Merge remote-tracking branch 'origin/dev' into jesserockz-2026-503

.github/PULL_REQUEST_TEMPLATE.md

@@ -6,6 +6,7 @@
 
 - [ ] Bugfix (non-breaking change which fixes an issue)
 - [ ] New feature (non-breaking change which adds functionality)
+- [ ] New developer-facing feature (adds functionality for component developers; no end-user configuration change)
 - [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected) — [policy](https://developers.esphome.io/contributing/code/#what-constitutes-a-c-breaking-change)
 - [ ] Developer breaking change (an API change that could break external components) — [policy](https://developers.esphome.io/contributing/code/#what-is-considered-public-c-api)
 - [ ] Undocumented C++ API change (removal or change of undocumented public methods that lambda users may depend on) — [policy](https://developers.esphome.io/contributing/code/#c-user-expectations)
@@ -20,6 +21,10 @@
 
 - esphome/esphome.io#<esphome.io PR number goes here>
 
+**Pull request in [developers.esphome.io](https://github.com/esphome/developers.esphome.io) with developer documentation (if applicable):**
+
+- esphome/developers.esphome.io#<developers.esphome.io PR number goes here>
+
 ## Test Environment
 
 - [ ] ESP32

.github/actions/cache-esp-idf/action.yml

@@ -3,8 +3,10 @@ description: >
   Resolve the pinned ESP-IDF version and cache the native ESP-IDF install
   (toolchains + source) at ~/.esphome-idf. Every job that installs ESP-IDF
   natively (clang-tidy for IDF/Arduino and the component test batches) shares
-  one cache, since the install is identical (ESPHOME_IDF_DEFAULT_TARGETS
-  defaults to "all", so all toolchains are present regardless of the chip).
+  one cache, since the install is identical: ESPHOME_IDF_DEFAULT_TARGETS
+  defaults to "all", and _get_configured_targets() in espidf/toolchain.py
+  skips per-variant narrowing whenever CI is set, so all toolchains are
+  present regardless of the chip a job builds.
   Callers must set env ESPHOME_ESP_IDF_PREFIX: ~/.esphome-idf and have the
   Python venv already restored.
 inputs:

.github/actions/restore-python/action.yml

@@ -17,7 +17,7 @@ runs:
   steps:
     - name: Set up Python ${{ inputs.python-version }}
       id: python
-      uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+      uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
       with:
         python-version: ${{ inputs.python-version }}
     - name: Restore Python virtual environment
@@ -32,7 +32,7 @@ runs:
       # detects the activated venv via ``VIRTUAL_ENV`` so the venv layout
       # downstream jobs rely on is preserved.
       if: steps.cache-venv.outputs.cache-hit != 'true'
-      uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
       with:
         enable-cache: true
         # Pull request saves land in per-PR scopes nothing else can

.github/scripts/auto-label-pr/constants.js

@@ -22,11 +22,13 @@ module.exports = {
     'has-tests',
     'needs-tests',
     'needs-docs',
+    'needs-developer-docs',
     'needs-codeowners',
     'too-big',
     'labeller-recheck',
     'bugfix',
     'new-feature',
+    'new-feature-developer',
     'breaking-change',
     'developer-breaking-change',
     'undocumented-api-change',
@@ -40,5 +42,17 @@ module.exports = {
     // Keep matching the old esphome-docs name during the transition period
     /https:\/\/github\.com\/esphome\/esphome-docs\/pull\/\d+/,
     /esphome\/esphome-docs#\d+/
+  ],
+
+  DEVELOPER_DOCS_PR_PATTERNS: [
+    /https:\/\/github\.com\/esphome\/developers\.esphome\.io\/pull\/\d+/,
+    /esphome\/developers\.esphome\.io#\d+/
+  ],
+
+  // Files whose developer-facing changes are documented via Python docstrings
+  // only - developers.esphome.io has no reference page for them yet, so PRs
+  // touching nothing but these files (and tests/) skip needs-developer-docs.
+  DEV_DOCS_EXEMPT_FILES: [
+    'esphome/config_validation.py'
   ]
 };

.github/scripts/auto-label-pr/detectors.js

@@ -1,4 +1,4 @@
-const { DOCS_PR_PATTERNS } = require('./constants');
+const { DOCS_PR_PATTERNS, DEVELOPER_DOCS_PR_PATTERNS, DEV_DOCS_EXEMPT_FILES } = require('./constants');
 const {
   COMPONENT_REGEX,
   detectComponents,
@@ -245,6 +245,7 @@ async function detectPRTemplateCheckboxes(context) {
   const checkboxPatterns = [
     { pattern: /- \[x\] Bugfix \(non-breaking change which fixes an issue\)/i, label: 'bugfix' },
     { pattern: /- \[x\] New feature \(non-breaking change which adds functionality\)/i, label: 'new-feature' },
+    { pattern: /- \[x\] New developer-facing feature \(adds functionality for component developers; no end-user configuration change\)/i, label: 'new-feature-developer' },
     { pattern: /- \[x\] Breaking change \(fix or feature that would cause existing functionality to not work as expected\)/i, label: 'breaking-change' },
     { pattern: /- \[x\] Developer breaking change \(an API change that could break external components\)/i, label: 'developer-breaking-change' },
     { pattern: /- \[x\] Undocumented C\+\+ API change \(removal or change of undocumented public methods that lambda users may depend on\)/i, label: 'undocumented-api-change' },
@@ -355,12 +356,14 @@ async function detectRequirements(allLabels, prFiles, context, hasYamlLoadable)
   const labels = new Set();
 
   // Check for missing tests
-  if ((allLabels.has('new-component') || allLabels.has('new-platform') || allLabels.has('new-feature')) && !allLabels.has('has-tests')) {
+  if ((allLabels.has('new-component') || allLabels.has('new-platform') || allLabels.has('new-feature') || allLabels.has('new-feature-developer')) && !allLabels.has('has-tests')) {
     labels.add('needs-tests');
   }
 
   // Check for missing docs.
-  // `new-feature` (PR-body checkbox) always counts. `new-component` / `new-platform`
+  // `new-feature` (PR-body checkbox) always counts. `new-feature-developer` is
+  // deliberately excluded here: its docs live on developers.esphome.io and are
+  // checked separately below. `new-component` / `new-platform`
   // only count when at least one newly added file defines a top-level CONFIG_SCHEMA,
   // i.e. the new component/platform is actually loadable from YAML.
   const docsEligible =
@@ -376,6 +379,22 @@ async function detectRequirements(allLabels, prFiles, context, hasYamlLoadable)
     }
   }
 
+  // Check for missing developer docs. `new-feature-developer` requires a
+  // developers.esphome.io PR link, unless every changed file outside tests/ is
+  // in DEV_DOCS_EXEMPT_FILES (core validators documented via docstrings only).
+  if (allLabels.has('new-feature-developer')) {
+    const prBody = context.payload.pull_request.body || '';
+    const nonTestFiles = prFiles
+      .map(file => file.filename)
+      .filter(file => !file.startsWith('tests/'));
+    const onlyExemptFiles = nonTestFiles.every(file => DEV_DOCS_EXEMPT_FILES.includes(file));
+    const hasDevDocsLink = DEVELOPER_DOCS_PR_PATTERNS.some(pattern => pattern.test(prBody));
+
+    if (!onlyExemptFiles && !hasDevDocsLink) {
+      labels.add('needs-developer-docs');
+    }
+  }
+
   // Check for missing CODEOWNERS
   if (allLabels.has('new-component')) {
     const codeownersModified = prFiles.some(file =>

.github/scripts/auto-label-pr/tests/detectors.test.js

@@ -1,6 +1,13 @@
 const { describe, it } = require('node:test');
 const assert = require('node:assert/strict');
-const { detectNewPlatforms, detectNewComponents, detectPRSize } = require('../detectors');
+const {
+  detectNewPlatforms,
+  detectNewComponents,
+  detectPRSize,
+  detectPRTemplateCheckboxes,
+  detectRequirements,
+} = require('../detectors');
+const { MANAGED_LABELS } = require('../constants');
 
 // Minimal GitHub API mock — only repos.getContent is called by detectNewPlatforms/detectNewComponents
 // to check for CONFIG_SCHEMA in newly added files.
@@ -146,6 +153,125 @@ describe('detectNewComponents', () => {
   });
 });
 
+// ---------------------------------------------------------------------------
+// detectPRTemplateCheckboxes
+// ---------------------------------------------------------------------------
+
+const NEW_FEATURE_LINE = '- [x] New feature (non-breaking change which adds functionality)';
+const DEV_FEATURE_LINE = '- [x] New developer-facing feature (adds functionality for component developers; no end-user configuration change)';
+const DEV_FEATURE_LINE_UNTICKED = '- [ ] New developer-facing feature (adds functionality for component developers; no end-user configuration change)';
+
+function makeBodyContext(body) {
+  return { payload: { pull_request: { body } } };
+}
+
+describe('detectPRTemplateCheckboxes', () => {
+  it('ticked developer-facing feature checkbox adds new-feature-developer only', async () => {
+    const labels = await detectPRTemplateCheckboxes(makeBodyContext(DEV_FEATURE_LINE));
+    assert.ok(labels.has('new-feature-developer'));
+    assert.ok(!labels.has('new-feature'));
+  });
+
+  it('unticked developer-facing feature checkbox adds no label', async () => {
+    const labels = await detectPRTemplateCheckboxes(makeBodyContext(DEV_FEATURE_LINE_UNTICKED));
+    assert.ok(!labels.has('new-feature-developer'));
+  });
+
+  it('ticked new feature checkbox does not add new-feature-developer', async () => {
+    const labels = await detectPRTemplateCheckboxes(makeBodyContext(NEW_FEATURE_LINE));
+    assert.ok(labels.has('new-feature'));
+    assert.ok(!labels.has('new-feature-developer'));
+  });
+});
+
+// ---------------------------------------------------------------------------
+// detectRequirements
+// ---------------------------------------------------------------------------
+
+describe('detectRequirements', () => {
+  // PR body without any docs-PR link.
+  const NO_DOCS_CONTEXT = makeBodyContext('Just a description, no docs link.');
+  const USER_DOCS_CONTEXT = makeBodyContext('Docs: esphome/esphome.io#1234');
+  const DEV_DOCS_CONTEXT = makeBodyContext('Docs: esphome/developers.esphome.io#1234');
+  const DEV_DOCS_URL_CONTEXT = makeBodyContext('Docs: https://github.com/esphome/developers.esphome.io/pull/1234');
+
+  // File sets: a normal source change vs. one confined to the exempt core validators.
+  const SOURCE_FILES = [
+    { filename: 'esphome/components/foo/foo.py' },
+    { filename: 'tests/components/foo/common.yaml' },
+  ];
+  const VALIDATOR_FILES = [
+    { filename: 'esphome/config_validation.py' },
+    { filename: 'tests/unit_tests/test_config_validation.py' },
+  ];
+
+  it('new-feature-developer without has-tests adds needs-tests but not needs-docs', async () => {
+    const labels = await detectRequirements(new Set(['new-feature-developer']), SOURCE_FILES, NO_DOCS_CONTEXT, false);
+    assert.ok(labels.has('needs-tests'));
+    assert.ok(!labels.has('needs-docs'));
+  });
+
+  it('new-feature-developer with has-tests does not add needs-tests', async () => {
+    const labels = await detectRequirements(new Set(['new-feature-developer', 'has-tests']), SOURCE_FILES, NO_DOCS_CONTEXT, false);
+    assert.ok(!labels.has('needs-tests'));
+  });
+
+  it('new-feature without a docs link still adds needs-docs', async () => {
+    const labels = await detectRequirements(new Set(['new-feature', 'has-tests']), [], NO_DOCS_CONTEXT, false);
+    assert.ok(labels.has('needs-docs'));
+  });
+
+  it('new-feature-developer without a developer docs link adds needs-developer-docs', async () => {
+    const labels = await detectRequirements(new Set(['new-feature-developer', 'has-tests']), SOURCE_FILES, NO_DOCS_CONTEXT, false);
+    assert.ok(labels.has('needs-developer-docs'));
+  });
+
+  it('a developers.esphome.io shorthand link satisfies needs-developer-docs', async () => {
+    const labels = await detectRequirements(new Set(['new-feature-developer', 'has-tests']), SOURCE_FILES, DEV_DOCS_CONTEXT, false);
+    assert.ok(!labels.has('needs-developer-docs'));
+  });
+
+  it('a developers.esphome.io URL link satisfies needs-developer-docs', async () => {
+    const labels = await detectRequirements(new Set(['new-feature-developer', 'has-tests']), SOURCE_FILES, DEV_DOCS_URL_CONTEXT, false);
+    assert.ok(!labels.has('needs-developer-docs'));
+  });
+
+  it('a user docs (esphome.io) link does not satisfy needs-developer-docs', async () => {
+    const labels = await detectRequirements(new Set(['new-feature-developer', 'has-tests']), SOURCE_FILES, USER_DOCS_CONTEXT, false);
+    assert.ok(labels.has('needs-developer-docs'));
+  });
+
+  it('a developer docs link does not satisfy needs-docs for new-feature', async () => {
+    const labels = await detectRequirements(new Set(['new-feature', 'has-tests']), [], DEV_DOCS_CONTEXT, false);
+    assert.ok(labels.has('needs-docs'));
+  });
+
+  it('changes confined to core validator files are exempt from needs-developer-docs', async () => {
+    const labels = await detectRequirements(new Set(['new-feature-developer', 'has-tests']), VALIDATOR_FILES, NO_DOCS_CONTEXT, false);
+    assert.ok(!labels.has('needs-developer-docs'));
+  });
+
+  it('validator changes mixed with other source files are not exempt', async () => {
+    const prFiles = [...VALIDATOR_FILES, { filename: 'esphome/components/foo/foo.py' }];
+    const labels = await detectRequirements(new Set(['new-feature-developer', 'has-tests']), prFiles, NO_DOCS_CONTEXT, false);
+    assert.ok(labels.has('needs-developer-docs'));
+  });
+});
+
+// ---------------------------------------------------------------------------
+// MANAGED_LABELS
+// ---------------------------------------------------------------------------
+
+describe('MANAGED_LABELS', () => {
+  it('includes new-feature-developer so the workflow syncs it', () => {
+    assert.ok(MANAGED_LABELS.includes('new-feature-developer'));
+  });
+
+  it('includes needs-developer-docs so the workflow syncs it', () => {
+    assert.ok(MANAGED_LABELS.includes('needs-developer-docs'));
+  });
+});
+
 // ---------------------------------------------------------------------------
 // detectPRSize
 // ---------------------------------------------------------------------------

.github/workflows/auto-label-pr.yml

@@ -24,7 +24,7 @@ jobs:
     if: github.event.pull_request.state == 'open' && (github.event.action != 'labeled' || github.event.sender.type != 'Bot')
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Generate a token
         id: generate-token

.github/workflows/ci-api-proto.yml

@@ -21,15 +21,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
       - name: Set up uv
         # ``--system`` (below) installs into the setup-python interpreter;
         # no venv is created or restored by this workflow.
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
           # Pull-request-only workflow: a save could never be shared and

.github/workflows/ci-docker.yml

@@ -61,9 +61,9 @@ jobs:
       tag: ${{ steps.tag.outputs.tag }}
       push: ${{ steps.tag.outputs.push }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
       - name: Set up Docker Buildx
@@ -71,11 +71,13 @@ jobs:
 
       - name: Determine tag and whether to push
         id: tag
+        env:
+          HEAD_REF: ${{ github.head_ref || github.ref_name }}
         run: |
           # Sanitize the branch name into a valid docker tag: replace invalid
           # characters, ensure the first character is valid (tags must start
           # with [A-Za-z0-9_]), and cap the length at 128 characters.
-          branch="${{ github.head_ref || github.ref_name }}"
+          branch="$HEAD_REF"
           tag="${branch//[^a-zA-Z0-9_.-]/-}"
           case "$tag" in
             [a-zA-Z0-9_]*) ;;
@@ -96,7 +98,7 @@ jobs:
 
       - name: Log in to the GitHub container registry
         if: steps.tag.outputs.push == 'true'
-        uses: docker/login-action@af1e73f918a031802d376d3c8bbc3fe56130a9b0 # v4.4.0
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -145,16 +147,16 @@ jobs:
           - "ha-addon"
           - "docker"
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0
 
       - name: Log in to the GitHub container registry
-        uses: docker/login-action@af1e73f918a031802d376d3c8bbc3fe56130a9b0 # v4.4.0
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -202,7 +204,7 @@ jobs:
           - nrf52
           - host
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Download image artifact
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:

.github/workflows/ci-github-scripts.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Run tests
         working-directory: .github/scripts/auto-label-pr

.github/workflows/ci-memory-impact-comment.yml

@@ -49,7 +49,7 @@ jobs:
 
       - name: Check out code from base repository
         if: steps.pr.outputs.skip != 'true'
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           # Always check out from the base repository (esphome/esphome), never from forks
           # Use the PR's target branch to ensure we run trusted code from the main repo

.github/workflows/ci.yml

@@ -28,13 +28,13 @@ jobs:
       cache-key: ${{ steps.cache-key.outputs.key }}
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Generate cache-key
         id: cache-key
         run: echo key="${{ hashFiles('requirements.txt', 'requirements_dev.txt', 'requirements_test.txt', '.pre-commit-config.yaml') }}" >> $GITHUB_OUTPUT
       - name: Set up Python ${{ env.DEFAULT_PYTHON }}
         id: python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore Python virtual environment
@@ -49,7 +49,7 @@ jobs:
         # detects the activated venv via ``VIRTUAL_ENV`` so downstream jobs
         # that ``. venv/bin/activate`` see an identical layout.
         if: steps.cache-venv.outputs.cache-hit != 'true'
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
           # Pull request saves land in per-PR scopes nothing else can
@@ -77,7 +77,7 @@ jobs:
     if: needs.determine-jobs.outputs.python-linters == 'true'
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -100,7 +100,7 @@ jobs:
     if: needs.determine-jobs.outputs.core-ci == 'true'
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -117,6 +117,7 @@ jobs:
           script/generate-esp32-boards.py --check
           script/generate-rp2-boards.py --check
           script/ci_check_duplicate_test_ids.py
+          script/ci_check_test_fixture_list_form.py
 
   import-time:
     name: Check import esphome.__main__ time
@@ -127,7 +128,7 @@ jobs:
     if: needs.determine-jobs.outputs.import-time == 'true'
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -155,17 +156,17 @@ jobs:
     if: needs.determine-jobs.outputs.device-builder == 'true'
     steps:
       - name: Check out esphome (this PR)
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           path: esphome
       - name: Check out esphome/device-builder
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: esphome/device-builder
           ref: main
           path: device-builder
       - name: Set up Python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.13"
       - name: Set up uv
@@ -174,7 +175,7 @@ jobs:
         # install step (order-of-magnitude faster on cold boots,
         # with its own wheel cache). actions/setup-python still
         # provides the interpreter.
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
           # Pull request saves land in per-PR scopes nothing else can
@@ -231,7 +232,7 @@ jobs:
     if: needs.determine-jobs.outputs.core-ci == 'true'
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Restore Python
         id: restore-python
         uses: ./.github/actions/restore-python
@@ -291,7 +292,7 @@ jobs:
       benchmarks: ${{ steps.determine.outputs.benchmarks }}
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           # Fetch enough history to find the merge base
           fetch-depth: 2
@@ -363,10 +364,28 @@ jobs:
         bucket: ${{ fromJson(needs.determine-jobs.outputs.integration-test-buckets) }}
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install ccache
+        # Speeds up the host compiles: tests in a bucket compile overlapping
+        # component sets, so later tests reuse earlier tests' objects.
+        run: |
+          sudo apt-get update -qq
+          sudo apt-get install -y --no-install-recommends ccache
+      - name: Restore ccache (restore-only)
+        # esphome stores the PlatformIO ccache under the machine-global cache
+        # dir (see _ccache_env() in esphome/platformio/toolchain.py). The
+        # bucket-name prefix prefers a same-bucket seed; the bare prefix falls
+        # back to any seed when the bucket layout differs from dev.
+        uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        with:
+          path: ~/.cache/esphome/platformio-ccache
+          key: integration-ccache-${{ matrix.bucket.name }}-${{ github.sha }}
+          restore-keys: |
+            integration-ccache-${{ matrix.bucket.name }}-
+            integration-ccache-
       - name: Set up Python 3.13
         id: python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.13"
       - name: Restore Python virtual environment
@@ -378,7 +397,7 @@ jobs:
       - name: Set up uv
         # Only needed on cache miss to populate the venv.
         if: steps.cache-venv.outputs.cache-hit != 'true'
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
           # Pull request saves land in per-PR scopes nothing else can
@@ -408,6 +427,18 @@ jobs:
           mapfile -t test_files < <(echo "$BUCKET_TESTS" | jq -r '.[]')
           echo "Bucket ${{ matrix.bucket.name }}: running ${#test_files[@]} integration tests"
           pytest -vv --no-cov --tb=native --durations=30 -n auto "${test_files[@]}"
+      - name: Print ccache statistics
+        # esphome stores the PlatformIO ccache under the machine-global cache
+        # dir (see _ccache_env() in esphome/platformio/toolchain.py).
+        run: CCACHE_DIR="$HOME/.cache/esphome/platformio-ccache" ccache -s
+      - name: Save ccache
+        # Pull request saves land in per-PR scopes nothing else can reuse;
+        # dev pushes seed the shared copy instead.
+        if: github.event_name != 'pull_request'
+        uses: actions/cache/save@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        with:
+          path: ~/.cache/esphome/platformio-ccache
+          key: integration-ccache-${{ matrix.bucket.name }}-${{ github.sha }}
 
   cpp-unit-tests:
     name: Run C++ unit tests
@@ -418,7 +449,7 @@ jobs:
     if: github.event_name == 'pull_request' && (needs.determine-jobs.outputs.cpp-unit-tests-run-all == 'true' || needs.determine-jobs.outputs.cpp-unit-tests-components != '[]')
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Restore Python
         uses: ./.github/actions/restore-python
@@ -447,7 +478,7 @@ jobs:
       (github.event_name == 'pull_request' && needs.determine-jobs.outputs.benchmarks == 'true')
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Restore Python
         uses: ./.github/actions/restore-python
@@ -465,7 +496,7 @@ jobs:
           echo "binary=$BINARY" >> $GITHUB_OUTPUT
 
       - name: Run CodSpeed benchmarks
-        uses: CodSpeedHQ/action@f99becdce5e5d51fd556489ebef684f4ecfd6286 # v4.18.5
+        uses: CodSpeedHQ/action@88472375d0a4572cf70a9f1fe3a4e0ab8da1b924 # v5.0.1
         with:
           run: |
             . venv/bin/activate
@@ -516,7 +547,7 @@ jobs:
 
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           # Need history for HEAD~1 to work for checking changed files
           fetch-depth: 2
@@ -614,7 +645,7 @@ jobs:
       ESPHOME_ESP_IDF_PREFIX: ~/.esphome-idf
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           # Need history for HEAD~1 to work for checking changed files
           fetch-depth: 2
@@ -694,7 +725,7 @@ jobs:
 
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           # Need history for HEAD~1 to work for checking changed files
           fetch-depth: 2
@@ -779,7 +810,7 @@ jobs:
 
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           # Need history for HEAD~1 to work for checking changed files
           fetch-depth: 2
@@ -866,7 +897,7 @@ jobs:
           sudo apt-get install -y --no-install-recommends libsdl2-dev ccache
 
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -1011,7 +1042,7 @@ jobs:
       TEST_COMPONENTS: ${{ needs.determine-jobs.outputs.esp32-platformio-components }}
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Restore Python
         uses: ./.github/actions/restore-python
@@ -1047,7 +1078,7 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/heads/dev'
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -1076,7 +1107,7 @@ jobs:
     if: github.event_name == 'pull_request' && !startsWith(github.base_ref, 'beta') && !startsWith(github.base_ref, 'release') && needs.determine-jobs.outputs.core-ci == 'true'
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -1115,7 +1146,7 @@ jobs:
       skip: ${{ steps.check-script.outputs.skip || steps.check-tests.outputs.skip }}
     steps:
       - name: Check out target branch
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: ${{ github.base_ref }}
 
@@ -1297,7 +1328,7 @@ jobs:
       flash_usage: ${{ steps.extract.outputs.flash_usage }}
     steps:
       - name: Check out PR branch
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -1366,7 +1397,7 @@ jobs:
       GH_TOKEN: ${{ github.token }}
     steps:
       - name: Check out code
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:

.github/workflows/codeowner-approved-label-update.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout base branch
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: ${{ github.event.pull_request.base.sha }}
           sparse-checkout: |

.github/workflows/codeowner-review-request.yml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout base branch
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           ref: ${{ github.event.pull_request.base.sha }}
 

.github/workflows/codeql.yml

@@ -52,11 +52,11 @@ jobs:
             # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
       - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@7188fc363630916deb702c7fdcf4e481b751f97a # v4.37.1
+        uses: github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4.37.3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
@@ -84,6 +84,6 @@ jobs:
           exit 1
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@7188fc363630916deb702c7fdcf4e481b751f97a # v4.37.1
+        uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4.37.3
         with:
           category: "/language:${{matrix.language}}"

.github/workflows/pr-title-check.yml

@@ -16,7 +16,7 @@ jobs:
     name: Validate PR title
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
         with:

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
       branch_build: ${{ steps.tag.outputs.branch_build }}
       deploy_env: ${{ steps.tag.outputs.deploy_env }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Get tag
         id: tag
         # yamllint disable rule:line-length
@@ -60,9 +60,9 @@ jobs:
       contents: read   # actions/checkout to build the sdist/wheel
       id-token: write  # OIDC token for PyPI Trusted Publishing (pypa/gh-action-pypi-publish)
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.x"
       - name: Build
@@ -70,7 +70,7 @@ jobs:
           pip3 install build
           python3 -m build
       - name: Publish
-        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # v1.14.0
+        uses: pypa/gh-action-pypi-publish@dc37677b2e1c63e2034f94d8a5b11f265b73ba33 # v1.14.2
         with:
           skip-existing: true
 
@@ -92,9 +92,9 @@ jobs:
             os: "ubuntu-24.04-arm"
 
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"
 
@@ -102,12 +102,12 @@ jobs:
         uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0
 
       - name: Log in to docker hub
-        uses: docker/login-action@af1e73f918a031802d376d3c8bbc3fe56130a9b0 # v4.4.0
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Log in to the GitHub container registry
-        uses: docker/login-action@af1e73f918a031802d376d3c8bbc3fe56130a9b0 # v4.4.0
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -168,7 +168,7 @@ jobs:
           - ghcr
           - dockerhub
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Download digests
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
@@ -182,13 +182,13 @@ jobs:
 
       - name: Log in to docker hub
         if: matrix.registry == 'dockerhub'
-        uses: docker/login-action@af1e73f918a031802d376d3c8bbc3fe56130a9b0 # v4.4.0
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Log in to the GitHub container registry
         if: matrix.registry == 'ghcr'
-        uses: docker/login-action@af1e73f918a031802d376d3c8bbc3fe56130a9b0 # v4.4.0
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}

.github/workflows/stale.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Stale
-        uses: actions/stale@1e223db275d687790206a7acac4d1a11bd6fe629 # v10.4.0
+        uses: actions/stale@4391f3da665fdf50b6810c1a66712fb9ba21aa93 # v11.0.0
         with:
           debug-only: ${{ github.ref != 'refs/heads/dev' }} # Dry-run when not run on dev branch
           remove-stale-when-updated: true

.github/workflows/status-check-labels.yml

@@ -5,7 +5,7 @@ on:
     types: [opened, reopened, labeled, unlabeled, synchronize]
 
 permissions:
-  pull-requests: read  # issues.listLabelsOnIssue to detect blocking labels (needs-docs, merge-after-release, chained-pr)
+  pull-requests: read  # issues.listLabelsOnIssue to detect blocking labels (needs-docs, needs-developer-docs, merge-after-release, chained-pr)
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
@@ -20,7 +20,7 @@ jobs:
         uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
         with:
           script: |
-            const blockingLabels = ['needs-docs', 'merge-after-release', 'chained-pr'];
+            const blockingLabels = ['needs-docs', 'needs-developer-docs', 'merge-after-release', 'chained-pr'];
             const { data: labels } = await github.rest.issues.listLabelsOnIssue({
               owner: context.repo.owner,
               repo: context.repo.repo,

.github/workflows/sync-device-classes.yml

@@ -28,16 +28,16 @@ jobs:
           permission-pull-requests: write  # pulls.create / pulls.update to open or refresh the sync PR
 
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Checkout Home Assistant
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: home-assistant/core
           path: lib/home-assistant
 
       - name: Setup Python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.14"
 
@@ -47,7 +47,7 @@ jobs:
         # setup-python interpreter so subsequent ``pre-commit`` /
         # ``script/run-in-env.py`` steps find the deps without a
         # ``uv run`` prefix.
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
           # Pin uv version so the action does not have to fetch the
@@ -96,8 +96,8 @@ jobs:
         uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
         with:
           commit-message: "Synchronise Device Classes from Home Assistant"
-          committer: esphomebot <esphome@openhomefoundation.org>
-          author: esphomebot <esphome@openhomefoundation.org>
+          committer: esphome[bot] <115708604+esphome[bot]@users.noreply.github.com>
+          author: esphome[bot] <115708604+esphome[bot]@users.noreply.github.com>
           branch: sync/device-classes
           delete-branch: true
           title: "Synchronise Device Classes from Home Assistant"

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ ci:
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.15.15
+    rev: v0.16.0
     hooks:
       # Run the linter.
       - id: ruff

AGENTS.md

@@ -191,11 +191,14 @@ This document provides essential context for AI models interacting with this pro
         my_component_ns = cg.esphome_ns.namespace("my_component")
         MyComponent = my_component_ns.class_("MyComponent", cg.Component)
 
-        CONFIG_SCHEMA = cv.Schema({
-            cv.GenerateID(): cv.declare_id(MyComponent),
-            cv.Required(CONF_KEY): cv.string,
-            cv.Optional(CONF_PARAM, default=42): cv.int_,
-        }).extend(cv.COMPONENT_SCHEMA)
+        CONFIG_SCHEMA = cv.Schema(
+            {
+                cv.GenerateID(): cv.declare_id(MyComponent),
+                cv.Required(CONF_KEY): cv.string,
+                cv.Optional(CONF_PARAM, default=42): cv.int_,
+            }
+        ).extend(cv.COMPONENT_SCHEMA)
+
 
         async def to_code(config):
             var = cg.new_Pvariable(config[CONF_ID])
@@ -229,7 +232,12 @@ This document provides essential context for AI models interacting with this pro
         - **Sensor:**
           ```python
           from esphome.components import sensor
-          CONFIG_SCHEMA = sensor.sensor_schema(MySensor).extend(cv.polling_component_schema("60s"))
+
+          CONFIG_SCHEMA = sensor.sensor_schema(MySensor).extend(
+              cv.polling_component_schema("60s")
+          )
+
+
           async def to_code(config):
               var = await sensor.new_sensor(config)
               await cg.register_component(var, config)
@@ -238,7 +246,10 @@ This document provides essential context for AI models interacting with this pro
         - **Binary Sensor:**
           ```python
           from esphome.components import binary_sensor
-          CONFIG_SCHEMA = binary_sensor.binary_sensor_schema().extend({ ... })
+
+          CONFIG_SCHEMA = binary_sensor.binary_sensor_schema().extend({...})
+
+
           async def to_code(config):
               var = await binary_sensor.new_binary_sensor(config)
           ```
@@ -246,7 +257,10 @@ This document provides essential context for AI models interacting with this pro
         - **Switch:**
           ```python
           from esphome.components import switch
-          CONFIG_SCHEMA = switch.switch_schema().extend({ ... })
+
+          CONFIG_SCHEMA = switch.switch_schema().extend({...})
+
+
           async def to_code(config):
               var = await switch.new_switch(config)
           ```
@@ -263,10 +277,13 @@ This document provides essential context for AI models interacting with this pro
         ```python
         from esphome import automation
 
-        CONFIG_SCHEMA = cv.Schema({
-            cv.GenerateID(): cv.declare_id(MyComponent),
-            cv.Optional(CONF_ON_STATE): automation.validate_automation({}),
-        }).extend(cv.COMPONENT_SCHEMA)
+        CONFIG_SCHEMA = cv.Schema(
+            {
+                cv.GenerateID(): cv.declare_id(MyComponent),
+                cv.Optional(CONF_ON_STATE): automation.validate_automation({}),
+            }
+        ).extend(cv.COMPONENT_SCHEMA)
+
 
         async def to_code(config):
             var = cg.new_Pvariable(config[CONF_ID])
@@ -316,11 +333,14 @@ This document provides essential context for AI models interacting with this pro
         ```python
         TurnOnTrigger = my_ns.class_("TurnOnTrigger", automation.Trigger.template())
 
-        CONFIG_SCHEMA = cv.Schema({
-            cv.Optional(CONF_ON_TURN_ON): automation.validate_automation(
-                {cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(TurnOnTrigger)}
-            ),
-        })
+        CONFIG_SCHEMA = cv.Schema(
+            {
+                cv.Optional(CONF_ON_TURN_ON): automation.validate_automation(
+                    {cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(TurnOnTrigger)}
+                ),
+            }
+        )
+
 
         async def to_code(config):
             for conf in config.get(CONF_ON_TURN_ON, []):
@@ -368,7 +388,10 @@ This document provides essential context for AI models interacting with this pro
         ```
         Register with `@automation.register_condition("my_component.is_active", MyCondition, schema)`.
 
+*   **Type Hints:** Type-hint all function signatures, including test functions and config validators (e.g. `def validate_x(config: ConfigType) -> ConfigType:`, `def test_x() -> None:`). Import `ConfigType` from `esphome.types`.
+
 *   **Configuration Validation:**
+    *   **Reuse existing validators:** Before writing a custom validator, check for an existing one in `config_validation.py` and compose it in `cv.All(...)` rather than duplicating logic across components. For example, rename a config key with `cv.rename_key(CONF_OLD, CONF_NEW, removed_in="2026.6.0")`, and reject mutually-exclusive keys with `cv.has_at_most_one_key(...)` / `cv.has_exactly_one_key(...)`. See how `api` composes `cv.has_exactly_one_key` + `cv.rename_key`.
     *   **Common Validators:** `cv.int_`, `cv.float_`, `cv.string`, `cv.boolean`, `cv.int_range(min=0, max=100)`, `cv.positive_int`, `cv.percentage`.
     *   **Complex Validation:** `cv.All(cv.string, cv.Length(min=1, max=50))`, `cv.Any(cv.int_, cv.string)`.
     *   **Platform-Specific:** `cv.only_on(["esp32", "esp8266"])`, `esp32.only_on_variant(...)`, `cv.only_on_esp32`, `cv.only_on_esp8266`, `cv.only_on_rp2040`.
@@ -381,6 +404,7 @@ This document provides essential context for AI models interacting with this pro
          .extend(i2c.i2c_device_schema(0x48))
          .extend(spi.spi_device_schema(cs_pin_required=True))
         ```
+    *   **Constants:** `esphome/const.py` is frozen — do not add new `CONF_` constants there. Define a component-local constant in the component's own `.py` (as with `CONF_PARAM` above); for a constant shared by multiple components, add it to `esphome/components/const/__init__.py`. CI (`lint_constants_usage`) fails if the same constant is defined in three or more component files. Constants used in core files (i.e. those not under `esphome/components`) may be added to `esphome/const.py` but will require adjustment to the CI validation check.
 
 ## 5. Key Files & Entrypoints
 
@@ -471,7 +495,7 @@ This document provides essential context for AI models interacting with this pro
     3.  **Test:** Create component tests for all supported platforms and run the full test suite locally.
     4.  **Lint:** Run `pre-commit` to ensure code is compliant.
     5.  **Commit:** Commit your changes. There is no strict format for commit messages.
-    6.  **Pull Request:** Submit a PR against the `dev` branch. The Pull Request title should have a prefix of the component being worked on (e.g., `[display] Fix bug`, `[abc123] Add new component`). Update documentation, examples, and add `CODEOWNERS` entries as needed. Pull requests should always be made using the `.github/PULL_REQUEST_TEMPLATE.md` template - fill out all sections completely without removing any parts of the template.
+    6.  **Pull Request:** Submit a PR against the `dev` branch. The Pull Request title must start with a `[tag]` prefix. For component work, use the component name (e.g., `[display] Fix bug`, `[abc123] Add new component`); for changes to shared/core code that isn't tied to a single component, use `[core]` (e.g., `[core] Add validator`). Update documentation, examples, and add `CODEOWNERS` entries as needed. Pull requests should always be made using the `.github/PULL_REQUEST_TEMPLATE.md` template - fill out all sections completely without removing any parts of the template.
 
 *   **Documentation Contributions:**
     *   Documentation is hosted in the separate `esphome/esphome.io` repository.
@@ -617,6 +641,7 @@ This document provides essential context for AI models interacting with this pro
         _component_state = []
         _use_feature = None
 
+
         def enable_feature():
             global _use_feature
             _use_feature = True
@@ -636,20 +661,24 @@ This document provides essential context for AI models interacting with this pro
 
         DOMAIN = "my_component"
 
+
         @dataclass
         class MyComponentData:
             feature_enabled: bool = False
             item_count: int = 0
             items: list[str] = field(default_factory=list)
 
+
         def _get_data() -> MyComponentData:
             if DOMAIN not in CORE.data:
                 CORE.data[DOMAIN] = MyComponentData()
             return CORE.data[DOMAIN]
 
+
         def request_feature() -> None:
             _get_data().feature_enabled = True
 
+
         def add_item(item: str) -> None:
             _get_data().items.append(item)
         ```
@@ -704,10 +733,22 @@ This document provides essential context for AI models interacting with this pro
     ```
 
 *   **Deprecation Pattern (Python):**
+    For a renamed config key, use the shared `cv.rename_key` validator with `removed_in` (and `component` for context) — it warns and auto-migrates:
+    ```python
+    CONFIG_SCHEMA = cv.All(
+        cv.rename_key(
+            CONF_OLD_KEY, CONF_NEW_KEY, removed_in="2026.6.0", component="my_component"
+        ),
+        cv.Schema({ ... }),
+    )
+    ```
+    For other deprecations, warn manually during validation:
     ```python
     # Remove before 2026.6.0
     if CONF_OLD_KEY in config:
-        _LOGGER.warning(f"'{CONF_OLD_KEY}' deprecated, use '{CONF_NEW_KEY}'. Removed in 2026.6.0")
+        _LOGGER.warning(
+            f"'{CONF_OLD_KEY}' deprecated, use '{CONF_NEW_KEY}'. Removed in 2026.6.0"
+        )
         config[CONF_NEW_KEY] = config.pop(CONF_OLD_KEY)  # Auto-migrate
     ```
 ## 9. English Language

CODEOWNERS

@@ -69,11 +69,14 @@ esphome/components/bh1750/* @OttoWinter
 esphome/components/bh1900nux/* @B48D81EFCC
 esphome/components/binary_sensor/* @esphome/core
 esphome/components/bk72xx/* @kuba2k2
+esphome/components/bk72xx_ble/* @Bl00d-B0b
+esphome/components/bk72xx_ble_tracker/* @Bl00d-B0b
 esphome/components/bl0906/* @athom-tech @jesserockz @tarontop
 esphome/components/bl0939/* @ziceva
 esphome/components/bl0940/* @dan-s-github @tobias-
 esphome/components/bl0942/* @dbuezas @dwmw2
 esphome/components/ble_client/* @buxtronix @clydebarrow
+esphome/components/ble_device_base/* @Bl00d-B0b
 esphome/components/ble_nus/* @tomaszduda23
 esphome/components/bluetooth_proxy/* @bdraco @jesserockz
 esphome/components/bm8563/* @abmantis

docker/Dockerfile

@@ -22,7 +22,7 @@ RUN \
     -r /requirements.txt
 
 # Install the ESPHome Device Builder dashboard.
-RUN uv pip install --no-cache-dir esphome-device-builder==1.6.8
+RUN uv pip install --no-cache-dir esphome-device-builder==1.7.0
 
 RUN \
     platformio settings set enable_telemetry No \

esphome/__main__.py

@@ -16,14 +16,10 @@ import sys
 import time
 from typing import Protocol
 
-import argcomplete
-
 # Note: Do not import modules from esphome.components here, as this would
 # cause them to be loaded before external components are processed, resulting
 # in the built-in version being used instead of the external component one.
 from esphome import const
-import esphome.codegen as cg
-from esphome.config import iter_component_configs, read_config, strip_default_ids
 from esphome.const import (
     ALLOWED_NAME_CHARS,
     ARGUMENT_HELP_DEVICE,
@@ -704,6 +700,8 @@ def run_miniterm(config: ConfigType, port: str, args) -> int:
 
 
 def _wrap_to_code(name, comp, yaml_util):
+    import esphome.codegen as cg
+
     coro = coroutine(comp.to_code)
 
     @functools.wraps(comp.to_code)
@@ -739,6 +737,7 @@ def write_cpp(config: ConfigType) -> int:
 
 def generate_cpp_contents(config: ConfigType) -> None:
     from esphome import yaml_util
+    from esphome.config import iter_component_configs
 
     _LOGGER.info("Generating C++ source...")
 
@@ -776,6 +775,13 @@ def compile_program(args: ArgsProtocol, config: ConfigType) -> int:
 
         check_placeholder_credentials(config)
 
+    # Keep this here, NOT in codegen: config-hash and --only-generate must keep
+    # working on machines that cannot run the toolchain.
+    if CORE.is_esp8266:
+        from esphome.components.esp8266 import check_rosetta
+
+        check_rosetta()
+
     # NOTE: "Build path:" format is parsed by script/ci_memory_impact_extract.py
     # If you change this format, update the regex in that script as well
     _LOGGER.info("Compiling app... Build path: %s", CORE.build_path)
@@ -1457,6 +1463,7 @@ def command_wizard(args: ArgsProtocol) -> int | None:
 
 def command_config(args: ArgsProtocol, config: ConfigType) -> int | None:
     from esphome import yaml_util
+    from esphome.config import strip_default_ids
 
     if getattr(args, "no_defaults", False):
         user_config = getattr(config, "user_config", None)
@@ -1510,10 +1517,18 @@ def _redact_with_legacy_fallback(output: str) -> str:
         m = _LEGACY_REDACTION_RE.search(line)
         if m is None:
             continue
+        key = m.group("key")
         if not in_substitutions:
-            unmarked.add(m.group("key"))
+            # Public keys (e.g. wireguard's peer_public_key) are not secret;
+            # redacting them and telling maintainers to mark them cv.sensitive
+            # would be wrong on both counts. Substitution keys are user-named
+            # with no schema behind them, so anything secret-shaped there
+            # (public or not) stays conservatively redacted.
+            if "public" in key.split("_"):
+                continue
+            unmarked.add(key)
         lines[i] = (
-            f"{line[: m.start()]}{m.group('key')}: "
+            f"{line[: m.start()]}{key}: "
             f"\\033[8m{m.group('val')}\\033[28m{line[m.end() :]}"
         )
     output = "\n".join(lines)
@@ -2483,7 +2498,12 @@ def parse_args(argv):
     # a deprecation warning).
     arguments = argv[1:]
 
-    argcomplete.autocomplete(parser)
+    # argcomplete only does anything when the shell-completion machinery
+    # invokes us with _ARGCOMPLETE set; skip the import otherwise.
+    if "_ARGCOMPLETE" in os.environ:
+        import argcomplete
+
+        argcomplete.autocomplete(parser)
 
     if len(arguments) > 0 and arguments[0] in SIMPLE_CONFIG_ACTIONS:
         args, unknown_args = parser.parse_known_args(arguments)
@@ -2582,6 +2602,8 @@ def run_esphome(argv):
             )
 
     if config is None:
+        from esphome.config import read_config
+
         config = read_config(
             command_line_substitutions,
             skip_external_update=skip_external,

esphome/build_gen/espidf.py

@@ -210,15 +210,27 @@ def get_component_cmakelists() -> str:
 if(CMAKE_SCRIPT_MODE_FILE)
     file(GLOB_RECURSE app_sources
         "${{CMAKE_CURRENT_SOURCE_DIR}}/*.cpp"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/*.cc"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/*.cxx"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/*.c++"
         "${{CMAKE_CURRENT_SOURCE_DIR}}/*.c"
         "${{CMAKE_CURRENT_SOURCE_DIR}}/esphome/*.cpp"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/esphome/*.cc"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/esphome/*.cxx"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/esphome/*.c++"
         "${{CMAKE_CURRENT_SOURCE_DIR}}/esphome/*.c"
     )
 else()
     file(GLOB_RECURSE app_sources CONFIGURE_DEPENDS
         "${{CMAKE_CURRENT_SOURCE_DIR}}/*.cpp"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/*.cc"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/*.cxx"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/*.c++"
         "${{CMAKE_CURRENT_SOURCE_DIR}}/*.c"
         "${{CMAKE_CURRENT_SOURCE_DIR}}/esphome/*.cpp"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/esphome/*.cc"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/esphome/*.cxx"
+        "${{CMAKE_CURRENT_SOURCE_DIR}}/esphome/*.c++"
         "${{CMAKE_CURRENT_SOURCE_DIR}}/esphome/*.c"
     )
 endif()

esphome/bundle.py

@@ -12,7 +12,7 @@ from enum import StrEnum
 import io
 import json
 import logging
-from pathlib import Path
+from pathlib import Path, PurePath, PurePosixPath, PureWindowsPath
 import re
 import shutil
 import tarfile
@@ -51,6 +51,7 @@ class ManifestKey(StrEnum):
     MANIFEST_VERSION = "manifest_version"
     ESPHOME_VERSION = "esphome_version"
     CONFIG_FILENAME = "config_filename"
+    CONFIG_DIR = "config_dir"
     FILES = "files"
     HAS_SECRETS = "has_secrets"
 
@@ -127,6 +128,12 @@ class BundleData:
     """Files components asked to include, keyed under DOMAIN in CORE.data."""
 
     extra_files: list[Path] = field(default_factory=list)
+    # Original config dir parsed from an extracted bundle's manifest.json,
+    # kept in the path flavor of the machine the bundle was created on.
+    # The checked flag makes the manifest lookup happen at most once per run;
+    # CORE.data is cleared between runs.
+    original_config_dir: PurePath | None = None
+    original_config_dir_checked: bool = False
 
 
 def _get_data() -> BundleData:
@@ -148,6 +155,94 @@ def add_bundle_file(path: Path) -> None:
     _get_data().extra_files.append(CORE.relative_config_path(path))
 
 
+# Windows paths start with a drive letter or contain backslashes; POSIX
+# paths do neither in practice, so this is how the flavor of a recorded
+# path string is recognized on any host.
+_WINDOWS_DRIVE_RE = re.compile(r"^[A-Za-z]:")
+
+
+def _path_flavor(value: str) -> type[PurePath]:
+    """Pick the pure path class matching the flavor ``value`` was written in."""
+    if "\\" in value or _WINDOWS_DRIVE_RE.match(value):
+        return PureWindowsPath
+    return PurePosixPath
+
+
+def _load_original_config_dir() -> PurePath | None:
+    """Read the original config dir from an extracted bundle's manifest.
+
+    Returns None when the current config dir is not an extracted bundle or
+    the manifest does not record the original config dir.
+    """
+    manifest_path = CORE.config_dir / MANIFEST_FILENAME
+    try:
+        manifest = json.loads(manifest_path.read_text(encoding="utf-8"))
+    except FileNotFoundError:
+        # The common case: this config dir is not an extracted bundle.
+        return None
+    except (OSError, UnicodeDecodeError, json.JSONDecodeError) as err:
+        # A manifest.json is present but unreadable or malformed. Say so
+        # instead of letting it look identical to "not a bundle".
+        _LOGGER.warning("Bundle: ignoring unreadable %s: %s", manifest_path, err)
+        return None
+    if not isinstance(manifest, dict):
+        return None
+    # A manifest.json in the config dir does not have to be ours. Only trust
+    # one that looks like a bundle manifest for exactly this config file.
+    version = manifest.get(ManifestKey.MANIFEST_VERSION)
+    if not isinstance(version, int) or version < 1:
+        return None
+    if manifest.get(ManifestKey.CONFIG_FILENAME) != CORE.config_path.name:
+        return None
+    config_dir = manifest.get(ManifestKey.CONFIG_DIR)
+    if not isinstance(config_dir, str) or not config_dir:
+        return None
+    return _path_flavor(config_dir)(config_dir)
+
+
+def remap_bundle_path(value: str) -> Path | None:
+    """Remap an absolute path from the machine a bundle was created on.
+
+    A bundled config may reference files by absolute path. The referenced
+    files ship inside the bundle at their config-relative locations, but the
+    YAML text is copied verbatim, so after extraction on another machine the
+    absolute reference points at a path that only existed on the creating
+    machine. The bundle manifest records that machine's config dir; when
+    ``value`` names a path that lived under it, return the corresponding
+    file next to the extracted config.
+
+    ``value`` is the raw path string from the config. It is parsed with the
+    original machine's path flavor, so a bundle created on Windows remaps on
+    a POSIX build server and vice versa.
+
+    Returns None when not compiling an extracted bundle, when ``value`` was
+    not under the original config dir, or when the bundle does not contain
+    the file.
+    """
+    data = _get_data()
+    if not data.original_config_dir_checked:
+        data.original_config_dir_checked = True
+        data.original_config_dir = _load_original_config_dir()
+    original_dir = data.original_config_dir
+    if original_dir is None:
+        return None
+    path = type(original_dir)(value)
+    if not path.is_absolute():
+        return None
+    try:
+        rel = path.relative_to(original_dir)
+    except ValueError:
+        return None
+    # relative_to is lexical, so ".." segments survive it. Refuse them: the
+    # remapped file must land strictly inside the extracted config tree.
+    if ".." in rel.parts:
+        return None
+    remapped = CORE.relative_config_path(Path(*rel.parts))
+    if not remapped.exists():
+        return None
+    return remapped
+
+
 @dataclass
 class BundleFile:
     """A file to include in the bundle."""
@@ -174,6 +269,7 @@ class BundleManifest:
     config_filename: str
     files: list[str]
     has_secrets: bool
+    config_dir: str | None = None
 
 
 class ConfigBundleCreator:
@@ -438,6 +534,7 @@ class ConfigBundleCreator:
             ManifestKey.MANIFEST_VERSION: CURRENT_MANIFEST_VERSION,
             ManifestKey.ESPHOME_VERSION: const.__version__,
             ManifestKey.CONFIG_FILENAME: self._config_path.name,
+            ManifestKey.CONFIG_DIR: str(self._config_dir),
             ManifestKey.FILES: [f.path for f in files],
             ManifestKey.HAS_SECRETS: has_secrets,
         }
@@ -522,12 +619,14 @@ def read_bundle_manifest(bundle_path: Path) -> BundleManifest:
     except tarfile.TarError as err:
         raise EsphomeError(f"Failed to read bundle: {err}") from err
 
+    config_dir = manifest.get(ManifestKey.CONFIG_DIR)
     return BundleManifest(
         manifest_version=manifest[ManifestKey.MANIFEST_VERSION],
         esphome_version=manifest.get(ManifestKey.ESPHOME_VERSION, "unknown"),
         config_filename=manifest[ManifestKey.CONFIG_FILENAME],
         files=manifest.get(ManifestKey.FILES, []),
         has_secrets=manifest.get(ManifestKey.HAS_SECRETS, False),
+        config_dir=config_dir if isinstance(config_dir, str) else None,
     )
 
 

esphome/codegen.py

@@ -53,6 +53,7 @@ from esphome.cpp_helpers import (  # noqa: F401
     past_safe_mode,
     register_component,
     register_parented,
+    set_setup_priority,
 )
 from esphome.cpp_types import (  # noqa: F401
     NAN,

esphome/components/api/api_connection.cpp

@@ -794,6 +794,7 @@ uint16_t APIConnection::try_send_climate_info(EntityBase *entity, APIConnection
   msg.supports_action = traits.has_feature_flags(climate::CLIMATE_SUPPORTS_ACTION);
   // Current feature flags and other supported parameters
   msg.feature_flags = traits.get_feature_flags();
+  msg.temperature_unit = static_cast<enums::TemperatureUnit>(traits.get_temperature_unit());
   msg.supported_modes = &traits.get_supported_modes();
   msg.visual_min_temperature = traits.get_visual_min_temperature();
   msg.visual_max_temperature = traits.get_visual_max_temperature();
@@ -1328,7 +1329,8 @@ void APIConnection::on_voice_assistant_announce_request(const VoiceAssistantAnno
   }
 }
 
-bool APIConnection::send_voice_assistant_get_configuration_response_(const VoiceAssistantConfigurationRequest &msg) {
+bool APIConnection::send_voice_assistant_get_configuration_response_(
+    const VoiceAssistantConfigurationRequest & /*msg*/) {
   VoiceAssistantConfigurationResponse resp;
   if (!this->check_voice_assistant_api_connection_()) {
     // send_message encodes synchronously, so this stack local outlives the encode
@@ -1348,22 +1350,6 @@ bool APIConnection::send_voice_assistant_get_configuration_response_(const Voice
     }
   }
 
-  // Filter external wake words
-  for (auto &wake_word : msg.external_wake_words) {
-    if (wake_word.model_type != "micro") {
-      // microWakeWord only
-      continue;
-    }
-
-    resp.available_wake_words.emplace_back();
-    auto &resp_wake_word = resp.available_wake_words.back();
-    resp_wake_word.id = StringRef(wake_word.id);
-    resp_wake_word.wake_word = StringRef(wake_word.wake_word);
-    for (const auto &lang : wake_word.trained_languages) {
-      resp_wake_word.trained_languages.push_back(lang);
-    }
-  }
-
   resp.active_wake_words = &config.active_wake_words;
   resp.max_active_wake_words = config.max_active_wake_words;
   return this->send_message(resp);
@@ -1468,6 +1454,7 @@ uint16_t APIConnection::try_send_water_heater_info(EntityBase *entity, APIConnec
   msg.target_temperature_step = traits.get_target_temperature_step();
   msg.supported_modes = &traits.get_supported_modes();
   msg.supported_features = traits.get_feature_flags();
+  msg.temperature_unit = static_cast<enums::TemperatureUnit>(traits.get_temperature_unit());
   return fill_and_encode_entity_info(wh, msg, conn, remaining_size);
 }
 

esphome/components/bk72xx_ble/__init__.py

@@ -0,0 +1,94 @@
+"""BK72xx BLE — BLE controller support for the BLE-5.x LibreTiny Beken chips.
+
+The platform analog of esp32_ble / rp2040_ble: owns the Beken BDK BLE stack
+bring-up and the controller BLE address. Consumers (bk72xx_ble_tracker) build
+on this component and contain no SDK calls of their own.
+
+Supported SoCs (BLE 5.x): BK7231N/BK7236 (BLE 5.1), BK7238/BK7252N/BK7253
+(BLE 5.2), and any future BLE-5.x SoC. Capability is detected at compile time,
+not by a chip list: the C++ guards on `__has_include("ble_api.h")` — the Beken
+BLE 5.x public API header, which the LibreTiny beken-72xx builder ships only
+for BLE-5.x SoCs. BK7231T/BK7251/BK7271 (BLE 4.2) and BK7231Q (no BLE) fail
+with a clear #error.
+
+No framework patch is needed: the LibreTiny beken-72xx builder already compiles
+and links the BLE 5.x stack (CFG_SUPPORT_BLE=1 + CFG_BLE_VERSION=BLE_VERSION_5_x;
+prebuilt libble_<chip>.a per SoC). This component only calls into it via the
+public ble_api.h.
+"""
+
+import logging
+
+import esphome.codegen as cg
+from esphome.components import libretiny
+from esphome.components.libretiny.const import FAMILY_BK7231N, FAMILY_BK7238
+import esphome.config_validation as cv
+from esphome.const import CONF_ENABLE_ON_BOOT, CONF_ID
+from esphome.types import ConfigType
+
+DEPENDENCIES = ["bk72xx"]
+CODEOWNERS = ["@Bl00d-B0b"]
+
+_LOGGER = logging.getLogger(__name__)
+
+bk72xx_ble_ns = cg.esphome_ns.namespace("bk72xx_ble")
+BK72xxBLE = bk72xx_ble_ns.class_("BK72xxBLE", cg.Component)
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(BK72xxBLE),
+        # Default off: on the single-core BK72xx, bringing the BLE stack up during
+        # boot competes with the WiFi connection handshake. Consumers enable the
+        # stack lazily on first use (e.g. the tracker's first scan start).
+        cv.Optional(CONF_ENABLE_ON_BOOT, default=False): cv.boolean,
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+
+async def to_code(config: ConfigType) -> None:
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+
+    cg.add(var.set_enable_on_boot(config[CONF_ENABLE_ON_BOOT]))
+
+    # Enable the BLE stack in the build (the '#h' maps to sys_config.h; the value
+    # is a list). ESPHome's libretiny platform normally appends CFG_SUPPORT_BLE=0
+    # on BK7231N/BK7238 (saves ~21KB RAM/~200KB Flash when BLE is unused) to this
+    # SAME key — and add_platformio_option appends list values, it never replaces.
+    # The platform therefore skips its disable when this component is configured,
+    # so this =1 is the single CFG_SUPPORT_BLE define emitted.
+    cg.add_platformio_option("custom_options.sys_config#h", ["CFG_SUPPORT_BLE=1"])
+
+    # Pin the Beken BDK release the BLE 5.x stack is validated against. The
+    # bundled 3.0.33 has an older BLE header/library layout — and with
+    # CFG_SUPPORT_BLE=1 the SDK runs its BLE init unconditionally during boot
+    # (the reason the libretiny platform sets =0 when BLE is unused), so a
+    # mismatched BDK can crash the device before WiFi comes up regardless of
+    # enable_on_boot. Pinning here makes a plain config build against the
+    # validated BDK without any manual platformio_options.
+    _LOGGER.warning(
+        "bk72xx_ble builds with beken-bdk 3.0.78 instead of the platform's bundled "
+        "default: the default's older BLE layout can crash the device at boot when "
+        "BLE is compiled in"
+    )
+    cg.add_platformio_option("custom_versions.beken-bdk", "3.0.78")
+
+    # The BDK exposes the controller's BLE address as `common_default_bdaddr` on
+    # BK7231N, but NOT on BK7238 (its BLE stack has no such symbol; the address is
+    # derived from the WiFi MAC instead — the BDK's own fallback). Tell the C++
+    # which path is available so it doesn't reference a missing symbol.
+    family = libretiny.get_libretiny_family()
+    if family == FAMILY_BK7231N:
+        cg.add_define("BK72XX_BLE_HAS_COMMON_BDADDR")
+    elif family == FAMILY_BK7238:
+        # ESPHome's LibreTiny disables BLE on BK7238 because the SDK can hang at
+        # WiFi STA startup when BLE init runs. This component re-enables BLE, so
+        # warn loudly: BK7238 is accepted but not hardware-verified and may be
+        # WiFi-unstable with BLE on.
+        _LOGGER.warning(
+            "bk72xx_ble on BK7238: enabling BLE is known to risk a WiFi STA startup "
+            "hang on this family and is not yet hardware-verified. Expect possible "
+            "instability."
+        )
+
+    cg.add_define("USE_BK72XX_BLE")

esphome/components/bk72xx_ble/bk72xx_ble.cpp

@@ -0,0 +1,292 @@
+// bk72xx_ble.cpp
+//
+// BLE controller support for the BK72xx BLE-5.x chips (LibreTiny beken-72xx
+// family) — the platform analog of esp32_ble / rp2040_ble. Owns everything that
+// talks to the Beken BDK BLE stack:
+//   - one-time stack bring-up (ble_set_notice_cb() + ble_entry()),
+//   - the controller BLE address,
+//   - the raw controller scan primitives (bk_ble_scan_start/stop),
+//   - the scan-report ring: the BDK notice callback (BLE task) takes a report
+//     from a fixed pool and pushes it on a lock-free SPSC queue; loop() drains,
+//     dispatches on the main task and returns reports to the pool — the same
+//     EventPool + LockFreeQueue handoff esp32_ble uses, zero allocation at
+//     steady state.
+// Consumers contain no SDK calls of their own.
+//
+// NOTE: the Beken BDK BLE 5.x stack is compiled and linked by the LibreTiny
+// beken-72xx builder itself (prebuilt libble_<chip>.a + ble_5_x sources, gated
+// on CFG_SUPPORT_BLE / CFG_BLE_VERSION in sys_config.h). This component only
+// calls into it via the public ble_api.h — no framework patch is required.
+
+#include "bk72xx_ble.h"  // pulls esphome/core/defines.h for USE_BK72XX_BLE
+
+#ifdef USE_BK72XX_BLE
+
+#include <cstring>
+
+#include "esphome/core/hal.h"
+#include "esphome/core/helpers.h"  // get_mac_address_raw()
+#include "esphome/core/log.h"
+
+// ---------------------------------------------------------------------------
+// SDK-capability gate (not a chip allowlist).
+// This component drives the Beken BLE *5.x* controller via its public API,
+// `ble_api.h`, which the LibreTiny beken-72xx builder ships only for the
+// BLE-5.x SoCs (it selects the `ble_pub` 5.x stack from CFG_BLE_VERSION; the
+// 4.2 SoCs build a different, older API with no ble_api.h). Gate on the header
+// itself so any BLE-5.x Beken chip — present or future — is supported without a
+// hard-coded list, and a non-5.x build fails here with a clear message instead
+// of a cryptic "ble_api.h: No such file or directory".
+// ---------------------------------------------------------------------------
+#if defined(CLANG_TIDY)
+// The clang-tidy environment does not carry the full Beken BDK BLE 5.x API
+// (its ble_api.h variant lacks parts of the 5.x surface), so there is nothing
+// accurate to analyze the SDK calls against — skip the file under analysis.
+#define BK72XX_BLE_NO_SDK
+#elif !__has_include("ble_api.h")
+#error \
+    "bk72xx_ble requires a BLE 5.x Beken SDK (ble_api.h). Supported SoCs: BK7231N/BK7236 (BLE 5.1) and BK7238/BK7252N/BK7253 (BLE 5.2). BK7231T/BK7251/BK7271 (BLE 4.2) and BK7231Q (no BLE) are not supported."
+#endif
+
+#ifndef BK72XX_BLE_NO_SDK
+
+// ---------------------------------------------------------------------------
+// Beken BDK BLE 5.x SDK — public API.
+// Exposed on the include path by the LibreTiny beken-72xx builder
+// (cores/.../ble_5_x_rw + driver/include). Wrapped in extern "C" because these
+// are C headers consumed from C++ (a standard C-header-from-C++ pattern).
+// ---------------------------------------------------------------------------
+extern "C" {
+#include "ble_api.h"  // bk_ble_scan_start/stop, ble_entry, ble_set_notice_cb,
+                      // app_ble_get_idle_actv_idx_handle, struct scan_param,
+                      // recv_adv_t, ble_notice_t, BLE_5_REPORT_ADV, SCAN_ACTV
+#ifdef BK72XX_BLE_HAS_COMMON_BDADDR
+#include "common_bt_defines.h"  // struct bd_addr
+// The controller's public BLE address, populated by the BDK during ble_entry().
+// Present on BK7231N; the other BLE-5.x chips' stacks have no such symbol — there the
+// address is derived from the WiFi MAC instead (matching the BDK's own fallback).
+extern struct bd_addr common_default_bdaddr;
+#endif
+// ble_entry() brings up the BDK BLE stack; it is not declared in ble_api.h, so
+// declare it here.
+void ble_entry(void);
+}
+
+namespace esphome::bk72xx_ble {
+
+static const char *const TAG = "bk72xx_ble";
+
+// The BDK notice callback is a plain C function pointer with no user argument,
+// so it reaches the (single) component instance through a file-static pointer.
+static BK72xxBLE *s_ble = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+
+// ---------------------------------------------------------------------------
+// BLE notice callback — runs in the BDK BLE task context.
+// The BK controller reports every advertisement as a BLE_5_REPORT_ADV notice
+// carrying a recv_adv_t. Copy it into the queue and return; all dispatch
+// happens in loop() on the main task.
+// ---------------------------------------------------------------------------
+static void ble_notice_callback(ble_notice_t notice, void *param) {
+  if (s_ble == nullptr || param == nullptr)
+    return;
+  if (notice != BLE_5_REPORT_ADV)
+    return;
+
+  const recv_adv_t *info = reinterpret_cast<const recv_adv_t *>(param);
+  // rssi is a signed dBm carried in a uint8_t; cast through int8_t (standard for
+  // a signed dBm value packed in a uint8_t).
+  s_ble->enqueue_scan_report(info->adv_addr, static_cast<int8_t>(info->rssi), info->adv_addr_type, info->data,
+                             info->data_len);
+}
+
+void BK72xxBLE::enqueue_scan_report(const uint8_t *mac, int8_t rssi, uint8_t addr_type, const uint8_t *data,
+                                    uint16_t data_len) {
+  BLEScanReport *report = this->report_pool_.allocate();
+  if (report == nullptr) {
+    // Pool exhausted — the queue is full; count and drop.
+    this->report_queue_.increment_dropped_count();
+    return;
+  }
+  memcpy(report->mac, mac, 6);
+  report->rssi = rssi;
+  report->addr_type = addr_type;
+  report->data_len =
+      (data_len <= sizeof(report->data)) ? static_cast<uint8_t>(data_len) : static_cast<uint8_t>(sizeof(report->data));
+  memcpy(report->data, data, report->data_len);
+  // Cannot fail: the pool is sized to the queue capacity.
+  this->report_queue_.push(report);
+}
+
+// ---------------------------------------------------------------------------
+// Component lifecycle
+// ---------------------------------------------------------------------------
+
+void BK72xxBLE::setup() {
+  s_ble = this;
+  // Resolve the MAC early so get_mac_lsb_first() is valid for consumers before
+  // the stack is up (it is re-read once ble_entry() has run).
+  this->resolve_mac_();
+  if (this->enable_on_boot_) {
+    this->enable();
+  }
+}
+
+// AFTER_WIFI, not BLUETOOTH: replicates the proven pre-split timing — the BDK
+// is first touched only once WiFi is up (single-core WiFi/BLE bring-up order).
+float BK72xxBLE::get_setup_priority() const { return setup_priority::AFTER_WIFI; }
+
+void BK72xxBLE::enable() {
+  if (this->state_ != BLEComponentState::STATE_OFF)
+    return;
+  this->state_ = BLEComponentState::ENABLING;
+
+  // One-time BLE stack init: register the notice callback, then bring up the
+  // BDK BLE stack. The BDK has no teardown path — init happens at most once.
+  ble_set_notice_cb(ble_notice_callback);
+  ble_entry();
+
+  delay(100);  // NOLINT — one-time BLE stack init; the SDK needs this settle time
+
+  // Re-read the BLE MAC now that the controller is up (common_default_bdaddr is
+  // populated by ble_entry()); resolve_mac_() may have fallen back earlier.
+  this->resolve_mac_();
+
+#ifdef BK72XX_BLE_HAS_COMMON_BDADDR
+  // Liveness heuristic (BK7231N): a healthy ble_entry() populates
+  // common_default_bdaddr during init, so all-zero after the settle delay
+  // suggests the stack did not come up. The BDK entry point returns void — no
+  // return code exists — so warn rather than fail: scan starts against a dead
+  // stack already fail cleanly downstream (no idle activity handle).
+  bool bdaddr_live = false;
+  for (uint8_t b : common_default_bdaddr.addr) {
+    if (b != 0) {
+      bdaddr_live = true;
+      break;
+    }
+  }
+  if (!bdaddr_live)
+    ESP_LOGW(TAG, "Controller address still unset after init; BLE stack may not have started");
+#endif
+
+  this->state_ = BLEComponentState::ACTIVE;
+  ESP_LOGD(TAG, "BLE stack initialised");
+}
+
+void BK72xxBLE::loop() {
+  // Drain the lock-free ring filled by the BLE task; all per-report work runs
+  // here on the main task, then the report returns to the pool.
+  BLEScanReport *report = this->report_queue_.pop();
+  if (report == nullptr)
+    return;
+  do {
+    for (auto *listener : this->scan_listeners_)
+      listener->on_scan_report(*report);
+    this->report_pool_.release(report);
+  } while ((report = this->report_queue_.pop()) != nullptr);
+
+  // Log dropped reports — only reachable when reports were processed; drops can
+  // only occur while the queue is full, and only this loop drains it.
+  uint16_t dropped = this->report_queue_.get_and_reset_dropped_count();
+  if (dropped > 0)
+    ESP_LOGW(TAG, "Dropped %u scan reports due to queue overflow", dropped);
+}
+
+void BK72xxBLE::get_mac_lsb_first(uint8_t out[6]) const {
+  for (int i = 0; i < 6; i++)
+    out[i] = this->ble_mac_[i];
+}
+
+void BK72xxBLE::dump_config() {
+  // ble_mac_ is stored LSB-first (BLE convention); print [5..0] for the
+  // MSB-first order Home Assistant shows.
+  ESP_LOGCONFIG(TAG,
+                "BK72xx BLE:\n"
+                "  MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n"
+                "  Active: %s",
+                this->ble_mac_[5], this->ble_mac_[4], this->ble_mac_[3], this->ble_mac_[2], this->ble_mac_[1],
+                this->ble_mac_[0], YESNO(this->is_active()));
+}
+
+// ---------------------------------------------------------------------------
+// MAC resolution
+// ---------------------------------------------------------------------------
+
+void BK72xxBLE::resolve_mac_() {
+#ifdef BK72XX_BLE_HAS_COMMON_BDADDR
+  // BK7231N: the BDK populates common_default_bdaddr (LSB-first, BLE convention)
+  // during ble_entry(). It may still be zero before the stack is up; if so, fall
+  // through to the WiFi-derived MAC below.
+  bool nonzero = false;
+  for (uint8_t b : common_default_bdaddr.addr) {
+    if (b != 0) {
+      nonzero = true;
+      break;
+    }
+  }
+  if (nonzero) {
+    memcpy(this->ble_mac_, common_default_bdaddr.addr, 6);
+    return;
+  }
+#endif
+  // Chips whose BLE stack does not export common_default_bdaddr (BK7238 and the other
+  // BLE-5.x SoCs), or BK7231N before the stack is up: derive the BLE MAC exactly as the
+  // Beken BDK does in bdaddr_env_init() — the WiFi STA MAC with only its last byte
+  // incremented (sta_mac[5] += 1, a plain byte increment with no carry into the next
+  // byte), OUI unchanged. This reproduces the address the controller advertises with
+  // (verified against the BK7231N BLE-5.1 and BK7252N/BK7238 BLE-5.2 SDK sources), so it
+  // matches on every device, including the last-byte == 0xFF edge that a 24-bit increment
+  // would carry differently.
+  uint8_t wifi_mac[6];
+  get_mac_address_raw(wifi_mac);  // MSB-first
+  const uint8_t ble[6] = {wifi_mac[0], wifi_mac[1], wifi_mac[2],
+                          wifi_mac[3], wifi_mac[4], static_cast<uint8_t>(wifi_mac[5] + 1)};
+  // Store LSB-first to match recv_adv_t adv_addr ordering.
+  for (int i = 0; i < 6; i++)
+    this->ble_mac_[i] = ble[5 - i];
+}
+
+// ---------------------------------------------------------------------------
+// Controller scan primitives
+// ---------------------------------------------------------------------------
+
+bool BK72xxBLE::scan_start(uint16_t interval, uint16_t window) {
+  if (!this->is_active())
+    this->enable();
+
+  if (this->scan_actv_idx_ != 0xFF) {
+    // Already scanning — stop first so this call cleanly restarts with the new
+    // parameters (the BDK cannot start a second scan on a busy activity).
+    this->scan_stop();
+  }
+
+  struct scan_param sp;
+  memset(&sp, 0, sizeof(sp));
+  sp.channel_map = 7;  // advertising channels 37/38/39
+  sp.interval = interval;
+  sp.window = window;
+
+  this->scan_actv_idx_ = app_ble_get_idle_actv_idx_handle(SCAN_ACTV);
+  if (this->scan_actv_idx_ == 0xFF) {
+    ESP_LOGE(TAG, "Scan start failed: no idle activity handle");
+    return false;
+  }
+  ble_err_t ret = bk_ble_scan_start(this->scan_actv_idx_, &sp, nullptr);
+  if (ret != ERR_SUCCESS) {
+    ESP_LOGE(TAG, "Scan start failed (err %d)", static_cast<int>(ret));
+    this->scan_actv_idx_ = 0xFF;
+    return false;
+  }
+  return true;
+}
+
+void BK72xxBLE::scan_stop() {
+  if (this->scan_actv_idx_ != 0xFF) {
+    bk_ble_scan_stop(this->scan_actv_idx_, nullptr);
+    this->scan_actv_idx_ = 0xFF;
+  }
+}
+
+}  // namespace esphome::bk72xx_ble
+
+#endif  // BK72XX_BLE_NO_SDK
+#endif  // USE_BK72XX_BLE

esphome/components/bk72xx_ble/bk72xx_ble.h

@@ -0,0 +1,98 @@
+#pragma once
+
+#include "esphome/core/defines.h"
+
+#ifdef USE_BK72XX_BLE
+
+#include "esphome/core/component.h"
+#include "esphome/core/event_pool.h"
+#include "esphome/core/lock_free_queue.h"
+
+#include <cstdint>
+#include <vector>
+
+namespace esphome::bk72xx_ble {
+
+enum class BLEComponentState : uint8_t {
+  STATE_OFF = 0,
+  ENABLING,
+  ACTIVE,
+};
+
+/// One advertisement report from the controller.
+struct BLEScanReport {
+  uint8_t mac[6];  // LSB-first, as the controller delivers it
+  int8_t rssi;     // signed dBm
+  uint8_t addr_type;
+  uint8_t data_len;  // bytes valid in data[]
+  uint8_t data[62];  // legacy advertisement (31) + scan response (31)
+
+  // EventPool contract: nothing is heap-allocated inside a report.
+  void release() {}
+};
+
+/// Consumer interface for controller scan reports. on_scan_report() always runs
+/// on the ESPHome main task: reports are queued from the BDK BLE task and
+/// drained by the controller's loop(), so consumers never deal with cross-task
+/// state (the esp32_ble event-queue pattern).
+class BLEScanListener {
+ public:
+  virtual void on_scan_report(const BLEScanReport &report) = 0;
+
+ protected:
+  ~BLEScanListener() = default;  // deletion via this interface is not part of the contract
+};
+
+// Maximum reports buffered between the BLE task and loop().
+static constexpr uint8_t MAX_SCAN_REPORT_QUEUE_SIZE = 64;
+
+class BK72xxBLE final : public Component {
+ public:
+  void setup() override;
+  void loop() override;
+  void dump_config() override;
+  float get_setup_priority() const override;
+
+  /// Bring up the BDK BLE stack (one-time; the BDK has no teardown path).
+  void enable();
+  bool is_active() const { return this->state_ == BLEComponentState::ACTIVE; }
+
+  void set_enable_on_boot(bool enable_on_boot) { this->enable_on_boot_ = enable_on_boot; }
+
+  /// Controller BLE address, least-significant octet first (BLE convention).
+  void get_mac_lsb_first(uint8_t out[6]) const;
+
+  /// Register a consumer for scan reports (delivered on the main task via loop()).
+  void register_scan_listener(BLEScanListener *listener) { this->scan_listeners_.push_back(listener); }
+
+  /// Start the controller scan. Interval/window are in BLE units (0.625 ms).
+  /// Enables the stack first if needed. Returns false on controller failure.
+  bool scan_start(uint16_t interval, uint16_t window);
+  /// Stop the controller scan (no-op when not scanning).
+  void scan_stop();
+
+  /// Internal: buffer one controller report (BDK notice callback, BLE task
+  /// context — bounded copy under the scheduler lock, nothing else).
+  void enqueue_scan_report(const uint8_t *mac, int8_t rssi, uint8_t addr_type, const uint8_t *data, uint16_t data_len);
+
+ protected:
+  void resolve_mac_();
+
+  std::vector<BLEScanListener *> scan_listeners_;
+  // Report ring: the BDK notice callback (BLE task) allocates a report from the
+  // pool, fills it and pushes the pointer; loop() pops, dispatches and releases.
+  // Lock-free SPSC, zero allocation at steady state — the esp32_ble pattern.
+  esphome::LockFreeQueue<BLEScanReport, MAX_SCAN_REPORT_QUEUE_SIZE> report_queue_;
+  // Pool sized to queue capacity (SIZE-1): the ring reserves one slot, so
+  // allocate() returns nullptr before push() can fail. This prevents leaking a
+  // pool slot on a failed push and keeps release() off the producer path.
+  esphome::EventPool<BLEScanReport, MAX_SCAN_REPORT_QUEUE_SIZE - 1> report_pool_;
+  uint8_t ble_mac_[6]{0};  // LSB-first (BLE convention)
+  uint8_t scan_actv_idx_{0xFF};
+  BLEComponentState state_{BLEComponentState::STATE_OFF};
+  bool enable_on_boot_{false};
+};
+
+}  // namespace esphome::bk72xx_ble
+
+#endif  // USE_BK72XX_BLE

esphome/components/bk72xx_ble_tracker/__init__.py

@@ -0,0 +1,151 @@
+"""BK72xx BLE Tracker — ESPHome BLE 5.x scanner for the BLE-5.x-capable
+LibreTiny Beken chips (beken-72xx family).
+
+Builds on the bk72xx_ble controller component (stack bring-up, BLE address,
+scan primitives) and implements the platform-neutral ble_device_base BLEHub
+contract: the shared BLE sensors (ble_presence, ble_rssi, ble_scanner,
+bthome_mithermometer, xiaomi_*, …) bind to this tracker through
+cv.use_id(BLEHub) with no BK-specific code.
+
+Scan modes:
+  continuous: true  — scan runs forever; never stops automatically.
+                      Use this when the radio is dedicated to BLE.
+  continuous: false — a started scan runs for `duration` ms, then stops. The
+                      FIRST start is external too: nothing in this component
+                      starts a non-continuous scan on boot, so until the
+                      automation actions land (follow-up PR) the radio stays
+                      idle. start_scan() is called from code (e.g. an api
+                      client-connected automation) so the single-core radio
+                      can service WiFi in between scans.
+"""
+
+import esphome.codegen as cg
+from esphome.components import bk72xx_ble, ble_device_base, ota
+from esphome.components.const import CONF_SCAN_PARAMETERS, CONF_WINDOW
+import esphome.config_validation as cv
+from esphome.const import CONF_CONTINUOUS, CONF_DURATION, CONF_ID, CONF_INTERVAL
+from esphome.core import CORE, CoroPriority, coroutine_with_priority
+from esphome.types import ConfigType
+
+CONF_BK72XX_BLE_ID = "bk72xx_ble_id"
+
+DEPENDENCIES = ["bk72xx"]
+AUTO_LOAD = ["ble_device_base", "bk72xx_ble"]
+CODEOWNERS = ["@Bl00d-B0b"]
+
+bk72xx_ble_tracker_ns = cg.esphome_ns.namespace("bk72xx_ble_tracker")
+BK72xxBLETracker = bk72xx_ble_tracker_ns.class_(
+    "BK72xxBLETracker", ble_device_base.BLEHub, cg.Component
+)
+
+
+def to_ble_units(value: cv.TimePeriod) -> int:
+    """Convert a scan time to the controller's 0.625 ms units.
+
+    Used by both validation and codegen so what is validated is exactly what is
+    programmed — the truncation here is what makes the duty-cycle check below
+    meaningful.
+    """
+    return value.total_microseconds // 625
+
+
+def validate_scan_parameters(config: ConfigType) -> ConfigType:
+    """Reject impossible window/interval/duration combinations at config time.
+
+    Mirrors esp32_ble_tracker: the controller cannot scan for longer than the
+    interval, and a too-short duration would end the scan period almost
+    immediately. Catching it here gives a clear error instead of a runtime
+    controller failure and the 1/sec retry loop.
+    """
+    duration = config[CONF_DURATION]
+    interval = config[CONF_INTERVAL]
+    window = config[CONF_WINDOW]
+
+    if window > interval:
+        raise cv.Invalid(
+            f"Scan window ({window}) needs to be smaller than scan interval ({interval})"
+        )
+
+    # BLE scan interval/window are programmed in 0.625 ms units as a 16-bit value; the
+    # controller only accepts 2.5 ms .. 10240 ms (0x0004 .. 0x4000). Reject out-of-range
+    # values here instead of letting the unit conversion silently overflow.
+    for name, value in (("interval", interval), ("window", window)):
+        if value.total_microseconds < 2500 or value.total_microseconds > 10_240_000:
+            raise cv.Invalid(
+                f"Scan {name} ({value}) must be between 2.5 ms and 10240 ms"
+            )
+
+    # Validate what actually reaches the controller: both values are truncated to
+    # whole 0.625 ms units, so a window/interval pair that differs by less than one
+    # unit collapses to the same value — silently programming a 100 % duty cycle
+    # (radio permanently on) from a config that asked for less.
+    interval_units = to_ble_units(interval)
+    window_units = to_ble_units(window)
+    if window_units == interval_units and window < interval:
+        raise cv.Invalid(
+            f"Scan window ({window}) and interval ({interval}) both round to "
+            f"{interval_units} x 0.625 ms, which the controller scans at a 100 % duty "
+            f"cycle. Separate them by at least 0.625 ms."
+        )
+
+    if interval.total_microseconds * 3 > duration.total_microseconds:
+        raise cv.Invalid(
+            f"Scan duration ({duration}) must cover at least three scan intervals "
+            f"({interval}): the scanner listens on one of the three BLE advertising "
+            f"channels per interval, so a shorter duration can miss devices entirely."
+        )
+
+    return config
+
+
+SCAN_PARAMETERS_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.Optional(CONF_DURATION, default="5min"): cv.positive_time_period_seconds,
+            # interval/window default to the BK reference scan rate — 100 ms / 30 ms,
+            # a 30 % duty cycle. Converted to the controller's 0.625 ms BLE units in
+            # to_code(). (LN882H's SDK recommends a different 100 / 50 ms = 50 %.)
+            cv.Optional(CONF_INTERVAL, default="100ms"): cv.positive_time_period,
+            cv.Optional(CONF_WINDOW, default="30ms"): cv.positive_time_period,
+            cv.Optional(CONF_CONTINUOUS, default=True): cv.boolean,
+        }
+    ),
+    validate_scan_parameters,
+)
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(BK72xxBLETracker),
+        cv.GenerateID(CONF_BK72XX_BLE_ID): cv.use_id(bk72xx_ble.BK72xxBLE),
+        cv.Optional(CONF_SCAN_PARAMETERS, default={}): SCAN_PARAMETERS_SCHEMA,
+    }
+).extend(cv.COMPONENT_SCHEMA)
+
+
+# Runs at FINAL priority so every BLE sensor has registered through
+# ble_device_base (and any tracker-owned listeners have been counted) before
+# the StaticVector size is emitted. Same pattern as esp32_ble_tracker.
+@coroutine_with_priority(CoroPriority.FINAL)
+async def _emit_listener_count() -> None:
+    count = ble_device_base.get_listener_count()
+    if count > 0:
+        cg.add_define("ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT", count)
+
+
+async def to_code(config: ConfigType) -> None:
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+
+    parent = await cg.get_variable(config[CONF_BK72XX_BLE_ID])
+    cg.add(var.set_parent(parent))
+
+    # Get notified when an OTA update starts, to pause scanning (esp32_ble_tracker parity)
+    ota.request_ota_state_listeners()
+
+    scan = config[CONF_SCAN_PARAMETERS]
+    cg.add(var.set_scan_interval(to_ble_units(scan[CONF_INTERVAL])))
+    cg.add(var.set_scan_window(to_ble_units(scan[CONF_WINDOW])))
+    cg.add(var.set_scan_duration(scan[CONF_DURATION].total_milliseconds))
+    cg.add(var.set_scan_continuous(scan[CONF_CONTINUOUS]))
+
+    CORE.add_job(_emit_listener_count)

esphome/components/bk72xx_ble_tracker/bk72xx_ble_tracker.cpp

@@ -0,0 +1,211 @@
+// bk72xx_ble_tracker.cpp
+//
+// BLE scan policy for the BK72xx BLE-5.x chips: parameters, duration/period
+// timers and the rate-limited start retry. All controller access (stack
+// bring-up, scan primitives, the BLE-task → main-task report queue) goes
+// through the bk72xx_ble component — no SDK calls and no cross-task state here.
+
+#ifdef USE_LIBRETINY
+
+#include "bk72xx_ble_tracker.h"
+
+#include <algorithm>
+#include <cinttypes>
+
+#include "esphome/core/hal.h"
+#include "esphome/core/log.h"
+
+namespace esphome::bk72xx_ble_tracker {
+
+static const char *const TAG = "bk72xx_ble_tracker";
+
+// Minimum interval between scan (re)start attempts, so a failing controller start
+// cannot be retried every main-loop iteration (single-core CPU starvation). The
+// interval doubles with consecutive failed starts (1 s up to 64 s) so a controller
+// that never comes up — the controller logs each failure at ERROR — settles into a
+// slow, quiet poll instead of an error line every second for the rest of uptime;
+// a single WARN is emitted when the retry interval first saturates.
+static constexpr uint32_t SCAN_START_RETRY_MS = 1000;
+static constexpr uint8_t SCAN_START_RETRY_MAX_DOUBLINGS = 6;  // 1 s << 6 = 64 s
+
+// ---------------------------------------------------------------------------
+// Component lifecycle
+// ---------------------------------------------------------------------------
+
+void BK72xxBLETracker::setup() {
+  // Receive the controller's scan reports; the controller queues them from the
+  // BLE task and delivers here on the main task.
+  this->parent_->register_scan_listener(this);
+#ifdef USE_OTA_STATE_LISTENER
+  // Pause scanning while an OTA update is in flight — on the single-core BK72xx the
+  // BLE scan competes with the OTA flash writes. Mirrors esp32_ble_tracker.
+  ota::get_global_ota_callback()->add_global_state_listener(this);
+#endif
+}
+
+#ifdef USE_OTA_STATE_LISTENER
+void BK72xxBLETracker::on_ota_global_state(ota::OTAState state, float progress, uint8_t error,
+                                           ota::OTAComponent *comp) {
+  if (state == ota::OTA_STARTED) {
+    this->scan_continuous_before_ota_ = this->scan_continuous_;
+    this->stop_scan();
+  } else if ((state == ota::OTA_ERROR || state == ota::OTA_ABORT) && this->scan_continuous_before_ota_) {
+    // On success the device reboots, so restore only on a failed/aborted update;
+    // loop() restarts the scan on its next iteration (continuous idle branch).
+    this->scan_continuous_before_ota_ = false;
+    this->scan_continuous_ = true;
+  }
+}
+#endif  // USE_OTA_STATE_LISTENER
+
+void BK72xxBLETracker::loop() {
+  const uint32_t now = millis();
+  if (this->scan_continuous_) {
+    if (!this->scan_running_) {
+      // Rate-limit (re)start attempts. The controller start can fail (no idle activity
+      // handle, WiFi/BLE coexistence) and leave scan_running_ false; retrying every
+      // main-loop iteration would spin the single-core CPU and starve WiFi (device
+      // becomes unresponsive). The interval backs off with consecutive failures so a
+      // controller that never comes up polls slowly and quietly.
+      const uint8_t doublings = std::min<uint8_t>(this->failed_start_count_, SCAN_START_RETRY_MAX_DOUBLINGS);
+      if (now - this->last_scan_start_attempt_ >= (SCAN_START_RETRY_MS << doublings)) {
+        this->last_scan_start_attempt_ = now;
+        this->start_scan_();
+        if (this->scan_running_) {
+          this->failed_start_count_ = 0;
+        } else if (this->failed_start_count_ < SCAN_START_RETRY_MAX_DOUBLINGS) {
+          ++this->failed_start_count_;
+          if (this->failed_start_count_ == SCAN_START_RETRY_MAX_DOUBLINGS) {
+            ESP_LOGW(TAG, "Scan start keeps failing; retrying every %" PRIu32 " s",
+                     (SCAN_START_RETRY_MS << SCAN_START_RETRY_MAX_DOUBLINGS) / 1000);
+          }
+        }
+      }
+    }
+    // Period timer: fire on_scan_end() once per scan_duration_ window, mirroring
+    // esp32_ble_tracker::cleanup_scan_state_(). Gated on scan_started_once_ so a scan
+    // that never came up (start kept failing) does not fire spurious on_scan_end events.
+    if (this->scan_started_once_ && now - this->scan_period_start_ >= this->scan_duration_) {
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+      for (auto *listener : this->listeners_)
+        listener->on_scan_end();
+      this->discovered_log_.clear();  // reset per-scan "Found device" dedup (esp32_ble_tracker parity)
+#endif
+      this->scan_period_start_ = now;
+    }
+    return;
+  }
+
+  // Non-continuous mode: run for scan_duration_ ms, then stop and fire on_scan_end.
+  // Restart is driven externally (e.g. api: on_client_connected:).
+  if (this->scan_running_ && now - this->scan_start_time_ >= this->scan_duration_) {
+    this->stop_scan_();
+  }
+}
+
+void BK72xxBLETracker::dump_config() {
+  ESP_LOGCONFIG(TAG,
+                "BK72xx BLE Tracker:\n"
+                "  Scan Duration: %" PRIu32 " s\n"
+                "  Scan Interval: %.0f ms (%" PRIu32 " BLE units)\n"
+                "  Scan Window: %.0f ms (%" PRIu32 " BLE units)\n"
+                "  Scan Type: PASSIVE\n"
+                "  Continuous Scanning: %s",
+                this->scan_duration_ / 1000, this->scan_interval_ * 0.625f, this->scan_interval_,
+                this->scan_window_ * 0.625f, this->scan_window_, YESNO(this->scan_continuous_));
+}
+
+// ---------------------------------------------------------------------------
+// Scan report — delivered by the controller's loop() on the ESPHome main task
+// (the controller queues reports from the BLE task), so publish_state() and
+// listener dispatch run in main-loop context with no cross-task handling here.
+// ---------------------------------------------------------------------------
+
+void BK72xxBLETracker::on_scan_report(const bk72xx_ble::BLEScanReport &report) {
+  // Raw callback (the raw-advertisement path).
+  if (this->raw_advertisement_callback_.is_set()) {
+    const ble_device_base::RawAdvertisement adv{.mac = report.mac,
+                                                .data = report.data,
+                                                .data_len = report.data_len,
+                                                .rssi = report.rssi,
+                                                .addr_type = report.addr_type};
+    this->raw_advertisement_callback_.invoke(adv);
+  }
+
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+  ble_device_base::ESPBTDevice device;
+  device.from_scan_result(report.mac, report.rssi, report.addr_type, report.data, report.data_len);
+  bool found = false;
+  for (auto *listener : this->listeners_)
+    if (listener->parse_device(device))
+      found = true;
+  // Mirror esp32_ble_tracker: log a newly-seen device only when nothing claimed
+  // it and the scan is one-shot (continuous scans would spam).
+  if (!found && !this->scan_continuous_)
+    this->discovered_log_.log_device(TAG, device);
+#endif  // ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+}
+
+// ---------------------------------------------------------------------------
+// Public scan control
+// ---------------------------------------------------------------------------
+
+void BK72xxBLETracker::start_scan() {
+  // Mirrors esp32_ble_tracker::start_scan(): caller sets scan_continuous_ via
+  // set_scan_continuous() first, then calls start_scan() to begin scanning.
+  if (!this->scan_running_) {
+    this->start_scan_();
+  }
+}
+
+void BK72xxBLETracker::stop_scan() {
+  this->scan_continuous_ = false;
+  this->stop_scan_();
+}
+
+// ---------------------------------------------------------------------------
+// Internal scan start / stop
+// ---------------------------------------------------------------------------
+
+void BK72xxBLETracker::start_scan_() {
+  if (this->scan_running_)
+    return;
+
+  if (!this->parent_->scan_start(static_cast<uint16_t>(this->scan_interval_),
+                                 static_cast<uint16_t>(this->scan_window_)))
+    return;
+
+  const uint32_t now = millis();
+  this->scan_running_ = true;
+  this->scan_start_time_ = now;
+  // Log every explicit start at DEBUG — stop_scan_() logs every stop at DEBUG, and
+  // in non-continuous mode each period is an explicit start, so asymmetric logging
+  // would read as the scanner failing to come back up.
+  ESP_LOGD(TAG, "Scan started (passive, window=%.0fms, interval=%.0fms)", this->scan_window_ * 0.625f,
+           this->scan_interval_ * 0.625f);
+  // Re-anchor the on_scan_end period to every successful start — first start (so the
+  // period counts from the scan, not from boot) and every restart after a stop (so
+  // resuming after longer than scan_duration, e.g. a failed OTA restoring continuous
+  // mode 10 minutes later, does not fire on_scan_end before an advertisement can
+  // arrive). scan_started_once_ purely gates the period timer.
+  this->scan_period_start_ = now;
+  this->scan_started_once_ = true;
+}
+
+void BK72xxBLETracker::stop_scan_() {
+  if (!this->scan_running_)
+    return;
+  this->parent_->scan_stop();
+  this->scan_running_ = false;
+  ESP_LOGD(TAG, "Scan stopped");
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+  for (auto *listener : this->listeners_)
+    listener->on_scan_end();
+  this->discovered_log_.clear();  // reset per-scan "Found device" dedup (esp32_ble_tracker parity)
+#endif
+  this->scan_period_start_ = millis();  // reset period clock so on_scan_end does not double-fire
+}
+
+}  // namespace esphome::bk72xx_ble_tracker
+
+#endif  // USE_LIBRETINY

esphome/components/bk72xx_ble_tracker/bk72xx_ble_tracker.h

@@ -0,0 +1,150 @@
+// bk72xx_ble_tracker.h
+//
+// ESPHome BLE scanner for the BK72xx BLE-5.x chips (LibreTiny beken-72xx family).
+// Implements the platform-neutral ble_device_base::BLEHub contract on top of the
+// bk72xx_ble controller component: parsed ESPBTDevice objects go to registered
+// listeners (bthome_mithermometer, ble_presence, …) and every raw frame to the
+// hub's raw-advertisement callback.
+//
+// This component contains no Beken SDK calls and no cross-task state: the
+// controller (stack bring-up, BLE address, scan primitives, and the BLE-task →
+// main-task report queue) is owned by bk72xx_ble, which delivers every scan
+// report on the ESPHome main task. The tracker owns scan policy — parameters,
+// duration/period timers and the rate-limited start retry.
+//
+// YAML config (values shown are the defaults; interval/window are a 30 % duty
+// cycle, the BK reference scan rate):
+//
+//   bk72xx_ble_tracker:
+//     scan_parameters:
+//       interval:   100ms
+//       window:      30ms
+//       duration:    5min
+//       continuous:  true
+
+#pragma once
+
+#ifdef USE_LIBRETINY
+
+#include "esphome/components/bk72xx_ble/bk72xx_ble.h"
+#include "esphome/components/ble_device_base/ble_device.h"
+#include "esphome/components/ble_device_base/ble_hub.h"
+#include "esphome/core/component.h"
+#include "esphome/core/helpers.h"
+
+#include <cstdint>
+
+#ifdef USE_OTA_STATE_LISTENER
+#include "esphome/components/ota/ota_backend.h"
+#endif
+
+namespace esphome::bk72xx_ble_tracker {
+
+// ---------------------------------------------------------------------------
+// BK72xxBLETracker
+// ---------------------------------------------------------------------------
+
+class BK72xxBLETracker : public Component,
+                         public ble_device_base::BLEHub,
+                         public bk72xx_ble::BLEScanListener,
+                         public Parented<bk72xx_ble::BK72xxBLE>
+#ifdef USE_OTA_STATE_LISTENER
+    ,
+                         public ota::OTAGlobalStateListener
+#endif
+{
+ public:
+  // ---- ESPHome Component ----
+  void setup() override;
+  void loop() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
+
+#ifdef USE_OTA_STATE_LISTENER
+  // Pause scanning while an OTA update runs (single-core WiFi/BLE/flash contention);
+  // mirrors esp32_ble_tracker.
+  void on_ota_global_state(ota::OTAState state, float progress, uint8_t error, ota::OTAComponent *comp) override;
+#endif
+
+  // ---- YAML configuration setters ----
+  void set_scan_interval(uint32_t scan_interval) { this->scan_interval_ = scan_interval; }
+  void set_scan_window(uint32_t scan_window) { this->scan_window_ = scan_window; }
+  void set_scan_duration(uint32_t scan_duration) { this->scan_duration_ = scan_duration; }
+  void set_scan_continuous(bool scan_continuous) { this->scan_continuous_ = scan_continuous; }
+
+  // ---- Public scan control ----
+  // Mirrors esp32_ble_tracker: set_scan_continuous() + start_scan() / stop_scan().
+  void start_scan();
+  void stop_scan();
+
+  // ---- ble_device_base::BLEHub contract ----
+  void register_listener(ble_device_base::ESPBTDeviceListener *listener) override {
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+    this->listeners_.push_back(listener);
+#endif
+  }
+  void set_raw_advertisement_callback(ble_device_base::RawAdvertisementCallback callback) override {
+    this->raw_advertisement_callback_ = callback;
+  }
+  ble_device_base::HubCapabilities get_capabilities() const override {
+    // The Beken BDK exposes no active-scan path (passive scanning only), so the
+    // controller never solicits scan responses and never merges them; consumers
+    // relying on scan-response fields (device names) get them only where the
+    // receiver merges per address (Home Assistant does). No GATT client either.
+    return {.active_scan = false, .merges_scan_response = false, .gatt = false};
+  }
+  // The controller stores the address LSB-first (BLE convention); the contract
+  // wants printable (MSB-first) order.
+  void get_adapter_mac(uint8_t out[6]) override {
+    uint8_t mac[6];
+    this->parent_->get_mac_lsb_first(mac);
+    for (int i = 0; i < 6; i++)
+      out[i] = mac[5 - i];
+  }
+  bool scan_running() override { return this->scan_running_; }
+  bool scan_active() override { return false; }  // BK72xx scan is passive-only
+
+  // ---- bk72xx_ble::BLEScanListener ----
+  // Delivered by the controller's loop() on the ESPHome main task — the
+  // BLE-task → main-task handoff already happened in the controller's queue.
+  void on_scan_report(const bk72xx_ble::BLEScanReport &report) override;
+
+ protected:
+  void start_scan_();
+  void stop_scan_();
+
+  bool scan_running_{false};
+  // Defaults: the BK reference — 30 % duty cycle
+  // (interval 100 ms / window 30 ms), in 0.625 ms BLE units.
+  uint32_t scan_interval_{160};  // 160 × 0.625 ms = 100 ms
+  uint32_t scan_window_{48};     // 48 × 0.625 ms = 30 ms (30/100 = 30 %)
+  uint32_t scan_duration_{300000};
+  bool scan_continuous_{true};
+#ifdef USE_OTA_STATE_LISTENER
+  bool scan_continuous_before_ota_{false};  // continuous mode saved at OTA start, restored on OTA failure
+#endif
+  uint32_t scan_start_time_{0};
+
+  uint32_t last_scan_start_attempt_{0};  // millis() of last start_scan_() attempt; rate-limits retries
+  uint8_t failed_start_count_{0};        // consecutive failed starts; drives the retry backoff (reset on success)
+  uint32_t scan_period_start_{0};        // millis() at start of current scan period; used to rate-limit on_scan_end()
+  bool scan_started_once_{false};        // true after first successful scan start; gates the period timer
+
+  ble_device_base::RawAdvertisementCallback raw_advertisement_callback_{};
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+  // Parsed-advertisement consumers registered through ble_device_base.
+  // Codegen-sized: no heap allocation, no std::vector template instantiations.
+  StaticVector<ble_device_base::ESPBTDeviceListener *, ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT> listeners_;
+#endif
+
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+  // Per-period "Found device" DEBUG log with MAC dedup — shared implementation
+  // in ble_device_base, identical output on every tracker backend. Guarded like
+  // its only writer so a no-listener build does not carry an unused vector.
+  ble_device_base::DiscoveredDeviceLog discovered_log_{};
+#endif
+};
+
+}  // namespace esphome::bk72xx_ble_tracker
+
+#endif  // USE_LIBRETINY

esphome/components/ble_device_base/__init__.py

@@ -0,0 +1,134 @@
+"""
+ble_device_base — the platform-neutral BLE layer.
+
+Owns the shared advertisement types (ESPBTUUID / ESPBTDevice / ServiceData /
+ESPBLEiBeacon / ESPBTDeviceListener, in ble_device.h) and the tracker contract
+(BLEHub, in ble_hub.h) on every platform.
+
+BLE consumers (sensor components, bluetooth_proxy) bind to whichever tracker the
+configuration declares via `cv.use_id(BLEHub)` — ESPHome resolves any declared
+subclass, so there is no platform table here and no dependency in either
+direction. A sensor appends inject_ble_hub to its CONFIG_SCHEMA (via cv.All) and
+calls register_ble_device() in to_code; a tracker component subclasses BLEHub
+(C++ and codegen class). Adding a new BLE chip requires only a new tracker
+component.
+
+AES-CCM decryption for encrypted advertisements is provided portably in
+ble_aes_ccm.h.
+"""
+
+import re
+
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.core import CORE
+from esphome.types import ConfigType
+
+CODEOWNERS = ["@Bl00d-B0b"]
+
+CONF_BLE_HUB_ID = "ble_hub_id"
+
+# CORE.data key: number of parsed-advertisement listeners registered in this
+# build. Trackers whose codegen sizes storage at compile time (esp32's
+# StaticVector count define) read it in their final coroutine.
+KEY_BLE_LISTENER_COUNT = "ble_device_base_listener_count"
+
+ble_device_base_ns = cg.esphome_ns.namespace("ble_device_base")
+
+# The neutral tracker contract. Every tracker's codegen class declares this as a
+# parent, which is what lets cv.use_id(BLEHub) resolve any of them.
+BLEHub = ble_device_base_ns.class_("BLEHub")
+
+# The neutral listener base (C++: ble_device_base::ESPBTDeviceListener).
+ESPBTDeviceListener = ble_device_base_ns.class_("ESPBTDeviceListener")
+
+
+def inject_ble_hub(config: ConfigType) -> ConfigType:
+    """Validator: auto-resolve the configured BLE tracker into the config.
+
+    Append via cv.All to a BLE consumer's CONFIG_SCHEMA. Uses cv.GenerateID +
+    cv.use_id(BLEHub): an omitted id resolves to the single declared tracker on
+    any platform; multiple trackers can be disambiguated with an explicit
+    ble_hub_id.
+    """
+    return cv.Schema(
+        {cv.GenerateID(CONF_BLE_HUB_ID): cv.use_id(BLEHub)}, extra=cv.ALLOW_EXTRA
+    )(config)
+
+
+def request_irk_support() -> None:
+    """Compile in resolve_irk()'s software-AES path. Called by sensors with an
+    irk: option so builds without IRK do not carry the resolution code."""
+    cg.add_define("USE_BLE_DEVICE_IRK")
+
+
+def get_listener_count() -> int:
+    """Number of parsed listeners registered so far (for tracker codegen)."""
+    return CORE.data.get(KEY_BLE_LISTENER_COUNT, 0)
+
+
+async def register_ble_device(var: cg.MockObj, config: ConfigType) -> cg.MockObj:
+    """Register `var` as a parsed-advertisement listener on the configured hub."""
+    hub = await cg.get_variable(config[CONF_BLE_HUB_ID])
+    cg.add(hub.register_listener(var))
+    CORE.data[KEY_BLE_LISTENER_COUNT] = CORE.data.get(KEY_BLE_LISTENER_COUNT, 0) + 1
+    return var
+
+
+# ---- shared validation / codegen helpers (platform-neutral) ----
+BT_UUID16_FORMAT = "XXXX"
+BT_UUID32_FORMAT = "XXXXXXXX"
+BT_UUID128_FORMAT = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
+
+_BT_UUID16_RE = re.compile("^[A-F0-9]{4,}$")
+_BT_UUID32_RE = re.compile("^[A-F0-9]{8,}$")
+_BT_UUID128_RE = re.compile(
+    "^[A-F0-9]{8,}-[A-F0-9]{4,}-[A-F0-9]{4,}-[A-F0-9]{4,}-[A-F0-9]{12,}$"
+)
+
+
+# Validator table keyed by input length: (compiled pattern, label used in errors).
+_BT_UUID_FORMATS = {
+    len(BT_UUID16_FORMAT): (_BT_UUID16_RE, "16 bit"),
+    len(BT_UUID32_FORMAT): (_BT_UUID32_RE, "32 bit"),
+    len(BT_UUID128_FORMAT): (_BT_UUID128_RE, "128"),
+}
+
+
+def bt_uuid(value: str) -> str:
+    in_value = cv.string_strict(value)
+    value = in_value.upper()
+
+    fmt = _BT_UUID_FORMATS.get(len(value))
+    if fmt is None:
+        raise cv.Invalid(
+            f"Bluetooth UUID must be in 16 bit '{BT_UUID16_FORMAT}', 32 bit '{BT_UUID32_FORMAT}', or 128 bit '{BT_UUID128_FORMAT}' format"
+        )
+    pattern, label = fmt
+    if not pattern.match(value):
+        raise cv.Invalid(
+            f"Invalid hexadecimal value for {label} UUID format: '{in_value}'"
+        )
+    return value
+
+
+def as_hex(value: str) -> cg.RawExpression:
+    return cg.RawExpression(f"0x{value}ULL")
+
+
+def _hex_array_expression(value: str, reverse: bool) -> cg.RawExpression:
+    value = value.replace("-", "")
+    cpp_array = [
+        f"0x{part}" for part in [value[i : i + 2] for i in range(0, len(value), 2)]
+    ]
+    if reverse:
+        cpp_array.reverse()
+    return cg.RawExpression(f"(uint8_t*)(const uint8_t[16]){{{','.join(cpp_array)}}}")
+
+
+def as_hex_array(value: str) -> cg.RawExpression:
+    return _hex_array_expression(value, reverse=False)
+
+
+def as_reversed_hex_array(value: str) -> cg.RawExpression:
+    return _hex_array_expression(value, reverse=True)

esphome/components/ble_device_base/ble_aes_ccm.cpp

@@ -0,0 +1,202 @@
+#include "ble_aes_ccm.h"
+
+#include <algorithm>
+#include <cstring>
+
+namespace esphome::ble_device_base {
+
+namespace {
+
+// AES-128 forward cipher only — CCM uses the block cipher in the encrypt
+// direction for both the CTR keystream and the CBC-MAC.
+const uint8_t SBOX[256] = {
+    0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,  //
+    0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,  //
+    0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,  //
+    0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,  //
+    0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,  //
+    0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,  //
+    0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,  //
+    0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,  //
+    0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,  //
+    0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,  //
+    0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,  //
+    0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,  //
+    0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,  //
+    0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,  //
+    0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,  //
+    0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16,  //
+};
+
+const uint8_t RCON[11] = {0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36};
+
+inline uint8_t xtime(uint8_t x) { return static_cast<uint8_t>((x << 1) ^ ((x & 0x80) ? 0x1b : 0x00)); }
+
+// AES-128 forward cipher with on-the-fly key schedule.
+class Aes128 {
+ public:
+  explicit Aes128(const uint8_t key[16]) {
+    memcpy(this->rk_, key, 16);
+    for (size_t i = 16; i < 176; i += 4) {
+      uint8_t t[4] = {this->rk_[i - 4], this->rk_[i - 3], this->rk_[i - 2], this->rk_[i - 1]};
+      if (i % 16 == 0) {
+        const uint8_t tmp = t[0];
+        t[0] = static_cast<uint8_t>(SBOX[t[1]] ^ RCON[i / 16]);
+        t[1] = SBOX[t[2]];
+        t[2] = SBOX[t[3]];
+        t[3] = SBOX[tmp];
+      }
+      for (size_t j = 0; j < 4; j++)
+        this->rk_[i + j] = static_cast<uint8_t>(this->rk_[i - 16 + j] ^ t[j]);
+    }
+  }
+
+  void encrypt(const uint8_t in[16], uint8_t out[16]) const {
+    uint8_t s[16];
+    memcpy(s, in, 16);
+    for (size_t i = 0; i < 16; i++)
+      s[i] ^= this->rk_[i];
+
+    for (size_t round = 1; round < 10; round++) {
+      for (uint8_t &b : s)
+        b = SBOX[b];
+      shift_rows(s);
+      for (size_t c = 0; c < 4; c++) {
+        uint8_t *col = s + c * 4;
+        const uint8_t a0 = col[0], a1 = col[1], a2 = col[2], a3 = col[3];
+        const uint8_t h = static_cast<uint8_t>(a0 ^ a1 ^ a2 ^ a3);
+        col[0] ^= static_cast<uint8_t>(h ^ xtime(static_cast<uint8_t>(a0 ^ a1)));
+        col[1] ^= static_cast<uint8_t>(h ^ xtime(static_cast<uint8_t>(a1 ^ a2)));
+        col[2] ^= static_cast<uint8_t>(h ^ xtime(static_cast<uint8_t>(a2 ^ a3)));
+        col[3] ^= static_cast<uint8_t>(h ^ xtime(static_cast<uint8_t>(a3 ^ a0)));
+      }
+      for (size_t i = 0; i < 16; i++)
+        s[i] ^= this->rk_[round * 16 + i];
+    }
+
+    for (uint8_t &b : s)
+      b = SBOX[b];
+    shift_rows(s);
+    for (size_t i = 0; i < 16; i++)
+      s[i] ^= this->rk_[160 + i];
+    memcpy(out, s, 16);
+  }
+
+ protected:
+  static void shift_rows(uint8_t s[16]) {
+    uint8_t t = s[1];
+    s[1] = s[5];
+    s[5] = s[9];
+    s[9] = s[13];
+    s[13] = t;
+    t = s[2];
+    s[2] = s[10];
+    s[10] = t;
+    t = s[6];
+    s[6] = s[14];
+    s[14] = t;
+    t = s[3];
+    s[3] = s[15];
+    s[15] = s[11];
+    s[11] = s[7];
+    s[7] = t;
+  }
+
+  uint8_t rk_[176];
+};
+
+}  // namespace
+
+void aes128_encrypt_block(const uint8_t key[16], const uint8_t in[16], uint8_t out[16]) {
+  Aes128 aes(key);
+  aes.encrypt(in, out);
+}
+
+bool aes_ccm_auth_decrypt(const uint8_t key[16], const uint8_t *nonce, size_t nonce_len, const uint8_t *aad,
+                          size_t aad_len, const uint8_t *ciphertext, size_t ct_len, uint8_t *plaintext,
+                          const uint8_t *tag, size_t tag_len) {
+  // CCM length field width L and tag width M (RFC 3610 §2.2). For a 13-byte
+  // nonce L = 2; BTHome uses M = 4.
+  if (nonce_len < 7 || nonce_len > 13 || tag_len < 4 || tag_len > 16)
+    return false;
+  const size_t l = 15 - nonce_len;
+  const size_t m = tag_len;
+
+  const Aes128 aes(key);
+
+  // Build CTR block A_i = [L-1] | nonce | counter(L bytes, big-endian).
+  uint8_t a[16];
+  auto build_ctr = [&](uint32_t counter) {
+    a[0] = static_cast<uint8_t>(l - 1);
+    memcpy(a + 1, nonce, nonce_len);
+    memset(a + 1 + nonce_len, 0, l);
+    for (size_t i = 0; i < l; i++)
+      a[15 - i] = static_cast<uint8_t>((counter >> (8 * i)) & 0xff);
+  };
+
+  // S_0 = E(A_0); its first m bytes mask the transmitted tag.
+  uint8_t s0[16];
+  build_ctr(0);
+  aes.encrypt(a, s0);
+
+  // CTR-decrypt ciphertext into plaintext using S_1, S_2, ...
+  uint8_t ks[16];
+  for (size_t off = 0; off < ct_len; off += 16) {
+    build_ctr(static_cast<uint32_t>(off / 16) + 1);
+    aes.encrypt(a, ks);
+    const size_t n = std::min(static_cast<size_t>(16), ct_len - off);
+    for (size_t i = 0; i < n; i++)
+      plaintext[off + i] = static_cast<uint8_t>(ciphertext[off + i] ^ ks[i]);
+  }
+
+  // CBC-MAC over B_0 | (formatted AAD) | plaintext.
+  uint8_t x[16];
+  uint8_t b0[16];
+  const uint8_t flags = static_cast<uint8_t>((aad_len > 0 ? 0x40 : 0x00) | (((m - 2) / 2) << 3) | (l - 1));
+  b0[0] = flags;
+  memcpy(b0 + 1, nonce, nonce_len);
+  memset(b0 + 1 + nonce_len, 0, l);
+  for (size_t i = 0; i < l; i++)
+    b0[15 - i] = static_cast<uint8_t>((ct_len >> (8 * i)) & 0xff);
+  aes.encrypt(b0, x);  // X_1 = E(B_0)
+
+  if (aad_len > 0) {
+    // Only the < 2^16-2^8 encoding is needed for BLE-sized AAD.
+    uint8_t blk[16] = {0};
+    blk[0] = static_cast<uint8_t>((aad_len >> 8) & 0xff);
+    blk[1] = static_cast<uint8_t>(aad_len & 0xff);
+    size_t ai = 0;
+    size_t pos = 2;
+    while (pos < 16 && ai < aad_len)
+      blk[pos++] = aad[ai++];
+    for (size_t i = 0; i < 16; i++)
+      x[i] ^= blk[i];
+    aes.encrypt(x, x);
+    while (ai < aad_len) {
+      memset(blk, 0, 16);
+      const size_t n = std::min(static_cast<size_t>(16), aad_len - ai);
+      memcpy(blk, aad + ai, n);
+      ai += n;
+      for (size_t i = 0; i < 16; i++)
+        x[i] ^= blk[i];
+      aes.encrypt(x, x);
+    }
+  }
+
+  for (size_t off = 0; off < ct_len; off += 16) {
+    uint8_t blk[16] = {0};
+    const size_t n = std::min(static_cast<size_t>(16), ct_len - off);
+    memcpy(blk, plaintext + off, n);
+    for (size_t i = 0; i < 16; i++)
+      x[i] ^= blk[i];
+    aes.encrypt(x, x);
+  }
+
+  // Expected tag U = T XOR S_0[0..m). Constant-time compare with the received tag.
+  uint8_t diff = 0;
+  for (size_t i = 0; i < m; i++)
+    diff |= static_cast<uint8_t>((x[i] ^ s0[i]) ^ tag[i]);
+  return diff == 0;
+}
+
+}  // namespace esphome::ble_device_base

esphome/components/ble_device_base/ble_aes_ccm.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+
+namespace esphome::ble_device_base {
+
+// Self-contained AES-128-CCM authenticated decryption (RFC 3610).
+//
+// Encrypted BLE advertisements (BTHome, several Xiaomi/ATC variants) use
+// AES-128-CCM. The platform crypto that provides it is inconsistent across BLE
+// targets: ESP-IDF exposes PSA/mbedtls, but a LibreTiny SDK may keep its mbedtls
+// internal (e.g. the beken-72xx SDK ships mbedtls with CCM enabled but does not
+// put it on the application include path), so a sensor cannot rely on
+// <mbedtls/ccm.h> being available. This software implementation makes
+// encrypted-advertisement decryption work on every BLE platform without a
+// per-chip crypto dependency. Decryption volume is tiny (one short block per
+// matching advertisement), so software AES is not a meaningful cost.
+//
+// Verifies the CCM authentication tag and, on success, writes `ct_len` decrypted
+// bytes to `plaintext` and returns true. Returns false when authentication fails
+// (the caller must then discard `plaintext`). The CCM parameters follow the
+// caller (BTHome: 13-byte nonce, 4-byte tag, no associated data); `aad` may be
+// null when `aad_len` is 0.
+/// AES-128 single-block encrypt (the same software cipher CCM uses). Used by
+/// ESPBTDevice::resolve_irk() for the Bluetooth "ah" RPA hash, so IRK matching
+/// works identically on every platform with no chip crypto dependency.
+void aes128_encrypt_block(const uint8_t key[16], const uint8_t in[16], uint8_t out[16]);
+
+bool aes_ccm_auth_decrypt(const uint8_t key[16], const uint8_t *nonce, size_t nonce_len, const uint8_t *aad,
+                          size_t aad_len, const uint8_t *ciphertext, size_t ct_len, uint8_t *plaintext,
+                          const uint8_t *tag, size_t tag_len);
+
+}  // namespace esphome::ble_device_base

esphome/components/ble_device_base/ble_device.cpp

@@ -0,0 +1,530 @@
+// ble_device.cpp
+//
+// Platform-neutral implementation of the shared BLE advertisement types.
+// Parses raw BLE advertisement data into ESPBTDevice.
+
+#include "ble_device.h"
+
+#include "ble_aes_ccm.h"
+
+#include "esphome/core/defines.h"
+#include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
+
+#include <cstring>
+
+namespace esphome::ble_device_base {
+
+static const char *const TAG = "ble_device_base";
+
+// Longest advertisement payload worth hex-dumping at VERY_VERBOSE
+// (legacy advertising: 31-byte adv + 31-byte scan response).
+static constexpr size_t BLE_ADV_MAX_LOG_BYTES = 62;
+
+// ---------------------------------------------------------------------------
+// ESPBTUUID
+// ---------------------------------------------------------------------------
+
+ESPBTUUID ESPBTUUID::from_uint16(uint16_t uuid) {
+  ESPBTUUID ret;
+  ret.type_ = Type::UUID16;
+  ret.uuid_.uuid16 = uuid;
+  return ret;
+}
+
+ESPBTUUID ESPBTUUID::from_uint32(uint32_t uuid) {
+  ESPBTUUID ret;
+  ret.type_ = Type::UUID32;
+  ret.uuid_.uuid32 = uuid;
+  return ret;
+}
+
+ESPBTUUID ESPBTUUID::from_raw(const uint8_t *data) {
+  ESPBTUUID ret;
+  ret.type_ = Type::UUID128;
+  memcpy(ret.uuid_.uuid128, data, 16);
+  return ret;
+}
+
+ESPBTUUID ESPBTUUID::from_raw_reversed(const uint8_t *data) {
+  ESPBTUUID ret;
+  ret.type_ = Type::UUID128;
+  for (int i = 0; i < 16; i++)
+    ret.uuid_.uuid128[i] = data[15 - i];
+  return ret;
+}
+
+ESPBTUUID ESPBTUUID::from_raw(const char *data, size_t length) {
+  // Same text-parsing semantics as the historical esp32_ble::ESPBTUUID::from_raw.
+  ESPBTUUID ret;
+  if (length == 4) {
+    // 16-bit UUID as 4-character hex string
+    auto parsed = parse_hex<uint16_t>(data, length);
+    if (parsed.has_value()) {
+      ret.type_ = Type::UUID16;
+      ret.uuid_.uuid16 = parsed.value();
+    }
+  } else if (length == 8) {
+    // 32-bit UUID as 8-character hex string
+    auto parsed = parse_hex<uint32_t>(data, length);
+    if (parsed.has_value()) {
+      ret.type_ = Type::UUID32;
+      ret.uuid_.uuid32 = parsed.value();
+    }
+  } else if (length == 16) {
+    // 16 raw bytes (little-endian 128-bit UUID)
+    ret.type_ = Type::UUID128;
+    memcpy(ret.uuid_.uuid128, reinterpret_cast<const uint8_t *>(data), 16);
+  } else if (length == 36) {
+    // Dashed text form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
+    ret.type_ = Type::UUID128;
+    int n = 0;
+    for (size_t i = 0; i < length; i += 2) {
+      if (data[i] == '-')
+        i++;
+      uint8_t msb = data[i];
+      uint8_t lsb = data[i + 1];
+      if (msb > '9')
+        msb -= 7;
+      if (lsb > '9')
+        lsb -= 7;
+      ret.uuid_.uuid128[15 - n++] = ((msb & 0x0F) << 4) | (lsb & 0x0F);
+    }
+  } else {
+    ESP_LOGE(TAG, "ERROR: UUID value not 4, 8, 16 or 36 bytes - %s", data);
+  }
+  return ret;
+}
+
+#ifdef USE_ESP32
+ESPBTUUID ESPBTUUID::from_uuid(esp_bt_uuid_t uuid) {
+  if (uuid.len == ESP_UUID_LEN_16)
+    return ESPBTUUID::from_uint16(uuid.uuid.uuid16);
+  if (uuid.len == ESP_UUID_LEN_32)
+    return ESPBTUUID::from_uint32(uuid.uuid.uuid32);
+  return ESPBTUUID::from_raw(uuid.uuid.uuid128);
+}
+
+esp_bt_uuid_t ESPBTUUID::get_uuid() const {
+  esp_bt_uuid_t ret;
+  switch (this->type_) {
+    case Type::UUID16:
+      ret.len = ESP_UUID_LEN_16;
+      ret.uuid.uuid16 = this->uuid_.uuid16;
+      break;
+    case Type::UUID32:
+      ret.len = ESP_UUID_LEN_32;
+      ret.uuid.uuid32 = this->uuid_.uuid32;
+      break;
+    default:
+    case Type::UUID128:
+      ret.len = ESP_UUID_LEN_128;
+      memcpy(ret.uuid.uuid128, this->uuid_.uuid128, ESP_UUID_LEN_128);
+      break;
+  }
+  return ret;
+}
+
+void ESPBTDevice::parse_scan_rst(const esp32_ble::BLEScanResult &scan_result) {
+  this->scan_result_ = &scan_result;
+  // BLEScanResult's bda is most-significant octet first; the neutral ingest
+  // takes the BLE controller (LSB-first) order, so reverse — address_uint64()/
+  // address_str() then produce exactly the historical esp32 values.
+  uint8_t mac_lsb_first[6];
+  for (uint8_t i = 0; i < 6; i++)
+    mac_lsb_first[i] = scan_result.bda[5 - i];
+  this->from_scan_result(mac_lsb_first, scan_result.rssi, scan_result.ble_addr_type, scan_result.ble_adv,
+                         scan_result.adv_data_len + scan_result.scan_rsp_len);
+}
+#endif  // USE_ESP32
+
+ESPBTUUID ESPBTUUID::as_128bit() const {
+  if (this->type_ == Type::UUID128)
+    return *this;
+  uint8_t data[16];
+  this->to_128bit_(data);
+  return ESPBTUUID::from_raw(data);
+}
+
+bool ESPBTUUID::contains(uint8_t data1, uint8_t data2) const {
+  // Adjacent byte-pair search — identical semantics to esp32_ble::ESPBTUUID::contains.
+  switch (this->type_) {
+    case Type::UUID16:
+      return (this->uuid_.uuid16 >> 8) == data2 && (this->uuid_.uuid16 & 0xFF) == data1;
+    case Type::UUID32:
+      for (uint8_t i = 0; i < 3; i++) {
+        bool a = ((this->uuid_.uuid32 >> i * 8) & 0xFF) == data1;
+        bool b = ((this->uuid_.uuid32 >> (i + 1) * 8) & 0xFF) == data2;
+        if (a && b)
+          return true;
+      }
+      return false;
+    case Type::UUID128:
+      for (uint8_t i = 0; i < 15; i++) {
+        if (this->uuid_.uuid128[i] == data1 && this->uuid_.uuid128[i + 1] == data2)
+          return true;
+      }
+      return false;
+  }
+  return false;
+}
+
+const char *ESPBTUUID::to_str(char *buf) const {
+  // Identical output format to esp32_ble::ESPBTUUID::to_str.
+  char *pos = buf;
+  switch (this->type_) {
+    case Type::UUID16:
+      *pos++ = '0';
+      *pos++ = 'x';
+      *pos++ = format_hex_pretty_char(this->uuid_.uuid16 >> 12);
+      *pos++ = format_hex_pretty_char((this->uuid_.uuid16 >> 8) & 0x0F);
+      *pos++ = format_hex_pretty_char((this->uuid_.uuid16 >> 4) & 0x0F);
+      *pos++ = format_hex_pretty_char(this->uuid_.uuid16 & 0x0F);
+      *pos = 0;  // NUL-terminate
+      return buf;
+    case Type::UUID32:
+      *pos++ = '0';
+      *pos++ = 'x';
+      for (int shift = 28; shift >= 0; shift -= 4)
+        *pos++ = format_hex_pretty_char((this->uuid_.uuid32 >> shift) & 0x0F);
+      *pos = 0;  // NUL-terminate
+      return buf;
+    default:
+    case Type::UUID128:
+      // Format: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
+      for (int8_t i = 15; i >= 0; i--) {
+        uint8_t byte = this->uuid_.uuid128[i];
+        *pos++ = format_hex_pretty_char(byte >> 4);
+        *pos++ = format_hex_pretty_char(byte & 0x0F);
+        if (i == 12 || i == 10 || i == 8 || i == 6)
+          *pos++ = '-';
+      }
+      *pos = 0;  // NUL-terminate
+      return buf;
+  }
+}
+
+void ESPBTUUID::to_128bit_(uint8_t out[16]) const {
+  // Bluetooth Base UUID 00000000-0000-1000-8000-00805F9B34FB (LSB-first), with the 16/32-bit
+  // value placed at bytes 12..; identical expansion to esp32_ble::ESPBTUUID::as_128bit().
+  static const uint8_t BASE[16] = {0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80,
+                                   0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+  if (this->type_ == Type::UUID128) {
+    memcpy(out, this->uuid_.uuid128, 16);
+    return;
+  }
+  memcpy(out, BASE, 16);
+  const uint32_t value = (this->type_ == Type::UUID32) ? this->uuid_.uuid32 : this->uuid_.uuid16;
+  const size_t len = (this->type_ == Type::UUID32) ? 4 : 2;
+  for (size_t i = 0; i < len; i++)
+    out[12 + i] = (value >> (i * 8)) & 0xFF;
+}
+
+bool ESPBTUUID::operator==(const ESPBTUUID &other) const {
+  if (this->type_ == other.type_) {
+    switch (this->type_) {
+      case Type::UUID16:
+        return this->uuid_.uuid16 == other.uuid_.uuid16;
+      case Type::UUID32:
+        return this->uuid_.uuid32 == other.uuid_.uuid32;
+      case Type::UUID128:
+        return memcmp(this->uuid_.uuid128, other.uuid_.uuid128, 16) == 0;
+    }
+    return false;
+  }
+  // Different widths: expand both to the 128-bit Bluetooth Base UUID form and compare, so a
+  // configured 16/32-bit UUID matches the equivalent 128-bit advertisement (esp32 parity).
+  uint8_t a[16];
+  uint8_t b[16];
+  this->to_128bit_(a);
+  other.to_128bit_(b);
+  return memcmp(a, b, 16) == 0;
+}
+
+// ---------------------------------------------------------------------------
+// ESPBLEiBeacon
+// ---------------------------------------------------------------------------
+
+ESPBLEiBeacon::ESPBLEiBeacon(const uint8_t *data) { memcpy(&this->beacon_data_, data, sizeof(this->beacon_data_)); }
+
+optional<ESPBLEiBeacon> ESPBLEiBeacon::from_manufacturer_data(const ServiceData &data) {
+  // iBeacon manufacturer specific data (after company-ID bytes have been stripped):
+  //   [0x02][0x15][16-byte UUID][2-byte major][2-byte minor][1-byte power] = exactly 23 bytes
+  // Parity with esp32_ble_tracker: gate on the Apple company ID and length only.
+  // (Checking the 0x02/0x15 sub-type prefix would be stricter, but is a behavior
+  // change; it belongs to a follow-up, not this refactor.)
+  if (!data.uuid.contains(0x4C, 0x00))  // Apple company ID 0x004C
+    return {};
+  if (data.data.size() != 23)
+    return {};
+  return ESPBLEiBeacon(data.data.data());
+}
+
+// ---------------------------------------------------------------------------
+// ESPBTDevice
+// ---------------------------------------------------------------------------
+
+const char *ESPBTDevice::address_type_str() const {
+  switch (this->address_type_) {
+    case BLE_ADDR_TYPE_PUBLIC:
+      return "PUBLIC";
+    case BLE_ADDR_TYPE_RANDOM:
+      return "RANDOM";
+    case BLE_ADDR_TYPE_RPA_PUBLIC:
+      return "RPA_PUBLIC";
+    case BLE_ADDR_TYPE_RPA_RANDOM:
+      return "RPA_RANDOM";
+    default:
+      return "UNKNOWN";
+  }
+}
+
+void ESPBTDevice::from_scan_result(const uint8_t *mac, int rssi, uint8_t addr_type, const uint8_t *data,
+                                   uint16_t data_len) {
+  // Ingest is BLE controller order (LSB-first); store in printable (MSB-first)
+  // order so the raw address() accessor matches the historical esp32 layout.
+  for (uint8_t i = 0; i < 6; i++)
+    this->address_[i] = mac[5 - i];
+  this->address_type_ = addr_type;
+  this->rssi_ = rssi;
+  this->name_.clear();
+  this->service_uuids_.clear();
+  this->manufacturer_datas_.clear();
+  this->service_datas_.clear();
+  this->tx_powers_.clear();
+  this->appearance_.reset();
+  this->ad_flag_.reset();
+  this->parse_adv_(data, data_len);
+
+#ifdef ESPHOME_LOG_HAS_VERY_VERBOSE
+  char addr_buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
+  ESP_LOGVV(TAG,
+            "Parse Result:\n"
+            "  Address: %s (%s)\n"
+            "  RSSI: %d\n"
+            "  Name: '%s'",
+            this->address_str_to(addr_buf), this->address_type_str(), this->rssi_, this->name_.c_str());
+  for (auto &it : this->tx_powers_) {
+    ESP_LOGVV(TAG, "  TX Power: %d", it);
+  }
+  if (this->appearance_.has_value()) {
+    ESP_LOGVV(TAG, "  Appearance: %u", *this->appearance_);
+  }
+  if (this->ad_flag_.has_value()) {
+    ESP_LOGVV(TAG, "  Ad Flag: %u", *this->ad_flag_);
+  }
+  char uuid_buf[UUID_STR_LEN];
+  for (auto &uuid : this->service_uuids_) {
+    ESP_LOGVV(TAG, "  Service UUID: %s", uuid.to_str(uuid_buf));
+  }
+  char hex_buf[format_hex_pretty_size(BLE_ADV_MAX_LOG_BYTES)];
+  for (auto &mfg_data : this->manufacturer_datas_) {
+    auto ibeacon = ESPBLEiBeacon::from_manufacturer_data(mfg_data);
+    if (ibeacon.has_value()) {
+      ESP_LOGVV(TAG,
+                "  Manufacturer iBeacon:\n"
+                "    UUID: %s\n"
+                "    Major: %u\n"
+                "    Minor: %u\n"
+                "    TXPower: %d",
+                ibeacon.value().get_uuid().to_str(uuid_buf), ibeacon.value().get_major(), ibeacon.value().get_minor(),
+                ibeacon.value().get_signal_power());
+    } else {
+      ESP_LOGVV(TAG, "  Manufacturer ID: %s, data: %s", mfg_data.uuid.to_str(uuid_buf),
+                format_hex_pretty_to(hex_buf, mfg_data.data.data(), mfg_data.data.size()));
+    }
+  }
+  for (auto &svc_data : this->service_datas_) {
+    ESP_LOGVV(TAG,
+              "  Service data:\n"
+              "    UUID: %s\n"
+              "    Data: %s",
+              svc_data.uuid.to_str(uuid_buf),
+              format_hex_pretty_to(hex_buf, svc_data.data.data(), svc_data.data.size()));
+  }
+  ESP_LOGVV(TAG, "  Adv data: %s", format_hex_pretty_to(hex_buf, data, data_len));
+#endif  // ESPHOME_LOG_HAS_VERY_VERBOSE
+}
+
+std::string ESPBTDevice::address_str() const {
+  char buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
+  return std::string(this->address_str_to(buf));
+}
+
+const char *ESPBTDevice::address_str_to(char *buf) const {
+  // address_ is stored in printable (MSB-first) order.
+  format_mac_addr_upper(this->address_, buf);
+  return buf;
+}
+
+uint64_t ESPBTDevice::address_uint64() const {
+  // address_ is MSB-first; byte 0 of the result is the LSB (esp32 semantics).
+  uint64_t addr = 0;
+  for (int i = 0; i < 6; i++)
+    addr |= static_cast<uint64_t>(this->address_[i]) << ((5 - i) * 8);
+  return addr;
+}
+
+bool ESPBTDevice::resolve_irk(const uint8_t *irk) const {
+#ifdef USE_BLE_DEVICE_IRK
+  // Bluetooth Core 5.x "ah" function: hash = e(IRK, padding | prand)[low 24 bits].
+  // The resolvable private address is prand (top 3 bytes) | hash (bottom 3 bytes).
+  // Uses the portable software AES-128 shared with the CCM decryptor, so IRK
+  // matching behaves identically on every platform (volume is one block per
+  // advertisement from a matching RPA device — software AES is not a cost).
+  uint8_t ecb_plaintext[16] = {0};
+  uint8_t ecb_ciphertext[16];
+  const uint64_t addr64 = this->address_uint64();
+  ecb_plaintext[13] = (addr64 >> 40) & 0xff;
+  ecb_plaintext[14] = (addr64 >> 32) & 0xff;
+  ecb_plaintext[15] = (addr64 >> 24) & 0xff;
+  aes128_encrypt_block(irk, ecb_plaintext, ecb_ciphertext);
+  return ecb_ciphertext[15] == (addr64 & 0xff) && ecb_ciphertext[14] == ((addr64 >> 8) & 0xff) &&
+         ecb_ciphertext[13] == ((addr64 >> 16) & 0xff);
+#else
+  // No sensor configured an irk: in this build; the AES core is compiled out.
+  (void) irk;
+  return false;
+#endif
+}
+
+void ESPBTDevice::parse_adv_(const uint8_t *payload, uint16_t len) {
+  // BLE AD structure TLV: [length][type][value...]
+  // length includes the type byte.
+  uint16_t offset = 0;
+  while (offset < len) {
+    uint8_t ad_len = payload[offset++];
+    if (ad_len == 0)
+      continue;  // possible zero-padded advertisement data (esp32_ble_tracker skips these too)
+    if (offset + ad_len > len)
+      break;
+    uint8_t ad_type = payload[offset];
+    const uint8_t *ad_data = &payload[offset + 1];
+    uint8_t ad_data_len = ad_len - 1;
+    offset += ad_len;
+
+    switch (ad_type) {
+      case 0x01:  // Flags
+        if (ad_data_len >= 1)
+          this->ad_flag_ = ad_data[0];
+        break;
+
+      case 0x08:  // Shortened Local Name
+      case 0x09:  // Complete Local Name
+        // Keep the longest name seen — a merged adv + scan-response frame may carry both the
+        // shortened and the complete name, and the shortened form must never replace the
+        // complete one (same rule as esp32_ble_tracker's parse_adv_).
+        if (ad_data_len > this->name_.length())
+          this->name_.assign(reinterpret_cast<const char *>(ad_data), ad_data_len);
+        break;
+
+      case 0x0A:  // TX Power Level
+        if (ad_data_len >= 1)
+          this->tx_powers_.push_back(static_cast<int8_t>(ad_data[0]));
+        break;
+
+      case 0x19:  // Appearance
+        if (ad_data_len >= 2)
+          this->appearance_ = static_cast<uint16_t>(ad_data[0]) | (static_cast<uint16_t>(ad_data[1]) << 8);
+        break;
+
+      case 0x02:  // Incomplete List of 16-bit Service UUIDs
+      case 0x03:  // Complete List of 16-bit Service UUIDs
+        for (uint8_t i = 0; (i + 1) < ad_data_len; i += 2) {
+          uint16_t uuid = (static_cast<uint16_t>(ad_data[i + 1]) << 8) | ad_data[i];
+          this->service_uuids_.push_back(ESPBTUUID::from_uint16(uuid));
+        }
+        break;
+
+      case 0x04:  // Incomplete List of 32-bit Service UUIDs
+      case 0x05:  // Complete List of 32-bit Service UUIDs
+        for (uint8_t i = 0; (i + 3) < ad_data_len; i += 4) {
+          uint32_t uuid = (static_cast<uint32_t>(ad_data[i + 3]) << 24) |
+                          (static_cast<uint32_t>(ad_data[i + 2]) << 16) | (static_cast<uint32_t>(ad_data[i + 1]) << 8) |
+                          ad_data[i];
+          this->service_uuids_.push_back(ESPBTUUID::from_uint32(uuid));
+        }
+        break;
+
+      case 0x06:  // Incomplete List of 128-bit Service UUIDs
+      case 0x07:  // Complete List of 128-bit Service UUIDs
+        for (uint8_t i = 0; (i + 15) < ad_data_len; i += 16)
+          this->service_uuids_.push_back(ESPBTUUID::from_raw(&ad_data[i]));
+        break;
+
+      case 0xFF:  // Manufacturer Specific Data
+        if (ad_data_len >= 2) {
+          uint16_t company_id = (static_cast<uint16_t>(ad_data[1]) << 8) | ad_data[0];
+          ServiceData sd;
+          sd.uuid = ESPBTUUID::from_uint16(company_id);
+          sd.data.assign(ad_data + 2, ad_data + ad_data_len);
+          this->manufacturer_datas_.push_back(std::move(sd));
+        }
+        break;
+
+      case 0x16:  // Service Data — 16-bit UUID
+        if (ad_data_len >= 2) {
+          uint16_t uuid = (static_cast<uint16_t>(ad_data[1]) << 8) | ad_data[0];
+          ServiceData sd;
+          sd.uuid = ESPBTUUID::from_uint16(uuid);
+          sd.data.assign(ad_data + 2, ad_data + ad_data_len);
+          this->service_datas_.push_back(std::move(sd));
+        }
+        break;
+
+      case 0x20:  // Service Data — 32-bit UUID
+        if (ad_data_len >= 4) {
+          uint32_t uuid = (static_cast<uint32_t>(ad_data[3]) << 24) | (static_cast<uint32_t>(ad_data[2]) << 16) |
+                          (static_cast<uint32_t>(ad_data[1]) << 8) | ad_data[0];
+          ServiceData sd;
+          sd.uuid = ESPBTUUID::from_uint32(uuid);
+          sd.data.assign(ad_data + 4, ad_data + ad_data_len);
+          this->service_datas_.push_back(std::move(sd));
+        }
+        break;
+
+      case 0x21:  // Service Data — 128-bit UUID
+        if (ad_data_len >= 16) {
+          ServiceData sd;
+          sd.uuid = ESPBTUUID::from_raw(ad_data);
+          sd.data.assign(ad_data + 16, ad_data + ad_data_len);
+          this->service_datas_.push_back(std::move(sd));
+        }
+        break;
+
+      default:
+        break;
+    }
+  }
+}
+
+// ---------------------------------------------------------------------------
+// DiscoveredDeviceLog
+// ---------------------------------------------------------------------------
+
+void DiscoveredDeviceLog::log_device(const char *tag, const ESPBTDevice &device) {
+#ifdef ESPHOME_LOG_HAS_DEBUG
+  // Everything here feeds ESP_LOGD: below DEBUG the whole body (including the
+  // dedup vector growth) would be pure overhead, so compile it out entirely.
+  const uint64_t address = device.address_uint64();
+  for (auto &disc : this->already_discovered_) {
+    if (disc == address)
+      return;
+  }
+  this->already_discovered_.push_back(address);
+
+  char addr_buf[ESPBTDevice::MAC_ADDRESS_PRETTY_BUFFER_SIZE];
+  ESP_LOGD(tag,
+           "Found device %s RSSI=%d\n"
+           "  Address Type: %s",
+           device.address_str_to(addr_buf), device.get_rssi(), device.address_type_str());
+  if (!device.get_name().empty()) {
+    ESP_LOGD(tag, "  Name: '%s'", device.get_name().c_str());
+  }
+  for (auto &tx_power : device.get_tx_powers()) {
+    ESP_LOGD(tag, "  TX Power: %d", tx_power);
+  }
+#endif  // ESPHOME_LOG_HAS_DEBUG
+}
+
+}  // namespace esphome::ble_device_base

esphome/components/ble_device_base/ble_device.h

@@ -0,0 +1,274 @@
+// ble_device.h
+//
+// Platform-neutral BLE advertisement types — the generic base every BLE consumer
+// (sensor components, bluetooth_proxy, automation triggers) builds against:
+//   ESPBTUUID / ServiceData / ESPBLEiBeacon / ESPBTDevice / ESPBTDeviceListener
+//
+// These types are owned here on EVERY platform, with no chip-SDK types in their
+// public surface. Platform trackers produce them:
+//   - esp32_ble_tracker adapts ESP-IDF scan results into ESPBTDevice and
+//     re-exports these names (esp32 only) for backward compatibility;
+//   - the LibreTiny trackers (bk72xx / ln882h) feed from_scan_result() directly.
+
+#pragma once
+
+#include "esphome/core/defines.h"
+#include "esphome/core/helpers.h"
+
+#include <cstdint>
+#include <cstring>
+#include <initializer_list>
+#include <string>
+#include <vector>
+
+#if defined(__cpp_lib_span)
+#include <span>
+#endif
+
+#ifdef USE_ESP32
+// Historical esp32_ble API surface (below, under the same define) uses the
+// ESP-IDF UUID/address/scan-result types directly; never referenced off-esp32.
+#include "esphome/components/esp32_ble/ble_scan_result.h"
+#include <esp_bt_defs.h>
+#endif
+
+namespace esphome::ble_device_base {
+
+using adv_data_t = std::vector<uint8_t>;
+
+// Bluetooth Core address types (spec values; matches ESP-IDF's esp_ble_addr_type_t).
+static constexpr uint8_t BLE_ADDR_TYPE_PUBLIC = 0;
+static constexpr uint8_t BLE_ADDR_TYPE_RANDOM = 1;
+static constexpr uint8_t BLE_ADDR_TYPE_RPA_PUBLIC = 2;
+static constexpr uint8_t BLE_ADDR_TYPE_RPA_RANDOM = 3;
+
+/// Buffer size for UUID string: "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX\0"
+static constexpr size_t UUID_STR_LEN = 37;
+
+// ---------------------------------------------------------------------------
+// ESPBTUUID — 16/32/128-bit Bluetooth UUID value type.
+// API-compatible with the historical esp32_ble::ESPBTUUID; the esp_bt_uuid_t
+// conversions live in esp32_ble (esp32-only adapters), not here.
+// ---------------------------------------------------------------------------
+
+class ESPBTUUID {
+ public:
+  ESPBTUUID() = default;
+
+  static ESPBTUUID from_uint16(uint16_t uuid);
+  static ESPBTUUID from_uint32(uint32_t uuid);
+  /// Construct from raw 16-byte little-endian UUID.
+  static ESPBTUUID from_raw(const uint8_t *data);
+  /// Construct from raw 16-byte big-endian UUID (reversed on store).
+  static ESPBTUUID from_raw_reversed(const uint8_t *data);
+  /// Parse from text: 4 hex chars (16-bit), 8 hex chars (32-bit), 16 raw bytes,
+  /// or the 36-char dashed UUID form. Same semantics as esp32_ble historically.
+  static ESPBTUUID from_raw(const char *data, size_t length);
+  static ESPBTUUID from_raw(const char *data) { return from_raw(data, strlen(data)); }
+  static ESPBTUUID from_raw(const std::string &data) { return from_raw(data.c_str(), data.length()); }
+  static ESPBTUUID from_raw(std::initializer_list<uint8_t> data) {
+    return from_raw(reinterpret_cast<const char *>(data.begin()), data.size());
+  }
+
+#ifdef USE_ESP32
+  /// Source compatibility with the historical esp32_ble API (esp32 builds only).
+  static ESPBTUUID from_uuid(esp_bt_uuid_t uuid);
+  esp_bt_uuid_t get_uuid() const;
+#endif
+
+  /// Expand to the 128-bit Bluetooth Base UUID form.
+  ESPBTUUID as_128bit() const;
+
+  /// True if the UUID value contains the adjacent byte pair (data1, data2).
+  bool contains(uint8_t data1, uint8_t data2) const;
+
+  bool operator==(const ESPBTUUID &other) const;
+  bool operator!=(const ESPBTUUID &other) const { return !(*this == other); }
+
+  /// Write "0xABCD" / "0xABCDEF01" / the dashed 128-bit form into buf
+  /// (>= UUID_STR_LEN bytes) and return buf.
+  const char *to_str(char *buf) const;
+#if defined(__cpp_lib_span)
+  const char *to_str(std::span<char, UUID_STR_LEN> output) const { return this->to_str(output.data()); }
+#endif
+  enum class Type : uint8_t { UUID16, UUID32, UUID128 };
+  Type type() const { return this->type_; }
+  uint16_t uuid16() const { return this->uuid_.uuid16; }
+  uint32_t uuid32() const { return this->uuid_.uuid32; }
+  const uint8_t *uuid128() const { return this->uuid_.uuid128; }
+
+ protected:
+  // Expand to the 128-bit Bluetooth Base UUID byte form (out is 16 bytes, little-endian).
+  void to_128bit_(uint8_t out[16]) const;
+
+  Type type_{Type::UUID16};
+  union {
+    uint16_t uuid16;
+    uint32_t uuid32;
+    uint8_t uuid128[16];
+  } uuid_{};
+};
+
+// ---------------------------------------------------------------------------
+// ServiceData — UUID-tagged advertisement payload (0x16 / 0xFF AD types)
+// ---------------------------------------------------------------------------
+
+struct ServiceData {
+  ESPBTUUID uuid;
+  adv_data_t data;
+};
+
+// ---------------------------------------------------------------------------
+// ESPBLEiBeacon
+// ---------------------------------------------------------------------------
+
+class ESPBLEiBeacon {
+ public:
+  ESPBLEiBeacon() { memset(&this->beacon_data_, 0, sizeof(this->beacon_data_)); }
+  explicit ESPBLEiBeacon(const uint8_t *data);
+  static optional<ESPBLEiBeacon> from_manufacturer_data(const ServiceData &data);
+
+  uint16_t get_major() const { return byteswap(this->beacon_data_.major); }
+  uint16_t get_minor() const { return byteswap(this->beacon_data_.minor); }
+  int8_t get_signal_power() const { return this->beacon_data_.signal_power; }
+  ESPBTUUID get_uuid() const { return ESPBTUUID::from_raw_reversed(this->beacon_data_.proximity_uuid); }
+
+ protected:
+  struct PACKED BeaconData {
+    uint8_t sub_type;
+    uint8_t length;
+    uint8_t proximity_uuid[16];
+    uint16_t major;
+    uint16_t minor;
+    int8_t signal_power;
+  } beacon_data_;
+};
+
+/// Pack a controller-order (LSB-first) MAC into the uint64 the API speaks.
+///
+/// The result is the printable-order value esp32 has always sent
+/// (esp32_ble::ble_addr_to_uint64), so both proxy paths agree on the wire.
+/// This takes the raw controller order delivered by BLEHub's raw-advertisement
+/// callback; ESPBTDevice::address_uint64() is the equivalent for an already
+/// parsed device, whose address is stored MSB-first.
+inline uint64_t mac_lsb_first_to_uint64(const uint8_t *mac) {
+  uint64_t addr = 0;
+  for (int i = 0; i < 6; i++)
+    addr |= static_cast<uint64_t>(mac[i]) << (i * 8);
+  return addr;
+}
+
+// ---------------------------------------------------------------------------
+// ESPBTDevice — parsed BLE advertisement
+// ---------------------------------------------------------------------------
+
+class ESPBTDevice {
+ public:
+  /// Populate from a raw scan result delivered by a BLE tracker backend.
+  /// mac is least-significant octet first (BLE controller convention).
+  void from_scan_result(const uint8_t *mac, int rssi, uint8_t addr_type, const uint8_t *data, uint16_t data_len);
+
+  // Alias the core constant so the two cannot drift apart.
+  static constexpr size_t MAC_ADDRESS_PRETTY_BUFFER_SIZE = esphome::MAC_ADDRESS_PRETTY_BUFFER_SIZE;
+
+  /// Return MAC as "XX:XX:XX:XX:XX:XX" string.
+  std::string address_str() const;
+  /// Buffer overload: writes "XX:XX:XX:XX:XX:XX\0" into buf (>= 18 bytes), returns buf.
+  const char *address_str_to(char *buf) const;
+#if defined(__cpp_lib_span)
+  const char *address_str_to(std::span<char, MAC_ADDRESS_PRETTY_BUFFER_SIZE> buf) const {
+    return this->address_str_to(buf.data());
+  }
+#endif
+  /// Return MAC as packed uint64 (byte 0 in LSB — matches esp32's address_uint64).
+  uint64_t address_uint64() const;
+  /// Raw MAC bytes in printable (MSB-first) order — matches the historical
+  /// esp32 layout (ESP-IDF bda order).
+  const uint8_t *address() const { return address_; }
+#ifdef USE_ESP32
+  // Historical esp32 signature: consumers assign the result to esp_ble_addr_type_t.
+  esp_ble_addr_type_t get_address_type() const { return static_cast<esp_ble_addr_type_t>(this->address_type_); }
+  /// Historical esp32 ingest (esp32 builds only): parse an ESP-IDF scan result.
+  void parse_scan_rst(const esp32_ble::BLEScanResult &scan_result);
+  // Exposed through a function for use in lambdas
+  const esp32_ble::BLEScanResult &get_scan_result() const { return *scan_result_; }
+#else
+  uint8_t get_address_type() const { return this->address_type_; }
+#endif
+  /// Human-readable address type ("PUBLIC", "RANDOM", "RPA_PUBLIC", "RPA_RANDOM" or
+  /// "UNKNOWN"), backed by the shared BLE_ADDR_TYPE_* constants above.
+  const char *address_type_str() const;
+
+  int get_rssi() const { return rssi_; }
+  const std::string &get_name() const { return name_; }
+
+  const std::vector<ESPBTUUID> &get_service_uuids() const { return service_uuids_; }
+  const std::vector<ServiceData> &get_manufacturer_datas() const { return manufacturer_datas_; }
+  const std::vector<ServiceData> &get_service_datas() const { return service_datas_; }
+  const std::vector<int8_t> &get_tx_powers() const { return tx_powers_; }
+  const optional<uint16_t> &get_appearance() const { return appearance_; }
+  const optional<uint8_t> &get_ad_flag() const { return ad_flag_; }
+
+  /// Resolve a Resolvable Private Address against a 16-byte IRK (Bluetooth "ah"
+  /// function, AES-128). Uses the portable software AES shared with the CCM
+  /// decryptor; compiled only when a sensor configures irk: (request_irk_support).
+  bool resolve_irk(const uint8_t *irk) const;
+
+  optional<ESPBLEiBeacon> get_ibeacon() const {
+    for (const auto &it : this->manufacturer_datas_) {
+      auto res = ESPBLEiBeacon::from_manufacturer_data(it);
+      if (res.has_value())
+        return res;
+    }
+    return {};
+  }
+
+ protected:
+  void parse_adv_(const uint8_t *payload, uint16_t len);
+
+  uint8_t address_[6]{0};
+  uint8_t address_type_{0};
+  int rssi_{0};
+  std::string name_{};
+  std::vector<ESPBTUUID> service_uuids_{};
+  std::vector<ServiceData> manufacturer_datas_{};
+  std::vector<ServiceData> service_datas_{};
+#ifdef USE_ESP32
+  const esp32_ble::BLEScanResult *scan_result_{nullptr};
+#endif
+  std::vector<int8_t> tx_powers_{};
+  optional<uint16_t> appearance_{};
+  optional<uint8_t> ad_flag_{};
+};
+
+// ---------------------------------------------------------------------------
+// DiscoveredDeviceLog — shared per-scan-period "Found device" DEBUG logger
+// ---------------------------------------------------------------------------
+
+/// Per-scan-period "Found device" DEBUG logger, deduplicated by MAC address.
+/// Shared by all tracker backends so the output format and dedup behaviour stay
+/// identical by construction (single implementation instead of per-chip copies).
+class DiscoveredDeviceLog {
+ public:
+  /// Log the device at DEBUG the first time its MAC is seen this scan period.
+  void log_device(const char *tag, const ESPBTDevice &device);
+  /// Reset the per-period dedup list (call when a scan period ends).
+  void clear() { this->already_discovered_.clear(); }
+
+ protected:
+  std::vector<uint64_t> already_discovered_;
+};
+
+// ---------------------------------------------------------------------------
+// ESPBTDeviceListener — base class for BLE consumers (sensors, proxy, triggers)
+// ---------------------------------------------------------------------------
+
+class ESPBTDeviceListener {
+ public:
+  virtual ~ESPBTDeviceListener() = default;
+  /// Called at the end of each scan duration period.
+  virtual void on_scan_end() {}
+  virtual bool parse_device(const ESPBTDevice &device) = 0;
+};
+
+}  // namespace esphome::ble_device_base

esphome/components/ble_device_base/ble_hub.h

@@ -0,0 +1,84 @@
+// ble_hub.h
+//
+// BLEHub — the platform-neutral BLE tracker contract.
+//
+// Every BLE tracker component (esp32_ble_tracker, bk72xx_ble_tracker,
+// ln882h_ble_tracker, future chips) implements this interface; every BLE
+// consumer (sensor components, bluetooth_proxy) binds to it — in YAML via
+// `cv.use_id(BLEHub)`, which resolves whichever tracker the config declares.
+// Adding a new BLE chip therefore requires only a new tracker component that
+// implements BLEHub: no consumer, registry, or base changes.
+//
+// Chip differences are expressed as data (HubCapabilities), never as
+// platform conditionals in consumers.
+
+#pragma once
+
+#include "ble_device.h"
+
+#include <cstdint>
+
+namespace esphome::ble_device_base {
+
+/// One raw advertisement as delivered by the controller — a borrowed view,
+/// valid only for the duration of the invoke() callback.
+struct RawAdvertisement {
+  /// Least-significant octet first (BLE controller convention).
+  const uint8_t *mac;
+  const uint8_t *data;
+  uint16_t data_len;
+  int8_t rssi;  // signed dBm
+  uint8_t addr_type;
+};
+
+/// Subscriber slot for the raw-advertisement stream (the bluetooth_proxy
+/// path). The hub delivers on the ESPHome main loop. Same shape as
+/// logger.h's LogCallback: an instance pointer plus a plain function
+/// pointer — no virtuals, no std::function.
+///
+/// Usage:
+///   hub->set_raw_advertisement_callback({this, [](void *self, const RawAdvertisement &adv) {
+///     static_cast<MyComponent *>(self)->on_raw_advertisement(adv);
+///   }});
+struct RawAdvertisementCallback {
+  void *instance{nullptr};
+  void (*fn)(void *instance, const RawAdvertisement &adv){nullptr};
+  /// A default-constructed slot is "no subscriber"; hubs must guard on this.
+  bool is_set() const { return this->fn != nullptr; }
+  void invoke(const RawAdvertisement &adv) const { this->fn(this->instance, adv); }
+};
+
+/// What a tracker's controller/SDK can do — consumers branch on data, not #ifdefs.
+struct HubCapabilities {
+  /// Controller can send scan requests (active scanning).
+  bool active_scan;
+  /// Controller (or tracker) delivers advertisement + scan response as one merged
+  /// frame. When false, consumers relying on scan-response fields (e.g. names)
+  /// may only see them where the receiver merges per address (Home Assistant does).
+  bool merges_scan_response;
+  /// GATT client connections are available (today: esp32 only, but a chip SDK
+  /// gaining GATT support only has to flip this bit).
+  bool gatt;
+};
+
+class BLEHub {
+ public:
+  virtual ~BLEHub() = default;
+
+  /// Register a parsed-advertisement consumer (BLE sensors, automation triggers).
+  virtual void register_listener(ESPBTDeviceListener *listener) = 0;
+
+  /// Wire the raw-advertisement stream (bluetooth_proxy). One consumer at a time.
+  virtual void set_raw_advertisement_callback(RawAdvertisementCallback callback) = 0;
+
+  virtual HubCapabilities get_capabilities() const = 0;
+
+  /// Adapter MAC in printable (MSB-first) order, out[0] = MSB.
+  virtual void get_adapter_mac(uint8_t out[6]) = 0;
+
+  virtual bool scan_running() = 0;
+  /// True when the current/configured scan mode is active (scan requests sent).
+  virtual bool scan_active() = 0;
+};
+
+}  // namespace esphome::ble_device_base

esphome/components/ble_scanner/ble_scanner.h

@@ -5,6 +5,8 @@
 #include <ctime>
 
 #include "esphome/core/component.h"
+#include "esphome/core/helpers.h"
+#include "esphome/core/string_ref.h"
 #include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
 #include "esphome/components/text_sensor/text_sensor.h"
 
@@ -18,22 +20,10 @@ class BLEScanner final : public text_sensor::TextSensor,
  public:
   bool parse_device(const esp32_ble_tracker::ESPBTDevice &device) override {
     char addr_buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
-    // Escape special characters in the device name for valid JSON
-    const char *name = device.get_name().c_str();
+    // Escape special characters in the device name for valid JSON. Control characters stay in the \u00XX form this
+    // sensor has always published.
     char escaped_name[128];
-    size_t pos = 0;
-    for (; *name != '\0' && pos < sizeof(escaped_name) - 7; name++) {
-      uint8_t c = static_cast<uint8_t>(*name);
-      if (c == '"' || c == '\\') {
-        escaped_name[pos++] = '\\';
-        escaped_name[pos++] = c;
-      } else if (c < 0x20) {
-        pos += snprintf(escaped_name + pos, sizeof(escaped_name) - pos, "\\u%04x", c);
-      } else {
-        escaped_name[pos++] = c;
-      }
-    }
-    escaped_name[pos] = '\0';
+    json_escape_into_buffer(escaped_name, StringRef(device.get_name()), /*short_control_escapes=*/false);
 
     char buf[256];
     snprintf(buf, sizeof(buf), "{\"timestamp\":%" PRId64 ",\"address\":\"%s\",\"rssi\":%d,\"name\":\"%s\"}",

esphome/components/bluetooth_proxy/bluetooth_proxy.cpp

@@ -247,7 +247,7 @@ void BluetoothProxy::bluetooth_device_request(const api::BluetoothDeviceRequest
       esp_bd_addr_t address;
       uint64_to_bd_addr(msg.address, address);
       esp_err_t ret = esp_ble_remove_bond_device(address);
-      this->send_device_pairing(msg.address, ret == ESP_OK, ret);
+      this->send_device_unpairing(msg.address, ret == ESP_OK, ret);
       break;
     }
     case api::enums::BLUETOOTH_DEVICE_REQUEST_TYPE_CLEAR_CACHE: {

esphome/components/captive_portal/__init__.py

@@ -1,7 +1,7 @@
 import logging
 
 import esphome.codegen as cg
-from esphome.components import web_server_base
+from esphome.components import web_server_base, wifi
 from esphome.components.web_server_base import CONF_WEB_SERVER_BASE_ID
 from esphome.config_helpers import filter_source_files_from_platform
 import esphome.config_validation as cv
@@ -101,6 +101,9 @@ async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID], paren)
     await cg.register_component(var, config)
     cg.add_define("USE_CAPTIVE_PORTAL")
+    # The portal reads wifi scan results from the web server task; this makes the
+    # wifi component guard them with a lock on multi-threaded platforms.
+    wifi.request_wifi_scan_results_lock()
 
     if config[CONF_COMPRESSION] == "gzip":
         cg.add_define("USE_CAPTIVE_PORTAL_GZIP")

esphome/components/captive_portal/captive_index.h

@@ -7,145 +7,146 @@ namespace esphome::captive_portal {
 
 #ifdef USE_CAPTIVE_PORTAL_GZIP
 constexpr uint8_t INDEX_GZ[] PROGMEM = {
-    0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x95, 0x16, 0x6b, 0x8f, 0xdb, 0x36, 0xf2, 0x7b, 0x7e,
-    0x05, 0x8f, 0x49, 0xbb, 0x52, 0xb3, 0x7a, 0x7a, 0xed, 0x6c, 0x24, 0x51, 0x45, 0x9a, 0xbb, 0xa2, 0x05, 0x9a, 0x36,
-    0xc0, 0x6e, 0x73, 0x1f, 0x82, 0x00, 0x4b, 0x53, 0x23, 0x8b, 0x31, 0x45, 0xea, 0x48, 0xca, 0x8f, 0x18, 0xbe, 0xdf,
-    0x7e, 0xa0, 0x24, 0x7b, 0x9d, 0x45, 0x73, 0xb8, 0xb3, 0x60, 0x61, 0x38, 0xef, 0x19, 0xcd, 0x83, 0xc5, 0xdf, 0x2a,
-    0xc5, 0xec, 0xbe, 0x03, 0xd4, 0xd8, 0x56, 0x94, 0x85, 0x7b, 0x23, 0x41, 0xe5, 0x8a, 0x80, 0x2c, 0x8b, 0x06, 0x68,
-    0x55, 0x16, 0x2d, 0x58, 0x8a, 0x58, 0x43, 0xb5, 0x01, 0x4b, 0xfe, 0xbc, 0xff, 0x39, 0xb8, 0x2d, 0x0b, 0xc1, 0xe5,
-    0x1a, 0x69, 0x10, 0x84, 0x33, 0x25, 0x51, 0xa3, 0xa1, 0x26, 0x15, 0xb5, 0x34, 0xe3, 0x2d, 0x5d, 0xc1, 0x24, 0x22,
-    0x69, 0x0b, 0x64, 0xc3, 0x61, 0xdb, 0x29, 0x6d, 0x11, 0x53, 0xd2, 0x82, 0xb4, 0x04, 0x6f, 0x79, 0x65, 0x1b, 0x52,
-    0xc1, 0x86, 0x33, 0x08, 0x86, 0xc3, 0x35, 0x97, 0xdc, 0x72, 0x2a, 0x02, 0xc3, 0xa8, 0x00, 0x92, 0x5c, 0xf7, 0x06,
-    0xf4, 0x70, 0xa0, 0x4b, 0x01, 0x44, 0x2a, 0x5c, 0x16, 0x86, 0x69, 0xde, 0x59, 0xe4, 0x5c, 0x25, 0xad, 0xaa, 0x7a,
-    0x01, 0x65, 0x14, 0x51, 0x63, 0xc0, 0x9a, 0x88, 0xcb, 0x0a, 0x76, 0xe1, 0x32, 0x66, 0x2c, 0x86, 0xdb, 0xdb, 0xf0,
-    0xb3, 0x79, 0x56, 0x29, 0xd6, 0xb7, 0x20, 0x6d, 0x28, 0x14, 0xa3, 0x96, 0x2b, 0x19, 0x1a, 0xa0, 0x9a, 0x35, 0x84,
-    0x10, 0xfc, 0xa3, 0xa1, 0x1b, 0xc0, 0xdf, 0x7f, 0xef, 0x9d, 0x99, 0x56, 0x60, 0xff, 0x21, 0xc0, 0x81, 0xe6, 0xa7,
-    0xfd, 0x3d, 0x5d, 0xfd, 0x4e, 0x5b, 0xf0, 0x30, 0x35, 0xbc, 0x02, 0xec, 0x7f, 0x8c, 0x3f, 0x85, 0xc6, 0xee, 0x05,
-    0x84, 0x15, 0x37, 0x9d, 0xa0, 0x7b, 0x82, 0x97, 0x42, 0xb1, 0x35, 0xf6, 0xf3, 0xba, 0x97, 0xcc, 0x29, 0x47, 0xc6,
-    0x03, 0xff, 0x20, 0xc0, 0x22, 0x4b, 0xde, 0x51, 0xdb, 0x84, 0x2d, 0xdd, 0x79, 0x23, 0xc0, 0xa5, 0x97, 0xfe, 0xe0,
-    0xc1, 0xcb, 0x24, 0x8e, 0xfd, 0xeb, 0xe1, 0x15, 0xfb, 0x51, 0x12, 0xc7, 0xb9, 0x06, 0xdb, 0x6b, 0x89, 0xa8, 0xf7,
-    0x50, 0x74, 0xd4, 0x36, 0xa8, 0x22, 0xf8, 0x5d, 0x92, 0xa2, 0xe4, 0x75, 0x98, 0xce, 0x7f, 0x0b, 0x5f, 0xa1, 0x9b,
-    0x30, 0x9d, 0xb3, 0x57, 0xc1, 0x1c, 0x25, 0x37, 0xc1, 0x1c, 0xa5, 0x69, 0x38, 0x47, 0xf1, 0x17, 0x8c, 0x6a, 0x2e,
-    0x04, 0xc1, 0x52, 0x49, 0xc0, 0xc8, 0x58, 0xad, 0xd6, 0x40, 0x30, 0xeb, 0xb5, 0x06, 0x69, 0xdf, 0x2a, 0xa1, 0x34,
-    0x8e, 0xca, 0x67, 0xff, 0x97, 0x42, 0xab, 0xa9, 0x34, 0xb5, 0xd2, 0x2d, 0xc1, 0x43, 0xf6, 0xbd, 0x17, 0x07, 0x7b,
-    0x44, 0xee, 0xe5, 0x5f, 0x10, 0x03, 0xa5, 0xf9, 0x8a, 0x4b, 0x82, 0x9d, 0xc6, 0x5b, 0x1c, 0x95, 0x0f, 0xfe, 0xf1,
-    0x1c, 0x3d, 0x75, 0xd1, 0x4f, 0xf1, 0x28, 0xef, 0xe3, 0x43, 0x61, 0x36, 0x2b, 0xb4, 0x6b, 0x85, 0x34, 0x04, 0x37,
-    0xd6, 0x76, 0x59, 0x14, 0x6d, 0xb7, 0xdb, 0x70, 0x3b, 0x0b, 0x95, 0x5e, 0x45, 0x69, 0x1c, 0xc7, 0x91, 0xd9, 0xac,
-    0x30, 0x1a, 0x0b, 0x01, 0xa7, 0x37, 0x18, 0x35, 0xc0, 0x57, 0x8d, 0x1d, 0xe0, 0xf2, 0xc5, 0x01, 0x8e, 0x85, 0xe3,
-    0x28, 0x1f, 0x3e, 0x5d, 0x58, 0xe1, 0x17, 0x56, 0xe0, 0x47, 0xea, 0xe1, 0x53, 0x98, 0x57, 0x43, 0x98, 0xaf, 0x68,
-    0x8a, 0x52, 0x14, 0x0f, 0x4f, 0x1a, 0x38, 0x78, 0x3a, 0x05, 0x4f, 0x4e, 0xe8, 0xe2, 0xe4, 0xa0, 0x76, 0x11, 0xbc,
-    0x3e, 0xcb, 0x26, 0x0e, 0xb3, 0x49, 0xe2, 0x47, 0x84, 0x13, 0xf8, 0x65, 0x71, 0x79, 0x0e, 0xd2, 0x0f, 0x97, 0x0c,
-    0xce, 0x5a, 0x93, 0x7c, 0x58, 0xd0, 0x39, 0x9a, 0x4f, 0x98, 0x79, 0xe0, 0xe0, 0xf3, 0x09, 0xcd, 0x37, 0x69, 0x93,
-    0xb4, 0xc1, 0x22, 0x98, 0xd3, 0x19, 0x9a, 0x4d, 0x8e, 0xcc, 0xd0, 0x6c, 0x93, 0x36, 0x8b, 0x0f, 0x8b, 0x4b, 0x5c,
-    0x30, 0xfb, 0x72, 0x15, 0x95, 0xd8, 0xcf, 0x30, 0x7e, 0x8c, 0x5c, 0x5d, 0x46, 0x1e, 0x7e, 0x56, 0x5c, 0x7a, 0x18,
-    0xfb, 0xc7, 0x1a, 0x2c, 0x6b, 0x3c, 0x1c, 0x31, 0x25, 0x6b, 0xbe, 0x0a, 0x3f, 0x1b, 0x25, 0xb1, 0x1f, 0xda, 0x06,
-    0xa4, 0x77, 0x12, 0x75, 0x82, 0x30, 0x50, 0xbc, 0xa7, 0x14, 0xeb, 0x1f, 0xce, 0xf5, 0x6f, 0xb9, 0x15, 0x40, 0x6c,
-    0xe8, 0x1a, 0xf6, 0xfa, 0x8c, 0x5d, 0xaa, 0x6a, 0xff, 0x8d, 0xd6, 0x68, 0x92, 0xb1, 0x2f, 0xb8, 0x94, 0xa0, 0xef,
-    0x61, 0x67, 0x09, 0x7e, 0xf7, 0xe6, 0x2d, 0x7a, 0x53, 0x55, 0x1a, 0x8c, 0xc9, 0x10, 0x7e, 0x69, 0xc3, 0x96, 0xb2,
-    0xff, 0x5d, 0x57, 0xf2, 0x95, 0xae, 0x7f, 0xf2, 0x9f, 0x39, 0xfa, 0x1d, 0xec, 0x56, 0xe9, 0xf5, 0xa4, 0xcd, 0xb9,
-    0x96, 0xbb, 0x0e, 0xd3, 0xc4, 0x86, 0xb4, 0x33, 0xa1, 0x11, 0x9c, 0x81, 0x97, 0xf8, 0x61, 0x4b, 0xbb, 0xc7, 0xa8,
-    0xe4, 0x29, 0x51, 0x0f, 0x45, 0xc5, 0x37, 0x88, 0x09, 0x6a, 0x0c, 0xc1, 0x72, 0x54, 0x85, 0xd1, 0x33, 0x34, 0xfc,
-    0x94, 0x64, 0x82, 0xb3, 0x35, 0xc1, 0x7f, 0x31, 0x01, 0x7e, 0xda, 0xff, 0x5a, 0x79, 0x57, 0xc6, 0xf0, 0xea, 0xca,
-    0x0f, 0x37, 0x54, 0xf4, 0x80, 0x08, 0xb2, 0x0d, 0x37, 0x8f, 0x0e, 0xe6, 0xdf, 0x14, 0xeb, 0xcc, 0xfa, 0xca, 0x0f,
-    0x6b, 0xc5, 0x7a, 0xe3, 0xf9, 0xb8, 0x9c, 0xcc, 0x15, 0x74, 0x1c, 0x90, 0xf8, 0x39, 0x7e, 0xe2, 0x51, 0x20, 0xa0,
-    0xb6, 0x67, 0x3e, 0x84, 0x5e, 0x1c, 0x8c, 0x27, 0x43, 0x6d, 0x0c, 0xf7, 0x8f, 0x67, 0x64, 0x61, 0x3a, 0x2a, 0x9f,
-    0x0a, 0x3a, 0x07, 0x5d, 0xab, 0xc8, 0xd0, 0x41, 0xae, 0x5f, 0x3a, 0x2a, 0xcf, 0x06, 0x23, 0x7a, 0x02, 0x5f, 0x1c,
-    0xb8, 0x27, 0xdd, 0x14, 0x5c, 0x9f, 0x35, 0x16, 0x51, 0xc5, 0x37, 0xe5, 0xc3, 0xd1, 0x7f, 0x8c, 0xe3, 0x5f, 0x3d,
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+    0x0e, 0x2d, 0x35, 0x2b, 0xa1, 0xa2, 0xa5, 0x76, 0x4e, 0xb7, 0x79, 0x74, 0xdd, 0xed, 0x16, 0xe3, 0x91, 0x57, 0x96,
+    0xa7, 0xde, 0xcd, 0x7e, 0xd7, 0x9e, 0xf2, 0x9d, 0x76, 0x3b, 0x64, 0xb5, 0x14, 0x7c, 0xe4, 0xeb, 0x59, 0x50, 0x72,
+    0x4e, 0x4f, 0x3a, 0xeb, 0x76, 0xc8, 0x9f, 0x9d, 0x52, 0x7d, 0x55, 0xbf, 0xa6, 0x69, 0xf2, 0x37, 0x37, 0xc2, 0xeb,
+    0x3a, 0x5b, 0xd6, 0xe7, 0x4c, 0xf9, 0xb5, 0xe9, 0x57, 0x4b, 0x5f, 0x5a, 0x45, 0x3c, 0xbc, 0x6e, 0x7c, 0x65, 0x54,
+    0x85, 0xcf, 0x70, 0x55, 0x34, 0x29, 0x12, 0xbc, 0x6c, 0x29, 0xab, 0x2e, 0x66, 0x5b, 0x11, 0x37, 0xe9, 0x89, 0xd4,
+    0xa4, 0xd5, 0x93, 0xb9, 0x35, 0xd0, 0x7a, 0xef, 0xab, 0x1b, 0xad, 0x14, 0x30, 0x27, 0xd4, 0x0a, 0x39, 0x8d, 0xc6,
+    0x14, 0x10, 0x42, 0x8a, 0xa5, 0xa9, 0xde, 0x4b, 0xa0, 0x16, 0xd0, 0x96, 0x0a, 0x47, 0x8a, 0x78, 0xe0, 0x1f, 0x3a,
+    0x5d, 0xf0, 0x52, 0x81, 0x3b, 0xf7, 0x76, 0x33, 0x1d, 0x0c, 0xdc, 0x82, 0xf3, 0x9a, 0xbc, 0x81, 0x69, 0x55, 0xf8,
+    0x15, 0x8c, 0x68, 0xdf, 0xa5, 0x65, 0xbc, 0x15, 0xb5, 0xf0, 0x4f, 0x98, 0xaa, 0xe8, 0x8b, 0xdc, 0x6b, 0xf0, 0x79,
+    0x1e, 0x9e, 0x5b, 0x3d, 0x24, 0x41, 0xad, 0x5c, 0x53, 0x4e, 0x33, 0xd4, 0x49, 0xca, 0xa0, 0xd1, 0x92, 0x83, 0x29,
+    0x6f, 0x6f, 0x7f, 0xfb, 0x67, 0xe5, 0x9d, 0x79, 0x94, 0xeb, 0xec, 0xc3, 0x20, 0xe6, 0x81, 0x51, 0x6a, 0x7e, 0x35,
+    0x3c, 0xb2, 0x3a, 0x6a, 0xed, 0x56, 0x1b, 0xfe, 0x44, 0xc7, 0xfb, 0xf1, 0x70, 0xd0, 0xd3, 0xff, 0xfb, 0x56, 0xa9,
+    0x6e, 0xe9, 0x06, 0x8a, 0x78, 0x44, 0x8a, 0xd8, 0x3b, 0x3c, 0xd0, 0x9b, 0x91, 0xaf, 0x49, 0xab, 0x3f, 0xef, 0xde,
+    0xa2, 0xbf, 0x3a, 0x4e, 0x1d, 0x0c, 0x69, 0xeb, 0xa3, 0x6a, 0xc1, 0x35, 0x9a, 0x97, 0xef, 0xff, 0xbc, 0xbd, 0x3b,
+    0x47, 0xb8, 0xee, 0x99, 0x10, 0x28, 0x36, 0x3c, 0xf7, 0xd6, 0xd2, 0x89, 0x8e, 0x1a, 0xd7, 0xab, 0x8d, 0xfc, 0x14,
+    0x39, 0xc5, 0xd0, 0xd3, 0x6b, 0x21, 0x61, 0x08, 0x63, 0x10, 0xac, 0xd0, 0xc9, 0xab, 0x93, 0xb5, 0x67, 0x7e, 0xc5,
+    0xc3, 0x6d, 0xc7, 0xc3, 0xd5, 0xc7, 0xfd, 0xcb, 0xf7, 0xbf, 0x81, 0xdb, 0x13, 0xb5, 0x09, 0x0b, 0x00, 0x00};
 
 #else  // Brotli (default, smaller)
 constexpr uint8_t INDEX_BR[] PROGMEM = {
-    0x1b, 0xf8, 0x0a, 0x00, 0x64, 0x5a, 0xd3, 0xfa, 0xe7, 0xf3, 0x62, 0xd8, 0x06, 0x1b, 0xe9, 0x6a, 0x8a, 0x81, 0x2b,
-    0xb5, 0x49, 0x14, 0x37, 0xdc, 0x9e, 0x1a, 0xcb, 0x56, 0x87, 0xfb, 0xff, 0xf7, 0x73, 0x75, 0x12, 0x0a, 0xd6, 0x48,
-    0x84, 0xc6, 0x21, 0xa4, 0x6d, 0xb5, 0x71, 0xef, 0x13, 0xbe, 0x4e, 0x54, 0xf1, 0x64, 0x8f, 0x3f, 0xcc, 0x9a, 0x78,
-    0xa5, 0x89, 0x25, 0xb3, 0xda, 0x2c, 0xa2, 0x32, 0x9c, 0x57, 0x07, 0x56, 0xbc, 0x34, 0x13, 0xff, 0x5c, 0x0a, 0xa1,
-    0x67, 0x82, 0xb8, 0x6b, 0x4c, 0x76, 0x31, 0x6c, 0xe3, 0x40, 0x46, 0xea, 0xb0, 0xd4, 0xf4, 0x3b, 0x02, 0x65, 0x18,
-    0xa4, 0xaf, 0xac, 0x6d, 0x55, 0xd6, 0xbe, 0x59, 0x66, 0x7a, 0x7c, 0x60, 0xb2, 0x83, 0x33, 0x23, 0xc9, 0x79, 0x82,
-    0x47, 0xb4, 0x28, 0xf4, 0x24, 0xb5, 0x23, 0x5a, 0x44, 0xe1, 0xc3, 0x27, 0x04, 0xe8, 0x0c, 0xdd, 0xb4, 0xd0, 0x8c,
-    0xfb, 0x10, 0x39, 0x93, 0x04, 0x2a, 0x66, 0x18, 0x4b, 0x74, 0xca, 0x31, 0x7f, 0xb2, 0xe5, 0x45, 0xc1, 0xdd, 0x72,
-    0x49, 0xff, 0x0e, 0xb3, 0xf0, 0x93, 0x18, 0xab, 0x68, 0xad, 0xe1, 0x9d, 0xe4, 0x29, 0xc0, 0xe3, 0x63, 0x54, 0x61,
-    0x1b, 0x45, 0xb9, 0x6c, 0x23, 0x0f, 0x99, 0x7f, 0x8e, 0x69, 0xaa, 0xc1, 0xb8, 0x4e, 0x42, 0x9c, 0xc5, 0x6e, 0x69,
-    0x40, 0x0e, 0x4f, 0x97, 0xd3, 0x23, 0x18, 0xf5, 0xc8, 0x75, 0x73, 0xb5, 0xbd, 0x46, 0x8a, 0x97, 0x7d, 0x83, 0xe4,
-    0x29, 0x72, 0x73, 0xc1, 0x39, 0x8e, 0x7e, 0x84, 0x39, 0x66, 0x57, 0xc6, 0x85, 0x19, 0x8b, 0xf2, 0x4d, 0xd9, 0xfe,
-    0x75, 0xa9, 0xe1, 0x2b, 0x21, 0x81, 0x58, 0x51, 0x99, 0xbc, 0xa4, 0x0b, 0x10, 0x6f, 0x86, 0x17, 0x0b, 0x92, 0x00,
-    0x11, 0x6f, 0x3b, 0xa4, 0xa4, 0x11, 0x7e, 0x0b, 0x97, 0x85, 0x23, 0x0c, 0x01, 0x6f, 0x2a, 0x18, 0xc6, 0xbe, 0x3d,
-    0x77, 0x1a, 0xe6, 0x00, 0x5c, 0x1a, 0x14, 0x47, 0xc6, 0xcc, 0xcc, 0x52, 0xbe, 0x04, 0x19, 0x31, 0x05, 0x46, 0xa0,
-    0xc3, 0x69, 0x0c, 0x60, 0xb7, 0x14, 0x57, 0xa0, 0x92, 0xbf, 0xb7, 0x0c, 0xd8, 0x3a, 0x79, 0x09, 0x99, 0xc9, 0x71,
-    0x88, 0x01, 0x8b, 0xa5, 0x61, 0x0a, 0xb5, 0xe8, 0xc7, 0x71, 0xe7, 0x70, 0x79, 0xb6, 0xe4, 0x01, 0xfc, 0x1a, 0x4a,
-    0x7b, 0x60, 0x6e, 0xef, 0x95, 0x62, 0x59, 0x28, 0xb5, 0x25, 0x56, 0x15, 0xe7, 0xca, 0xad, 0x32, 0xe6, 0xf7, 0x01,
-    0x31, 0x34, 0x87, 0x93, 0x0b, 0x9b, 0x9d, 0x26, 0xff, 0xe5, 0x92, 0xad, 0x6f, 0xb8, 0x3b, 0x16, 0xc1, 0xa0, 0x5a,
-    0x4f, 0x52, 0x0b, 0x2b, 0xc1, 0xa7, 0x95, 0x7b, 0x24, 0x51, 0xd3, 0xb3, 0x23, 0x62, 0x0b, 0xcc, 0xa0, 0x58, 0xa7,
-    0x64, 0x45, 0x2f, 0x0b, 0xdd, 0x1d, 0x97, 0x82, 0x1f, 0xcc, 0x64, 0xdb, 0xd3, 0xf4, 0xb0, 0x8b, 0xc8, 0xcf, 0x15,
-    0x81, 0x8b, 0xa1, 0x9d, 0xf8, 0xfc, 0xec, 0x49, 0x40, 0x12, 0x01, 0x09, 0x51, 0xf3, 0x73, 0x18, 0x24, 0x97, 0x55,
-    0x85, 0x6a, 0x92, 0x1a, 0xf5, 0x5a, 0x05, 0x54, 0x1f, 0x27, 0x0a, 0xa8, 0xa1, 0x94, 0x58, 0x78, 0x7d, 0x87, 0xa8,
-    0xdb, 0x13, 0x66, 0x20, 0x5e, 0x43, 0x18, 0x7a, 0xbb, 0x16, 0x16, 0x07, 0xc8, 0xab, 0x10, 0xe2, 0x50, 0xb9, 0xb1,
-    0xd8, 0x21, 0xc8, 0x4a, 0x2e, 0x99, 0x0e, 0x23, 0x52, 0xc6, 0xcb, 0x29, 0x84, 0x91, 0x03, 0xb1, 0xe2, 0x4c, 0x1d,
-    0x22, 0xd3, 0xc8, 0x79, 0x00, 0x8b, 0x8b, 0x88, 0x1e, 0x29, 0xd3, 0xae, 0x10, 0x15, 0x22, 0x6d, 0xb0, 0x87, 0x6f,
-    0x27, 0x2e, 0x7c, 0xc2, 0x7a, 0x61, 0xbd, 0x22, 0xe5, 0x5f, 0xdd, 0x7b, 0x00, 0x04, 0xf2, 0x7d, 0x5a, 0x03, 0x38,
-    0x1f, 0x69, 0x6d, 0x0b, 0xfb, 0xec, 0x45, 0xfe, 0x8b, 0x7f, 0xec, 0x7b, 0xad, 0xc2, 0x33, 0xf1, 0x9e, 0x9c, 0x71,
-    0xd9, 0xe8, 0x5e, 0x8f, 0xd4, 0xee, 0x87, 0x45, 0x6c, 0xe2, 0x12, 0xf8, 0xb8, 0xc5, 0xee, 0x43, 0xa6, 0x37, 0x91,
-    0xb5, 0x2c, 0x2f, 0xe9, 0xe8, 0x24, 0xd0, 0x45, 0xc1, 0x0c, 0x7c, 0xf0, 0xb2, 0xb5, 0x2d, 0x10, 0x36, 0x7e, 0x18,
-    0x7c, 0x79, 0x82, 0x69, 0x3d, 0x35, 0xca, 0x52, 0xee, 0xc9, 0xb5, 0x65, 0xa4, 0xa1, 0xfd, 0x70, 0x7e, 0xe0, 0x7d,
-    0x67, 0xf9, 0xa1, 0x71, 0xd2, 0x08, 0x74, 0x33, 0x5f, 0x69, 0xa4, 0x59, 0x03, 0xfd, 0xf8, 0xf0, 0x70, 0x1a, 0x50,
-    0x43, 0xfb, 0x61, 0xf0, 0x38, 0x18, 0x88, 0x85, 0x36, 0x23, 0x06, 0x4f, 0x02, 0xbb, 0x78, 0x1a, 0xaa, 0xd2, 0x02,
-    0x5e, 0xa0, 0x74, 0x30, 0xc8, 0x7a, 0x66, 0xab, 0xd9, 0x43, 0x99, 0x45, 0xb7, 0x0c, 0x5c, 0xec, 0xc8, 0x03, 0x0e,
-    0x0b, 0xca, 0x4a, 0x22, 0x48, 0xfb, 0xb7, 0x3d, 0x82, 0x07, 0x8d, 0x1b, 0x21, 0x87, 0x4d, 0x57, 0xa4, 0x5b, 0xd4,
-    0xe3, 0x88, 0x02, 0xc4, 0x81, 0xf9, 0x47, 0xe4, 0xbf, 0x3e, 0x39, 0xbb, 0x4f, 0x7e, 0x91, 0x63, 0x98, 0x97, 0xe4,
-    0x52, 0x01, 0x58, 0xba, 0x32, 0xbf, 0xae, 0xff, 0x45, 0xa1, 0xbc, 0x9b, 0xa4, 0x09, 0x0e, 0x79, 0xc0, 0x41, 0x86,
-    0x52, 0x88, 0x55, 0x39, 0x9d, 0xb6, 0xed, 0x35, 0x68, 0x29, 0xfa, 0xe6, 0x6c, 0x3d, 0x0a, 0xcd, 0x6a, 0x28, 0xfd,
-    0x65, 0x24, 0xce, 0x38, 0x98, 0x01, 0xd9, 0x3f, 0x1b, 0x4c, 0xc4, 0x5c, 0x1d, 0xaa, 0x21, 0x78, 0x67, 0xaf, 0x55,
-    0x72, 0x34, 0xf8, 0x1b, 0x03, 0x21, 0x27, 0x08, 0xbd, 0x59, 0x60, 0x48, 0x0d, 0xe2, 0x56, 0x9b, 0x30, 0x92, 0x8f,
-    0x67, 0x8a, 0x7f, 0x20, 0xbd, 0x2d, 0xfd, 0xc5, 0xb0, 0xa6, 0xaa, 0x77, 0x75, 0x26, 0x33, 0x2f, 0x20, 0x2a, 0xab,
-    0x5c, 0xd1, 0x3b, 0xda, 0xb2, 0x4c, 0xa4, 0x86, 0x25, 0x8d, 0x49, 0x05, 0xaf, 0x7a, 0xa8, 0xd4, 0x9c, 0x0d, 0xd3,
-    0x38, 0xa6, 0x5c, 0x29, 0x6b, 0x16, 0x27, 0x07, 0xf1, 0xbe, 0xe2, 0x24, 0xc1, 0x8d, 0x25, 0x76, 0xbc, 0xf6, 0x0d,
-    0xc2, 0x94, 0x25, 0xb8, 0xf3, 0x07, 0x9a, 0x49, 0xf4, 0x89, 0x82, 0x4d, 0x51, 0xb1, 0x96, 0x61, 0x62, 0x8d, 0xc8,
-    0x61, 0x65, 0x0d, 0x14, 0x34, 0x02, 0x65, 0x94, 0xcc, 0x1d, 0x85, 0x00, 0x0f, 0x1a, 0x57, 0x68, 0x15, 0xcf, 0xa4,
-    0xa2, 0x7d, 0x6d, 0x53, 0x60, 0xce, 0x5c, 0x61, 0x82, 0x17, 0x32, 0xc1, 0x87, 0x02, 0x0c, 0x91, 0x85, 0x57, 0x51,
-    0xbe, 0xb2, 0x38, 0x9f, 0x3d, 0x2a, 0x52, 0x5a, 0xad, 0xba, 0x46, 0x9e, 0x3c, 0x8a, 0xa0, 0x46, 0x15, 0xf4, 0x59,
-    0x74, 0x5f, 0x2a, 0xae, 0x96, 0x56, 0xf0, 0x54, 0x39, 0xaf, 0xac, 0x2a, 0xb9, 0xad, 0x32, 0x50, 0xc9, 0xc1, 0xee,
-    0xd2, 0x0d, 0x34, 0xaa, 0x98, 0x4d, 0x6d, 0x3d, 0xc6, 0xb9, 0x5b, 0x00, 0x5f, 0xea, 0xda, 0x16, 0xa6, 0x08, 0x43,
-    0x58, 0x4d, 0x8d, 0x07, 0x55, 0x62, 0x81, 0x44, 0xcc, 0x31, 0x04, 0x4b, 0x4c, 0x8b, 0x3e, 0xff, 0xd8, 0xf6, 0x65,
-    0x19, 0xa1, 0x94, 0x62, 0x65, 0x0a, 0xdd, 0x60, 0x38, 0xd3, 0xbe, 0x0d, 0xa3, 0x99, 0xd5, 0x37, 0x68, 0xa1, 0x71,
-    0xa3, 0x41, 0xe7, 0xbe, 0x9d, 0x72, 0x84, 0x75, 0xb6, 0x8d, 0x98, 0xd6, 0xb8, 0x2d, 0x43, 0x85, 0x5d, 0xf9, 0xca,
-    0xc3, 0x96, 0xa5, 0xa6, 0xe7, 0x50, 0x88, 0x6b, 0x84, 0x58, 0x44, 0x45, 0x20, 0xdf, 0x1e, 0x5a, 0xc9, 0xce, 0x42,
-    0x2a, 0x1f, 0x3e, 0x3c, 0x7b, 0x68, 0x3c, 0x34, 0x8b, 0x36, 0xba, 0x1f, 0xce, 0x0f, 0xa0, 0x60, 0x37, 0x5f, 0x1a,
-    0x03, 0x2b, 0x86, 0x29, 0x45, 0x7b, 0xb4, 0xb7, 0x06, 0x68, 0x17, 0x7e, 0x13, 0x76, 0x91, 0x4d, 0x27, 0xee, 0xbc,
-    0x7e, 0x80, 0xc2, 0x66, 0xac, 0xc6, 0xbf, 0xeb, 0x7f, 0xd7, 0x84, 0x79, 0xf3, 0xf1, 0xde, 0xec, 0xa6, 0x93, 0xa8,
-    0x13, 0x3b, 0x4a, 0x81, 0xfa, 0x11, 0x1e, 0x4a, 0xd2, 0x50, 0x2a, 0xea, 0x9a, 0xc2, 0x37, 0x08, 0xed, 0x01, 0xf5,
-    0xa2, 0xd5, 0x32, 0x29, 0x49, 0xc4, 0x1a, 0x11, 0xc0, 0xda, 0x24, 0x28, 0x84, 0x38, 0x60, 0x80, 0xcf, 0xd0, 0x45,
-    0x83, 0xa7, 0xca, 0x52, 0x5c, 0xac, 0x23, 0x01};
+    0x1b, 0x08, 0x0b, 0x00, 0xe4, 0x7f, 0x9b, 0xad, 0xbb, 0x97, 0x53, 0xde, 0xb7, 0x25, 0x0e, 0x69, 0xd4, 0x69, 0x89,
+    0xba, 0xa5, 0x55, 0x22, 0x04, 0x27, 0xeb, 0x00, 0x52, 0xac, 0xbc, 0xec, 0x5f, 0xfb, 0xb5, 0x7a, 0x12, 0x0a, 0xd6,
+    0x48, 0x84, 0x4a, 0x48, 0x5a, 0xcb, 0xbd, 0xb7, 0x72, 0x66, 0x4e, 0x62, 0xd8, 0xbd, 0x7f, 0x88, 0x68, 0x86, 0x28,
+    0xd6, 0xf1, 0xda, 0x2c, 0xa2, 0x32, 0x5c, 0xdd, 0xab, 0xb2, 0x15, 0xbc, 0x24, 0x13, 0xe6, 0xbd, 0x0c, 0x52, 0x63,
+    0x82, 0x88, 0x6d, 0x74, 0x71, 0x51, 0x9c, 0xe2, 0x40, 0x56, 0xea, 0xb0, 0x5c, 0xb7, 0x1d, 0x81, 0x3a, 0x0c, 0xf2,
+    0xd7, 0xa8, 0x5c, 0x35, 0x2d, 0x43, 0xb3, 0x42, 0x37, 0x7c, 0x60, 0xd8, 0xc1, 0x95, 0x91, 0x94, 0x3c, 0x29, 0x20,
+    0x96, 0x20, 0xf6, 0x24, 0xb7, 0x83, 0x4a, 0x06, 0xf1, 0xc3, 0x2f, 0x88, 0x50, 0x55, 0x35, 0x2d, 0xe8, 0xb6, 0x21,
+    0x38, 0x61, 0x8e, 0x44, 0x2a, 0xac, 0x39, 0xcf, 0x74, 0xaa, 0x31, 0x7f, 0x62, 0x32, 0x9b, 0x99, 0x42, 0x0a, 0xf6,
+    0x6f, 0xd8, 0x89, 0x3f, 0x49, 0xb1, 0xa2, 0x52, 0x0a, 0x8e, 0xb3, 0x27, 0x0b, 0x07, 0x07, 0x58, 0xb0, 0x8f, 0xaa,
+    0xdc, 0x68, 0x12, 0x0f, 0x95, 0xbf, 0xc7, 0x36, 0xd5, 0x60, 0x5a, 0xc7, 0x80, 0xac, 0x52, 0xf7, 0xa7, 0x2d, 0xb6,
+    0x64, 0xda, 0xda, 0x11, 0x8d, 0x6a, 0xe5, 0xba, 0xe9, 0xda, 0xdc, 0x62, 0xc3, 0xcb, 0xae, 0xc1, 0xe1, 0x11, 0xb6,
+    0x33, 0x29, 0x04, 0x09, 0xfe, 0x09, 0x08, 0xc2, 0x1f, 0x98, 0x16, 0x26, 0x0d, 0xce, 0xd7, 0x75, 0xfb, 0xd7, 0xa5,
+    0x82, 0xd7, 0x32, 0x44, 0x72, 0xc1, 0xc2, 0xe4, 0x15, 0xcb, 0x50, 0xfc, 0xd3, 0x58, 0x64, 0x34, 0x41, 0x32, 0xbe,
+    0x1f, 0x08, 0x43, 0x16, 0x14, 0xf7, 0x70, 0x2c, 0x1c, 0x61, 0x09, 0x78, 0x73, 0xd1, 0x30, 0xf6, 0xed, 0x85, 0x55,
+    0x50, 0x02, 0xf0, 0x68, 0x50, 0x5c, 0x1a, 0xd7, 0x3b, 0x8e, 0xf2, 0x23, 0xc8, 0x88, 0x39, 0xd0, 0x84, 0xf7, 0xa6,
+    0xd1, 0xa3, 0xfb, 0xe5, 0x44, 0xc0, 0x4c, 0x2f, 0x6f, 0x19, 0x70, 0x75, 0xf6, 0x1c, 0xb8, 0xce, 0x89, 0x4f, 0x01,
+    0x8d, 0xa1, 0x71, 0xf2, 0x97, 0xf8, 0xe7, 0xd3, 0xf1, 0xe1, 0xfa, 0xfc, 0xc8, 0x03, 0x78, 0x14, 0xa0, 0x3d, 0x28,
+    0xb7, 0xeb, 0x26, 0x52, 0x59, 0xa8, 0xb5, 0x0d, 0x5c, 0x8a, 0x6b, 0xe5, 0xf6, 0x30, 0xd6, 0xf7, 0x71, 0x31, 0xe8,
+    0xbd, 0xc9, 0xfa, 0xf5, 0x71, 0x9d, 0xff, 0xf6, 0x69, 0x62, 0x5f, 0xb5, 0xc7, 0x06, 0x43, 0x54, 0xb5, 0x87, 0xf1,
+    0xcc, 0x84, 0xe8, 0xb7, 0x56, 0x38, 0x43, 0x6a, 0xa6, 0x2f, 0x53, 0xd1, 0x89, 0x48, 0x8d, 0x72, 0x75, 0x4a, 0x17,
+    0xf6, 0x8d, 0xb2, 0xeb, 0xb1, 0x6b, 0x29, 0x1e, 0xd5, 0x74, 0xc7, 0xb3, 0xf4, 0xf1, 0x04, 0x0d, 0xbf, 0x08, 0x81,
+    0x8f, 0xfe, 0x8d, 0xfc, 0xf2, 0x35, 0x92, 0xa0, 0x24, 0x88, 0x12, 0x6a, 0xe6, 0x2f, 0x01, 0x94, 0x5c, 0x4b, 0xf9,
+    0x6b, 0x9a, 0xf6, 0x1a, 0x35, 0x11, 0x8a, 0xc6, 0x04, 0x8d, 0x50, 0x64, 0x48, 0x2d, 0x8b, 0xdf, 0xdf, 0xa1, 0xd1,
+    0xfd, 0x21, 0xd7, 0x40, 0x96, 0x00, 0xb1, 0x9f, 0x54, 0xc2, 0xe1, 0x00, 0x79, 0x15, 0x80, 0xf8, 0xca, 0x8e, 0xc5,
+    0x06, 0x03, 0xdf, 0x72, 0x49, 0xc0, 0x08, 0x27, 0x90, 0xe3, 0x14, 0xc2, 0xac, 0xc3, 0x83, 0xc9, 0xf6, 0x9d, 0x12,
+    0xab, 0x46, 0xae, 0x03, 0x74, 0x1d, 0x27, 0xce, 0x91, 0x1d, 0x4e, 0xb4, 0xbe, 0x80, 0xe7, 0x6a, 0x6d, 0x0a, 0x20,
+    0x47, 0x6b, 0x00, 0x4e, 0x25, 0x52, 0xe6, 0xf5, 0xe9, 0x43, 0x84, 0xc1, 0x0d, 0x4b, 0x04, 0xb3, 0x91, 0x49, 0xf5,
+    0xe9, 0xc4, 0x2e, 0x1b, 0xf9, 0x98, 0xf9, 0xea, 0x9e, 0xb8, 0xf6, 0x53, 0xf8, 0x42, 0xc2, 0x60, 0x5c, 0xa9, 0xd2,
+    0xfe, 0x0a, 0xe5, 0xd4, 0x7d, 0x36, 0x76, 0x04, 0x12, 0x38, 0xa1, 0xc4, 0x30, 0xb8, 0xf2, 0x69, 0x86, 0x5b, 0xe7,
+    0xe5, 0xa0, 0xc0, 0xfe, 0x91, 0x19, 0x03, 0x1e, 0xa9, 0x93, 0x26, 0x49, 0x58, 0xd5, 0xf6, 0x33, 0x4e, 0x0a, 0x89,
+    0x64, 0x1e, 0xb4, 0x7a, 0x5d, 0x0d, 0x12, 0xcf, 0x2b, 0xdd, 0x35, 0x90, 0x55, 0xc3, 0x0e, 0xcd, 0x0e, 0xad, 0x6b,
+    0x8f, 0x43, 0xd0, 0xb4, 0x6a, 0xdb, 0x4b, 0xe5, 0xa4, 0x9b, 0x09, 0x23, 0x1a, 0x43, 0xa9, 0xff, 0x61, 0x8b, 0x07,
+    0xd6, 0x0f, 0x83, 0x23, 0xbe, 0x8a, 0x66, 0xa2, 0x10, 0x2f, 0x11, 0x01, 0x0d, 0xc6, 0x96, 0xba, 0x87, 0xaa, 0xa8,
+    0x44, 0x7c, 0x1e, 0x34, 0xdb, 0xba, 0x41, 0x90, 0xf0, 0x7a, 0xdb, 0x63, 0x60, 0x96, 0x8d, 0x64, 0xcb, 0x2f, 0x28,
+    0x96, 0x04, 0xd5, 0xc0, 0x7a, 0xe8, 0xec, 0xd1, 0x61, 0x1b, 0x09, 0x4b, 0x4c, 0x6e, 0x1b, 0x31, 0x98, 0x9c, 0x6d,
+    0xdb, 0xd0, 0xec, 0xa4, 0x0f, 0x0a, 0xe0, 0xc8, 0x35, 0xc4, 0x93, 0xdc, 0xee, 0x19, 0x00, 0x80, 0x07, 0xf5, 0xcf,
+    0xe0, 0x7f, 0x75, 0xf8, 0x52, 0x3a, 0xfc, 0x0d, 0x84, 0xa5, 0xc1, 0xb2, 0x1c, 0x25, 0x40, 0xc5, 0x8b, 0xb3, 0xdb,
+    0x7a, 0x1b, 0x44, 0xff, 0x79, 0x9a, 0x26, 0xc4, 0xe7, 0x9e, 0x78, 0x4c, 0xa5, 0x94, 0xab, 0x78, 0x34, 0x9d, 0xb5,
+    0xb7, 0x24, 0x26, 0xe7, 0x9a, 0xf3, 0xe5, 0x2a, 0x35, 0x4b, 0xbe, 0x74, 0xd7, 0x01, 0xbc, 0x71, 0x72, 0x03, 0x5c,
+    0x40, 0x24, 0x17, 0x61, 0x5b, 0x7b, 0x19, 0xc2, 0x7f, 0x4e, 0x5b, 0x24, 0xfb, 0x8b, 0xc3, 0x51, 0x00, 0x3d, 0x09,
+    0x04, 0x05, 0x72, 0x64, 0xf6, 0xf0, 0x6b, 0x99, 0x38, 0x93, 0x5b, 0xac, 0x0c, 0xff, 0x40, 0x7b, 0x53, 0xba, 0xab,
+    0x61, 0xc9, 0xa2, 0xde, 0xd6, 0x2b, 0x0c, 0xbd, 0x85, 0xac, 0x4c, 0x64, 0x8b, 0xe6, 0x69, 0x2b, 0x56, 0x10, 0x1b,
+    0x08, 0x59, 0x6c, 0x55, 0x0a, 0xaa, 0x93, 0x85, 0x1d, 0x45, 0xda, 0xc6, 0x39, 0xe6, 0x6a, 0xab, 0x71, 0x73, 0x46,
+    0x0f, 0xf7, 0xab, 0x4e, 0x88, 0xae, 0x8c, 0xe0, 0x91, 0xda, 0x35, 0x8c, 0xd3, 0x18, 0x92, 0x3d, 0xab, 0x2f, 0x0d,
+    0xd6, 0xc9, 0x06, 0xdb, 0xc2, 0x62, 0xcb, 0x8a, 0x23, 0x5b, 0x28, 0x2e, 0x9b, 0x96, 0xc4, 0xc1, 0x42, 0xa9, 0x8d,
+    0x69, 0xe5, 0x8f, 0x89, 0x12, 0x11, 0x9a, 0x56, 0x3b, 0x3c, 0x2b, 0xb4, 0xb2, 0x7b, 0xfd, 0xdb, 0x80, 0x92, 0xb4,
+    0xca, 0x44, 0x37, 0x8c, 0x94, 0x2f, 0x4a, 0xb4, 0xc4, 0x28, 0x83, 0x8a, 0x78, 0xcb, 0xd2, 0x5c, 0x5c, 0x35, 0x29,
+    0x95, 0x35, 0x2f, 0x99, 0x28, 0x4f, 0x22, 0x18, 0x70, 0x85, 0xee, 0x2c, 0xb9, 0xef, 0x14, 0x57, 0x73, 0x23, 0x45,
+    0xae, 0xdc, 0x54, 0x56, 0x55, 0x78, 0x56, 0xad, 0x48, 0x26, 0x27, 0xbf, 0xcb, 0xd7, 0x54, 0xa9, 0xa8, 0xd7, 0xb5,
+    0x71, 0x9c, 0xe7, 0x79, 0x89, 0x5c, 0xa9, 0x6a, 0x53, 0xe8, 0xfa, 0x0d, 0x69, 0x36, 0xed, 0xad, 0x33, 0xc9, 0x75,
+    0x17, 0xe9, 0x8f, 0x31, 0x58, 0xa6, 0x27, 0xfc, 0x79, 0xc6, 0xb6, 0xd5, 0x65, 0x90, 0x31, 0xc6, 0x9d, 0x29, 0x95,
+    0x83, 0xe5, 0x4e, 0xbb, 0xd7, 0xdc, 0x8e, 0xd0, 0x3a, 0x54, 0x27, 0xce, 0xf5, 0xdb, 0xbd, 0x89, 0x3c, 0x61, 0xb3,
+    0x71, 0x23, 0xc7, 0x55, 0x9e, 0xea, 0x50, 0xe4, 0x37, 0xae, 0x72, 0x34, 0x66, 0xb9, 0x6e, 0x2c, 0x0a, 0x69, 0x8d,
+    0x94, 0x8b, 0x98, 0x08, 0x05, 0x3c, 0x45, 0x45, 0xe1, 0x6c, 0x22, 0xc5, 0x8f, 0x1f, 0x9f, 0x3f, 0xd2, 0x01, 0x12,
+    0xec, 0x86, 0x2f, 0x87, 0x8b, 0x47, 0x30, 0xd0, 0x77, 0x77, 0x1a, 0x13, 0x2d, 0xc6, 0x31, 0x65, 0x77, 0xd8, 0x8c,
+    0xe7, 0xe0, 0x16, 0xf9, 0x4b, 0xd4, 0xc5, 0xa8, 0x67, 0x79, 0xe7, 0xc3, 0x07, 0x94, 0x46, 0xa3, 0x8c, 0x67, 0xd3,
+    0xff, 0x5f, 0x96, 0xfa, 0xed, 0xa7, 0xd3, 0xdd, 0x4f, 0x27, 0x49, 0x27, 0xcf, 0xa4, 0x02, 0xc3, 0x27, 0x3c, 0x96,
+    0x64, 0x24, 0x55, 0xc8, 0x36, 0x45, 0x68, 0x90, 0xea, 0x03, 0x0b, 0x46, 0xa7, 0x8d, 0xb4, 0x26, 0x91, 0x07, 0x4c,
+    0x80, 0x7b, 0x93, 0xa8, 0x10, 0xcb, 0x5e, 0x8d, 0x42, 0x86, 0x3e, 0x2a, 0x7c, 0x99, 0x79, 0x8e, 0xcb, 0x43, 0x28};
 
 // Backwards compatibility alias
 #define INDEX_GZ INDEX_BR

esphome/components/captive_portal/captive_portal.cpp

@@ -2,6 +2,8 @@
 #ifdef USE_CAPTIVE_PORTAL
 #include "esphome/core/log.h"
 #include "esphome/core/application.h"
+#include "esphome/core/helpers.h"
+#include "esphome/core/string_ref.h"
 #include "esphome/components/wifi/wifi_component.h"
 #include "captive_index.h"
 
@@ -24,23 +26,30 @@ void CaptivePortal::handle_config(AsyncWebServerRequest *request) {
   stream->printf(R"({"mac":"%s","name":"%s","aps":[{})", mac_str, App.get_name().c_str());
 #endif
 
-  for (auto &scan : wifi::global_wifi_component->get_scan_result()) {
-    if (scan.get_is_hidden())
-      continue;
+  // An SSID can contain a " or \ that would break the JSON, so escape it before writing it out. An SSID is at most
+  // 32 bytes (IEEE 802.11), so this is large enough that nothing is ever dropped. Reused for every scan result.
+  char escaped_ssid[32 * JSON_ESCAPE_MAX_EXPANSION + 1];
+  {
+    // Invariant: only bounded in-memory work under the lock; the network send
+    // happens later in request->send()
+    wifi::ScanResultsLock lock(wifi::global_wifi_component);
+    for (const auto &scan : wifi::global_wifi_component->get_scan_result()) {
+      if (scan.get_is_hidden())
+        continue;
 
-      // Assumes no " in ssid, possible unicode isses?
+      json_escape_into_buffer(escaped_ssid, scan.get_ssid());
 #ifdef USE_ESP8266
-    stream->print(ESPHOME_F(",{\"ssid\":\""));
-    stream->print(scan.get_ssid().c_str());
-    stream->print(ESPHOME_F("\",\"rssi\":"));
-    stream->print(scan.get_rssi());
-    stream->print(ESPHOME_F(",\"lock\":"));
-    stream->print(scan.get_with_auth());
-    stream->print(ESPHOME_F("}"));
+      stream->print(ESPHOME_F(",{\"ssid\":\""));
+      stream->print(escaped_ssid);
+      stream->print(ESPHOME_F("\",\"rssi\":"));
+      stream->print(scan.get_rssi());
+      stream->print(ESPHOME_F(",\"lock\":"));
+      stream->print(scan.get_with_auth());
+      stream->print(ESPHOME_F("}"));
 #else
-    stream->printf(R"(,{"ssid":"%s","rssi":%d,"lock":%d})", scan.get_ssid().c_str(), scan.get_rssi(),
-                   scan.get_with_auth());
+      stream->printf(R"(,{"ssid":"%s","rssi":%d,"lock":%d})", escaped_ssid, scan.get_rssi(), scan.get_with_auth());
 #endif
+    }
   }
   stream->print(ESPHOME_F("]}"));
   request->send(stream);

esphome/components/climate/__init__.py

@@ -274,7 +274,7 @@ def climate_schema(
 
 @setup_entity("climate")
 async def setup_climate_core_(var, config):
-    visual = config[CONF_VISUAL]
+    visual = config.get(CONF_VISUAL, {})
     if (min_temp := visual.get(CONF_MIN_TEMPERATURE)) is not None:
         cg.add_define("USE_CLIMATE_VISUAL_OVERRIDES")
         cg.add(var.set_visual_min_temperature_override(min_temp))

esphome/components/climate/climate_traits.h

@@ -205,6 +205,9 @@ class ClimateTraits {
   float get_visual_max_humidity() const { return this->visual_max_humidity_; }
   void set_visual_max_humidity(float visual_max_humidity) { this->visual_max_humidity_ = visual_max_humidity; }
 
+  TemperatureUnit get_temperature_unit() const { return this->temperature_unit_; }
+  void set_temperature_unit(TemperatureUnit unit) { this->temperature_unit_ = unit; }
+
  protected:
   void set_mode_support_(climate::ClimateMode mode, bool supported) {
     if (supported) {
@@ -274,6 +277,7 @@ class ClimateTraits {
   climate::ClimateFanModeMask supported_fan_modes_;
   climate::ClimateSwingModeMask supported_swing_modes_;
   climate::ClimatePresetMask supported_presets_;
+  TemperatureUnit temperature_unit_{TemperatureUnit::CELSIUS};
 
   /** Custom mode storage - pointers to vectors owned by the Climate base class.
    *

esphome/components/const/__init__.py

@@ -24,6 +24,7 @@ CONF_IAQ = "iaq"
 CONF_IGNORE_NOT_FOUND = "ignore_not_found"
 CONF_LIBRETINY = "libretiny"
 CONF_LOOP = "loop"
+CONF_NOX_INDEX = "nox_index"
 CONF_ON_PACKET = "on_packet"
 CONF_ON_RECEIVE = "on_receive"
 CONF_ON_STATE_CHANGE = "on_state_change"
@@ -31,14 +32,17 @@ CONF_PARITY = "parity"
 CONF_RECEIVER_FREQUENCY = "receiver_frequency"
 CONF_REQUEST_HEADERS = "request_headers"
 CONF_ROWS = "rows"
+CONF_SCAN_PARAMETERS = "scan_parameters"
 CONF_SHA256 = "sha256"
 CONF_STATE_SAVE_INTERVAL = "state_save_interval"
 CONF_STOP_BITS = "stop_bits"
 CONF_USE_PSRAM = "use_psram"
+CONF_VOC_INDEX = "voc_index"
 CONF_VOLUME_INCREMENT = "volume_increment"
 CONF_VOLUME_INITIAL = "volume_initial"
 CONF_VOLUME_MAX = "volume_max"
 CONF_VOLUME_MIN = "volume_min"
+CONF_WINDOW = "window"
 
 ICON_CURRENT_DC = "mdi:current-dc"
 ICON_SOLAR_PANEL = "mdi:solar-panel"

esphome/components/epaper_spi/colorconv.h

@@ -81,4 +81,134 @@ constexpr NATIVE_COLOR color_to_bwr(Color color, NATIVE_COLOR hw_black, NATIVE_C
   return color_to_bwyr<NATIVE_COLOR>(color, hw_black, hw_white, /*hw_yellow=*/hw_white, hw_red);
 }
 
+/** Map RGB color to discrete BWYRGB hex 6 color key
+ *
+ * Divides the RGB cube into 8 corners by which components are "on" (over 128), same as
+ * color_to_bwyr, but also resolves the green and blue corners instead of folding them into
+ * white/black.
+ *
+ * @tparam NATIVE_COLOR  Type of native hardware color values
+ * @param color     RGB color to convert from
+ * @param hw_black  Native value for black
+ * @param hw_white  Native value for white
+ * @param hw_yellow Native value for yellow
+ * @param hw_red    Native value for red
+ * @param hw_green  Native value for green
+ * @param hw_blue   Native value for blue
+ * @return          Converted native hardware color value
+ * @internal Constexpr. Does not depend on side effects ("pure").
+ */
+template<typename NATIVE_COLOR>
+constexpr NATIVE_COLOR color_to_bwyrgb(Color color, NATIVE_COLOR hw_black, NATIVE_COLOR hw_white,
+                                       NATIVE_COLOR hw_yellow, NATIVE_COLOR hw_red, NATIVE_COLOR hw_green,
+                                       NATIVE_COLOR hw_blue) {
+  const auto [min_rgb, max_rgb] = std::minmax({color.r, color.g, color.b});
+
+  if ((max_rgb - min_rgb) < COLORCONV_GRAY_THRESHOLD) {
+    if ((static_cast<int>(color.r) + color.g + color.b) > 382) {
+      return hw_white;
+    }
+    return hw_black;
+  }
+
+  const bool r_on = (color.r > 128);
+  const bool g_on = (color.g > 128);
+  const bool b_on = (color.b > 128);
+
+  if (r_on && g_on && !b_on) {
+    return hw_yellow;
+  }
+  if (r_on && !g_on && !b_on) {
+    return hw_red;
+  }
+  if (!r_on && g_on && !b_on) {
+    return hw_green;
+  }
+  if (!r_on && !g_on && b_on) {
+    return hw_blue;
+  }
+  // Handle "impure" colors (cyan, magenta) by folding into the closest primary.
+  if (!r_on && g_on && b_on) {
+    return hw_green;  // cyan
+  }
+  if (r_on && !g_on) {
+    return hw_red;  // magenta
+  }
+  if (r_on) {
+    // All high (but not gray) -> white
+    return hw_white;
+  }
+  // !r_on && !g_on && !b_on
+  // All low (but not gray) -> black
+  return hw_black;
+}
+
+/** Map RGB color to discrete BWYRGBO hex 7 color key
+ *
+ * Same corner logic as color_to_bwyrgb, except the red/yellow corner is split three ways
+ * instead of two, for panels with a dedicated orange ink.
+ *
+ * @tparam NATIVE_COLOR  Type of native hardware color values
+ * @param color     RGB color to convert from
+ * @param hw_black  Native value for black
+ * @param hw_white  Native value for white
+ * @param hw_yellow Native value for yellow
+ * @param hw_red    Native value for red
+ * @param hw_green  Native value for green
+ * @param hw_blue   Native value for blue
+ * @param hw_orange Native value for orange
+ * @return          Converted native hardware color value
+ * @internal Constexpr. Does not depend on side effects ("pure").
+ */
+template<typename NATIVE_COLOR>
+constexpr NATIVE_COLOR color_to_bwyrgbo(Color color, NATIVE_COLOR hw_black, NATIVE_COLOR hw_white,
+                                        NATIVE_COLOR hw_yellow, NATIVE_COLOR hw_red, NATIVE_COLOR hw_green,
+                                        NATIVE_COLOR hw_blue, NATIVE_COLOR hw_orange) {
+  const auto [min_rgb, max_rgb] = std::minmax({color.r, color.g, color.b});
+
+  if ((max_rgb - min_rgb) < COLORCONV_GRAY_THRESHOLD) {
+    if ((static_cast<int>(color.r) + color.g + color.b) > 382) {
+      return hw_white;
+    }
+    return hw_black;
+  }
+
+  const bool r_on = (color.r > 128);
+  const bool g_on = (color.g > 128);
+  const bool b_on = (color.b > 128);
+
+  if (r_on && !b_on) {
+    // Between red and yellow: split the gradient in three instead of two, since this panel has a
+    // dedicated orange ink. Named orange (e.g. 0xFFA500) has g close to the midpoint, so the
+    // plain g_on (>128) threshold used by color_to_bwyrgb can't tell it apart from yellow.
+    if (color.g > 170) {
+      return hw_yellow;
+    }
+    if (color.g > 85) {
+      return hw_orange;
+    }
+    return hw_red;
+  }
+  if (!r_on && g_on && !b_on) {
+    return hw_green;
+  }
+  if (!r_on && !g_on && b_on) {
+    return hw_blue;
+  }
+  // Handle "impure" colors (cyan, magenta) by folding into the closest primary.
+  if (!r_on && g_on && b_on) {
+    return hw_green;  // cyan
+  }
+  if (r_on && !g_on) {
+    return hw_red;  // magenta
+  }
+  if (r_on) {
+    // All high (but not gray) -> white
+    return hw_white;
+  }
+  // !r_on && !g_on && !b_on
+  // All low (but not gray) -> black
+  return hw_black;
+}
+
 }  // namespace esphome::epaper_spi

esphome/components/epaper_spi/epaper_spi_4bpp.cpp

@@ -0,0 +1,82 @@
+#include "epaper_spi_4bpp.h"
+
+#include "esphome/core/log.h"
+
+namespace esphome::epaper_spi {
+
+static constexpr const char *const TAG = "epaper_spi.4bpp";
+
+void EPaper4bpp::fill(Color color) {
+  // If clipping is active, fall back to base implementation
+  if (this->get_clipping().is_set()) {
+    EPaperBase::fill(color);
+    return;
+  }
+
+  auto pixel_color = this->color_to_native(color);
+
+  // We store 2 pixels per byte
+  this->buffer_.fill(pixel_color + (pixel_color << 4));
+
+  // Whole buffer just changed; mark the entire canvas dirty.
+  this->x_low_ = 0;
+  this->y_low_ = 0;
+  this->x_high_ = this->width_;
+  this->y_high_ = this->height_;
+}
+
+void EPaper4bpp::clear() {
+  // clear buffer to white, just like real paper.
+  this->fill(COLOR_ON);
+}
+
+void HOT EPaper4bpp::draw_pixel_at(int x, int y, Color color) {
+  if (!this->rotate_coordinates_(x, y))
+    return;
+  auto pixel_bits = this->color_to_native(color);
+  uint32_t pixel_position = x + y * this->get_width_internal();
+  uint32_t byte_position = pixel_position / 2;
+  auto original = this->buffer_[byte_position];
+  if ((pixel_position & 1) != 0) {
+    this->buffer_[byte_position] = (original & 0xF0) | pixel_bits;
+  } else {
+    this->buffer_[byte_position] = (original & 0x0F) | (pixel_bits << 4);
+  }
+}
+
+bool HOT EPaper4bpp::transfer_data() {
+  const uint32_t start_time = App.get_loop_component_start_time();
+  const size_t buffer_length = this->buffer_length_;
+  if (this->current_data_index_ == 0) {
+    this->command(CMD_TRANSFER_DATA);
+  }
+
+  size_t buf_idx = 0;
+  uint8_t bytes_to_send[MAX_TRANSFER_SIZE];
+  while (this->current_data_index_ != buffer_length) {
+    bytes_to_send[buf_idx++] = this->buffer_[this->current_data_index_++];
+
+    if (buf_idx == sizeof bytes_to_send) {
+      this->start_data_();
+      this->write_array(bytes_to_send, buf_idx);
+      this->disable();
+      ESP_LOGV(TAG, "Wrote %d bytes at %ums", buf_idx, (unsigned) millis());
+      buf_idx = 0;
+
+      if (millis() - start_time > MAX_TRANSFER_TIME) {
+        // Let the main loop run and come back next loop
+        return false;
+      }
+    }
+  }
+  // Finished the entire dataset
+  if (buf_idx != 0) {
+    this->start_data_();
+    this->write_array(bytes_to_send, buf_idx);
+    this->disable();
+  }
+  this->current_data_index_ = 0;
+  return true;
+}
+
+}  // namespace esphome::epaper_spi

esphome/components/epaper_spi/epaper_spi_4bpp.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "epaper_spi.h"
+
+namespace esphome::epaper_spi {
+
+/**
+ * Intermediate base for panels with a 4-bit-per-pixel native buffer layout (2 pixels per byte).
+ *
+ * Owns buffer sizing, fill()/clear()/draw_pixel_at() and the chunked SPI transfer loop shared by
+ * this family of controllers. Concrete subclasses supply only their RGB -> 4-bit color mapping via
+ * color_to_native() plus their IC-specific power/refresh/sleep command sequences.
+ */
+class EPaper4bpp : public EPaperBase {
+ public:
+  EPaper4bpp(const char *name, uint16_t width, uint16_t height, const uint8_t *init_sequence,
+             size_t init_sequence_length)
+      : EPaperBase(name, width, height, init_sequence, init_sequence_length, DISPLAY_TYPE_COLOR) {
+    this->buffer_length_ = width * height / 2;  // 2 pixels per byte
+  }
+
+  void fill(Color color) override;
+  void clear() override;
+
+ protected:
+  void draw_pixel_at(int x, int y, Color color) override;
+  bool transfer_data() override;
+
+  /// Map an RGB color to this panel's native 4-bit color key (low nibble).
+  virtual uint8_t color_to_native(Color color) = 0;
+
+  static constexpr uint8_t CMD_TRANSFER_DATA = 0x10;
+};
+
+}  // namespace esphome::epaper_spi

esphome/components/epaper_spi/epaper_spi_inkplate6color.cpp

@@ -0,0 +1,47 @@
+// Reference: https://github.com/SolderedElectronics/Inkplate-Arduino-library (src/boards/Inkplate6COLOR)
+
+#include "epaper_spi_inkplate6color.h"
+#include "colorconv.h"
+
+#include "esphome/core/log.h"
+
+namespace esphome::epaper_spi {
+
+static constexpr const char *const TAG = "epaper_spi.inkplate6color";
+
+// Native hardware color codes for this panel's 4-bit color values.
+enum Inkplate6ColorHex : uint8_t {
+  BLACK = 0,
+  WHITE = 1,
+  GREEN = 2,
+  BLUE = 3,
+  RED = 4,
+  YELLOW = 5,
+  ORANGE = 6,
+};
+
+uint8_t EPaperInkplate6Color::color_to_native(Color color) {
+  return color_to_bwyrgbo<uint8_t>(color, BLACK, WHITE, YELLOW, RED, GREEN, BLUE, ORANGE);
+}
+
+void EPaperInkplate6Color::power_on() {
+  ESP_LOGV(TAG, "Power on");
+  this->command(0x04);
+}
+
+void EPaperInkplate6Color::power_off() {
+  ESP_LOGV(TAG, "Power off");
+  this->command(0x02);
+}
+
+void EPaperInkplate6Color::refresh_screen(bool partial) {
+  ESP_LOGV(TAG, "Refresh");  // full refresh only; partial is unused
+  this->cmd_data(0x12, {0x00});
+}
+
+void EPaperInkplate6Color::deep_sleep() {
+  ESP_LOGV(TAG, "Deep sleep");
+  this->cmd_data(0x07, {0xA5});
+}
+
+}  // namespace esphome::epaper_spi

esphome/components/epaper_spi/epaper_spi_inkplate6color.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "epaper_spi_4bpp.h"
+
+namespace esphome::epaper_spi {
+
+// Soldered Inkplate 6COLOR: 600x448 7-color (black/white/green/blue/red/yellow/orange) e-paper,
+// UC8159-family controller.
+class EPaperInkplate6Color final : public EPaper4bpp {
+ public:
+  using EPaper4bpp::EPaper4bpp;
+
+ protected:
+  uint8_t color_to_native(Color color) override;
+
+  void refresh_screen(bool partial) override;
+  void power_on() override;
+  void power_off() override;
+  void deep_sleep() override;
+};
+
+}  // namespace esphome::epaper_spi

esphome/components/epaper_spi/epaper_spi_spectra_e6.cpp

@@ -1,76 +1,23 @@
 #include "epaper_spi_spectra_e6.h"
-
-#include <algorithm>
+#include "colorconv.h"
 
 #include "esphome/core/log.h"
 
 namespace esphome::epaper_spi {
 static constexpr const char *const TAG = "epaper_spi.6c";
-static constexpr unsigned char GRAY_THRESHOLD = 50;
 
-enum E6Color {
-  BLACK,
-  WHITE,
-  YELLOW,
-  RED,
-  SKIP_1,
-  BLUE,
-  GREEN,
-  CYAN,
-  SKIP_2,
+// Native hardware color codes for this panel's 4-bit color values.
+enum E6Color : uint8_t {
+  BLACK = 0,
+  WHITE = 1,
+  YELLOW = 2,
+  RED = 3,
+  BLUE = 5,
+  GREEN = 6,
 };
 
-static uint8_t color_to_hex(Color color) {
-  // --- Step 1: Check for Grayscale (Black or White) ---
-  // We define "grayscale" as a color where the min and max components
-  // are close to each other.
-  unsigned char max_rgb = std::max({color.r, color.g, color.b});
-  unsigned char min_rgb = std::min({color.r, color.g, color.b});
-
-  if ((max_rgb - min_rgb) < GRAY_THRESHOLD) {
-    // It's a shade of gray. Map to BLACK or WHITE.
-    // We split the luminance at the halfway point (382 = (255*3)/2)
-    if ((static_cast<int>(color.r) + color.g + color.b) > 382) {
-      return WHITE;
-    }
-    return BLACK;
-  }
-  // --- Step 2: Check for Primary/Secondary Colors ---
-  // If it's not gray, it's a color. We check which components are
-  // "on" (over 128) vs "off". This divides the RGB cube into 8 corners.
-  bool r_on = (color.r > 128);
-  bool g_on = (color.g > 128);
-  bool b_on = (color.b > 128);
-
-  if (r_on && g_on && !b_on) {
-    return YELLOW;
-  }
-  if (r_on && !g_on && !b_on) {
-    return RED;
-  }
-  if (!r_on && g_on && !b_on) {
-    return GREEN;
-  }
-  if (!r_on && !g_on && b_on) {
-    return BLUE;
-  }
-  // Handle "impure" colors (Cyan, Magenta)
-  if (!r_on && g_on && b_on) {
-    // Cyan (G+B) -> Closest is Green or Blue. Pick Green.
-    return GREEN;
-  }
-  if (r_on && !g_on) {
-    // Magenta (R+B) -> Closest is Red or Blue. Pick Red.
-    return RED;
-  }
-  // Handle the remaining corners (White-ish, Black-ish)
-  if (r_on) {
-    // All high (but not gray) -> White
-    return WHITE;
-  }
-  // !r_on && !g_on && !b_on
-  // All low (but not gray) -> Black
-  return BLACK;
+uint8_t EPaperSpectraE6::color_to_native(Color color) {
+  return color_to_bwyrgb<uint8_t>(color, BLACK, WHITE, YELLOW, RED, GREEN, BLUE);
 }
 
 void EPaperSpectraE6::power_on() {
@@ -92,71 +39,4 @@ void EPaperSpectraE6::deep_sleep() {
   ESP_LOGV(TAG, "Deep sleep");
   this->cmd_data(0x07, {0xA5});
 }
-
-void EPaperSpectraE6::fill(Color color) {
-  // If clipping is active, fall back to base implementation
-  if (this->get_clipping().is_set()) {
-    EPaperBase::fill(color);
-    return;
-  }
-
-  auto pixel_color = color_to_hex(color);
-
-  // We store 2 pixels per byte
-  this->buffer_.fill(pixel_color + (pixel_color << 4));
-}
-
-void EPaperSpectraE6::clear() {
-  // clear buffer to white, just like real paper.
-  this->fill(COLOR_ON);
-}
-
-void HOT EPaperSpectraE6::draw_pixel_at(int x, int y, Color color) {
-  if (!this->rotate_coordinates_(x, y))
-    return;
-  auto pixel_bits = color_to_hex(color);
-  uint32_t pixel_position = x + y * this->get_width_internal();
-  uint32_t byte_position = pixel_position / 2;
-  auto original = this->buffer_[byte_position];
-  if ((pixel_position & 1) != 0) {
-    this->buffer_[byte_position] = (original & 0xF0) | pixel_bits;
-  } else {
-    this->buffer_[byte_position] = (original & 0x0F) | (pixel_bits << 4);
-  }
-}
-
-bool HOT EPaperSpectraE6::transfer_data() {
-  const uint32_t start_time = App.get_loop_component_start_time();
-  const size_t buffer_length = this->buffer_length_;
-  if (this->current_data_index_ == 0) {
-    this->command(0x10);
-  }
-
-  size_t buf_idx = 0;
-  uint8_t bytes_to_send[MAX_TRANSFER_SIZE];
-  while (this->current_data_index_ != buffer_length) {
-    bytes_to_send[buf_idx++] = this->buffer_[this->current_data_index_++];
-
-    if (buf_idx == sizeof bytes_to_send) {
-      this->start_data_();
-      this->write_array(bytes_to_send, buf_idx);
-      this->disable();
-      ESP_LOGV(TAG, "Wrote %d bytes at %ums", buf_idx, (unsigned) millis());
-      buf_idx = 0;
-
-      if (millis() - start_time > MAX_TRANSFER_TIME) {
-        // Let the main loop run and come back next loop
-        return false;
-      }
-    }
-  }
-  // Finished the entire dataset
-  if (buf_idx != 0) {
-    this->start_data_();
-    this->write_array(bytes_to_send, buf_idx);
-    this->disable();
-  }
-  this->current_data_index_ = 0;
-  return true;
-}
 }  // namespace esphome::epaper_spi

esphome/components/epaper_spi/epaper_spi_spectra_e6.h

@@ -1,28 +1,20 @@
 #pragma once
 
-#include "epaper_spi.h"
+#include "epaper_spi_4bpp.h"
 
 namespace esphome::epaper_spi {
 
-class EPaperSpectraE6 final : public EPaperBase {
+class EPaperSpectraE6 final : public EPaper4bpp {
  public:
-  EPaperSpectraE6(const char *name, uint16_t width, uint16_t height, const uint8_t *init_sequence,
-                  size_t init_sequence_length)
-      : EPaperBase(name, width, height, init_sequence, init_sequence_length, DISPLAY_TYPE_COLOR) {
-    this->buffer_length_ = width * height / 2;  // 2 pixels per byte
-  }
-
-  void fill(Color color) override;
-  void clear() override;
+  using EPaper4bpp::EPaper4bpp;
 
  protected:
+  uint8_t color_to_native(Color color) override;
+
   void refresh_screen(bool partial) override;
   void power_on() override;
   void power_off() override;
   void deep_sleep() override;
-  void draw_pixel_at(int x, int y, Color color) override;
-
-  bool transfer_data() override;
 };
 
 }  // namespace esphome::epaper_spi

esphome/components/epaper_spi/models/inkplate6color.py

@@ -0,0 +1,57 @@
+# Reference: https://github.com/SolderedElectronics/Inkplate-Arduino-library (src/boards/Inkplate6COLOR)
+
+from esphome.components.mipi import delay
+
+from . import EpaperModel
+
+
+class Inkplate6ColorModel(EpaperModel):
+    def __init__(self, name, class_name="EPaperInkplate6Color", **kwargs):
+        super().__init__(name, class_name, **kwargs)
+
+    # fmt: off
+    def get_init_sequence(self, config: dict):
+        width, height = self.get_dimensions(config)
+        return (
+            (0x00, 0xEF, 0x08,),  # panel setting
+            (0x01, 0x37, 0x00, 0x05, 0x05,),  # power setting
+            (0x03, 0x00,),  # power off sequence setting
+            (0x06, 0xC7, 0xC7, 0x1D,),  # booster soft start
+            (0x41, 0x00,),  # temperature sensor enable
+            (0x50, 0x37,),  # VCOM and data interval
+            (0x60, 0x20,),  # TCON setting
+            (0x61, width // 256, width % 256, height // 256, height % 256,),  # resolution set
+            (0xE3, 0xAA,),  # power saving
+            delay(100),
+            (0x50, 0x37,),  # VCOM and data interval, resent once the power-saving setting settles
+        )
+
+
+# Native orientation is landscape (600x448).
+inkplate6color = Inkplate6ColorModel(
+    "inkplate6color",
+    width=600,
+    height=448,
+    # Vendor library drives the panel at 2MHz; the controller doesn't reliably support faster rates.
+    data_rate="2MHz",
+    # Vendor library waits 200ms after releasing reset before talking to the panel.
+    reset_duration="200ms",
+    # A full 7-color refresh takes tens of seconds; disallow faster updates to avoid FSM update loops.
+    minimum_update_interval="30s",
+    # Panel's native buffer orientation is rotated 180 degrees relative to the logical
+    # rotation=0 orientation; confirmed on real hardware.
+    mirror_x=True,
+    mirror_y=True,
+    # Default GPIO pins for the on-board Inkplate 6COLOR wiring.
+    reset_pin=19,
+    dc_pin=33,
+    cs_pin=27,
+    busy_pin={
+        "number": 32,
+        "inverted": True,  # hardware: LOW=busy, HIGH=idle
+        "mode": {
+            "input": True,
+            "pullup": True,
+        },
+    },
+)

esphome/components/esp32/__init__.py

@@ -814,14 +814,15 @@ def _is_framework_url(source: str) -> bool:
 # The default/recommended arduino framework version
 #  - https://github.com/espressif/arduino-esp32/releases
 ARDUINO_FRAMEWORK_VERSION_LOOKUP = {
-    "recommended": cv.Version(3, 3, 10),
-    "latest": cv.Version(3, 3, 10),
-    "dev": cv.Version(3, 3, 10),
+    "recommended": cv.Version(3, 3, 11),
+    "latest": cv.Version(3, 3, 11),
+    "dev": cv.Version(3, 3, 11),
 }
 ARDUINO_PLATFORM_VERSION_LOOKUP = {
     cv.Version(
         4, 0, 0, "alpha1"
     ): "https://github.com/pioarduino/platform-espressif32.git#prep_IDF6",
+    cv.Version(3, 3, 11): cv.Version(55, 3, 311),
     cv.Version(3, 3, 10): cv.Version(55, 3, 39),
     cv.Version(3, 3, 9): cv.Version(55, 3, 39),
     cv.Version(3, 3, 8): cv.Version(55, 3, 38, "1"),
@@ -845,6 +846,7 @@ ARDUINO_PLATFORM_VERSION_LOOKUP = {
 # See: https://github.com/pioarduino/esp-idf/releases
 ARDUINO_IDF_VERSION_LOOKUP = {
     cv.Version(4, 0, 0, "alpha1"): cv.Version(6, 0, 1),
+    cv.Version(3, 3, 11): cv.Version(5, 5, 5),
     cv.Version(3, 3, 10): cv.Version(5, 5, 5),
     cv.Version(3, 3, 9): cv.Version(5, 5, 4),
     cv.Version(3, 3, 8): cv.Version(5, 5, 4),
@@ -879,7 +881,7 @@ ESP_IDF_PLATFORM_VERSION_LOOKUP = {
     cv.Version(
         6, 0, 0
     ): "https://github.com/pioarduino/platform-espressif32.git#prep_IDF6",
-    cv.Version(5, 5, 5): cv.Version(55, 3, 39),
+    cv.Version(5, 5, 5): cv.Version(55, 3, 311),
     cv.Version(5, 5, 4): cv.Version(55, 3, 39),
     cv.Version(5, 5, 3, "1"): cv.Version(55, 3, 37),
     cv.Version(5, 5, 3): cv.Version(55, 3, 37),
@@ -900,8 +902,8 @@ ESP_IDF_PLATFORM_VERSION_LOOKUP = {
 # The platform-espressif32 version
 #  - https://github.com/pioarduino/platform-espressif32/releases
 PLATFORM_VERSION_LOOKUP = {
-    "recommended": cv.Version(55, 3, 39),
-    "latest": cv.Version(55, 3, 39),
+    "recommended": cv.Version(55, 3, 311),
+    "latest": cv.Version(55, 3, 311),
     "dev": "https://github.com/pioarduino/platform-espressif32.git#develop",
 }
 
@@ -1237,6 +1239,13 @@ def final_validate(config):
 
     from .gpio import final_validate_pins
 
+    # Remove before 2027.2.0
+    if CORE.using_toolchain_platformio:
+        _LOGGER.warning(
+            "The 'platformio' toolchain for ESP32 is deprecated and will be removed "
+            "in ESPHome 2027.2.0. Please use 'toolchain: esp-idf' instead."
+        )
+
     errs = []
     conf_fw = config[CONF_FRAMEWORK]
     advanced = conf_fw[CONF_ADVANCED]
@@ -3108,9 +3117,10 @@ def _parse_register(config, regex, line):
 
 
 STACKTRACE_ESP32_PC_RE = re.compile(r".*PC\s*:\s*(?:0x)?(4[0-9a-fA-F]{7}).*")
-STACKTRACE_ESP32_EXCVADDR_RE = re.compile(r"EXCVADDR\s*:\s*(?:0x)?(4[0-9a-fA-F]{7})")
+STACKTRACE_ESP32_EXCVADDR_RE = re.compile(r".*EXCVADDR\s*:\s*(?:0x)?(4[0-9a-fA-F]{7})")
 STACKTRACE_ESP32_C3_PC_RE = re.compile(r"MEPC\s*:\s*(?:0x)?(4[0-9a-fA-F]{7})")
 STACKTRACE_ESP32_C3_RA_RE = re.compile(r"RA\s*:\s*(?:0x)?(4[0-9a-fA-F]{7})")
+STACKTRACE_ESP32_C3_MTVAL_RE = re.compile(r".*MTVAL\s*:\s*(?:0x)?(4[0-9a-fA-F]{7})")
 STACKTRACE_BAD_ALLOC_RE = re.compile(
     r"^last failed alloc call: (4[0-9a-fA-F]{7})\((\d+)\)$"
 )
@@ -3128,9 +3138,10 @@ def process_stacktrace(config, line, backtrace_state):
     # ESP32 PC/EXCVADDR
     _parse_register(config, STACKTRACE_ESP32_PC_RE, line)
     _parse_register(config, STACKTRACE_ESP32_EXCVADDR_RE, line)
-    # ESP32-C3 PC/RA
+    # ESP32-C3 PC/RA/MTVAL
     _parse_register(config, STACKTRACE_ESP32_C3_PC_RE, line)
     _parse_register(config, STACKTRACE_ESP32_C3_RA_RE, line)
+    _parse_register(config, STACKTRACE_ESP32_C3_MTVAL_RE, line)
 
     # bad alloc
     match = re.match(STACKTRACE_BAD_ALLOC_RE, line)

esphome/components/esp32/const.py

@@ -63,4 +63,10 @@ VARIANT_FRIENDLY = {
     VARIANT_ESP32S31: "ESP32-S31",
 }
 
+
+def variant_to_idf_target(variant: str) -> str:
+    """Map an esp32 variant name (e.g. "ESP32S3") to its ESP-IDF target name."""
+    return variant.lower().replace("-", "")
+
+
 esp32_ns = cg.esphome_ns.namespace("esp32")

esphome/components/esp32/crash_handler.cpp

@@ -122,7 +122,7 @@ static uint8_t IRAM_ATTR capture_riscv_backtrace(RvExcFrame *frame, uint32_t *ou
 // Magic is second to validate the data. Remaining fields can change between versions.
 // Version is uint32_t because it would be padded to 4 bytes anyway before the next
 // uint32_t field, so we use the full width rather than wasting 3 bytes of padding.
-static constexpr uint32_t CRASH_DATA_VERSION = 2;
+static constexpr uint32_t CRASH_DATA_VERSION = 3;
 struct RawCrashData {
   uint32_t version;
   uint32_t magic;
@@ -132,7 +132,8 @@ struct RawCrashData {
   uint8_t exception;        // panic_exception_t enum (FAULT/ABORT/IWDT/TWDT/DEBUG)
   uint8_t pseudo_excause;   // Whether cause is a pseudo exception (Xtensa SoC-level panic)
   uint32_t backtrace[MAX_BACKTRACE];
-  uint32_t cause;  // Architecture-specific: exccause (Xtensa) or mcause (RISC-V)
+  uint32_t cause;       // Architecture-specific: exccause (Xtensa) or mcause (RISC-V)
+  uint32_t fault_addr;  // Faulting memory address: excvaddr (Xtensa) or mtval (RISC-V)
   uint8_t crashed_core;
 #if SOC_CPU_CORES_NUM > 1
   static_assert(SOC_CPU_CORES_NUM == 2, "Dual-core logic assumes exactly 2 cores");
@@ -240,6 +241,16 @@ static const char *get_exception_reason() {
       nullptr,
       "LoadProhibited",
       "StoreProhibited",
+      nullptr,
+      nullptr,
+      "Cp0Dis",
+      "Cp1Dis",
+      "Cp2Dis",
+      "Cp3Dis",
+      "Cp4Dis",
+      "Cp5Dis",
+      "Cp6Dis",
+      "Cp7Dis",
   };
   uint32_t cause = s_raw_crash_data.cause;
   if (cause < sizeof(REASON) / sizeof(REASON[0]) && REASON[cause] != nullptr)
@@ -332,12 +343,24 @@ void crash_handler_log() {
   ESP_LOGE(TAG, "*** CRASH DETECTED ON PREVIOUS BOOT ***");
   const char *reason = get_exception_reason();
   if (reason != nullptr) {
-    ESP_LOGE(TAG, "  Reason: %s - %s", get_exception_type(), reason);
+    ESP_LOGE(TAG, "  Reason: %s - %s (cause %" PRIu32 ")", get_exception_type(), reason, s_raw_crash_data.cause);
   } else {
     ESP_LOGE(TAG, "  Reason: %s", get_exception_type());
   }
   ESP_LOGE(TAG, "  Crashed core: %d", s_raw_crash_data.crashed_core);
   ESP_LOGE(TAG, "  PC:  0x%08" PRIX32 "  (fault location)", s_raw_crash_data.pc);
+  // Faulting memory address — only meaningful for real CPU faults, not
+  // aborts/watchdogs or SoC-level pseudo exceptions. Uses the same register
+  // name as ESP-IDF's live register dump for the architecture (EXCVADDR on
+  // Xtensa, MTVAL on RISC-V) so the CLI decodes it when it happens to be a
+  // code address.
+  if (s_raw_crash_data.exception == PANIC_EXCEPTION_FAULT && !s_raw_crash_data.pseudo_excause) {
+#if CONFIG_IDF_TARGET_ARCH_XTENSA
+    ESP_LOGE(TAG, "  EXCVADDR: 0x%08" PRIX32 "  (faulting address)", s_raw_crash_data.fault_addr);
+#elif CONFIG_IDF_TARGET_ARCH_RISCV
+    ESP_LOGE(TAG, "  MTVAL: 0x%08" PRIX32 "  (faulting address)", s_raw_crash_data.fault_addr);
+#endif
+  }
   log_backtrace(s_raw_crash_data.backtrace, s_raw_crash_data.backtrace_count, s_raw_crash_data.reg_frame_count);
 
 #if SOC_CPU_CORES_NUM > 1
@@ -382,6 +405,9 @@ void IRAM_ATTR __wrap_esp_panic_handler(panic_info_t *info) {
   s_raw_crash_data.exception = (uint8_t) info->exception;
   s_raw_crash_data.pseudo_excause = info->pseudo_excause ? 1 : 0;
   s_raw_crash_data.crashed_core = (uint8_t) info->core;
+  // Zero unconditionally so a null frame doesn't leave stale .noinit data from a previous boot
+  s_raw_crash_data.cause = 0;
+  s_raw_crash_data.fault_addr = 0;
 #if SOC_CPU_CORES_NUM > 1
   s_raw_crash_data.other_backtrace_count = 0;
   s_raw_crash_data.other_reg_frame_count = 0;
@@ -392,6 +418,7 @@ void IRAM_ATTR __wrap_esp_panic_handler(panic_info_t *info) {
   if (info->frame != nullptr) {
     auto *xt_frame = (XtExcFrame *) info->frame;
     s_raw_crash_data.cause = xt_frame->exccause;
+    s_raw_crash_data.fault_addr = xt_frame->excvaddr;
     s_raw_crash_data.backtrace_count = walk_xtensa_backtrace(xt_frame, s_raw_crash_data.backtrace, MAX_BACKTRACE);
   }
 
@@ -414,6 +441,7 @@ void IRAM_ATTR __wrap_esp_panic_handler(panic_info_t *info) {
   if (info->frame != nullptr) {
     auto *rv_frame = (RvExcFrame *) info->frame;
     s_raw_crash_data.cause = rv_frame->mcause;
+    s_raw_crash_data.fault_addr = rv_frame->mtval;
     s_raw_crash_data.backtrace_count =
         capture_riscv_backtrace(rv_frame, s_raw_crash_data.backtrace, MAX_BACKTRACE, &s_raw_crash_data.reg_frame_count);
   }

esphome/components/esp32_ble/__init__.py

@@ -2,11 +2,19 @@ from collections.abc import Callable, MutableMapping
 from dataclasses import dataclass
 from enum import Enum
 import logging
-import re
 from typing import Any
 
 from esphome import automation
 import esphome.codegen as cg
+
+# bt_uuid validation lives in the platform-neutral ble_device_base; re-exported
+# here for backward compatibility.
+from esphome.components.ble_device_base import (  # noqa: F401  # pylint: disable=unused-import
+    BT_UUID16_FORMAT as bt_uuid16_format,
+    BT_UUID32_FORMAT as bt_uuid32_format,
+    BT_UUID128_FORMAT as bt_uuid128_format,
+    bt_uuid,
+)
 from esphome.components.const import CONF_USE_PSRAM
 from esphome.components.esp32 import (
     add_idf_sdkconfig_option,
@@ -28,6 +36,7 @@ from esphome.core import CORE, CoroPriority, TimePeriod, coroutine_with_priority
 import esphome.final_validate as fv
 from esphome.types import ConfigType
 
+AUTO_LOAD = ["ble_device_base"]  # ble_uuid.h builds on the neutral ESPBTUUID
 DEPENDENCIES = ["esp32"]
 CODEOWNERS = ["@jesserockz", "@Rapsssito", "@bdraco"]
 DOMAIN = "esp32_ble"
@@ -372,43 +381,6 @@ def _validate_key_sizes(config: ConfigType) -> ConfigType:
 CONFIG_SCHEMA = cv.All(CONFIG_SCHEMA, _validate_key_sizes)
 
 
-bt_uuid16_format = "XXXX"
-bt_uuid32_format = "XXXXXXXX"
-bt_uuid128_format = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX"
-
-
-def bt_uuid(value):
-    in_value = cv.string_strict(value)
-    value = in_value.upper()
-
-    if len(value) == len(bt_uuid16_format):
-        pattern = re.compile("^[A-F0-9]{4,}$")
-        if not pattern.match(value):
-            raise cv.Invalid(
-                f"Invalid hexadecimal value for 16 bit UUID format: '{in_value}'"
-            )
-        return value
-    if len(value) == len(bt_uuid32_format):
-        pattern = re.compile("^[A-F0-9]{8,}$")
-        if not pattern.match(value):
-            raise cv.Invalid(
-                f"Invalid hexadecimal value for 32 bit UUID format: '{in_value}'"
-            )
-        return value
-    if len(value) == len(bt_uuid128_format):
-        pattern = re.compile(
-            "^[A-F0-9]{8,}-[A-F0-9]{4,}-[A-F0-9]{4,}-[A-F0-9]{4,}-[A-F0-9]{12,}$"
-        )
-        if not pattern.match(value):
-            raise cv.Invalid(
-                f"Invalid hexadecimal value for 128 UUID format: '{in_value}'"
-            )
-        return value
-    raise cv.Invalid(
-        f"Bluetooth UUID must be in 16 bit '{bt_uuid16_format}', 32 bit '{bt_uuid32_format}', or 128 bit '{bt_uuid128_format}' format"
-    )
-
-
 def validate_variant(_):
     variant = get_esp32_variant()
     if variant in NO_BLUETOOTH_VARIANTS:

esphome/components/esp32_ble/ble.cpp

@@ -58,6 +58,7 @@ static constexpr uint32_t HOSTED_BT_WDT_TIMEOUT_MS = 60000;
   case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT: \
   case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT: \
   case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT: \
+  case ESP_GAP_BLE_SCAN_RSP_DATA_RAW_SET_COMPLETE_EVT: \
   case ESP_GAP_BLE_ADV_START_COMPLETE_EVT: \
   case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT
 

esphome/components/esp32_ble/ble_advertising.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "esphome/core/defines.h"
+#include "ble_uuid.h"
 
 #include <array>
 #include <functional>
@@ -15,8 +16,6 @@
 
 namespace esphome::esp32_ble {
 
-class ESPBTUUID;
-
 class BLEAdvertising {
  public:
   BLEAdvertising(uint32_t advertising_cycle_time);

esphome/components/esp32_ble/ble_event.h

@@ -207,7 +207,7 @@ class BLEEvent {
         StatusOnlyData scan_complete;  // 1 byte
         // Advertising complete events all have same structure
         // Used by: esp32_ble_beacon, esp32_ble server components
-        // ADV_DATA_SET, SCAN_RSP_DATA_SET, ADV_DATA_RAW_SET, ADV_START, ADV_STOP
+        // ADV_DATA_SET, SCAN_RSP_DATA_SET, ADV_DATA_RAW_SET, SCAN_RSP_DATA_RAW_SET, ADV_START, ADV_STOP
         StatusOnlyData adv_complete;  // 1 byte
         // RSSI complete event
         // Used by: ble_client (ble_rssi_sensor component)
@@ -324,6 +324,9 @@ class BLEEvent {
       case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:  // Used by: esp32_ble_beacon
         this->event_.gap.adv_complete.status = p->adv_data_raw_cmpl.status;
         break;
+      case ESP_GAP_BLE_SCAN_RSP_DATA_RAW_SET_COMPLETE_EVT:  // Used by: raw advertisers with scan response
+        this->event_.gap.adv_complete.status = p->scan_rsp_data_raw_cmpl.status;
+        break;
       case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:  // Used by: esp32_ble_beacon
         this->event_.gap.adv_complete.status = p->adv_start_cmpl.status;
         break;

esphome/components/esp32_ble/ble_uuid.cpp

@@ -1,187 +0,0 @@
-#include "ble_uuid.h"
-
-#ifdef USE_ESP32
-#ifdef USE_ESP32_BLE_UUID
-
-#include <cstring>
-#include <cstdio>
-#include <cinttypes>
-#include "esphome/core/log.h"
-#include "esphome/core/helpers.h"
-
-namespace esphome::esp32_ble {
-
-static const char *const TAG = "esp32_ble";
-
-ESPBTUUID::ESPBTUUID() : uuid_() {}
-ESPBTUUID ESPBTUUID::from_uint16(uint16_t uuid) {
-  ESPBTUUID ret;
-  ret.uuid_.len = ESP_UUID_LEN_16;
-  ret.uuid_.uuid.uuid16 = uuid;
-  return ret;
-}
-ESPBTUUID ESPBTUUID::from_uint32(uint32_t uuid) {
-  ESPBTUUID ret;
-  ret.uuid_.len = ESP_UUID_LEN_32;
-  ret.uuid_.uuid.uuid32 = uuid;
-  return ret;
-}
-ESPBTUUID ESPBTUUID::from_raw(const uint8_t *data) {
-  ESPBTUUID ret;
-  ret.uuid_.len = ESP_UUID_LEN_128;
-  memcpy(ret.uuid_.uuid.uuid128, data, ESP_UUID_LEN_128);
-  return ret;
-}
-ESPBTUUID ESPBTUUID::from_raw_reversed(const uint8_t *data) {
-  ESPBTUUID ret;
-  ret.uuid_.len = ESP_UUID_LEN_128;
-  for (uint8_t i = 0; i < ESP_UUID_LEN_128; i++)
-    ret.uuid_.uuid.uuid128[ESP_UUID_LEN_128 - 1 - i] = data[i];
-  return ret;
-}
-ESPBTUUID ESPBTUUID::from_raw(const char *data, size_t length) {
-  ESPBTUUID ret;
-  if (length == 4) {
-    // 16-bit UUID as 4-character hex string
-    auto parsed = parse_hex<uint16_t>(data, length);
-    if (parsed.has_value()) {
-      ret.uuid_.len = ESP_UUID_LEN_16;
-      ret.uuid_.uuid.uuid16 = parsed.value();
-    }
-  } else if (length == 8) {
-    // 32-bit UUID as 8-character hex string
-    auto parsed = parse_hex<uint32_t>(data, length);
-    if (parsed.has_value()) {
-      ret.uuid_.len = ESP_UUID_LEN_32;
-      ret.uuid_.uuid.uuid32 = parsed.value();
-    }
-  } else if (length == 16) {  // how we can have 16 byte length string reprezenting 128 bit uuid??? needs to be
-                              // investigated (lack of time)
-    ret.uuid_.len = ESP_UUID_LEN_128;
-    memcpy(ret.uuid_.uuid.uuid128, reinterpret_cast<const uint8_t *>(data), 16);
-  } else if (length == 36) {
-    // If the length of the string is 36 bytes then we will assume it is a long hex string in
-    // UUID format.
-    ret.uuid_.len = ESP_UUID_LEN_128;
-    int n = 0;
-    for (size_t i = 0; i < length; i += 2) {
-      if (data[i] == '-')
-        i++;
-      uint8_t msb = data[i];
-      uint8_t lsb = data[i + 1];
-
-      if (msb > '9')
-        msb -= 7;
-      if (lsb > '9')
-        lsb -= 7;
-      ret.uuid_.uuid.uuid128[15 - n++] = ((msb & 0x0F) << 4) | (lsb & 0x0F);
-    }
-  } else {
-    ESP_LOGE(TAG, "ERROR: UUID value not 2, 4, 16 or 36 bytes - %s", data);
-  }
-  return ret;
-}
-ESPBTUUID ESPBTUUID::from_uuid(esp_bt_uuid_t uuid) {
-  ESPBTUUID ret;
-  ret.uuid_.len = uuid.len;
-  if (uuid.len == ESP_UUID_LEN_16) {
-    ret.uuid_.uuid.uuid16 = uuid.uuid.uuid16;
-  } else if (uuid.len == ESP_UUID_LEN_32) {
-    ret.uuid_.uuid.uuid32 = uuid.uuid.uuid32;
-  } else if (uuid.len == ESP_UUID_LEN_128) {
-    memcpy(ret.uuid_.uuid.uuid128, uuid.uuid.uuid128, ESP_UUID_LEN_128);
-  }
-  return ret;
-}
-ESPBTUUID ESPBTUUID::as_128bit() const {
-  if (this->uuid_.len == ESP_UUID_LEN_128) {
-    return *this;
-  }
-  uint8_t data[] = {0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-  uint32_t uuid32;
-  if (this->uuid_.len == ESP_UUID_LEN_32) {
-    uuid32 = this->uuid_.uuid.uuid32;
-  } else {
-    uuid32 = this->uuid_.uuid.uuid16;
-  }
-  for (uint16_t i = 0; i < this->uuid_.len; i++) {
-    data[12 + i] = ((uuid32 >> i * 8) & 0xFF);
-  }
-  return ESPBTUUID::from_raw(data);
-}
-bool ESPBTUUID::contains(uint8_t data1, uint8_t data2) const {
-  if (this->uuid_.len == ESP_UUID_LEN_16) {
-    return (this->uuid_.uuid.uuid16 >> 8) == data2 && (this->uuid_.uuid.uuid16 & 0xFF) == data1;
-  } else if (this->uuid_.len == ESP_UUID_LEN_32) {
-    for (uint8_t i = 0; i < 3; i++) {
-      bool a = ((this->uuid_.uuid.uuid32 >> i * 8) & 0xFF) == data1;
-      bool b = ((this->uuid_.uuid.uuid32 >> (i + 1) * 8) & 0xFF) == data2;
-      if (a && b)
-        return true;
-    }
-  } else {
-    for (uint8_t i = 0; i < 15; i++) {
-      if (this->uuid_.uuid.uuid128[i] == data1 && this->uuid_.uuid.uuid128[i + 1] == data2)
-        return true;
-    }
-  }
-  return false;
-}
-bool ESPBTUUID::operator==(const ESPBTUUID &uuid) const {
-  if (this->uuid_.len == uuid.uuid_.len) {
-    switch (this->uuid_.len) {
-      case ESP_UUID_LEN_16:
-        return this->uuid_.uuid.uuid16 == uuid.uuid_.uuid.uuid16;
-      case ESP_UUID_LEN_32:
-        return this->uuid_.uuid.uuid32 == uuid.uuid_.uuid.uuid32;
-      case ESP_UUID_LEN_128:
-        return memcmp(this->uuid_.uuid.uuid128, uuid.uuid_.uuid.uuid128, ESP_UUID_LEN_128) == 0;
-      default:
-        return false;
-    }
-  }
-  return this->as_128bit() == uuid.as_128bit();
-}
-esp_bt_uuid_t ESPBTUUID::get_uuid() const { return this->uuid_; }
-const char *ESPBTUUID::to_str(std::span<char, UUID_STR_LEN> output) const {
-  char *pos = output.data();
-
-  switch (this->uuid_.len) {
-    case ESP_UUID_LEN_16:
-      *pos++ = '0';
-      *pos++ = 'x';
-      *pos++ = format_hex_pretty_char(this->uuid_.uuid.uuid16 >> 12);
-      *pos++ = format_hex_pretty_char((this->uuid_.uuid.uuid16 >> 8) & 0x0F);
-      *pos++ = format_hex_pretty_char((this->uuid_.uuid.uuid16 >> 4) & 0x0F);
-      *pos++ = format_hex_pretty_char(this->uuid_.uuid.uuid16 & 0x0F);
-      *pos = '\0';
-      return output.data();
-
-    case ESP_UUID_LEN_32:
-      *pos++ = '0';
-      *pos++ = 'x';
-      for (int shift = 28; shift >= 0; shift -= 4) {
-        *pos++ = format_hex_pretty_char((this->uuid_.uuid.uuid32 >> shift) & 0x0F);
-      }
-      *pos = '\0';
-      return output.data();
-
-    default:
-    case ESP_UUID_LEN_128:
-      // Format: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
-      for (int8_t i = 15; i >= 0; i--) {
-        uint8_t byte = this->uuid_.uuid.uuid128[i];
-        *pos++ = format_hex_pretty_char(byte >> 4);
-        *pos++ = format_hex_pretty_char(byte & 0x0F);
-        if (i == 12 || i == 10 || i == 8 || i == 6) {
-          *pos++ = '-';
-        }
-      }
-      *pos = '\0';
-      return output.data();
-  }
-}
-}  // namespace esphome::esp32_ble
-
-#endif  // USE_ESP32_BLE_UUID
-#endif  // USE_ESP32

esphome/components/esp32_ble/ble_uuid.h

@@ -1,56 +1,21 @@
 #pragma once
 
 #include "esphome/core/defines.h"
-#include "esphome/core/hal.h"
-#include "esphome/core/helpers.h"
 
 #ifdef USE_ESP32
 #ifdef USE_ESP32_BLE_UUID
 
-#include <initializer_list>
-#include <span>
-#include <string>
-#include <esp_bt_defs.h>
+// The BLE UUID type is owned by the platform-neutral ble_device_base layer;
+// this header re-exports it under the historical esp32_ble name (esp32 only).
+// The full historical API surface — including from_uuid()/get_uuid() with the
+// ESP-IDF esp_bt_uuid_t type — is preserved on esp32 builds.
+
+#include "esphome/components/ble_device_base/ble_device.h"
 
 namespace esphome::esp32_ble {
 
-/// Buffer size for UUID string: "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX\0"
-static constexpr size_t UUID_STR_LEN = 37;
-
-class ESPBTUUID {
- public:
-  ESPBTUUID();
-
-  static ESPBTUUID from_uint16(uint16_t uuid);
-
-  static ESPBTUUID from_uint32(uint32_t uuid);
-
-  static ESPBTUUID from_raw(const uint8_t *data);
-  static ESPBTUUID from_raw_reversed(const uint8_t *data);
-
-  static ESPBTUUID from_raw(const char *data, size_t length);
-  static ESPBTUUID from_raw(const char *data) { return from_raw(data, strlen(data)); }
-  static ESPBTUUID from_raw(const std::string &data) { return from_raw(data.c_str(), data.length()); }
-  static ESPBTUUID from_raw(std::initializer_list<uint8_t> data) {
-    return from_raw(reinterpret_cast<const char *>(data.begin()), data.size());
-  }
-
-  static ESPBTUUID from_uuid(esp_bt_uuid_t uuid);
-
-  ESPBTUUID as_128bit() const;
-
-  bool contains(uint8_t data1, uint8_t data2) const;
-
-  bool operator==(const ESPBTUUID &uuid) const;
-  bool operator!=(const ESPBTUUID &uuid) const { return !(*this == uuid); }
-
-  esp_bt_uuid_t get_uuid() const;
-
-  const char *to_str(std::span<char, UUID_STR_LEN> output) const;
-
- protected:
-  esp_bt_uuid_t uuid_;
-};
+using ble_device_base::UUID_STR_LEN;
+using ESPBTUUID = ble_device_base::ESPBTUUID;
 
 }  // namespace esphome::esp32_ble
 

esphome/components/esp32_ble_tracker/__init__.py

@@ -5,7 +5,8 @@ import logging
 
 from esphome import automation
 import esphome.codegen as cg
-from esphome.components import esp32_ble, ota
+from esphome.components import ble_device_base, esp32_ble, ota
+from esphome.components.const import CONF_SCAN_PARAMETERS, CONF_WINDOW
 from esphome.components.esp32 import (
     add_idf_sdkconfig_option,
     request_bluetooth,
@@ -39,13 +40,11 @@ from esphome.core import CORE, CoroPriority, coroutine_with_priority
 from esphome.enum import StrEnum
 from esphome.types import ConfigType
 
-AUTO_LOAD = ["esp32_ble"]
+AUTO_LOAD = ["ble_device_base", "esp32_ble"]
 DEPENDENCIES = ["esp32"]
 CODEOWNERS = ["@bdraco"]
 
 CONF_ESP32_BLE_ID = "esp32_ble_id"
-CONF_SCAN_PARAMETERS = "scan_parameters"
-CONF_WINDOW = "window"
 CONF_ON_SCAN_END = "on_scan_end"
 CONF_SOFTWARE_COEXISTENCE = "software_coexistence"
 
@@ -93,6 +92,7 @@ def register_ble_features(features: set[BLEFeatures]) -> None:
 esp32_ble_tracker_ns = cg.esphome_ns.namespace("esp32_ble_tracker")
 ESP32BLETracker = esp32_ble_tracker_ns.class_(
     "ESP32BLETracker",
+    ble_device_base.BLEHub,
     cg.Component,
     cg.Parented.template(esp32_ble.ESP32BLE),
 )
@@ -153,26 +153,11 @@ def validate_max_connections_deprecated(config: ConfigType) -> ConfigType:
     return config
 
 
-def as_hex(value):
-    return cg.RawExpression(f"0x{value}ULL")
-
-
-def as_hex_array(value):
-    value = value.replace("-", "")
-    cpp_array = [
-        f"0x{part}" for part in [value[i : i + 2] for i in range(0, len(value), 2)]
-    ]
-    return cg.RawExpression(f"(uint8_t*)(const uint8_t[16]){{{','.join(cpp_array)}}}")
-
-
-def as_reversed_hex_array(value):
-    value = value.replace("-", "")
-    cpp_array = [
-        f"0x{part}" for part in [value[i : i + 2] for i in range(0, len(value), 2)]
-    ]
-    return cg.RawExpression(
-        f"(uint8_t*)(const uint8_t[16]){{{','.join(reversed(cpp_array))}}}"
-    )
+# Codegen helpers are owned by ble_device_base; kept under the historical names
+# here for the components that import them from this module.
+as_hex = ble_device_base.as_hex
+as_hex_array = ble_device_base.as_hex_array
+as_reversed_hex_array = ble_device_base.as_reversed_hex_array
 
 
 CONFIG_SCHEMA = cv.All(
@@ -254,6 +239,10 @@ async def to_code(config):
     # Register the loggers this component needs
     esp32_ble.register_bt_logger(BTLoggers.BLE_SCAN)
 
+    # Behavior parity with the pre-split tracker: IRK resolution is always
+    # available on esp32 (sensors with irk: worked without opting in).
+    ble_device_base.request_irk_support()
+
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)
 
@@ -346,6 +335,14 @@ async def to_code(config):
 async def _add_ble_features():
     # Add feature-specific defines based on what's needed
     required_features = _get_required_features()
+    # Sensors registered through the neutral ble_device_base path (BLEHub) need
+    # the parsed-device pipeline compiled in, exactly like esp32-path listeners.
+    neutral_listener_count = ble_device_base.get_listener_count()
+    if neutral_listener_count > 0:
+        required_features.add(BLEFeatures.ESP_BT_DEVICE)
+        # StaticVector sizing for the neutral (BLEHub) listener list — same
+        # pattern as the esp32-path registration counts below.
+        cg.add_define("ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT", neutral_listener_count)
     if BLEFeatures.ESP_BT_DEVICE in required_features:
         cg.add_define("USE_ESP32_BLE_DEVICE")
         cg.add_define("USE_ESP32_BLE_UUID")

esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp

@@ -27,15 +27,6 @@
 #include <esp_coexist.h>
 #endif
 
-#ifdef USE_ESP32_BLE_DEVICE
-#ifdef USE_BLE_TRACKER_PSA_AES
-#include <psa/crypto.h>
-#else
-#define MBEDTLS_AES_ALT
-#include <aes_alt.h>
-#endif
-#endif  // USE_ESP32_BLE_DEVICE
-
 // bt_trace.h
 #undef TAG
 
@@ -43,9 +34,6 @@ namespace esphome::esp32_ble_tracker {
 
 static const char *const TAG = "esp32_ble_tracker";
 
-// BLE advertisement max: 31 bytes adv data + 31 bytes scan response
-static constexpr size_t BLE_ADV_MAX_LOG_BYTES = 62;
-
 ESP32BLETracker *global_esp32_ble_tracker = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
 
 const char *client_state_to_string(ClientState state) {
@@ -263,10 +251,14 @@ void ESP32BLETracker::start_scan_(bool first) {
 #ifdef ESPHOME_ESP32_BLE_TRACKER_LISTENER_COUNT
     for (auto *listener : this->listeners_)
       listener->on_scan_end();
+#endif
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+    for (auto *listener : this->neutral_listeners_)
+      listener->on_scan_end();
 #endif
   }
 #ifdef USE_ESP32_BLE_DEVICE
-  this->already_discovered_.clear();
+  this->discovered_log_.clear();
 #endif
   this->scan_params_.scan_type = this->scan_active_ ? BLE_SCAN_TYPE_ACTIVE : BLE_SCAN_TYPE_PASSIVE;
   this->scan_params_.own_addr_type = BLE_ADDR_TYPE_PUBLIC;
@@ -304,6 +296,21 @@ void ESP32BLETracker::register_client(ESPBTClient *client) {
 #endif
 }
 
+void ESP32BLETracker::register_listener(ble_device_base::ESPBTDeviceListener *listener) {
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+  // Neutral BLEHub path (migrated sensors): parsed-advertisement consumers only.
+  this->neutral_listeners_.push_back(listener);
+  this->parse_advertisements_ = true;
+#endif
+}
+
+void ESP32BLETracker::get_adapter_mac(uint8_t out[6]) {
+  get_mac_address_raw(out);  // WiFi base MAC, MSB-first
+  // BT MAC = base MAC + 2 on the last octet only, wrapping without carry —
+  // exactly ESP-IDF's esp_read_mac(ESP_MAC_BT): mac[5] += MAC_ADDR_UNIVERSE_BT_OFFSET.
+  out[5] += 2;
+}
+
 void ESP32BLETracker::register_listener(ESPBTDeviceListener *listener) {
 #ifdef ESPHOME_ESP32_BLE_TRACKER_LISTENER_COUNT
   listener->set_parent(this);
@@ -315,6 +322,13 @@ void ESP32BLETracker::register_listener(ESPBTDeviceListener *listener) {
 void ESP32BLETracker::recalculate_advertisement_parser_types() {
   this->raw_advertisements_ = false;
   this->parse_advertisements_ = false;
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+  // Neutral (BLEHub) listeners are parsed-advertisement consumers and are not in
+  // listeners_; without this, any later esp32-path registration (e.g. the proxy's
+  // GATT clients) would recompute the flags and silently drop parsed dispatch.
+  if (!this->neutral_listeners_.empty())
+    this->parse_advertisements_ = true;
+#endif
 #ifdef ESPHOME_ESP32_BLE_TRACKER_LISTENER_COUNT
   for (auto *listener : this->listeners_) {
     if (listener->get_advertisement_parser_type() == AdvertisementParserType::PARSED_ADVERTISEMENTS) {
@@ -434,270 +448,6 @@ void ESP32BLETracker::set_scanner_state_(ScannerState state) {
   }
 }
 
-#ifdef USE_ESP32_BLE_DEVICE
-ESPBLEiBeacon::ESPBLEiBeacon(const uint8_t *data) { memcpy(&this->beacon_data_, data, sizeof(beacon_data_)); }
-optional<ESPBLEiBeacon> ESPBLEiBeacon::from_manufacturer_data(const ServiceData &data) {
-  if (!data.uuid.contains(0x4C, 0x00))
-    return {};
-
-  if (data.data.size() != 23)
-    return {};
-  return ESPBLEiBeacon(data.data.data());
-}
-
-void ESPBTDevice::parse_scan_rst(const BLEScanResult &scan_result) {
-  this->scan_result_ = &scan_result;
-  for (uint8_t i = 0; i < ESP_BD_ADDR_LEN; i++)
-    this->address_[i] = scan_result.bda[i];
-  this->address_type_ = static_cast<esp_ble_addr_type_t>(scan_result.ble_addr_type);
-  this->rssi_ = scan_result.rssi;
-
-  // Parse advertisement data directly
-  uint8_t total_len = scan_result.adv_data_len + scan_result.scan_rsp_len;
-  this->parse_adv_(scan_result.ble_adv, total_len);
-
-#ifdef ESPHOME_LOG_HAS_VERY_VERBOSE
-  ESP_LOGVV(TAG, "Parse Result:");
-  const char *address_type;
-  switch (this->address_type_) {
-    case BLE_ADDR_TYPE_PUBLIC:
-      address_type = "PUBLIC";
-      break;
-    case BLE_ADDR_TYPE_RANDOM:
-      address_type = "RANDOM";
-      break;
-    case BLE_ADDR_TYPE_RPA_PUBLIC:
-      address_type = "RPA_PUBLIC";
-      break;
-    case BLE_ADDR_TYPE_RPA_RANDOM:
-      address_type = "RPA_RANDOM";
-      break;
-    default:
-      address_type = "UNKNOWN";
-      break;
-  }
-  ESP_LOGVV(TAG, "  Address: %02X:%02X:%02X:%02X:%02X:%02X (%s)", this->address_[0], this->address_[1],
-            this->address_[2], this->address_[3], this->address_[4], this->address_[5], address_type);
-
-  ESP_LOGVV(TAG, "  RSSI: %d", this->rssi_);
-  ESP_LOGVV(TAG, "  Name: '%s'", this->name_.c_str());
-  for (auto &it : this->tx_powers_) {
-    ESP_LOGVV(TAG, "  TX Power: %d", it);
-  }
-  if (this->appearance_.has_value()) {
-    ESP_LOGVV(TAG, "  Appearance: %u", *this->appearance_);
-  }
-  if (this->ad_flag_.has_value()) {
-    ESP_LOGVV(TAG, "  Ad Flag: %u", *this->ad_flag_);
-  }
-  for (auto &uuid : this->service_uuids_) {
-    char uuid_buf[esp32_ble::UUID_STR_LEN];
-    uuid.to_str(uuid_buf);
-    ESP_LOGVV(TAG, "  Service UUID: %s", uuid_buf);
-  }
-  char hex_buf[format_hex_pretty_size(BLE_ADV_MAX_LOG_BYTES)];
-  for (auto &data : this->manufacturer_datas_) {
-    auto ibeacon = ESPBLEiBeacon::from_manufacturer_data(data);
-    if (ibeacon.has_value()) {
-      ESP_LOGVV(TAG, "  Manufacturer iBeacon:");
-      char uuid_buf[esp32_ble::UUID_STR_LEN];
-      ibeacon.value().get_uuid().to_str(uuid_buf);
-      ESP_LOGVV(TAG, "    UUID: %s", uuid_buf);
-      ESP_LOGVV(TAG, "    Major: %u", ibeacon.value().get_major());
-      ESP_LOGVV(TAG, "    Minor: %u", ibeacon.value().get_minor());
-      ESP_LOGVV(TAG, "    TXPower: %d", ibeacon.value().get_signal_power());
-    } else {
-      char uuid_buf[esp32_ble::UUID_STR_LEN];
-      data.uuid.to_str(uuid_buf);
-      ESP_LOGVV(TAG, "  Manufacturer ID: %s, data: %s", uuid_buf,
-                format_hex_pretty_to(hex_buf, data.data.data(), data.data.size()));
-    }
-  }
-  for (auto &data : this->service_datas_) {
-    ESP_LOGVV(TAG, "  Service data:");
-    char uuid_buf[esp32_ble::UUID_STR_LEN];
-    data.uuid.to_str(uuid_buf);
-    ESP_LOGVV(TAG, "    UUID: %s", uuid_buf);
-    ESP_LOGVV(TAG, "    Data: %s", format_hex_pretty_to(hex_buf, data.data.data(), data.data.size()));
-  }
-
-  ESP_LOGVV(TAG, "  Adv data: %s",
-            format_hex_pretty_to(hex_buf, scan_result.ble_adv, scan_result.adv_data_len + scan_result.scan_rsp_len));
-#endif
-}
-
-void ESPBTDevice::parse_adv_(const uint8_t *payload, uint8_t len) {
-  size_t offset = 0;
-
-  while (offset + 2 < len) {
-    const uint8_t field_length = payload[offset++];  // First byte is length of adv record
-    if (field_length == 0) {
-      continue;  // Possible zero padded advertisement data
-    }
-
-    // Validate field fits in remaining payload
-    if (offset + field_length > len) {
-      break;
-    }
-
-    // first byte of adv record is adv record type
-    const uint8_t record_type = payload[offset++];
-    const uint8_t *record = &payload[offset];
-    const uint8_t record_length = field_length - 1;
-    offset += record_length;
-
-    // See also Generic Access Profile Assigned Numbers:
-    // https://www.bluetooth.com/specifications/assigned-numbers/generic-access-profile/ See also ADVERTISING AND SCAN
-    // RESPONSE DATA FORMAT: https://www.bluetooth.com/specifications/bluetooth-core-specification/ (vol 3, part C, 11)
-    // See also Core Specification Supplement: https://www.bluetooth.com/specifications/bluetooth-core-specification/
-    // (called CSS here)
-
-    switch (record_type) {
-      case ESP_BLE_AD_TYPE_NAME_SHORT:
-      case ESP_BLE_AD_TYPE_NAME_CMPL: {
-        // CSS 1.2 LOCAL NAME
-        // "The Local Name data type shall be the same as, or a shortened version of, the local name assigned to the
-        // device." CSS 1: Optional in this context; shall not appear more than once in a block.
-        // SHORTENED LOCAL NAME
-        // "The Shortened Local Name data type defines a shortened version of the Local Name data type. The Shortened
-        // Local Name data type shall not be used to advertise a name that is longer than the Local Name data type."
-        if (record_length > this->name_.length()) {
-          this->name_ = std::string(reinterpret_cast<const char *>(record), record_length);
-        }
-        break;
-      }
-      case ESP_BLE_AD_TYPE_TX_PWR: {
-        // CSS 1.5 TX POWER LEVEL
-        // "The TX Power Level data type indicates the transmitted power level of the packet containing the data type."
-        // CSS 1: Optional in this context (may appear more than once in a block).
-        this->tx_powers_.push_back(*record);
-        break;
-      }
-      case ESP_BLE_AD_TYPE_APPEARANCE: {
-        // CSS 1.12 APPEARANCE
-        // "The Appearance data type defines the external appearance of the device."
-        // See also https://www.bluetooth.com/specifications/gatt/characteristics/
-        // CSS 1: Optional in this context; shall not appear more than once in a block and shall not appear in both
-        // the AD and SRD of the same extended advertising interval.
-        this->appearance_ = *reinterpret_cast<const uint16_t *>(record);
-        break;
-      }
-      case ESP_BLE_AD_TYPE_FLAG: {
-        // CSS 1.3 FLAGS
-        // "The Flags data type contains one bit Boolean flags. The Flags data type shall be included when any of the
-        // Flag bits are non-zero and the advertising packet is connectable, otherwise the Flags data type may be
-        // omitted."
-        // CSS 1: Optional in this context; shall not appear more than once in a block.
-        this->ad_flag_ = *record;
-        break;
-      }
-      // CSS 1.1 SERVICE UUID
-      // The Service UUID data type is used to include a list of Service or Service Class UUIDs.
-      // There are six data types defined for the three sizes of Service UUIDs that may be returned:
-      // CSS 1: Optional in this context (may appear more than once in a block).
-      case ESP_BLE_AD_TYPE_16SRV_CMPL:
-      case ESP_BLE_AD_TYPE_16SRV_PART: {
-        // • 16-bit Bluetooth Service UUIDs
-        for (uint8_t i = 0; i < record_length / 2; i++) {
-          this->service_uuids_.push_back(ESPBTUUID::from_uint16(*reinterpret_cast<const uint16_t *>(record + 2 * i)));
-        }
-        break;
-      }
-      case ESP_BLE_AD_TYPE_32SRV_CMPL:
-      case ESP_BLE_AD_TYPE_32SRV_PART: {
-        // • 32-bit Bluetooth Service UUIDs
-        for (uint8_t i = 0; i < record_length / 4; i++) {
-          this->service_uuids_.push_back(ESPBTUUID::from_uint32(*reinterpret_cast<const uint32_t *>(record + 4 * i)));
-        }
-        break;
-      }
-      case ESP_BLE_AD_TYPE_128SRV_CMPL:
-      case ESP_BLE_AD_TYPE_128SRV_PART: {
-        // • Global 128-bit Service UUIDs
-        this->service_uuids_.push_back(ESPBTUUID::from_raw(record));
-        break;
-      }
-      case ESP_BLE_AD_MANUFACTURER_SPECIFIC_TYPE: {
-        // CSS 1.4 MANUFACTURER SPECIFIC DATA
-        // "The Manufacturer Specific data type is used for manufacturer specific data. The first two data octets shall
-        // contain a company identifier from Assigned Numbers. The interpretation of any other octets within the data
-        // shall be defined by the manufacturer specified by the company identifier."
-        // CSS 1: Optional in this context (may appear more than once in a block).
-        if (record_length < 2) {
-          ESP_LOGV(TAG, "Record length too small for ESP_BLE_AD_MANUFACTURER_SPECIFIC_TYPE");
-          break;
-        }
-        ServiceData data{};
-        data.uuid = ESPBTUUID::from_uint16(*reinterpret_cast<const uint16_t *>(record));
-        data.data.assign(record + 2UL, record + record_length);
-        this->manufacturer_datas_.push_back(data);
-        break;
-      }
-
-      // CSS 1.11 SERVICE DATA
-      // "The Service Data data type consists of a service UUID with the data associated with that service."
-      // CSS 1: Optional in this context (may appear more than once in a block).
-      case ESP_BLE_AD_TYPE_SERVICE_DATA: {
-        // «Service Data - 16 bit UUID»
-        // Size: 2 or more octets
-        // The first 2 octets contain the 16 bit Service UUID fol- lowed by additional service data
-        if (record_length < 2) {
-          ESP_LOGV(TAG, "Record length too small for ESP_BLE_AD_TYPE_SERVICE_DATA");
-          break;
-        }
-        ServiceData data{};
-        data.uuid = ESPBTUUID::from_uint16(*reinterpret_cast<const uint16_t *>(record));
-        data.data.assign(record + 2UL, record + record_length);
-        this->service_datas_.push_back(data);
-        break;
-      }
-      case ESP_BLE_AD_TYPE_32SERVICE_DATA: {
-        // «Service Data - 32 bit UUID»
-        // Size: 4 or more octets
-        // The first 4 octets contain the 32 bit Service UUID fol- lowed by additional service data
-        if (record_length < 4) {
-          ESP_LOGV(TAG, "Record length too small for ESP_BLE_AD_TYPE_32SERVICE_DATA");
-          break;
-        }
-        ServiceData data{};
-        data.uuid = ESPBTUUID::from_uint32(*reinterpret_cast<const uint32_t *>(record));
-        data.data.assign(record + 4UL, record + record_length);
-        this->service_datas_.push_back(data);
-        break;
-      }
-      case ESP_BLE_AD_TYPE_128SERVICE_DATA: {
-        // «Service Data - 128 bit UUID»
-        // Size: 16 or more octets
-        // The first 16 octets contain the 128 bit Service UUID followed by additional service data
-        if (record_length < 16) {
-          ESP_LOGV(TAG, "Record length too small for ESP_BLE_AD_TYPE_128SERVICE_DATA");
-          break;
-        }
-        ServiceData data{};
-        data.uuid = ESPBTUUID::from_raw(record);
-        data.data.assign(record + 16UL, record + record_length);
-        this->service_datas_.push_back(data);
-        break;
-      }
-      case ESP_BLE_AD_TYPE_INT_RANGE:
-        // Avoid logging this as it's very verbose
-        break;
-      default: {
-        ESP_LOGV(TAG, "Unhandled type: advType: 0x%02x", record_type);
-        break;
-      }
-    }
-  }
-}
-
-std::string ESPBTDevice::address_str() const {
-  char buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
-  return this->address_str_to(buf);
-}
-
-uint64_t ESPBTDevice::address_uint64() const { return esp32_ble::ble_addr_to_uint64(this->address_); }
-#endif  // USE_ESP32_BLE_DEVICE
-
 void ESP32BLETracker::dump_config() {
   ESP_LOGCONFIG(TAG, "BLE Tracker:");
   ESP_LOGCONFIG(TAG,
@@ -721,102 +471,12 @@ void ESP32BLETracker::dump_config() {
 
 #ifdef USE_ESP32_BLE_DEVICE
 void ESP32BLETracker::print_bt_device_info(const ESPBTDevice &device) {
-  const uint64_t address = device.address_uint64();
-  for (auto &disc : this->already_discovered_) {
-    if (disc == address)
-      return;
-  }
-  this->already_discovered_.push_back(address);
-
-  char addr_buf[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
-  ESP_LOGD(TAG, "Found device %s RSSI=%d", device.address_str_to(addr_buf), device.get_rssi());
-
-  const char *address_type_s;
-  switch (device.get_address_type()) {
-    case BLE_ADDR_TYPE_PUBLIC:
-      address_type_s = "PUBLIC";
-      break;
-    case BLE_ADDR_TYPE_RANDOM:
-      address_type_s = "RANDOM";
-      break;
-    case BLE_ADDR_TYPE_RPA_PUBLIC:
-      address_type_s = "RPA_PUBLIC";
-      break;
-    case BLE_ADDR_TYPE_RPA_RANDOM:
-      address_type_s = "RPA_RANDOM";
-      break;
-    default:
-      address_type_s = "UNKNOWN";
-      break;
-  }
-
-  ESP_LOGD(TAG, "  Address Type: %s", address_type_s);
-  if (!device.get_name().empty()) {
-    ESP_LOGD(TAG, "  Name: '%s'", device.get_name().c_str());
-  }
-  for (auto &tx_power : device.get_tx_powers()) {
-    ESP_LOGD(TAG, "  TX Power: %d", tx_power);
-  }
+  // Shared implementation in ble_device_base — identical output and per-period
+  // MAC dedup on every tracker backend.
+  this->discovered_log_.log_device(TAG, device);
 }
 
-bool ESPBTDevice::resolve_irk(const uint8_t *irk) const {
-  static constexpr size_t AES_BLOCK_SIZE = 16;
-  static constexpr size_t AES_KEY_BITS = 128;
-
-  uint8_t ecb_key[AES_BLOCK_SIZE];
-  uint8_t ecb_plaintext[AES_BLOCK_SIZE];
-  uint8_t ecb_ciphertext[AES_BLOCK_SIZE];
-
-  uint64_t addr64 = esp32_ble::ble_addr_to_uint64(this->address_);
-
-  memcpy(&ecb_key, irk, AES_BLOCK_SIZE);
-  memset(&ecb_plaintext, 0, AES_BLOCK_SIZE);
-
-  ecb_plaintext[13] = (addr64 >> 40) & 0xff;
-  ecb_plaintext[14] = (addr64 >> 32) & 0xff;
-  ecb_plaintext[15] = (addr64 >> 24) & 0xff;
-
-#ifdef USE_BLE_TRACKER_PSA_AES
-  // Use PSA Crypto API (mbedtls 4.0 / IDF 6.0+)
-  psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
-  psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
-  psa_set_key_bits(&attributes, AES_KEY_BITS);
-  psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
-  psa_set_key_algorithm(&attributes, PSA_ALG_ECB_NO_PADDING);
-
-  mbedtls_svc_key_id_t key_id;
-  if (psa_import_key(&attributes, ecb_key, AES_BLOCK_SIZE, &key_id) != PSA_SUCCESS) {
-    return false;
-  }
-
-  size_t output_length;
-  psa_status_t status = psa_cipher_encrypt(key_id, PSA_ALG_ECB_NO_PADDING, ecb_plaintext, AES_BLOCK_SIZE,
-                                           ecb_ciphertext, AES_BLOCK_SIZE, &output_length);
-  psa_destroy_key(key_id);
-  if (status != PSA_SUCCESS || output_length != AES_BLOCK_SIZE) {
-    return false;
-  }
-#else
-  // Use legacy mbedtls AES API (IDF < 6.0)
-  mbedtls_aes_context ctx = {0, 0, {0}};
-  mbedtls_aes_init(&ctx);
-
-  if (mbedtls_aes_setkey_enc(&ctx, ecb_key, AES_KEY_BITS) != 0) {
-    mbedtls_aes_free(&ctx);
-    return false;
-  }
-
-  if (mbedtls_aes_crypt_ecb(&ctx, ESP_AES_ENCRYPT, ecb_plaintext, ecb_ciphertext) != 0) {
-    mbedtls_aes_free(&ctx);
-    return false;
-  }
-
-  mbedtls_aes_free(&ctx);
-#endif
-
-  return ecb_ciphertext[15] == (addr64 & 0xff) && ecb_ciphertext[14] == ((addr64 >> 8) & 0xff) &&
-         ecb_ciphertext[13] == ((addr64 >> 16) & 0xff);
-}
+// resolve_irk() is provided by ble_device_base (portable software AES).
 
 #endif  // USE_ESP32_BLE_DEVICE
 
@@ -848,6 +508,12 @@ void ESP32BLETracker::process_scan_result_(const BLEScanResult &scan_result) {
         found = true;
     }
 #endif
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+    for (auto *listener : this->neutral_listeners_) {
+      if (listener->parse_device(device))
+        found = true;
+    }
+#endif
 
 #ifdef ESPHOME_ESP32_BLE_TRACKER_CLIENT_COUNT
     for (auto *client : this->clients_) {
@@ -867,7 +533,7 @@ void ESP32BLETracker::process_scan_result_(const BLEScanResult &scan_result) {
 void ESP32BLETracker::cleanup_scan_state_(bool is_stop_complete) {
   ESP_LOGV(TAG, "Scan %scomplete, set scanner state to IDLE.", is_stop_complete ? "stop " : "");
 #ifdef USE_ESP32_BLE_DEVICE
-  this->already_discovered_.clear();
+  this->discovered_log_.clear();
 #endif
   // Reset timeout state machine instead of cancelling scheduler timeout
   this->scan_timeout_state_ = ScanTimeoutState::INACTIVE;
@@ -876,6 +542,10 @@ void ESP32BLETracker::cleanup_scan_state_(bool is_stop_complete) {
   for (auto *listener : this->listeners_)
     listener->on_scan_end();
 #endif
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+  for (auto *listener : this->neutral_listeners_)
+    listener->on_scan_end();
+#endif
 
   this->set_scanner_state_(ScannerState::IDLE);
 }

esphome/components/esp32_ble_tracker/esp32_ble_tracker.h

@@ -12,13 +12,6 @@
 
 #ifdef USE_ESP32
 
-#include <esp_idf_version.h>
-#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(6, 0, 0)
-// mbedtls 4.0 (IDF 6.0) removed the legacy mbedtls AES API.
-// Use the PSA Crypto API instead.
-#define USE_BLE_TRACKER_PSA_AES
-#endif
-
 #include <esp_bt_defs.h>
 #include <esp_gap_ble_api.h>
 #include <esp_gattc_api.h>
@@ -26,6 +19,8 @@
 #include <freertos/FreeRTOS.h>
 #include <freertos/semphr.h>
 
+#include "esphome/components/ble_device_base/ble_device.h"
+#include "esphome/components/ble_device_base/ble_hub.h"
 #include "esphome/components/esp32_ble/ble.h"
 #include "esphome/components/esp32_ble/ble_uuid.h"
 #include "esphome/components/esp32_ble/ble_scan_result.h"
@@ -38,7 +33,7 @@ namespace esphome::esp32_ble_tracker {
 
 using namespace esp32_ble;
 
-using adv_data_t = std::vector<uint8_t>;
+using adv_data_t = ble_device_base::adv_data_t;
 
 enum AdvertisementParserType {
   PARSED_ADVERTISEMENTS,
@@ -46,105 +41,27 @@ enum AdvertisementParserType {
 };
 
 #ifdef USE_ESP32_BLE_UUID
-struct ServiceData {
-  ESPBTUUID uuid;
-  adv_data_t data;
-};
+using ServiceData = ble_device_base::ServiceData;
 #endif
 
 #ifdef USE_ESP32_BLE_DEVICE
-class ESPBLEiBeacon {
- public:
-  ESPBLEiBeacon() { memset(&this->beacon_data_, 0, sizeof(this->beacon_data_)); }
-  ESPBLEiBeacon(const uint8_t *data);
-  static optional<ESPBLEiBeacon> from_manufacturer_data(const ServiceData &data);
-
-  uint16_t get_major() { return byteswap(this->beacon_data_.major); }
-  uint16_t get_minor() { return byteswap(this->beacon_data_.minor); }
-  int8_t get_signal_power() { return this->beacon_data_.signal_power; }
-  ESPBTUUID get_uuid() { return ESPBTUUID::from_raw_reversed(this->beacon_data_.proximity_uuid); }
-
- protected:
-  struct {
-    uint8_t sub_type;
-    uint8_t length;
-    uint8_t proximity_uuid[16];
-    uint16_t major;
-    uint16_t minor;
-    int8_t signal_power;
-  } PACKED beacon_data_;
-};
-
-class ESPBTDevice {
- public:
-  void parse_scan_rst(const BLEScanResult &scan_result);
-
-  std::string address_str() const;
-
-  /// Format MAC address into provided buffer, returns pointer to buffer for convenience
-  const char *address_str_to(std::span<char, MAC_ADDRESS_PRETTY_BUFFER_SIZE> buf) const {
-    format_mac_addr_upper(this->address_, buf.data());
-    return buf.data();
-  }
-
-  uint64_t address_uint64() const;
-
-  const uint8_t *address() const { return address_; }
-
-  esp_ble_addr_type_t get_address_type() const { return this->address_type_; }
-  int get_rssi() const { return rssi_; }
-  const std::string &get_name() const { return this->name_; }
-
-  const std::vector<int8_t> &get_tx_powers() const { return tx_powers_; }
-
-  const optional<uint16_t> &get_appearance() const { return appearance_; }
-  const optional<uint8_t> &get_ad_flag() const { return ad_flag_; }
-  const std::vector<ESPBTUUID> &get_service_uuids() const { return service_uuids_; }
-
-  const std::vector<ServiceData> &get_manufacturer_datas() const { return manufacturer_datas_; }
-
-  const std::vector<ServiceData> &get_service_datas() const { return service_datas_; }
-
-  // Exposed through a function for use in lambdas
-  const BLEScanResult &get_scan_result() const { return *scan_result_; }
-
-  bool resolve_irk(const uint8_t *irk) const;
-
-  optional<ESPBLEiBeacon> get_ibeacon() const {
-    for (auto &it : this->manufacturer_datas_) {
-      auto res = ESPBLEiBeacon::from_manufacturer_data(it);
-      if (res.has_value())
-        return res;
-    }
-    return {};
-  }
-
- protected:
-  void parse_adv_(const uint8_t *payload, uint8_t len);
-
-  esp_bd_addr_t address_{
-      0,
-  };
-  esp_ble_addr_type_t address_type_{BLE_ADDR_TYPE_PUBLIC};
-  int rssi_{0};
-  std::string name_{};
-  std::vector<int8_t> tx_powers_{};
-  optional<uint16_t> appearance_{};
-  optional<uint8_t> ad_flag_{};
-  std::vector<ESPBTUUID> service_uuids_{};
-  std::vector<ServiceData> manufacturer_datas_{};
-  std::vector<ServiceData> service_datas_{};
-  const BLEScanResult *scan_result_{nullptr};
-};
+// The advertisement device types are owned by the platform-neutral
+// ble_device_base layer; re-exported here (esp32 only) for backward
+// compatibility. ESPBTDevice::parse_scan_rst() (esp32-only) adapts BLEScanResult.
+using ESPBLEiBeacon = ble_device_base::ESPBLEiBeacon;
+using ESPBTDevice = ble_device_base::ESPBTDevice;
 #endif  // USE_ESP32_BLE_DEVICE
 
 class ESP32BLETracker;
 
-class ESPBTDeviceListener {
+// esp32-flavored listener: the neutral parse_device/on_scan_end come from
+// ble_device_base; this subclass adds the esp32-only raw-advertisement path
+// (BLEScanResult batches) and the tracker back-pointer.
+class ESPBTDeviceListener : public ble_device_base::ESPBTDeviceListener {
  public:
-  virtual void on_scan_end() {}
-#ifdef USE_ESP32_BLE_DEVICE
-  virtual bool parse_device(const ESPBTDevice &device) = 0;
+#ifndef USE_ESP32_BLE_DEVICE
+  // Raw-only build: no parsed-device support is compiled in.
+  bool parse_device(const ble_device_base::ESPBTDevice &device) override { return false; }
 #endif
   virtual bool parse_devices(const BLEScanResult *scan_results, size_t count) { return false; };
   virtual AdvertisementParserType get_advertisement_parser_type() {
@@ -295,6 +212,7 @@ class ESPBTClient : public ESPBTDeviceListener {
 };
 
 class ESP32BLETracker final : public Component,
+                              public ble_device_base::BLEHub,
 #ifdef USE_OTA_STATE_LISTENER
                               public ota::OTAGlobalStateListener,
 #endif
@@ -314,10 +232,23 @@ class ESP32BLETracker final : public Component,
 
   void loop() override;
 
+  // esp32-flavored path (unmigrated esp32 sensors; sets the tracker back-pointer).
   void register_listener(ESPBTDeviceListener *listener);
   void register_client(ESPBTClient *client);
   void recalculate_advertisement_parser_types();
 
+  // ---- ble_device_base::BLEHub (the platform-neutral tracker contract) ----
+  void register_listener(ble_device_base::ESPBTDeviceListener *listener) override;
+  void set_raw_advertisement_callback(ble_device_base::RawAdvertisementCallback callback) override {
+    this->raw_advertisement_callback_ = callback;
+  }
+  ble_device_base::HubCapabilities get_capabilities() const override {
+    return {/* active_scan = */ true, /* merges_scan_response = */ true, /* gatt = */ true};
+  }
+  void get_adapter_mac(uint8_t out[6]) override;
+  bool scan_running() override { return this->scanner_state_ == ScannerState::RUNNING; }
+  bool scan_active() override { return this->scan_active_; }
+
 #ifdef USE_ESP32_BLE_DEVICE
   void print_bt_device_info(const ESPBTDevice &device);
 #endif
@@ -405,9 +336,15 @@ class ESP32BLETracker final : public Component,
   StaticVector<ESPBTClient *, ESPHOME_ESP32_BLE_TRACKER_CLIENT_COUNT> clients_;
 #endif
   std::vector<BLEScannerStateListener *> scanner_state_listeners_;
+  // Parsed listeners registered through the neutral BLEHub contract (migrated
+  // sensors); dispatched alongside listeners_.
+#ifdef ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT
+  StaticVector<ble_device_base::ESPBTDeviceListener *, ESPHOME_BLE_DEVICE_BASE_LISTENER_COUNT> neutral_listeners_;
+#endif
+  ble_device_base::RawAdvertisementCallback raw_advertisement_callback_{};
 #ifdef USE_ESP32_BLE_DEVICE
-  /// Vector of addresses that have already been printed in print_bt_device_info
-  std::vector<uint64_t> already_discovered_;
+  /// Per-period "Found device" DEBUG log with MAC dedup (shared ble_device_base impl)
+  ble_device_base::DiscoveredDeviceLog discovered_log_;
 #endif
 
   // Group 2: Structs (aligned to 4 bytes)

esphome/components/esp8266/__init__.py

@@ -1,5 +1,6 @@
 import logging
 from pathlib import Path
+import platform
 import re
 import subprocess
 
@@ -20,9 +21,16 @@ from esphome.const import (
     PLATFORM_ESP8266,
     ThreadModel,
 )
-from esphome.core import CORE, CoroPriority, Lambda, coroutine_with_priority
+from esphome.core import (
+    CORE,
+    CoroPriority,
+    EsphomeError,
+    Lambda,
+    coroutine_with_priority,
+)
 from esphome.core.config import BOARD_MAX_LENGTH
-from esphome.helpers import copy_file_if_changed
+from esphome.helpers import IS_MACOS, copy_file_if_changed
+from esphome.platformio.toolchain import copy_ccache_script
 from esphome.types import ConfigType
 
 from .boards import BOARDS, ESP8266_LD_SCRIPTS
@@ -237,6 +245,32 @@ CONFIG_SCHEMA = cv.All(
 )
 
 
+def check_rosetta() -> None:
+    """Fail fast when the x86_64 ESP8266 toolchain cannot run on this Mac.
+
+    There is no native arm64 build of the xtensa-lx106 toolchain; on Apple
+    Silicon it runs under Rosetta 2, which macOS updates can remove.
+    """
+    if not IS_MACOS or platform.machine() != "arm64":
+        return
+    try:
+        result = subprocess.run(
+            ["/usr/bin/arch", "-x86_64", "/usr/bin/true"],
+            capture_output=True,
+            close_fds=False,
+            check=False,
+        )
+    except OSError:
+        return  # arch(1) unavailable; let the build proceed
+    if result.returncode != 0:
+        raise EsphomeError(
+            "ESP8266 builds on Apple Silicon Macs use an Intel (x86_64) "
+            "compiler that requires Rosetta 2, which is not installed on "
+            "this system. Install it with:\n"
+            "  softwareupdate --install-rosetta --agree-to-license"
+        )
+
+
 @coroutine_with_priority(CoroPriority.PLATFORM)
 async def to_code(config):
     cg.add(esp8266_ns.setup_preferences())
@@ -261,6 +295,7 @@ async def to_code(config):
         )
 
     extra_scripts = [
+        "pre:ccache.py",
         "pre:testing_mode.py",
         "pre:exclude_updater.py",
         "pre:exclude_waveform.py",
@@ -410,31 +445,18 @@ async def finalize_serial_config() -> None:
 # Called by writer.py
 def copy_files() -> None:
     dir = Path(__file__).parent
-    post_build_file = dir / "post_build.py.script"
-    copy_file_if_changed(
-        post_build_file,
-        CORE.relative_build_path("post_build.py"),
-    )
-    testing_mode_file = dir / "testing_mode.py.script"
-    copy_file_if_changed(
-        testing_mode_file,
-        CORE.relative_build_path("testing_mode.py"),
-    )
-    exclude_updater_file = dir / "exclude_updater.py.script"
-    copy_file_if_changed(
-        exclude_updater_file,
-        CORE.relative_build_path("exclude_updater.py"),
-    )
-    exclude_waveform_file = dir / "exclude_waveform.py.script"
-    copy_file_if_changed(
-        exclude_waveform_file,
-        CORE.relative_build_path("exclude_waveform.py"),
-    )
-    remove_float_scanf_file = dir / "remove_float_scanf.py.script"
-    copy_file_if_changed(
-        remove_float_scanf_file,
-        CORE.relative_build_path("remove_float_scanf.py"),
-    )
+    for script in (
+        "post_build",
+        "testing_mode",
+        "exclude_updater",
+        "exclude_waveform",
+        "remove_float_scanf",
+    ):
+        copy_file_if_changed(
+            dir / f"{script}.py.script",
+            CORE.relative_build_path(f"{script}.py"),
+        )
+    copy_ccache_script()
 
 
 # ESP logs stack trace decoder, based on https://github.com/me-no-dev/EspExceptionDecoder

esphome/components/ethernet/__init__.py

@@ -4,7 +4,12 @@ import logging
 from esphome import automation, pins
 from esphome.automation import Condition
 import esphome.codegen as cg
-from esphome.components.network import add_use_address, ip_address_literal
+from esphome.components.network import (
+    add_use_address,
+    get_network_priority,
+    get_priority_interfaces_from_full_config,
+    ip_address_literal,
+)
 from esphome.config_helpers import filter_source_files_from_platform
 import esphome.config_validation as cv
 from esphome.const import (
@@ -50,7 +55,6 @@ from esphome.core import (
 import esphome.final_validate as fv
 from esphome.types import ConfigType
 
-CONFLICTS_WITH = ["wifi"]
 AUTO_LOAD = ["network"]
 LOGGER = logging.getLogger(__name__)
 
@@ -433,37 +437,48 @@ GENERIC_SCHEMA = cv.All(
     cv.only_on([Platform.ESP32]),
 )
 
-SPI_SCHEMA = cv.All(
-    BASE_SCHEMA.extend(
-        cv.Schema(
-            {
-                cv.Required(CONF_CLK_PIN): pins.internal_gpio_output_pin_number,
-                cv.Required(CONF_MISO_PIN): pins.internal_gpio_input_pin_number,
-                cv.Required(CONF_MOSI_PIN): pins.internal_gpio_output_pin_number,
-                cv.Required(CONF_CS_PIN): pins.internal_gpio_output_pin_number,
-                cv.Optional(CONF_INTERRUPT_PIN): pins.internal_gpio_input_pin_number,
-                cv.Optional(CONF_RESET_PIN): pins.internal_gpio_output_pin_number,
-                cv.SplitDefault(CONF_CLOCK_SPEED, esp32="26.67MHz"): cv.All(
-                    cv.only_on_esp32,
-                    cv.frequency,
-                    cv.int_range(int(8e6), int(80e6)),
-                ),
-                cv.Optional(CONF_INTERFACE): cv.All(
-                    cv.only_on_esp32,
-                    cv.one_of(*SPI_INTERFACE_MAP.keys(), lower=True),
-                ),
-                # Set default value (SPI_ETHERNET_DEFAULT_POLLING_INTERVAL) at _validate()
-                cv.Optional(CONF_POLLING_INTERVAL): cv.All(
-                    cv.only_on_esp32,
-                    cv.positive_time_period_milliseconds,
-                    cv.Range(min=TimePeriodMilliseconds(milliseconds=1)),
-                ),
-            }
+
+def _spi_schema(default_clock: str = "26.67MHz", max_clock: int = int(80e6)):
+    return cv.All(
+        BASE_SCHEMA.extend(
+            cv.Schema(
+                {
+                    cv.Required(CONF_CLK_PIN): pins.internal_gpio_output_pin_number,
+                    cv.Required(CONF_MISO_PIN): pins.internal_gpio_input_pin_number,
+                    cv.Required(CONF_MOSI_PIN): pins.internal_gpio_output_pin_number,
+                    cv.Required(CONF_CS_PIN): pins.internal_gpio_output_pin_number,
+                    cv.Optional(
+                        CONF_INTERRUPT_PIN
+                    ): pins.internal_gpio_input_pin_number,
+                    cv.Optional(CONF_RESET_PIN): pins.internal_gpio_output_pin_number,
+                    cv.SplitDefault(CONF_CLOCK_SPEED, esp32=default_clock): cv.All(
+                        cv.only_on_esp32,
+                        cv.frequency,
+                        cv.int_range(int(8e6), max_clock),
+                    ),
+                    cv.Optional(CONF_INTERFACE): cv.All(
+                        cv.only_on_esp32,
+                        cv.one_of(*SPI_INTERFACE_MAP.keys(), lower=True),
+                    ),
+                    # Set default value (SPI_ETHERNET_DEFAULT_POLLING_INTERVAL) at _validate()
+                    cv.Optional(CONF_POLLING_INTERVAL): cv.All(
+                        cv.only_on_esp32,
+                        cv.positive_time_period_milliseconds,
+                        cv.Range(min=TimePeriodMilliseconds(milliseconds=1)),
+                    ),
+                }
+            ),
         ),
-    ),
-    cv.only_on([Platform.ESP32, Platform.RP2]),
-    _validate_spi_interface,
-)
+        cv.only_on([Platform.ESP32, Platform.RP2]),
+        _validate_spi_interface,
+    )
+
+
+SPI_SCHEMA = _spi_schema()
+
+# The ENC28J60's SCK maximum is 20 MHz, so the shared 26.67 MHz default is out
+# of spec for it and makes the driver's CS hold time helper compute no hold
+SPI_SCHEMA_ENC28J60 = _spi_schema(default_clock="20MHz", max_clock=int(20e6))
 
 CONFIG_SCHEMA = cv.All(
     cv.typed_schema(
@@ -479,7 +494,7 @@ CONFIG_SCHEMA = cv.All(
             "W5500": SPI_SCHEMA,
             "OPENETH": cv.All(BASE_SCHEMA, cv.only_on([Platform.ESP32])),
             "DM9051": SPI_SCHEMA,
-            "ENC28J60": SPI_SCHEMA,
+            "ENC28J60": SPI_SCHEMA_ENC28J60,
             "W6100": cv.All(SPI_SCHEMA, cv.only_on([Platform.RP2])),
             "W6300": cv.All(SPI_SCHEMA, cv.only_on([Platform.RP2])),
             "LAN8670": RMII_SCHEMA,
@@ -535,6 +550,14 @@ def phy_register(address: int, value: int, page: int):
 @coroutine_with_priority(CoroPriority.COMMUNICATION)
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
+
+    # Apply network priority before register_component (which emits the user's
+    # explicit setup_priority: if set) so that, as in wifi, an explicit
+    # setup_priority: still wins over the network-priority-derived value.
+    prio = get_network_priority("ethernet")
+    if prio is not None:
+        cg.set_setup_priority(var, prio)
+
     await cg.register_component(var, config)
 
     if CORE.is_esp32:
@@ -644,8 +667,9 @@ async def _to_code_esp32(var: cg.Pvariable, config: ConfigType) -> None:
             )
             cg.add(var.add_phy_register(reg))
 
-    # Register Ethernet with the esp32 sdkconfig reconciler, which disables the
-    # WiFi stack and WiFi/BT coexistence when Ethernet is used without WiFi.
+    # Register Ethernet with the esp32 sdkconfig reconciler. It disables the
+    # WiFi stack and WiFi/BT coexistence only when Ethernet runs without WiFi,
+    # so multi-interface configs (network: priority: with both) keep WiFi.
     request_ethernet()
 
     # Re-enable ESP-IDF's Ethernet driver (excluded by default to save compile time)
@@ -732,6 +756,22 @@ def _final_validate_rmii_pins(config: ConfigType) -> None:
 
 def _final_validate(config: ConfigType) -> ConfigType:
     """Final validation for Ethernet component."""
+    # Allow ethernet + wifi coexistence only when both are declared in network: priority:.
+    if "wifi" in fv.full_config.get():
+        priority_ifaces = get_priority_interfaces_from_full_config(fv.full_config.get())
+        missing = [i for i in ("ethernet", "wifi") if i not in priority_ifaces]
+        if missing and priority_ifaces:
+            # A priority list exists but is incomplete: point at what to add.
+            raise cv.Invalid(
+                "When ethernet and wifi are used together, 'network: priority:' must "
+                f"list both interfaces; missing: {', '.join(missing)}"
+            )
+        if missing:
+            raise cv.Invalid(
+                "Component ethernet cannot be used together with component wifi "
+                "unless both are listed under 'network: priority:'"
+            )
+
     _final_validate_spi(config)
     _final_validate_rmii_pins(config)
     return config

esphome/components/ethernet/ethernet_component_esp32.cpp

@@ -232,8 +232,10 @@ void EthernetComponent::ethernet_lazy_init_() {
   dm9051_config.poll_period_ms = this->polling_interval_;
 #endif
 #elif defined(USE_ETHERNET_ENC28J60)
+  // ENC28J60 does not support poll_period_ms. CS must stay asserted for the chip's CS hold
+  // time (t10, 210 ns) after the last clock or MAC/MII register reads fail ("wrong chip ID")
+  enc28j60_config.spi_devcfg->cs_ena_posttrans = enc28j60_cal_spi_cs_hold_time((this->clock_speed_ + 999999) / 1000000);
   enc28j60_config.int_gpio_num = this->interrupt_pin_;
-  // ENC28J60 does not support poll_period_ms
 #endif
 
   phy_config.phy_addr = this->phy_addr_spi_;

esphome/components/ezo_pmp/sensor.py

@@ -23,8 +23,8 @@ CONF_PUMP_VOLTAGE = "pump_voltage"
 CONF_LAST_VOLUME_REQUESTED = "last_volume_requested"
 CONF_MAX_FLOW_RATE = "max_flow_rate"
 
-UNIT_MILILITER = "ml"
-UNIT_MILILITERS_PER_MINUTE = "ml/min"
+UNIT_MILILITER = "mL"
+UNIT_MILILITERS_PER_MINUTE = "mL/min"
 
 CONFIG_SCHEMA = cv.Schema(
     {

esphome/components/growatt_solar/growatt_solar.cpp

@@ -7,7 +7,6 @@ namespace esphome::growatt_solar {
 
 static const char *const TAG = "growatt_solar";
 
-static const uint8_t MODBUS_CMD_READ_IN_REGISTERS = 0x04;
 static const uint8_t MODBUS_REGISTER_COUNT[] = {33, 95};  // indexed with enum GrowattProtocolVersion
 
 void GrowattSolar::loop() {
@@ -31,11 +30,12 @@ void GrowattSolar::update() {
   }
 
   this->waiting_to_update_ = false;
-  this->send(MODBUS_CMD_READ_IN_REGISTERS, 0, MODBUS_REGISTER_COUNT[this->protocol_version_]);
+  this->read_input_registers(0, MODBUS_REGISTER_COUNT[this->protocol_version_]);
   this->last_send_ = millis();
 }
 
-void GrowattSolar::on_modbus_data(const std::vector<uint8_t> &data) {
+void GrowattSolar::on_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu) {
+  auto data = modbus::helpers::server_pdu_payload(response_pdu);
   // Other components might be sending commands to our device. But we don't get called with enough
   // context to know what is what. So if we didn't do a send, we ignore the data.
   if (!this->last_send_)

esphome/components/growatt_solar/growatt_solar.h

@@ -4,7 +4,7 @@
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/modbus/modbus.h"
 
-#include <vector>
+#include <span>
 
 namespace esphome::growatt_solar {
 
@@ -69,7 +69,7 @@ class GrowattSolar final : public PollingComponent, public modbus::ModbusClientD
  public:
   void loop() override;
   void update() override;
-  void on_modbus_data(const std::vector<uint8_t> &data) override;
+  void on_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu) override;
   void dump_config() override;
 
   void set_protocol_version(GrowattProtocolVersion protocol_version) { this->protocol_version_ = protocol_version; }

esphome/components/gsl3670/touchscreen.py

@@ -68,6 +68,21 @@ MODELS = {
             CONF_SHA256: "2e50501ad83656fb6fa3d92591f9f31add4d442c8e8a79f29f5c4d335bd127a4",
         },
     },
+    "GUITION-JC8012P4A1": {
+        CONF_SWAP_XY: True,
+        CONF_MIRROR_X: True,
+        CONF_MIRROR_Y: False,
+        CONF_X_MIN: 20,
+        CONF_Y_MIN: 20,
+        CONF_X_MAX: 880,
+        CONF_Y_MAX: 1648,
+        CONF_RESET_PIN: 22,
+        CONF_INTERRUPT_PIN: 21,
+        CONF_FIRMWARE: {
+            CONF_URL: f"{FIRMWARE_BASE_URL}/seeed-d1001-fw.bin",
+            CONF_SHA256: "2e50501ad83656fb6fa3d92591f9f31add4d442c8e8a79f29f5c4d335bd127a4",
+        },
+    },
     "CUSTOM": {},
 }
 

esphome/components/havells_solar/havells_solar.cpp

@@ -7,10 +7,10 @@ namespace esphome::havells_solar {
 
 static const char *const TAG = "havells_solar";
 
-static const uint8_t MODBUS_CMD_READ_IN_REGISTERS = 0x03;
 static const uint8_t MODBUS_REGISTER_COUNT = 48;  // 48 x 16-bit registers
 
-void HavellsSolar::on_modbus_data(const std::vector<uint8_t> &data) {
+void HavellsSolar::on_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu) {
+  auto data = modbus::helpers::server_pdu_payload(response_pdu);
   if (data.size() < MODBUS_REGISTER_COUNT * 2) {
     ESP_LOGW(TAG, "Invalid size for HavellsSolar!");
     return;
@@ -121,7 +121,7 @@ void HavellsSolar::on_modbus_data(const std::vector<uint8_t> &data) {
     this->dci_of_t_sensor_->publish_state(dci_of_t);
 }
 
-void HavellsSolar::update() { this->send(MODBUS_CMD_READ_IN_REGISTERS, 0, MODBUS_REGISTER_COUNT); }
+void HavellsSolar::update() { this->read_holding_registers(0, MODBUS_REGISTER_COUNT); }
 void HavellsSolar::dump_config() {
   ESP_LOGCONFIG(TAG,
                 "HAVELLS Solar:\n"

esphome/components/havells_solar/havells_solar.h

@@ -4,7 +4,7 @@
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/modbus/modbus.h"
 
-#include <vector>
+#include <span>
 
 namespace esphome::havells_solar {
 
@@ -77,7 +77,7 @@ class HavellsSolar final : public PollingComponent, public modbus::ModbusClientD
 
   void update() override;
 
-  void on_modbus_data(const std::vector<uint8_t> &data) override;
+  void on_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu) override;
 
   void dump_config() override;
 

esphome/components/host/__init__.py

@@ -10,6 +10,7 @@ from esphome.const import (
     ThreadModel,
 )
 from esphome.core import CORE
+from esphome.platformio.toolchain import copy_ccache_script
 
 from .const import KEY_HOST
 
@@ -49,3 +50,9 @@ async def to_code(config):
     cg.add_platformio_option("platform", "platformio/native")
     cg.add_platformio_option("lib_ldf_mode", "off")
     cg.add_platformio_option("lib_compat_mode", "strict")
+    cg.add_platformio_option("extra_scripts", ["pre:ccache.py"])
+
+
+# Called by writer.py
+def copy_files() -> None:
+    copy_ccache_script()

esphome/components/http_request/http_request.h

@@ -488,10 +488,10 @@ template<typename... Ts> class HttpRequestSendAction final : public Action<Ts...
       body = this->body_.value(x...);
     }
     if (!this->json_.empty()) {
-      body = json::build_json([this, x...](JsonObject root) { this->encode_json_(x..., root); });
+      body = json::build_json([this, x...](JsonObject root) mutable { this->encode_json_(x..., root); });
     }
     if (this->json_func_ != nullptr) {
-      body = json::build_json([this, x...](JsonObject root) { this->json_func_(x..., root); });
+      body = json::build_json([this, x...](JsonObject root) mutable { this->json_func_(x..., root); });
     }
     std::vector<Header> request_headers;
     request_headers.reserve(this->request_headers_.size());

esphome/components/i2s_audio/microphone/i2s_audio_microphone.cpp

@@ -245,7 +245,7 @@ void I2SAudioMicrophone::mic_task(void *params) {
     while (!(xEventGroupGetBits(this_microphone->event_group_) & MicrophoneEventGroupBits::COMMAND_STOP)) {
       if (this_microphone->data_callbacks_.size() > 0) {
         samples.resize(bytes_to_read);
-        size_t bytes_read = this_microphone->read_(samples.data(), bytes_to_read, 2 * pdMS_TO_TICKS(READ_DURATION_MS));
+        size_t bytes_read = this_microphone->read_(samples.data(), bytes_to_read, 2 * READ_DURATION_MS);
         samples.resize(bytes_read);
         if (this_microphone->correct_dc_offset_) {
           this_microphone->fix_dc_offset_(samples);
@@ -318,12 +318,11 @@ void I2SAudioMicrophone::fix_dc_offset_(std::vector<uint8_t> &data) {
   }
 }
 
-size_t I2SAudioMicrophone::read_(uint8_t *buf, size_t len, TickType_t ticks_to_wait) {
+size_t I2SAudioMicrophone::read_(uint8_t *buf, size_t len, uint32_t timeout_ms) {
   size_t bytes_read = 0;
-  // i2s_channel_read expects the timeout value in ms, not ticks
-  esp_err_t err = i2s_channel_read(this->rx_handle_, buf, len, &bytes_read, pdTICKS_TO_MS(ticks_to_wait));
-  if ((err != ESP_OK) && ((err != ESP_ERR_TIMEOUT) || (ticks_to_wait != 0))) {
-    // Ignore ESP_ERR_TIMEOUT if ticks_to_wait = 0, as it will read the data on the next call
+  esp_err_t err = i2s_channel_read(this->rx_handle_, buf, len, &bytes_read, timeout_ms);
+  if ((err != ESP_OK) && ((err != ESP_ERR_TIMEOUT) || (timeout_ms != 0))) {
+    // Ignore ESP_ERR_TIMEOUT if timeout_ms = 0, as it will read the data on the next call
     if (!this->status_has_warning()) {
       // Avoid spamming the logs with the error message if its repeated
       ESP_LOGW(TAG, "Read error: %s", esp_err_to_name(err));
@@ -331,7 +330,7 @@ size_t I2SAudioMicrophone::read_(uint8_t *buf, size_t len, TickType_t ticks_to_w
     this->status_set_warning();
     return 0;
   }
-  if ((bytes_read == 0) && (ticks_to_wait > 0)) {
+  if ((bytes_read == 0) && (timeout_ms > 0)) {
     this->status_set_warning();
     return 0;
   }

esphome/components/i2s_audio/microphone/i2s_audio_microphone.h

@@ -42,7 +42,7 @@ class I2SAudioMicrophone final : public I2SAudioIn, public microphone::Microphon
   /// @param data
   void fix_dc_offset_(std::vector<uint8_t> &data);
 
-  size_t read_(uint8_t *buf, size_t len, TickType_t ticks_to_wait);
+  size_t read_(uint8_t *buf, size_t len, uint32_t timeout_ms);
 
   /// @brief Sets the Microphone ``audio_stream_info_`` member variable to the configured I2S settings.
   void configure_stream_settings_();

esphome/components/improv_serial/improv_serial_component.cpp

@@ -16,6 +16,7 @@ void ImprovSerialComponent::setup() {
   global_improv_serial_component = this;
 #ifdef USE_ESP32
   this->uart_num_ = logger::global_logger->get_uart_num();
+  this->uart_selection_ = logger::global_logger->get_uart();
 #elif defined(USE_ARDUINO)
   this->hw_serial_ = logger::global_logger->get_hw_serial();
 #endif
@@ -30,21 +31,23 @@ void ImprovSerialComponent::setup() {
 }
 
 void ImprovSerialComponent::loop() {
-  if (this->last_read_byte_ && (millis() - this->last_read_byte_ > IMPROV_SERIAL_TIMEOUT)) {
+  const uint32_t now = App.get_loop_component_start_time();
+  if (this->last_read_byte_ && (now - this->last_read_byte_ > IMPROV_SERIAL_TIMEOUT)) {
     this->last_read_byte_ = 0;
     this->rx_buffer_.clear();
     ESP_LOGV(TAG, "Timeout");
   }
 
-  auto byte = this->read_byte_();
-  while (byte.has_value()) {
+  while (true) {
+    auto byte = this->read_byte_();
+    if (!byte.has_value())
+      break;
     if (this->parse_improv_serial_byte_(byte.value())) {
-      this->last_read_byte_ = millis();
+      this->last_read_byte_ = now;
     } else {
       this->last_read_byte_ = 0;
       this->rx_buffer_.clear();
     }
-    byte = this->read_byte_();
   }
 
   if (this->state_ == improv::STATE_PROVISIONING) {
@@ -63,53 +66,6 @@ void ImprovSerialComponent::loop() {
 
 void ImprovSerialComponent::dump_config() { ESP_LOGCONFIG(TAG, "Improv Serial:"); }
 
-optional<uint8_t> ImprovSerialComponent::read_byte_() {
-  optional<uint8_t> byte;
-  uint8_t data = 0;
-#ifdef USE_ESP32
-  switch (logger::global_logger->get_uart()) {
-    case logger::UART_SELECTION_UART0:
-    case logger::UART_SELECTION_UART1:
-#if defined(USE_ESP32_VARIANT_ESP32)
-    case logger::UART_SELECTION_UART2:
-#endif
-      if (this->uart_num_ >= 0) {
-        size_t available;
-        uart_get_buffered_data_len(this->uart_num_, &available);
-        if (available) {
-          uart_read_bytes(this->uart_num_, &data, 1, 0);
-          byte = data;
-        }
-      }
-      break;
-#if defined(USE_LOGGER_USB_CDC) && defined(CONFIG_ESP_CONSOLE_USB_CDC)
-    case logger::UART_SELECTION_USB_CDC:
-      if (esp_usb_console_available_for_read()) {
-        esp_usb_console_read_buf((char *) &data, 1);
-        byte = data;
-      }
-      break;
-#endif  // USE_LOGGER_USB_CDC
-#ifdef USE_LOGGER_USB_SERIAL_JTAG
-    case logger::UART_SELECTION_USB_SERIAL_JTAG: {
-      if (usb_serial_jtag_read_bytes((char *) &data, 1, 0)) {
-        byte = data;
-      }
-      break;
-    }
-#endif  // USE_LOGGER_USB_SERIAL_JTAG
-    default:
-      break;
-  }
-#elif defined(USE_ARDUINO)
-  if (this->hw_serial_->available()) {
-    this->hw_serial_->readBytes(&data, 1);
-    byte = data;
-  }
-#endif
-  return byte;
-}
-
 void ImprovSerialComponent::write_data_(const uint8_t *data, const size_t size) {
   // First, set length field
   this->tx_header_[TX_LENGTH_IDX] = this->tx_header_[TX_TYPE_IDX] == TYPE_RPC_RESPONSE ? size : 1;
@@ -133,7 +89,7 @@ void ImprovSerialComponent::write_data_(const uint8_t *data, const size_t size)
   this->tx_header_[TX_CHECKSUM_IDX] = checksum;
 
 #ifdef USE_ESP32
-  switch (logger::global_logger->get_uart()) {
+  switch (this->uart_selection_) {
     case logger::UART_SELECTION_UART0:
     case logger::UART_SELECTION_UART1:
 #if defined(USE_ESP32_VARIANT_ESP32)

esphome/components/improv_serial/improv_serial_component.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "esphome/components/improv_base/improv_base.h"
+#include "esphome/components/logger/logger.h"
 #include "esphome/components/wifi/wifi_component.h"
 #include "esphome/core/component.h"
 #include "esphome/core/defines.h"
@@ -65,7 +66,52 @@ class ImprovSerialComponent final : public Component, public improv_base::Improv
   std::vector<uint8_t> build_rpc_settings_response_(improv::Command command);
   std::vector<uint8_t> build_version_info_();
 
-  optional<uint8_t> read_byte_();
+  ESPHOME_ALWAYS_INLINE optional<uint8_t> read_byte_() {
+    optional<uint8_t> byte;
+    uint8_t data = 0;
+#ifdef USE_ESP32
+    switch (this->uart_selection_) {
+      case logger::UART_SELECTION_UART0:
+      case logger::UART_SELECTION_UART1:
+#if defined(USE_ESP32_VARIANT_ESP32)
+      case logger::UART_SELECTION_UART2:
+#endif
+        if (this->uart_num_ >= 0) {
+          size_t available;
+          uart_get_buffered_data_len(this->uart_num_, &available);
+          if (available) {
+            uart_read_bytes(this->uart_num_, &data, 1, 0);
+            byte = data;
+          }
+        }
+        break;
+#if defined(USE_LOGGER_USB_CDC) && defined(CONFIG_ESP_CONSOLE_USB_CDC)
+      case logger::UART_SELECTION_USB_CDC:
+        if (esp_usb_console_available_for_read()) {
+          esp_usb_console_read_buf((char *) &data, 1);
+          byte = data;
+        }
+        break;
+#endif
+#ifdef USE_LOGGER_USB_SERIAL_JTAG
+      case logger::UART_SELECTION_USB_SERIAL_JTAG: {
+        if (usb_serial_jtag_read_bytes((char *) &data, 1, 0)) {
+          byte = data;
+        }
+        break;
+      }
+#endif
+      default:
+        break;
+    }
+#elif defined(USE_ARDUINO)
+    if (this->hw_serial_->available()) {
+      this->hw_serial_->readBytes(&data, 1);
+      byte = data;
+    }
+#endif
+    return byte;
+  }
   void write_data_(const uint8_t *data = nullptr, size_t size = 0);
 
   uint8_t tx_header_[TX_BUFFER_SIZE] = {
@@ -85,6 +131,7 @@ class ImprovSerialComponent final : public Component, public improv_base::Improv
 
 #ifdef USE_ESP32
   uart_port_t uart_num_;
+  logger::UARTSelection uart_selection_{logger::UART_SELECTION_UART0};
 #elif defined(USE_ARDUINO)
   Stream *hw_serial_{nullptr};
 #endif

esphome/components/kuntze/kuntze.cpp

@@ -7,13 +7,13 @@ namespace esphome::kuntze {
 
 static const char *const TAG = "kuntze";
 
-static const uint8_t CMD_READ_REG = 0x03;
 static const uint16_t REGISTER[] = {4136, 4160, 4680, 6000, 4688, 4728, 5832};
 
 // Maximum bytes to log for Modbus responses (2 registers = 4, plus count = 5)
 static constexpr size_t KUNTZE_MAX_LOG_BYTES = 8;
 
-void Kuntze::on_modbus_data(const std::vector<uint8_t> &data) {
+void Kuntze::on_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu) {
+  auto data = modbus::helpers::server_pdu_payload(response_pdu);
   auto get_16bit = [&](int i) -> uint16_t { return (uint16_t(data[i * 2]) << 8) | uint16_t(data[i * 2 + 1]); };
 
   this->waiting_ = false;
@@ -76,7 +76,7 @@ void Kuntze::loop() {
   if (this->waiting_ || (this->state_ == 0))
     return;
   this->last_send_ = now;
-  send(CMD_READ_REG, REGISTER[this->state_ - 1], 2);
+  this->read_holding_registers(REGISTER[this->state_ - 1], 2);
   this->waiting_ = true;
 }
 

esphome/components/kuntze/kuntze.h

@@ -4,6 +4,8 @@
 #include "esphome/components/sensor/sensor.h"
 #include "esphome/components/modbus/modbus.h"
 
+#include <span>
+
 namespace esphome::kuntze {
 
 class Kuntze final : public PollingComponent, public modbus::ModbusClientDevice {
@@ -19,7 +21,7 @@ class Kuntze final : public PollingComponent, public modbus::ModbusClientDevice
   void loop() override;
   void update() override;
 
-  void on_modbus_data(const std::vector<uint8_t> &data) override;
+  void on_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu) override;
 
   void dump_config() override;
 

esphome/components/libretiny/__init__.py

@@ -26,6 +26,7 @@ from esphome.const import (
 from esphome.core import CORE
 from esphome.core.config import BOARD_MAX_LENGTH
 from esphome.helpers import copy_file_if_changed
+from esphome.platformio.toolchain import copy_ccache_script
 from esphome.storage_json import StorageJSON
 
 from . import gpio  # noqa: F401
@@ -506,6 +507,7 @@ async def component_to_code(config):
         # it for project source files only. GCC uses the last -O flag.
         build_src_flags += " -Os"
     cg.add_platformio_option("build_src_flags", build_src_flags)
+    cg.add_platformio_option("extra_scripts", ["pre:ccache.py"])
     # IRAM_ATTR is a no-op on BK72xx (SDK masks FIQ+IRQ around flash ops).
     # On other families, patch_linker.py routes .sram.text into the right
     # RAM-executable output section and prints a post-link placement summary.
@@ -580,8 +582,13 @@ async def component_to_code(config):
         cg.add_platformio_option("custom_fw_name", "esphome")
         cg.add_platformio_option("custom_fw_version", __version__)
 
-    # Apply chip-specific SDK options to save RAM/Flash
-    if config[CONF_FAMILY] in (FAMILY_BK7231N, FAMILY_BK7238):
+    # Apply chip-specific SDK options to save RAM/Flash.
+    # Skipped when bk72xx_ble is configured: add_platformio_option APPENDS list
+    # values (it never replaces), so emitting the disable here as well would put
+    # both CFG_SUPPORT_BLE=0 and =1 into the generated sys_config.h and rely on
+    # last-wins emission order. Skipping keeps it a single unambiguous define.
+    ble_requested = "bk72xx_ble" in CORE.config
+    if config[CONF_FAMILY] in (FAMILY_BK7231N, FAMILY_BK7238) and not ble_requested:
         cg.add_platformio_option(
             "custom_options.sys_config#h", _BLE5_BK_SYS_CONFIG_OPTIONS
         )
@@ -605,3 +612,4 @@ def copy_files() -> None:
         patch_linker_file,
         CORE.relative_build_path("patch_linker.py"),
     )
+    copy_ccache_script()

esphome/components/light/light_call.cpp

@@ -219,6 +219,18 @@ LightColorValues LightCall::validate_() {
     this->set_flag_(FLAG_HAS_STATE);
   }
 
+  // A light without brightness control has no way to represent "on but dark", so zero
+  // brightness -- how effects encode their dark phase -- means the light is off. Clear the
+  // brightness as well, so a zero can't linger in remote_values and leave the light stuck
+  // off: a later turn-on can't heal it, because the capability check below drops any
+  // brightness this mode doesn't support. explicit_turn_off_request was captured above, so
+  // a running effect is not stopped by this.
+  if (this->has_brightness() && this->brightness_ == 0.0f && !(color_mode & ColorCapability::BRIGHTNESS)) {
+    this->state_ = false;
+    this->set_flag_(FLAG_HAS_STATE);
+    this->clear_flag_(FLAG_HAS_BRIGHTNESS);
+  }
+
   // Make sure a simple (no specific brightness) turn-on makes the light visible
   if (this->has_state() && this->state_ && (color_mode & ColorCapability::BRIGHTNESS) && !this->has_brightness() &&
       this->parent_->remote_values.get_brightness() == 0.0f) {

esphome/components/logger/logger_host.cpp

@@ -21,6 +21,7 @@ void HOT Logger::write_msg_(const char *msg, uint16_t len) {
 
   // Single write for everything
   fwrite(buffer, 1, pos, stdout);
+  fflush(stdout);
 }
 
 void Logger::pre_setup() { global_logger = this; }

esphome/components/lvgl/__init__.py

@@ -1,4 +1,3 @@
-import functools
 import importlib
 from pathlib import Path
 import pkgutil
@@ -86,7 +85,7 @@ from .schemas import (
     any_widget_schema,
     container_schema,
     container_schema_value,
-    obj_dict,
+    theme_schema,
 )
 from .styles import styles_to_code, theme_to_code
 from .touchscreens import touchscreen_schema, touchscreens_to_code
@@ -215,6 +214,18 @@ def multi_conf_validate(configs: list[dict]):
                     raise cv.Invalid(
                         f"'{item}' must have an explicit group set when using multiple LVGL instances"
                     )
+    # The hidden styles a `theme:` block creates are tracked in a single map shared
+    # by all LVGL instances (keyed only by widget type, not by instance), so a
+    # second instance's `theme:` would silently lose to whichever instance is
+    # processed first instead of doing what its config implies.
+    themed_configs = sum(
+        1 for config in configs if config.get(df.CONF_THEME) is not None
+    )
+    if themed_configs > 1:
+        raise cv.Invalid(
+            "'theme' may only be set on one LVGL instance when using multiple LVGL "
+            "instances -- combine both themes into a single instance's 'theme:' block"
+        )
     base_config = configs[0]
     for config in configs[1:]:
         for item in (
@@ -552,34 +563,6 @@ def add_hello_world(config):
     return config
 
 
-@functools.cache
-def _build_theme_schema(
-    widget_types: tuple[tuple[str, widgets.WidgetType], ...],
-) -> cv.Schema:
-    # The theme schema is value-independent: it depends only on the set of
-    # registered widget types. Key the cache on a snapshot of WIDGET_TYPES so
-    # that an external component registering a new widget after the first
-    # validation (legal per any_widget_schema's lazy-evaluation contract)
-    # produces a fresh tuple, a cache miss, and a rebuilt schema -- the cache
-    # self-heals instead of stale-rejecting valid themes. See obj_dict() in
-    # schemas.py for why chained .extend() is avoided here.
-    return cv.Schema(
-        {
-            cv.Optional(df.CONF_DARK_MODE, default=False): cv.boolean,
-            **{
-                cv.Optional(name): cv.Schema(
-                    {**obj_dict(w), **FULL_STYLE_SCHEMA.schema}
-                )
-                for name, w in widget_types
-            },
-        }
-    )
-
-
-def _theme_schema(value: dict) -> dict:
-    return _build_theme_schema(tuple(WIDGET_TYPES.items()))(value)
-
-
 FINAL_VALIDATE_SCHEMA = final_validation
 
 # The options accepted at the top level of an `lvgl:` block, on top of the base
@@ -647,7 +630,7 @@ LVGL_TOP_LEVEL_SCHEMA = (
             cv.Optional(df.CONF_TOP_LAYER): container_schema(obj_spec),
             cv.Optional(df.CONF_BOTTOM_LAYER): container_schema(obj_spec),
             cv.Optional(df.CONF_TRANSPARENCY_KEY, default=0x000400): lvalid.lv_color,
-            cv.Optional(df.CONF_THEME): _theme_schema,
+            cv.Optional(df.CONF_THEME): theme_schema,
             cv.Optional(df.CONF_GRADIENTS): GRADIENT_SCHEMA,
             cv.Optional(df.CONF_TOUCHSCREENS, default=None): touchscreen_schema,
             cv.Optional(df.CONF_ENCODERS, default=None): ENCODERS_CONFIG,

esphome/components/lvgl/defines.py

@@ -33,6 +33,7 @@ KEY_NAMED_STYLES = "named_styles"
 KEY_REFRESHED_WIDGETS = "refreshed_widgets"
 KEY_REMAPPED_USES = "remapped_uses"
 KEY_STYLES_USED = "styles_used"
+KEY_THEME_UPDATE_REQUESTS = "theme_update_requests"
 KEY_THEME_WIDGET_MAP = "theme_widget_map"
 KEY_UPDATED_WIDGETS = "updated_widgets"
 KEY_WIDGET_MAP = "widget_map"
@@ -118,6 +119,14 @@ def get_theme_widget_map() -> dict[str, Any]:
     return _get_data(KEY_THEME_WIDGET_MAP, {})
 
 
+def get_theme_update_requests() -> dict[str, dict[tuple[str, str], None]]:
+    # Values are dicts used as ordered sets (insertion order is deterministic,
+    # unlike a plain `set` of strings/tuples, whose iteration order depends on
+    # per-process string hash randomization) so codegen output doesn't churn
+    # between builds of the same config.
+    return _get_data(KEY_THEME_UPDATE_REQUESTS, {})
+
+
 def get_styles_used() -> set[str]:
     return _get_data(KEY_STYLES_USED, set())
 

esphome/components/lvgl/schemas.py

@@ -1,4 +1,5 @@
 from collections.abc import Callable
+import functools
 from typing import Any
 
 from esphome import config_validation as cv
@@ -8,6 +9,7 @@ from esphome.components.time import RealTimeClock
 from esphome.config_validation import prepend_path
 from esphome.const import (
     CONF_ARGS,
+    CONF_DEFAULT,
     CONF_FORMAT,
     CONF_GROUP,
     CONF_ID,
@@ -69,7 +71,7 @@ from .types import (
     lv_pseudo_button_t,
     lv_style_t,
 )
-from .widgets import WidgetType
+from .widgets import WidgetType, collect_parts
 
 # this will be populated later, in __init__.py to avoid circular imports.
 WIDGET_TYPES: dict = {}
@@ -591,6 +593,96 @@ def obj_schema(widget_type: WidgetType) -> cv.Schema:
     return schema
 
 
+@functools.cache
+def _build_theme_schema(
+    widget_types: tuple[tuple[str, WidgetType], ...],
+    include_dark_mode: bool = True,
+) -> cv.Schema:
+    # The theme schema is value-independent: it depends only on the set of
+    # registered widget types. Key the cache on a snapshot of WIDGET_TYPES so
+    # that an external component registering a new widget after the first
+    # validation (legal per any_widget_schema's lazy-evaluation contract)
+    # produces a fresh tuple, a cache miss, and a rebuilt schema -- the cache
+    # self-heals instead of stale-rejecting valid themes. See obj_dict() above
+    # for why chained .extend() is avoided here.
+    return cv.Schema(
+        {
+            **(
+                {cv.Optional(df.CONF_DARK_MODE, default=False): cv.boolean}
+                if include_dark_mode
+                else {}
+            ),
+            **{
+                cv.Optional(name): cv.Schema(
+                    {**obj_dict(w), **FULL_STYLE_SCHEMA.schema}
+                )
+                for name, w in widget_types
+            },
+        }
+    )
+
+
+def _reject_theme_styles_key(validated: dict) -> dict:
+    """
+    `styles:` (a list of already-declared named styles) is not allowed inside
+    `theme:` -- the hidden style objects theme: creates only carry direct
+    style properties, so a `styles:` reference there would be silently
+    dropped by `style_set`, which only walks `ALL_STYLES`.
+    """
+    for w_name, style in validated.items():
+        if w_name not in WIDGET_TYPES:
+            continue
+        for part, states in collect_parts(style).items():
+            for state, props in states.items():
+                if df.CONF_STYLES not in props:
+                    continue
+                path = [w_name]
+                if part != df.CONF_MAIN:
+                    path.append(part)
+                if state != CONF_DEFAULT:
+                    path.append(state)
+                path.append(df.CONF_STYLES)
+                raise cv.Invalid(
+                    "'styles:' is not allowed in LVGL theme styles. "
+                    "Set style properties directly instead.",
+                    path,
+                )
+    return validated
+
+
+def theme_schema(value: dict) -> dict:
+    return _reject_theme_styles_key(
+        _build_theme_schema(tuple(WIDGET_TYPES.items()))(value)
+    )
+
+
+def theme_update_schema(value: dict) -> dict:
+    """
+    Schema for `lvgl.theme.update`: same shape as `theme:` minus `dark_mode`.
+    As a validation side effect, records which (widget type, part, state)
+    combos are targeted so `theme_to_code` can make sure a hidden style
+    exists for each -- even ones never mentioned under `theme:` -- and gets
+    it attached to widgets at the same point real theme styles are.
+    """
+    validated = _reject_theme_styles_key(
+        _build_theme_schema(tuple(WIDGET_TYPES.items()), include_dark_mode=False)(value)
+    )
+    for w_name, style in validated.items():
+        for part, states in collect_parts(style).items():
+            for state, props in states.items():
+                # collect_parts() unconditionally seeds a main/default entry
+                # even when nothing was set for it (e.g. `{pressed: {...}}`
+                # alone) -- skip combos with no properties so a request for
+                # one state doesn't also create an unused, empty main/default
+                # style that gets attached to every widget of this type.
+                if not props:
+                    continue
+                df.get_theme_update_requests().setdefault(w_name, {})[(part, state)] = (
+                    None
+                )
+    return validated
+
+
 ALIGN_TO_SCHEMA = {
     cv.Optional(df.CONF_ALIGN_TO): cv.Schema(
         {

esphome/components/lvgl/styles.py

@@ -10,11 +10,18 @@ from .defines import (
     LValidator,
     add_lv_use,
     get_styles_used,
+    get_theme_update_requests,
     get_theme_widget_map,
     literal,
 )
 from .lvcode import LambdaContext, lv
-from .schemas import ALL_STYLES, FULL_STYLE_SCHEMA, WIDGET_TYPES, remap_property
+from .schemas import (
+    ALL_STYLES,
+    FULL_STYLE_SCHEMA,
+    WIDGET_TYPES,
+    remap_property,
+    theme_update_schema,
+)
 from .types import ObjUpdateAction, lv_style_t
 from .widgets import collect_parts, wait_for_widgets
 
@@ -86,23 +93,91 @@ async def style_update_to_code(config, action_id, template_arg, args):
     style = await cg.get_variable(config[CONF_ID])
     async with LambdaContext(parameters=args, where=action_id) as context:
         await style_set(style, config)
+        # Refresh and redraw every widget using this style -- otherwise the
+        # updated properties would sit unused until something else happens to
+        # invalidate the affected widgets.
+        lv.obj_report_style_change(style)
 
     return cg.new_Pvariable(action_id, template_arg, await context.get_lambda())
 
 
 async def theme_to_code(config):
-    if theme := config.get(CONF_THEME):
-        add_lv_use(CONF_THEME)
-        for w_name, style in ((k, v) for k, v in theme.items() if k in WIDGET_TYPES):
-            # Work around Python 3.10 bug with nested async comprehensions
-            # With Python 3.11 this could be simplified
-            # TODO: Now that we require Python 3.11+, this can be updated to use nested comprehensions
-            styles = {}
-            for part, states in collect_parts(style).items():
-                styles[part] = {
-                    state: await create_style(
+    theme = config.get(CONF_THEME) or {}
+    requests = get_theme_update_requests()
+    # Iterate in WIDGET_TYPES' (deterministic, registration-order) sequence rather
+    # than a set -- a set of strings/tuples iterates in an order that depends on
+    # per-process hash randomization, which would otherwise churn the order hidden
+    # style variables are declared in main.cpp between builds of the same config.
+    widget_names = [
+        w_name for w_name in WIDGET_TYPES if w_name in theme or w_name in requests
+    ]
+    if not widget_names:
+        return
+    add_lv_use(CONF_THEME)
+    theme_map = get_theme_widget_map()
+    for w_name in widget_names:
+        declared_parts = collect_parts(theme[w_name]) if w_name in theme else {}
+        parts = {part: dict(states) for part, states in declared_parts.items()}
+        for part, state in requests.get(w_name, {}):
+            parts.setdefault(part, {}).setdefault(state, {})
+        widget_styles = theme_map.setdefault(w_name, {})
+        for part, states in parts.items():
+            part_styles = widget_styles.setdefault(part, {})
+            declared_states = declared_parts.get(part, {})
+            for state, props in states.items():
+                if state not in part_styles:
+                    part_styles[state] = await create_style(
                         "_lv_theme_style_" + w_name + "_" + part + "_" + state, props
                     )
-                    for state, props in states.items()
-                }
-            get_theme_widget_map()[w_name] = styles
+                elif state in declared_states:
+                    # A `theme.update` request for this combo (possibly from
+                    # another LVGL instance) already created the style as an
+                    # empty placeholder before this instance's real `theme:`
+                    # declaration was reached -- apply the real values now
+                    # instead of silently leaving it empty.
+                    await style_set(part_styles[state], props)
+
+
+@automation.register_action(
+    "lvgl.theme.update",
+    ObjUpdateAction,
+    theme_update_schema,
+    synchronous=True,
+)
+async def theme_update_to_code(config, action_id, template_arg, args):
+    await wait_for_widgets()
+    theme_map = get_theme_widget_map()
+    # Invariant this relies on: theme_update_schema() records every (widget
+    # type, part, state) combo this action targets as a request during config
+    # validation (which completes for the whole config tree before any
+    # to_code runs), and theme_to_code() -- which runs for every LVGL
+    # instance before any action's own to_code -- materialises a style for
+    # each recorded request. If that handshake is ever broken by a future
+    # change, fail with a diagnosable message rather than a bare KeyError.
+    to_update = []
+    for w_name, style in config.items():
+        for part, states in collect_parts(style).items():
+            for state, props in states.items():
+                # collect_parts() unconditionally seeds an (empty) main/default
+                # entry even when this action didn't target it -- skip it, both
+                # because there's nothing to update and because
+                # theme_update_schema no longer pre-creates a placeholder style
+                # for combos with no properties.
+                if not props:
+                    continue
+                style_var = theme_map.get(w_name, {}).get(part, {}).get(state)
+                if style_var is None:
+                    raise cv.Invalid(
+                        f"No theme style exists for '{w_name}' {part}/{state}. "
+                        "This is an internal error -- please report it."
+                    )
+                to_update.append((style_var, props))
+    async with LambdaContext(parameters=args, where=action_id) as context:
+        for style_var, props in to_update:
+            await style_set(style_var, props)
+            # Refresh and redraw every widget using this style -- otherwise the
+            # updated properties would sit unused until something else happens
+            # to invalidate the affected widgets.
+            lv.obj_report_style_change(style_var)
+
+    return cg.new_Pvariable(action_id, template_arg, await context.get_lambda())

esphome/components/mdns/__init__.py

@@ -209,7 +209,7 @@ async def to_code(config):
                 ethernet.request_ethernet_ip_state_listener()
 
     if CORE.is_esp32:
-        add_idf_component(name="espressif/mdns", ref="1.11.0")
+        add_idf_component(name="espressif/mdns", ref="1.11.3")
 
     cg.add_define("USE_MDNS")
 

esphome/components/mipi_spi/mipi_spi.h

@@ -385,10 +385,10 @@ class MipiSpi : public display::Display,
    * @param ptr The pointer to the pixel data
    * @param w Width of each line in bytes
    * @param h Height of the buffer in rows
-   * @param pad Padding in bytes after each line
+   * @param stride Total length of each line in bytes, including any padding
    */
-  void write_display_data_(const uint8_t *ptr, size_t w, size_t h, size_t pad) {
-    if (pad == 0) {
+  void write_display_data_(const uint8_t *ptr, size_t w, size_t h, size_t stride) {
+    if (stride == w) {
       if constexpr (BUS_TYPE == BUS_TYPE_SINGLE || BUS_TYPE == BUS_TYPE_SINGLE_16) {
         this->write_array(ptr, w * h);
       } else if constexpr (BUS_TYPE == BUS_TYPE_QUAD) {
@@ -405,7 +405,7 @@ class MipiSpi : public display::Display,
         } else if constexpr (BUS_TYPE == BUS_TYPE_OCTAL) {
           this->write_cmd_addr_data(0, 0, 0, 0, ptr, w, 8);
         }
-        ptr += w + pad;
+        ptr += stride;
       }
     }
   }
@@ -423,7 +423,7 @@ class MipiSpi : public display::Display,
     ptr += y_offset * (x_offset + w + x_pad) + x_offset;
     if constexpr (BUFFERPIXEL == DISPLAYPIXEL) {
       this->write_display_data_(reinterpret_cast<const uint8_t *>(ptr), w * sizeof(BUFFERTYPE), h,
-                                x_pad * sizeof(BUFFERTYPE));
+                                (x_offset + w + x_pad) * sizeof(BUFFERTYPE));
     } else {
       // type conversion required, do it in chunks
       uint8_t dbuffer[DISPLAYPIXEL * 48];
@@ -459,14 +459,14 @@ class MipiSpi : public display::Display,
           }
           // buffer full? Flush.
           if (dptr == dbuffer + sizeof(dbuffer)) {
-            this->write_display_data_(dbuffer, sizeof(dbuffer), 1, 0);
+            this->write_display_data_(dbuffer, sizeof(dbuffer), 1, sizeof(dbuffer));
             dptr = dbuffer;
           }
         }
       }
       // flush any remaining data
       if (dptr != dbuffer) {
-        this->write_display_data_(dbuffer, dptr - dbuffer, 1, 0);
+        this->write_display_data_(dbuffer, dptr - dbuffer, 1, dptr - dbuffer);
       }
     }
     this->disable();

esphome/components/mipi_spi/models/st77916.py

@@ -0,0 +1,269 @@
+# Init sequence sourced from Espressif's esp-bsp repository:
+# https://github.com/espressif/esp-bsp/blob/master/bsp/esp_vocat/priv_include/disp_init_data.h
+# SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+
+from esphome.components.mipi import MODE_RGB, DriverChip
+from esphome.components.spi import TYPE_QUAD
+from esphome.const import CONF_INVERTED, CONF_NUMBER
+
+# Init sequence for the ST77916 QSPI display on the ESP-VoCat v1.2 board.
+# Source: disp_init_data.h from espressif/esp-bsp (bsp/esp_vocat/priv_include).
+# The standard INVON/INVOFF and SLPOUT+DISPON commands (and required delays) are omitted because
+# the mipi_spi framework appends them automatically based on the invert_colors and no_slpout settings.
+# (So this sequence only contains panel-specific setup commands.)
+_ESP_VOCAT_INIT = (
+    # Page 1a — startup unlock
+    (0xF0, 0x28),
+    (0xF2, 0x28),
+    (0x73, 0xF0),
+    (0x7C, 0xD1),
+    (0x83, 0xE0),
+    (0x84, 0x61),
+    (0xF2, 0x82),
+    # Switch to page 0 → page 1
+    (0xF0, 0x00),
+    (0xF0, 0x01),
+    (0xF1, 0x01),
+    # Power settings (Bx)
+    (0xB0, 0x56),
+    (0xB1, 0x4D),
+    (0xB2, 0x24),
+    (0xB4, 0x87),
+    (0xB5, 0x44),
+    (0xB6, 0x8B),
+    (0xB7, 0x40),
+    (0xB8, 0x86),
+    (0xBA, 0x00),
+    (0xBB, 0x08),
+    (0xBC, 0x08),
+    (0xBD, 0x00),
+    # VCOM / gate settings (Cx)
+    (0xC0, 0x80),
+    (0xC1, 0x10),
+    (0xC2, 0x37),
+    (0xC3, 0x80),
+    (0xC4, 0x10),
+    (0xC5, 0x37),
+    (0xC6, 0xA9),
+    (0xC7, 0x41),
+    (0xC8, 0x01),
+    (0xC9, 0xA9),
+    (0xCA, 0x41),
+    (0xCB, 0x01),
+    # Source settings (Dx)
+    (0xD0, 0x91),
+    (0xD1, 0x68),
+    (0xD2, 0x68),
+    # Misc
+    (0xF5, 0x00, 0xA5),
+    (0xDD, 0x4F),
+    (0xDE, 0x4F),
+    (0xF1, 0x10),
+    (0xF0, 0x00),
+    # Switch to page 2 — gamma
+    (0xF0, 0x02),
+    (
+        0xE0,
+        0xF0,
+        0x0A,
+        0x10,
+        0x09,
+        0x09,
+        0x36,
+        0x35,
+        0x33,
+        0x4A,
+        0x29,
+        0x15,
+        0x15,
+        0x2E,
+        0x34,
+    ),
+    (
+        0xE1,
+        0xF0,
+        0x0A,
+        0x0F,
+        0x08,
+        0x08,
+        0x05,
+        0x34,
+        0x33,
+        0x4A,
+        0x39,
+        0x15,
+        0x15,
+        0x2D,
+        0x33,
+    ),
+    # Switch to page 10 — GIP / timing
+    (0xF0, 0x10),
+    (0xF3, 0x10),
+    # Page 10: Exxx
+    (0xE0, 0x07),
+    (0xE1, 0x00),
+    (0xE2, 0x00),
+    (0xE3, 0x00),
+    (0xE4, 0xE0),
+    (0xE5, 0x06),
+    (0xE6, 0x21),
+    (0xE7, 0x01),
+    (0xE8, 0x05),
+    (0xE9, 0x02),
+    (0xEA, 0xDA),
+    (0xEB, 0x00),
+    (0xEC, 0x00),
+    (0xED, 0x0F),
+    (0xEE, 0x00),
+    (0xEF, 0x00),
+    # Page 10: Fxxx
+    (0xF8, 0x00),
+    (0xF9, 0x00),
+    (0xFA, 0x00),
+    (0xFB, 0x00),
+    (0xFC, 0x00),
+    (0xFD, 0x00),
+    (0xFE, 0x00),
+    (0xFF, 0x00),
+    # GIP section A (0x60–0x6B)
+    (0x60, 0x40),
+    (0x61, 0x04),
+    (0x62, 0x00),
+    (0x63, 0x42),
+    (0x64, 0xD9),
+    (0x65, 0x00),
+    (0x66, 0x00),
+    (0x67, 0x00),
+    (0x68, 0x00),
+    (0x69, 0x00),
+    (0x6A, 0x00),
+    (0x6B, 0x00),
+    # GIP section B (0x70–0x7B)
+    (0x70, 0x40),
+    (0x71, 0x03),
+    (0x72, 0x00),
+    (0x73, 0x42),
+    (0x74, 0xD8),
+    (0x75, 0x00),
+    (0x76, 0x00),
+    (0x77, 0x00),
+    (0x78, 0x00),
+    (0x79, 0x00),
+    (0x7A, 0x00),
+    (0x7B, 0x00),
+    # GIP timing (0x80–0x9F)
+    (0x80, 0x48),
+    (0x81, 0x00),
+    (0x82, 0x06),
+    (0x83, 0x02),
+    (0x84, 0xD6),
+    (0x85, 0x04),
+    (0x86, 0x00),
+    (0x87, 0x00),
+    (0x88, 0x48),
+    (0x89, 0x00),
+    (0x8A, 0x08),
+    (0x8B, 0x02),
+    (0x8C, 0xD8),
+    (0x8D, 0x04),
+    (0x8E, 0x00),
+    (0x8F, 0x00),
+    (0x90, 0x48),
+    (0x91, 0x00),
+    (0x92, 0x0A),
+    (0x93, 0x02),
+    (0x94, 0xDA),
+    (0x95, 0x04),
+    (0x96, 0x00),
+    (0x97, 0x00),
+    (0x98, 0x48),
+    (0x99, 0x00),
+    (0x9A, 0x0C),
+    (0x9B, 0x02),
+    (0x9C, 0xDC),
+    (0x9D, 0x04),
+    (0x9E, 0x00),
+    (0x9F, 0x00),
+    # GIP timing (0xA0–0xBF)
+    (0xA0, 0x48),
+    (0xA1, 0x00),
+    (0xA2, 0x05),
+    (0xA3, 0x02),
+    (0xA4, 0xD5),
+    (0xA5, 0x04),
+    (0xA6, 0x00),
+    (0xA7, 0x00),
+    (0xA8, 0x48),
+    (0xA9, 0x00),
+    (0xAA, 0x07),
+    (0xAB, 0x02),
+    (0xAC, 0xD7),
+    (0xAD, 0x04),
+    (0xAE, 0x00),
+    (0xAF, 0x00),
+    (0xB0, 0x48),
+    (0xB1, 0x00),
+    (0xB2, 0x09),
+    (0xB3, 0x02),
+    (0xB4, 0xD9),
+    (0xB5, 0x04),
+    (0xB6, 0x00),
+    (0xB7, 0x00),
+    (0xB8, 0x48),
+    (0xB9, 0x00),
+    (0xBA, 0x0B),
+    (0xBB, 0x02),
+    (0xBC, 0xDB),
+    (0xBD, 0x04),
+    (0xBE, 0x00),
+    (0xBF, 0x00),
+    # Source timing (0xC0–0xC9)
+    (0xC0, 0x10),
+    (0xC1, 0x47),
+    (0xC2, 0x56),
+    (0xC3, 0x65),
+    (0xC4, 0x74),
+    (0xC5, 0x88),
+    (0xC6, 0x99),
+    (0xC7, 0x01),
+    (0xC8, 0xBB),
+    (0xC9, 0xAA),
+    # Source timing (0xD0–0xD9)
+    (0xD0, 0x10),
+    (0xD1, 0x47),
+    (0xD2, 0x56),
+    (0xD3, 0x65),
+    (0xD4, 0x74),
+    (0xD5, 0x88),
+    (0xD6, 0x99),
+    (0xD7, 0x01),
+    (0xD8, 0xBB),
+    (0xD9, 0xAA),
+    # Finalise page 10, return to page 0
+    (0xF3, 0x01),
+    (0xF0, 0x00),
+    # INVON (0x21) and SLPOUT (0x11) are appended by the framework.
+)
+
+DriverChip(
+    "ESP-VOCAT",
+    width=360,
+    height=360,
+    # SPI pins for the ESP-VoCat v1.2 board.
+    # PCLK (GPIO18) and data pins (GPIO46/13/11/12) are configured on the spi: bus.
+    cs_pin=14,
+    # RST is active-HIGH on this panel; invert the ESPHome pin so the framework's
+    # active-low reset pulse (HIGH→LOW→HIGH) maps to the correct physical sequence
+    # (LOW→HIGH→LOW) on the wire.
+    reset_pin={CONF_NUMBER: 47, CONF_INVERTED: True},
+    # Note: GPIO9 behaviour varies by board revision (may be POWER_CTRL, not LCD_EN).
+    # Do not set a default enable_pin — manage LCD power in on_boot if needed.
+    # GPIO44 is the backlight; manage it separately via an output: or light:.
+    bus_mode=TYPE_QUAD,
+    data_rate="80MHz",
+    invert_colors=True,
+    color_order=MODE_RGB,
+    requires={"psram"},
+    initsequence=_ESP_VOCAT_INIT,
+)

esphome/components/mipi_spi/models/waveshare.py

@@ -203,6 +203,54 @@ AXS15231.extend(
     requires={"psram"},
 )
 
+# Init sequence and pins taken from the vendor demo:
+# "ESP32-S3-Touch-LCD-3.5B-Demo/Arduino/examples/09_lvgl_arduino_v8"
+# The panel has no reset line (demo passes RST = -1); the sleep-out, display-on
+# and first RAM write are issued by the framework, so they are omitted here.
+# fmt: off
+AXS15231.extend(
+    "WAVESHARE-ESP32-S3-TOUCH-LCD-3.5B",
+    width=320,
+    height=480,
+    # Vendor demo runs the AXS15231B at 32MHz; the ESP32 SPI clock cannot hit
+    # that exactly, data sheet says max 50MHz, so use 40MHz (proven on the same controller, JC3248W535)
+    data_rate="40MHz",
+    cs_pin=12,
+    requires={"psram"},
+    initsequence=(
+        (0xBB, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5A, 0xA5),
+        (0xA0, 0xC0, 0x10, 0x00, 0x02, 0x00, 0x00, 0x04, 0x3F, 0x20, 0x05, 0x3F, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00),
+        (0xA2, 0x30, 0x3C, 0x24, 0x14, 0xD0, 0x20, 0xFF, 0xE0, 0x40, 0x19, 0x80, 0x80, 0x80, 0x20, 0xF9, 0x10, 0x02, 0xFF, 0xFF, 0xF0, 0x90, 0x01, 0x32, 0xA0, 0x91, 0xE0, 0x20, 0x7F, 0xFF, 0x00, 0x5A),
+        (0xD0, 0xE0, 0x40, 0x51, 0x24, 0x08, 0x05, 0x10, 0x01, 0x20, 0x15, 0xC2, 0x42, 0x22, 0x22, 0xAA, 0x03, 0x10, 0x12, 0x60, 0x14, 0x1E, 0x51, 0x15, 0x00, 0x8A, 0x20, 0x00, 0x03, 0x3A, 0x12),
+        (0xA3, 0xA0, 0x06, 0xAA, 0x00, 0x08, 0x02, 0x0A, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x00, 0x55, 0x55),
+        (0xC1, 0x31, 0x04, 0x02, 0x02, 0x71, 0x05, 0x24, 0x55, 0x02, 0x00, 0x41, 0x00, 0x53, 0xFF, 0xFF, 0xFF, 0x4F, 0x52, 0x00, 0x4F, 0x52, 0x00, 0x45, 0x3B, 0x0B, 0x02, 0x0D, 0x00, 0xFF, 0x40),
+        (0xC3, 0x00, 0x00, 0x00, 0x50, 0x03, 0x00, 0x00, 0x00, 0x01, 0x80, 0x01),
+        (0xC4, 0x00, 0x24, 0x33, 0x80, 0x00, 0xEA, 0x64, 0x32, 0xC8, 0x64, 0xC8, 0x32, 0x90, 0x90, 0x11, 0x06, 0xDC, 0xFA, 0x00, 0x00, 0x80, 0xFE, 0x10, 0x10, 0x00, 0x0A, 0x0A, 0x44, 0x50),
+        (0xC5, 0x18, 0x00, 0x00, 0x03, 0xFE, 0x3A, 0x4A, 0x20, 0x30, 0x10, 0x88, 0xDE, 0x0D, 0x08, 0x0F, 0x0F, 0x01, 0x3A, 0x4A, 0x20, 0x10, 0x10, 0x00),
+        (0xC6, 0x05, 0x0A, 0x05, 0x0A, 0x00, 0xE0, 0x2E, 0x0B, 0x12, 0x22, 0x12, 0x22, 0x01, 0x03, 0x00, 0x3F, 0x6A, 0x18, 0xC8, 0x22),
+        (0xC7, 0x50, 0x32, 0x28, 0x00, 0xA2, 0x80, 0x8F, 0x00, 0x80, 0xFF, 0x07, 0x11, 0x9C, 0x67, 0xFF, 0x24, 0x0C, 0x0D, 0x0E, 0x0F),
+        (0xC9, 0x33, 0x44, 0x44, 0x01),
+        (0xCF, 0x2C, 0x1E, 0x88, 0x58, 0x13, 0x18, 0x56, 0x18, 0x1E, 0x68, 0x88, 0x00, 0x65, 0x09, 0x22, 0xC4, 0x0C, 0x77, 0x22, 0x44, 0xAA, 0x55, 0x08, 0x08, 0x12, 0xA0, 0x08),
+        (0xD5, 0x40, 0x8E, 0x8D, 0x01, 0x35, 0x04, 0x92, 0x74, 0x04, 0x92, 0x74, 0x04, 0x08, 0x6A, 0x04, 0x46, 0x03, 0x03, 0x03, 0x03, 0x82, 0x01, 0x03, 0x00, 0xE0, 0x51, 0xA1, 0x00, 0x00, 0x00),
+        (0xD6, 0x10, 0x32, 0x54, 0x76, 0x98, 0xBA, 0xDC, 0xFE, 0x93, 0x00, 0x01, 0x83, 0x07, 0x07, 0x00, 0x07, 0x07, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x84, 0x00, 0x20, 0x01, 0x00),
+        (0xD7, 0x03, 0x01, 0x0B, 0x09, 0x0F, 0x0D, 0x1E, 0x1F, 0x18, 0x1D, 0x1F, 0x19, 0x40, 0x8E, 0x04, 0x00, 0x20, 0xA0, 0x1F),
+        (0xD8, 0x02, 0x00, 0x0A, 0x08, 0x0E, 0x0C, 0x1E, 0x1F, 0x18, 0x1D, 0x1F, 0x19),
+        (0xD9, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F),
+        (0xDD, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F),
+        (0xDF, 0x44, 0x73, 0x4B, 0x69, 0x00, 0x0A, 0x02, 0x90),
+        (0xE0, 0x3B, 0x28, 0x10, 0x16, 0x0C, 0x06, 0x11, 0x28, 0x5C, 0x21, 0x0D, 0x35, 0x13, 0x2C, 0x33, 0x28, 0x0D),
+        (0xE1, 0x37, 0x28, 0x10, 0x16, 0x0B, 0x06, 0x11, 0x28, 0x5C, 0x21, 0x0D, 0x35, 0x14, 0x2C, 0x33, 0x28, 0x0F),
+        (0xE2, 0x3B, 0x07, 0x12, 0x18, 0x0E, 0x0D, 0x17, 0x35, 0x44, 0x32, 0x0C, 0x14, 0x14, 0x36, 0x3A, 0x2F, 0x0D),
+        (0xE3, 0x37, 0x07, 0x12, 0x18, 0x0E, 0x0D, 0x17, 0x35, 0x44, 0x32, 0x0C, 0x14, 0x14, 0x36, 0x32, 0x2F, 0x0F),
+        (0xE4, 0x3B, 0x07, 0x12, 0x18, 0x0E, 0x0D, 0x17, 0x39, 0x44, 0x2E, 0x0C, 0x14, 0x14, 0x36, 0x3A, 0x2F, 0x0D),
+        (0xE5, 0x37, 0x07, 0x12, 0x18, 0x0E, 0x0D, 0x17, 0x39, 0x44, 0x2E, 0x0C, 0x14, 0x14, 0x36, 0x3A, 0x2F, 0x0F),
+        (0xA4, 0x85, 0x85, 0x95, 0x82, 0xAF, 0xAA, 0xAA, 0x80, 0x10, 0x30, 0x40, 0x40, 0x20, 0xFF, 0x60, 0x30),
+        (0xA4, 0x85, 0x85, 0x95, 0x85),
+        (0xBB, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00),
+    ),
+)
+# fmt: on
+
 # Waveshare 1.83-v2
 #
 # Do not use on 1.83-v1: Vendor warning on different chip!

esphome/components/modbus/helpers.py

@@ -3,33 +3,34 @@ import esphome.codegen as cg
 modbus_ns = cg.esphome_ns.namespace("modbus")
 modbus_helpers_ns = modbus_ns.namespace("helpers")
 
-ModbusFunctionCode_ns = modbus_ns.namespace("ModbusFunctionCode")
-ModbusFunctionCode = ModbusFunctionCode_ns.enum("ModbusFunctionCode")
+FunctionCode_ns = modbus_ns.namespace("FunctionCode")
+FunctionCode = FunctionCode_ns.enum("FunctionCode")
 
 MODBUS_FUNCTION_CODE = {
-    "read_coils": ModbusFunctionCode.READ_COILS,
-    "read_discrete_inputs": ModbusFunctionCode.READ_DISCRETE_INPUTS,
-    "read_holding_registers": ModbusFunctionCode.READ_HOLDING_REGISTERS,
-    "read_input_registers": ModbusFunctionCode.READ_INPUT_REGISTERS,
-    "write_single_coil": ModbusFunctionCode.WRITE_SINGLE_COIL,
-    "write_single_register": ModbusFunctionCode.WRITE_SINGLE_REGISTER,
-    "write_multiple_coils": ModbusFunctionCode.WRITE_MULTIPLE_COILS,
-    "write_multiple_registers": ModbusFunctionCode.WRITE_MULTIPLE_REGISTERS,
+    "read_coils": FunctionCode.READ_COILS,
+    "read_discrete_inputs": FunctionCode.READ_DISCRETE_INPUTS,
+    "read_holding_registers": FunctionCode.READ_HOLDING_REGISTERS,
+    "read_input_registers": FunctionCode.READ_INPUT_REGISTERS,
+    "write_single_coil": FunctionCode.WRITE_SINGLE_COIL,
+    "write_single_register": FunctionCode.WRITE_SINGLE_REGISTER,
+    "write_multiple_coils": FunctionCode.WRITE_MULTIPLE_COILS,
+    "write_multiple_registers": FunctionCode.WRITE_MULTIPLE_REGISTERS,
 }
 
-ModbusRegisterType_ns = modbus_ns.namespace("ModbusRegisterType")
-ModbusRegisterType = ModbusRegisterType_ns.enum("ModbusRegisterType")
+EntityType_ns = modbus_ns.namespace("EntityType")
+EntityType = EntityType_ns.enum("EntityType")
 
 MODBUS_WRITE_REGISTER_TYPE = {
-    "custom": ModbusRegisterType.CUSTOM,
-    "coil": ModbusRegisterType.COIL,
-    "holding": ModbusRegisterType.HOLDING,
+    "custom": EntityType.CUSTOM,
+    "coil": EntityType.COIL,
+    "holding": EntityType.HOLDING,
 }
 
 MODBUS_REGISTER_TYPE = {
     **MODBUS_WRITE_REGISTER_TYPE,
-    "discrete_input": ModbusRegisterType.DISCRETE_INPUT,
-    "read": ModbusRegisterType.INPUT_REGISTER,
+    "discrete_input": EntityType.DISCRETE_INPUT,
+    "read": EntityType.INPUT_REGISTER,
+    "input": EntityType.INPUT_REGISTER,
 }
 
 SensorValueType_ns = modbus_helpers_ns.namespace("SensorValueType")

esphome/components/modbus/modbus.cpp

@@ -51,7 +51,7 @@ void ModbusClientHub::loop() {
   //  If we're past the send_wait_time timeout and response buffer doesn't have the start of the expected response
   if (this->waiting_for_response_.has_value()) {
     ModbusDeviceCommand &wfr = this->waiting_for_response_.value();
-    uint8_t expected_address = wfr.frame.data.data()[0];
+    uint8_t expected_address = wfr.frame.address();
     if (this->last_receive_check_ - this->last_send_ > this->last_send_tx_offset_ + this->send_wait_time_ &&
         (this->rx_buffer_.empty() || this->rx_buffer_[0] != expected_address)) {
       ESP_LOGW(TAG, "Stop waiting for response from %" PRIu8 " %" PRIu32 "ms after last send", expected_address,
@@ -214,11 +214,10 @@ bool Modbus::parse_modbus_server_frame_() {
 
   // Process before clearing: process_modbus_server_frame (receiving a response or peer message) never sends a reply
   // synchronously. We can safely point directly into rx_buffer_ and avoid a copy.
-  uint8_t data_offset = helpers::server_frame_data_offset(this->rx_buffer_.data(), this->rx_buffer_.size());
-  const uint8_t *data = this->rx_buffer_.data() + data_offset;
-  uint16_t data_len = frame_length - 2 - data_offset;
+  // The PDU is the frame without the leading address and the trailing CRC.
+  std::span<const uint8_t> pdu(this->rx_buffer_.data() + 1, frame_length - 3);
 
-  this->process_modbus_server_frame(address, function_code, data, data_len);
+  this->process_modbus_server_frame(address, pdu);
   this->clear_rx_buffer_(LOG_STR("parse succeeded"), false, frame_length);
 
   return true;
@@ -258,8 +257,16 @@ bool ModbusServerHub::parse_modbus_client_frame_() {
   return true;
 }
 
-void ModbusClientHub::process_modbus_server_frame(uint8_t address, uint8_t function_code, const uint8_t *data,
-                                                  uint16_t len) {
+// Bounds contract, enforced by the parser (parse_modbus_server_frame_) rather than locally:
+// - pdu is never empty: helpers::server_pdu_length() returns at least MIN_PDU_SIZE (1) on every
+//   branch, and find_custom_frame_end_() only ever lengthens the frame, so the PDU always holds
+//   at least the function code.
+// - When the exception bit is set, pdu has at least 2 bytes: server_pdu_length() checks the
+//   exception bit before anything else and pins those PDUs to 2 bytes, so the exception code
+//   read below is always present.
+// Keep those guarantees in mind when changing server_pdu_length() or adding callers.
+void ModbusClientHub::process_modbus_server_frame(uint8_t address, std::span<const uint8_t> pdu) {
+  const uint8_t function_code = pdu[0];
   if (!this->waiting_for_response_.has_value()) {
     ESP_LOGW(TAG,
              "Received unexpected frame from address %" PRIu8 ", function code 0x%X, %" PRIu32 "ms after last send",
@@ -269,8 +276,8 @@ void ModbusClientHub::process_modbus_server_frame(uint8_t address, uint8_t funct
     // Check if the response matches the expected address and function code
 
     ModbusDeviceCommand &wfr = this->waiting_for_response_.value();
-    uint8_t expected_address = wfr.frame.data.data()[0];
-    uint8_t expected_function_code = wfr.frame.data.data()[1];
+    uint8_t expected_address = wfr.frame.address();
+    uint8_t expected_function_code = wfr.frame.pdu()[0];
     if (expected_address != address || expected_function_code != (function_code & FUNCTION_CODE_MASK)) {
       ESP_LOGW(TAG,
                "Received incorrect frame address %" PRIu8 " <> %" PRIu8 " or function code 0x%X <> 0x%X, %" PRIu32
@@ -292,20 +299,22 @@ void ModbusClientHub::process_modbus_server_frame(uint8_t address, uint8_t funct
       return;
     } else {  // We have a valid device waiting for this response
 
-      ModbusClientDevice *device = wfr.device;
+      // Move the command out of the waiting slot so the request PDU stays alive for the callback.
+      ModbusDeviceCommand command = std::move(this->waiting_for_response_.value());
       this->waiting_for_response_.reset();
+      ModbusClientDevice *device = command.device;
+      // The request PDU is the sent frame without the leading address and the trailing CRC.
+      std::span<const uint8_t> request_pdu = command.frame.pdu();
       // Is it an error response?
       if (helpers::is_function_code_exception(function_code)) {
-        uint8_t exception = len > 0 ? data[0] : 0;
+        uint8_t exception = pdu[1];  // exception frames are fixed-length, so the code is always present
         ESP_LOGW(TAG,
                  "Error function code: 0x%X exception: %" PRIu8 ", address: %" PRIu8 ", %" PRIu32 "ms after last send",
                  function_code, exception, address, this->last_modbus_byte_ - this->last_send_);
         if (device)
-          device->on_modbus_error(function_code & FUNCTION_CODE_MASK, exception);
-
+          device->on_error(request_pdu, static_cast<ExceptionCode>(exception));
       } else if (device) {  // Not an error response
-        // on_modbus_data is existing public API taking const std::vector<uint8_t>&
-        device->on_modbus_data(std::vector<uint8_t>(data, data + len));
+        device->on_response(request_pdu, pdu);
       } else {  // Not an error response, but no device to respond to
         ESP_LOGV(TAG, "Ignoring response from %" PRIu8 " - no callback device set, %" PRIu32 "ms after last send",
                  address, this->last_modbus_byte_ - this->last_send_);
@@ -314,7 +323,7 @@ void ModbusClientHub::process_modbus_server_frame(uint8_t address, uint8_t funct
   }
 }
 
-void ModbusServerHub::process_modbus_server_frame(uint8_t address, uint8_t function_code, const uint8_t *, uint16_t) {
+void ModbusServerHub::process_modbus_server_frame(uint8_t address, std::span<const uint8_t>) {
   if (this->find_device_(address) != nullptr) {
     ESP_LOGE(TAG, "Unexpected response from address %" PRIu8 ", which is mapped to this device.", address);
   }
@@ -344,7 +353,7 @@ bool ModbusServerHub::check_register_range_(uint8_t address, uint8_t function_co
   if ((uint32_t) start_address + number_of_registers > 0x10000u) {
     ESP_LOGW(TAG, "Register address out of range - start: %" PRIu16 " num: %" PRIu16, start_address,
              number_of_registers);
-    this->send_exception_(address, function_code, ModbusExceptionCode::ILLEGAL_DATA_ADDRESS);
+    this->send_exception_(address, function_code, ExceptionCode::ILLEGAL_DATA_ADDRESS);
     return false;
   }
   return true;
@@ -363,22 +372,22 @@ void ModbusServerHub::process_modbus_client_frame_(uint8_t address, uint8_t func
   const uint8_t *response_data = response_buffer;
   uint16_t response_len = 0;
 
-  switch (static_cast<ModbusFunctionCode>(function_code)) {
-    case ModbusFunctionCode::READ_HOLDING_REGISTERS:
-    case ModbusFunctionCode::READ_INPUT_REGISTERS: {
+  switch (static_cast<FunctionCode>(function_code)) {
+    case FunctionCode::READ_HOLDING_REGISTERS:
+    case FunctionCode::READ_INPUT_REGISTERS: {
       // PDU data: start address(2) + quantity(2).
       uint16_t start_address = helpers::get_data<uint16_t>(data, 0);
       uint16_t number_of_registers = helpers::get_data<uint16_t>(data, 2);
       if (number_of_registers == 0 || number_of_registers > MAX_NUM_OF_REGISTERS_TO_READ) {
         ESP_LOGW(TAG, "Invalid number of registers %" PRIu16, number_of_registers);
-        this->send_exception_(address, function_code, ModbusExceptionCode::ILLEGAL_DATA_VALUE);
+        this->send_exception_(address, function_code, ExceptionCode::ILLEGAL_DATA_VALUE);
         return;
       }
       if (!this->check_register_range_(address, function_code, start_address, number_of_registers)) {
         return;
       }
       RegisterValues registers;
-      if (static_cast<ModbusFunctionCode>(function_code) == ModbusFunctionCode::READ_HOLDING_REGISTERS) {
+      if (static_cast<FunctionCode>(function_code) == FunctionCode::READ_HOLDING_REGISTERS) {
         status = device->on_read_holding_registers(start_address, number_of_registers, registers);
       } else {
         status = device->on_read_input_registers(start_address, number_of_registers, registers);
@@ -393,7 +402,7 @@ void ModbusServerHub::process_modbus_client_frame_(uint8_t address, uint8_t func
 
       if (registers.size() != number_of_registers) {
         ESP_LOGE(TAG, "Incorrect response %" PRIu16 " requested, %zu returned", number_of_registers, registers.size());
-        this->send_exception_(address, function_code, ModbusExceptionCode::SERVICE_DEVICE_FAILURE);
+        this->send_exception_(address, function_code, ExceptionCode::SERVICE_DEVICE_FAILURE);
         return;
       }
 
@@ -405,8 +414,8 @@ void ModbusServerHub::process_modbus_client_frame_(uint8_t address, uint8_t func
       }
       break;
     }
-    case ModbusFunctionCode::WRITE_SINGLE_REGISTER:
-    case ModbusFunctionCode::WRITE_MULTIPLE_REGISTERS: {
+    case FunctionCode::WRITE_SINGLE_REGISTER:
+    case FunctionCode::WRITE_MULTIPLE_REGISTERS: {
       // PDU data: start address(2) [+ quantity(2) + byte count(1)] + register values.
       // A single-register write always targets one register; for a multiple-register write the
       // quantity is in the frame and its byte count must equal quantity * 2. The register values are
@@ -414,7 +423,7 @@ void ModbusServerHub::process_modbus_client_frame_(uint8_t address, uint8_t func
       uint16_t start_address = helpers::get_data<uint16_t>(data, 0);
       uint16_t number_of_registers = 1;
       uint16_t values_offset = 2;  // single write: values follow the 2-byte start address
-      if (static_cast<ModbusFunctionCode>(function_code) == ModbusFunctionCode::WRITE_MULTIPLE_REGISTERS) {
+      if (static_cast<FunctionCode>(function_code) == FunctionCode::WRITE_MULTIPLE_REGISTERS) {
         number_of_registers = helpers::get_data<uint16_t>(data, 2);
         uint8_t number_of_bytes = helpers::get_data<uint8_t>(data, 4);
         values_offset = 5;  // multiple write: values follow start address(2) + quantity(2) + byte count(1)
@@ -422,7 +431,7 @@ void ModbusServerHub::process_modbus_client_frame_(uint8_t address, uint8_t func
             number_of_registers * 2 != number_of_bytes) {
           ESP_LOGW(TAG, "Invalid number of registers %" PRIu16 " or bytes %" PRIu8, number_of_registers,
                    number_of_bytes);
-          this->send_exception_(address, function_code, ModbusExceptionCode::ILLEGAL_DATA_VALUE);
+          this->send_exception_(address, function_code, ExceptionCode::ILLEGAL_DATA_VALUE);
           return;
         }
         if (!this->check_register_range_(address, function_code, start_address, number_of_registers)) {
@@ -441,7 +450,7 @@ void ModbusServerHub::process_modbus_client_frame_(uint8_t address, uint8_t func
     }
     default:
       ESP_LOGW(TAG, "Unsupported function code %" PRIu8, function_code);
-      this->send_exception_(address, function_code, ModbusExceptionCode::ILLEGAL_FUNCTION);
+      this->send_exception_(address, function_code, ExceptionCode::ILLEGAL_FUNCTION);
       return;
   }
   if (status.has_value()) {
@@ -497,16 +506,25 @@ void ModbusClientHub::send_next_frame_() {
     return;
   }
 
-  ModbusDeviceCommand &command = this->tx_buffer_.front();
-
-  if (this->send_frame_(command.frame)) {
-    this->waiting_for_response_ = std::move(command);
-  } else {
-    if (command.device)
-      command.device->on_modbus_not_sent();
-  }
-
+  // Move the command out and pop BEFORE attempting the send: no callback may run while the frame still
+  // sits in the queue (the same principle as the clear sweep). A failure callback that sends would
+  // otherwise queue a new frame and pop_front() could discard the wrong one - and the deque
+  // reference / PDU span could be invalidated mid-callback.
+  ModbusDeviceCommand command = std::move(this->tx_buffer_.front());
   this->tx_buffer_.pop_front();
+  ModbusClientDevice *device = command.device;
+  const bool sent = this->send_frame_(command.frame);
+
+  if (sent) {
+    // The frame now lives in the waiting slot; its PDU is the frame without the leading address and
+    // trailing CRC.
+    ModbusDeviceCommand &wfr = this->waiting_for_response_.emplace(std::move(command));
+    if (device != nullptr)
+      device->on_sent(wfr.frame.pdu());
+  } else {
+    if (device != nullptr)
+      device->trigger_not_sent(command.frame.pdu());
+  }
 
   if (!this->tx_buffer_.empty()) {
     ESP_LOGV(TAG, "Write queue contains %zu items.", this->tx_buffer_.size());
@@ -553,7 +571,7 @@ void ModbusServerHub::send_response_(uint8_t address, uint8_t function_code, con
   this->send_raw_(raw_frame, payload_len + 2);
 }
 
-void ModbusServerHub::send_exception_(uint8_t address, uint8_t function_code, ModbusExceptionCode exception_code) {
+void ModbusServerHub::send_exception_(uint8_t address, uint8_t function_code, ExceptionCode exception_code) {
   uint8_t raw_frame[3];
   raw_frame[0] = address;
   raw_frame[1] = function_code | FUNCTION_CODE_EXCEPTION_MASK;
@@ -561,11 +579,10 @@ void ModbusServerHub::send_exception_(uint8_t address, uint8_t function_code, Mo
   this->send_raw_(raw_frame, 3);
 }
 
-// Raw send for client: pushes to tx queue. Everything except the CRC must be contained in payload.
 void ModbusClientHub::notify_no_response_(ModbusDeviceCommand &wfr) {
   if (wfr.device == nullptr)
     return;
-  const bool retry = wfr.device->on_modbus_no_response();
+  const bool retry = wfr.device->on_no_response(wfr.frame.pdu());
   // The callback may have detached the device (e.g. clear_tx_queue_for_device()); honor the detach
   // over the retry request rather than re-queueing a frame that can no longer be routed.
   if (retry && wfr.device != nullptr)
@@ -577,19 +594,28 @@ void ModbusClientHub::notify_no_response_(ModbusDeviceCommand &wfr) {
 void ModbusClientHub::requeue_waiting_frame_(ModbusDeviceCommand &wfr) {
   const ModbusFrame &frame = wfr.frame;
   if (this->tx_buffer_.size() >= MODBUS_TX_BUFFER_SIZE) {
-    ESP_LOGE(TAG, "Write buffer full, dropped retry for address %" PRIu8, frame.data.data()[0]);
+    ESP_LOGE(TAG, "Write buffer full, dropped retry for address %" PRIu8, frame.address());
     if (wfr.device != nullptr)
-      wfr.device->on_modbus_not_sent();
+      wfr.device->trigger_not_sent(frame.pdu());
     return;
   }
   // Re-queue a copy (not a move): the waiting entry may have to survive as an interrupted shell.
-  this->tx_buffer_.emplace_back(wfr.device, frame.data.data()[0], frame.data.data() + 1, frame.size() - 3);
+  this->tx_buffer_.emplace_back(wfr.device, frame.address(), frame.pdu());
 }
 
-void ModbusClientHub::queue_raw_(uint8_t address, const uint8_t *pdu, uint16_t pdu_len, ModbusClientDevice *device) {
-  if (pdu_len == 0) {
-    if (device)
-      device->on_modbus_not_sent();
+// Raw send for client: pushes to tx queue. Everything except the CRC must be contained in payload.
+void ModbusClientHub::send_pdu(uint8_t address, std::span<const uint8_t> pdu, ModbusClientDevice *device) {
+  if (pdu.empty()) {
+    if (device != nullptr)
+      device->trigger_not_sent(pdu);
+    return;
+  }
+
+  // Bound the PDU so the wire frame (address + pdu + CRC) stays within the Modbus RTU 256-byte limit.
+  if (pdu.size() > MAX_PDU_SIZE) {
+    ESP_LOGE(TAG, "Frame too large, dropped: %" PRIu8 ":%zu bytes", address, pdu.size());
+    if (device != nullptr)
+      device->trigger_not_sent(pdu);
     return;
   }
 
@@ -597,28 +623,48 @@ void ModbusClientHub::queue_raw_(uint8_t address, const uint8_t *pdu, uint16_t p
 #if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
     char hex_buf[format_hex_pretty_size(MODBUS_MAX_LOG_BYTES)];
 #endif
-    ESP_LOGV(TAG, "Adding frame to tx queue: %" PRIu8 ":%s", address, format_hex_pretty_to(hex_buf, pdu, pdu_len));
-    this->tx_buffer_.emplace_back(device, address, pdu, pdu_len);
+    ESP_LOGV(TAG, "Adding frame to tx queue: %" PRIu8 ":%s", address,
+             format_hex_pretty_to(hex_buf, pdu.data(), pdu.size()));
+    this->tx_buffer_.emplace_back(device, address, pdu);
   } else {
 #if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_ERROR
     char hex_buf[format_hex_pretty_size(MODBUS_MAX_LOG_BYTES)];
 #endif
-    ESP_LOGE(TAG, "Write buffer full, dropped: %" PRIu8 ":%s", address, format_hex_pretty_to(hex_buf, pdu, pdu_len));
-    if (device)
-      device->on_modbus_not_sent();
+    ESP_LOGE(TAG, "Write buffer full, dropped: %" PRIu8 ":%s", address,
+             format_hex_pretty_to(hex_buf, pdu.data(), pdu.size()));
+    if (device != nullptr)
+      device->trigger_not_sent(pdu);
   }
 }
 
 void ModbusClientHub::clear_tx_queue_for_address(uint8_t address, bool clear_sent) {
-  // Remove any pending commands for this address from the tx buffer
-  auto &tx_buffer = this->tx_buffer_;
-  tx_buffer.erase(
-      std::remove_if(tx_buffer.begin(), tx_buffer.end(),
-                     [address](const ModbusDeviceCommand &cmd) { return cmd.frame.data.data()[0] == address; }),
-      tx_buffer.end());
+  // Drop the queued frames for this address, delivering on_not_sent() to each frame's owner: other
+  // devices talking to the same physical device (e.g. a modbus_client action alongside a controller that
+  // just went offline) must observe the drop, or their command never resolves. Mark first, then sweep
+  // only marked frames: anything a callback re-queues is unmarked, so it
+  // is never swept - or re-notified - by the clear that triggered it. Each marked frame is moved out and erased BEFORE
+  // its callback runs, so handlers see a consistent queue; termination is guaranteed because only the initially-marked
+  // frames are ever swept.
+  for (auto &cmd : this->tx_buffer_) {
+    if (cmd.frame.address() == address)
+      cmd.marked_for_deletion = true;
+  }
+  for (;;) {
+    auto it = std::find_if(this->tx_buffer_.begin(), this->tx_buffer_.end(),
+                           [](const ModbusDeviceCommand &cmd) { return cmd.marked_for_deletion; });
+    if (it == this->tx_buffer_.end())
+      break;
+    ModbusDeviceCommand dropped = std::move(*it);
+    this->tx_buffer_.erase(it);
+    // The sweep delivers through the same per-device guard as refusals: a device clearing from inside
+    // its own on_not_sent() gets its remaining frames resolved silently (documented in the lifecycle
+    // contract), other owners are notified normally, and every nested clear stays bounded.
+    if (dropped.device != nullptr)
+      dropped.device->trigger_not_sent(dropped.frame.pdu());
+  }
 
   if (clear_sent && this->waiting_for_response_.has_value() && this->waiting_for_response_.value().device) {
-    if (this->waiting_for_response_.value().frame.data.data()[0] == address) {
+    if (this->waiting_for_response_.value().frame.address() == address) {
       ESP_LOGV(TAG, "Clearing waiting for response for address %" PRIu8, address);
       // Invalidate the waiting device so it won't process a response.
       this->waiting_for_response_.value().device = nullptr;
@@ -643,11 +689,11 @@ void ModbusClientHub::clear_tx_queue_for_device(ModbusClientDevice *device) {
 
 void ModbusClientHub::send_raw(const std::vector<uint8_t> &payload, ModbusClientDevice *device) {
   if (payload.size() < 2) {
-    if (device)
-      device->on_modbus_not_sent();
+    if (device != nullptr)
+      device->trigger_not_sent({});  // too short to contain a PDU
     return;
   }
-  this->queue_raw_(payload[0], payload.data() + 1, static_cast<uint16_t>(payload.size() - 1), device);
+  this->send_pdu(payload[0], std::span<const uint8_t>(payload).subspan(1), device);
 }
 
 // Send raw command for server replies immediately. Except CRC everything must be contained in payload
@@ -699,4 +745,150 @@ void Modbus::clear_rx_buffer_(const LogString *reason, bool warn, size_t bytes_t
   }
 }
 
+void ModbusClientDevice::dispatch_response_(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu,
+                                            ResponseStatus status) {
+  if (request_pdu.empty())
+    return;
+  auto function_code = static_cast<FunctionCode>(request_pdu[0]);
+  // All standard requests handled below are function code + start address + count/value (5 bytes);
+  // anything shorter cannot be parsed and is handed to the catch-all.
+  if (request_pdu.size() < READ_PDU_SIZE) {
+    this->on_custom_response(request_pdu, response_pdu, status);
+    return;
+  }
+  const uint16_t start_address = helpers::get_data<uint16_t>(request_pdu.data(), 1);
+  // count for reads/multi-writes, value for single writes
+  const uint16_t count_or_value = helpers::get_data<uint16_t>(request_pdu.data(), 3);
+
+  // Gatekeeper for the typed dispatch below: anything that is not a standard-conformant transaction is
+  // handed to on_custom_response() with the raw PDUs, so the decode cases can trust every length, byte
+  // count, and quantity field without re-clamping.
+  //  - The REQUEST must be standard: nothing upstream validates a caller-built request PDU, so its
+  //    internal byte count, quantity, and address range are checked here (is_client_pdu_standard()).
+  //  - On success, the RESPONSE must be standard (self-consistent; the frame parser already guarantees
+  //    most of this, but the check keeps the safety proof local), and a read response's length must also
+  //    match the REQUESTED count - the per-PDU checks cannot see that relationship, and a short but
+  //    self-consistent response must be diverted, never silently clamped and delivered as complete.
+  //  - On failure (status engaged) the response is empty by design (see on_error()), so only the request
+  //    is validated.
+  bool custom = !helpers::is_client_pdu_standard(request_pdu.data(), request_pdu.size());
+  if (!custom && !status.has_value()) {
+    custom = !helpers::is_server_pdu_standard(response_pdu.data(), response_pdu.size());
+    if (!custom && helpers::is_function_code_read(static_cast<uint8_t>(function_code))) {
+      const bool bits =
+          function_code == FunctionCode::READ_COILS || function_code == FunctionCode::READ_DISCRETE_INPUTS;
+      const size_t expected_data_size =
+          bits ? (static_cast<size_t>(count_or_value) + 7) / 8 : static_cast<size_t>(count_or_value) * 2;
+      if (response_pdu.size() != expected_data_size + 2) {
+        ESP_LOGD(TAG, "Response length %zu does not match request (expected %zu) for function code 0x%X",
+                 response_pdu.size(), expected_data_size + 2, static_cast<uint8_t>(function_code));
+        custom = true;
+      }
+    }
+  }
+  if (custom) {
+    this->on_custom_response(request_pdu, response_pdu, status);
+    return;
+  }
+
+  switch (function_code) {
+    case FunctionCode::READ_HOLDING_REGISTERS:
+    case FunctionCode::READ_INPUT_REGISTERS: {
+      // Decode the big-endian register words into host byte order. The gate guarantees a success response
+      // carries exactly count_or_value registers (and count_or_value <= MAX_NUM_OF_REGISTERS_TO_READ, the
+      // capacity of RegisterValues); a mismatch was diverted to on_custom_response(), never clamped. On
+      // failure the registers span is empty.
+      RegisterValues registers;
+      if (!status.has_value()) {
+        for (size_t i = 0; i != count_or_value; i++) {
+          registers.push_back(helpers::get_data<uint16_t>(response_pdu.data(), 2 + 2 * i));
+        }
+      }
+      std::span<const uint16_t> register_span(registers.data(), registers.size());
+      if (function_code == FunctionCode::READ_HOLDING_REGISTERS) {
+        this->on_read_holding_registers(start_address, register_span, status);
+      } else {
+        this->on_read_input_registers(start_address, register_span, status);
+      }
+      break;
+    }
+    case FunctionCode::READ_COILS:
+    case FunctionCode::READ_DISCRETE_INPUTS: {
+      // Deliver the bits packed as on the wire; the gate guarantees a success response carries exactly
+      // (count_or_value + 7) / 8 data bytes. On failure the view is empty AND the count is zero -
+      // PackedBits::operator[] is unchecked, so size() must never promise bits with no bytes behind them.
+      std::span<const uint8_t> packed_bytes;
+      uint16_t count = 0;
+      if (!status.has_value()) {
+        packed_bytes = response_pdu.subspan(2);
+        count = count_or_value;
+      }
+      PackedBits bits(packed_bytes, count);
+      if (function_code == FunctionCode::READ_COILS) {
+        this->on_read_coils(start_address, bits, status);
+      } else {
+        this->on_read_discrete_inputs(start_address, bits, status);
+      }
+      break;
+    }
+    // Single-write acks echo the value: on success that echo is device-confirmed state - the one
+    // write whose acknowledgement carries a real read-back - so it is preferred over the request
+    // copy. On an exception the response has no value and the request copy is the only one.
+    case FunctionCode::WRITE_SINGLE_REGISTER:
+    case FunctionCode::WRITE_SINGLE_COIL: {
+      const uint16_t value = (!status.has_value() && response_pdu.size() >= WRITE_SINGLE_PDU_SIZE)
+                                 ? helpers::get_data<uint16_t>(response_pdu.data(), 3)
+                                 : count_or_value;
+      if (function_code == FunctionCode::WRITE_SINGLE_REGISTER) {
+        this->on_write_single_register(start_address, value, status);
+      } else {
+        this->on_write_single_coil(start_address, value == 0xFF00, status);
+      }
+      break;
+    }
+    case FunctionCode::WRITE_MULTIPLE_REGISTERS: {
+      // Request layout: [0] function code, [1..2] start address, [3..4] register count, [5] byte count,
+      // [6..] register data. The gate guarantees the request carries exactly count_or_value registers
+      // (<= MAX_NUM_OF_REGISTERS_TO_WRITE, within RegisterValues capacity). Decoded from the request and
+      // delivered regardless of status - see the write-acknowledgement note in modbus.h.
+      RegisterValues registers;
+      for (size_t i = 0; i != count_or_value; i++) {
+        registers.push_back(helpers::get_data<uint16_t>(request_pdu.data(), 6 + 2 * i));
+      }
+      std::span<const uint16_t> register_span(registers.data(), registers.size());
+      this->on_write_multiple_registers(start_address, register_span, status);
+      break;
+    }
+    case FunctionCode::WRITE_MULTIPLE_COILS: {
+      // Request layout: [0] function code, [1..2] start address, [3..4] coil count, [5] byte count,
+      // [6..] packed bits. The gate guarantees the request carries exactly (count_or_value + 7) / 8 packed
+      // bytes. Decoded from the request and delivered regardless of status - see the write-acknowledgement
+      // note in modbus.h.
+      std::span<const uint8_t> packed_bytes = request_pdu.subspan(6);
+      PackedBits bits(packed_bytes, count_or_value);
+      this->on_write_multiple_coils(start_address, bits, status);
+      break;
+    }
+    default:
+      this->on_custom_response(request_pdu, response_pdu, status);
+      break;
+  }
+}
+
+// Default on_custom_response handler to warn when responses unexpectedly trigger on_custom_response
+void ModbusClientDevice::on_custom_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu,
+                                            ResponseStatus status) {
+  // The dispatcher never calls this with an empty request, but this is a public virtual - stay safe.
+  const uint8_t function_code = request_pdu.empty() ? 0 : request_pdu[0];
+  // Warn once per device, then drop to VERBOSE: a mildly non-conformant peer answers every poll,
+  // and an unhandled-response warning per transaction would flood the log permanently.
+  if (!this->custom_response_warned_) {
+    this->custom_response_warned_ = true;
+    ESP_LOGW(TAG, "Non-standard request or response for function code 0x%X. No on_custom_response handler declared",
+             function_code);
+  } else {
+    ESP_LOGV(TAG, "Non-standard request or response for function code 0x%X (unhandled)", function_code);
+  }
+}
+
 }  // namespace esphome::modbus

esphome/components/modbus/modbus.h

@@ -9,6 +9,7 @@
 #include <array>
 #include <cstring>
 #include <memory>
+#include <span>
 #include <vector>
 #include <deque>
 #include <optional>
@@ -39,6 +40,13 @@ struct ModbusFrame {
   }
 
   uint16_t size() const { return static_cast<uint16_t>(this->data.size()); }
+
+  // A frame is [address][PDU...][CRC lo][CRC hi]. These are the only places that need to know that layout
+  uint8_t address() const { return this->data.data()[0]; }
+  /// The PDU: function code + data, without address or CRC. Only valid while the frame is alive.
+  /// Requires a complete frame (size() >= MIN_FRAME_SIZE, guaranteed by the constructors) - the
+  /// subtraction would wrap on anything shorter.
+  std::span<const uint8_t> pdu() const { return std::span<const uint8_t>(this->data.data() + 1, this->size() - 3u); }
 };
 
 class Modbus : public uart::UARTDevice, public Component {
@@ -59,8 +67,8 @@ class Modbus : public uart::UARTDevice, public Component {
   virtual int32_t tx_delay_remaining();
   virtual void parse_modbus_frames() = 0;
   bool parse_modbus_server_frame_();
-  virtual void process_modbus_server_frame(uint8_t address, uint8_t function_code, const uint8_t *data,
-                                           uint16_t len) = 0;
+  // pdu is the whole PDU (function code + payload, no address/CRC); pdu[0] is the (standard or custom) function code.
+  virtual void process_modbus_server_frame(uint8_t address, std::span<const uint8_t> pdu) = 0;
   void clear_rx_buffer_(const LogString *reason, bool warn = false, size_t bytes_to_clear = 0);
   bool send_frame_(const ModbusFrame &frame);
   // Scans forward from min_length to find a frame boundary by CRC match for custom function codes.
@@ -86,9 +94,16 @@ struct ModbusDeviceCommand {
   ModbusClientDevice *device;
   ModbusFrame frame;
   bool interrupted{false};
+  /// Marked by clear_tx_queue_for_address() before it starts notifying, so frames re-queued by an
+  /// on_not_sent() callback (which are unmarked) are never swept by the clear that triggered them.
+  bool marked_for_deletion{false};
 
   ModbusDeviceCommand(ModbusClientDevice *device, uint8_t address, const uint8_t *src, uint16_t len)
       : device(device), frame(address, src, len) {}
+  /// Build a command from a PDU span: a caller-supplied PDU, or an existing frame's own pdu() when re-queueing
+  /// Callers must bound the PDU to MAX_PDU_SIZE
+  ModbusDeviceCommand(ModbusClientDevice *device, uint8_t address, std::span<const uint8_t> pdu)
+      : device(device), frame(address, pdu.data(), static_cast<uint16_t>(pdu.size())) {}
 };
 
 class ModbusClientHub : public Modbus {
@@ -104,28 +119,29 @@ class ModbusClientHub : public Modbus {
   void send(uint8_t address, uint8_t function_code, uint16_t start_address, uint16_t number_of_entities,
             uint8_t payload_len = 0, const uint8_t *payload = nullptr, ModbusClientDevice *device = nullptr) {
     this->send_pdu(address,
-                   helpers::create_client_pdu((ModbusFunctionCode) function_code, start_address, number_of_entities,
-                                              payload, payload_len),
+                   helpers::create_client_pdu((FunctionCode) function_code, start_address, number_of_entities, payload,
+                                              payload_len),
                    device);
   };
-  void send_pdu(uint8_t address, std::span<const uint8_t> pdu, ModbusClientDevice *device = nullptr) {
-    this->queue_raw_(address, pdu.data(), pdu.size(), device);
-  }
+  void send_pdu(uint8_t address, std::span<const uint8_t> pdu, ModbusClientDevice *device = nullptr);
+  ESPDEPRECATED("Use send_pdu(payload[0], <pdu bytes>, device) instead. Removed in 2027.2.0", "2026.8.0")
   void send_raw(const std::vector<uint8_t> &payload, ModbusClientDevice *device = nullptr);
+  // Drop the queued commands for an address; every dropped frame resolves via its owner's on_not_sent(),
+  // so other devices sharing the address observe the drop. The in-flight frame is only detached (silently)
+  // when clear_sent is set. clear_tx_queue_for_device() SILENTLY discards the caller's own frames
+  // (supersede/teardown semantics); see the lifecycle note on ModbusClientDevice.
   void clear_tx_queue_for_address(uint8_t address, bool clear_sent = true);
   void clear_tx_queue_for_device(ModbusClientDevice *device);
 
  protected:
   int32_t tx_delay_remaining() override;
   void parse_modbus_frames() override;
-  // Parsers need to handle standard (ModbusFunctionCode) and custom (uint8_t) function codes, so we use uint8_t here.
-  void process_modbus_server_frame(uint8_t address, uint8_t function_code, const uint8_t *data, uint16_t len) override;
+  void process_modbus_server_frame(uint8_t address, std::span<const uint8_t> pdu) override;
   void send_next_frame_();
-  // Notify the waiting device of no response; re-queues the frame if on_modbus_no_response() returns true.
+  // Notify the waiting device of no response; re-queues the frame if on_no_response() returns true.
   // wfr is the caller's checked reference to waiting_for_response_.
   void notify_no_response_(ModbusDeviceCommand &wfr);
   void requeue_waiting_frame_(ModbusDeviceCommand &wfr);
-  void queue_raw_(uint8_t address, const uint8_t *pdu, uint16_t pdu_len, ModbusClientDevice *device = nullptr);
 
   uint16_t send_wait_time_{2000};
   uint16_t turnaround_delay_ms_{0};
@@ -146,8 +162,7 @@ class ModbusServerHub : public Modbus {
  protected:
   void parse_modbus_frames() override;
   bool parse_modbus_client_frame_();
-  // Parsers need to handle standard (ModbusFunctionCode) and custom (uint8_t) function codes, so we use uint8_t here.
-  void process_modbus_server_frame(uint8_t address, uint8_t function_code, const uint8_t *data, uint16_t len) override;
+  void process_modbus_server_frame(uint8_t address, std::span<const uint8_t> pdu) override;
   void process_modbus_client_frame_(uint8_t address, uint8_t function_code, const uint8_t *data);
   ModbusServerDevice *find_device_(uint8_t address);
   // Returns true if [start_address, start_address + number_of_registers) fits in the 16-bit address space.
@@ -155,7 +170,7 @@ class ModbusServerHub : public Modbus {
   bool check_register_range_(uint8_t address, uint8_t function_code, uint16_t start_address,
                              uint16_t number_of_registers);
   void send_raw_(const uint8_t *payload, uint16_t len);
-  void send_exception_(uint8_t address, uint8_t function_code, ModbusExceptionCode exception_code);
+  void send_exception_(uint8_t address, uint8_t function_code, ExceptionCode exception_code);
   void send_response_(uint8_t address, uint8_t function_code, const uint8_t *payload, uint16_t payload_len);
   uint8_t expecting_peer_response_{0};
   std::vector<ModbusServerDevice *> devices_;
@@ -166,6 +181,28 @@ class ModbusServerHub : public Modbus {
   uint16_t deferred_payload_len_{0};
 };
 
+// Transaction status: std::nullopt on success, otherwise a Modbus exception code
+using ResponseStatus = std::optional<ExceptionCode>;
+
+/// Command lifecycle: each accepted command (a send_pdu()/typed-helper call, or a hub re-queue from
+/// a retry) ends in exactly ONE terminal callback: on_response() (valid response), on_error()
+/// (exception response), on_no_response() (timeout or interrupted transaction), or on_not_sent()
+/// (never transmitted: send failure or full queue). on_sent() is additional, not
+/// terminal: it fires once per wire transmission, before whichever of data/error/no_response follows,
+/// and never for a command that ends in on_not_sent().
+/// The exceptions to "exactly one terminal":
+///  - clear_tx_queue_for_device() drops the caller's OWN queued commands SILENTLY (supersede/teardown
+///    semantics), and both clear variants detach the in-flight frame silently.
+///    clear_tx_queue_for_address() DOES resolve every queued frame it drops via the owner's
+///    on_not_sent() (delivered one at a time, after that frame leaves the queue).
+///  - while a device's own on_not_sent() is on the stack, further on_not_sent() deliveries to THAT
+///    device are dropped (see trigger_not_sent()). In particular, a clear issued from inside your own
+///    on_not_sent() resolves your remaining frames silently - treat it like
+///    clear_tx_queue_for_device(): you cleared them, you know. Other owners are still notified.
+/// Sending from inside on_not_sent() is hazardous: the notification may itself mean the queue is full
+/// or refusing, and this device's retry that is refused again is dropped WITHOUT a callback (the
+/// guard above, which bounds what would otherwise be unbounded re-entry) - prefer re-sending from a
+/// later trigger or the component's update()/loop().
 class ModbusClientDevice {
  public:
   ModbusClientDevice() = default;
@@ -180,22 +217,158 @@ class ModbusClientDevice {
   ModbusClientDevice &operator=(ModbusClientDevice &&) = delete;
   void set_parent(ModbusClientHub *parent) { this->parent_ = parent; }
   void set_address(uint8_t address) { this->address_ = address; }
-  virtual void on_modbus_data(const std::vector<uint8_t> &data) {}
-  virtual void on_modbus_error(uint8_t function_code, uint8_t exception_code) {}
+  /// Low-level response hook: called with the request PDU this device sent and the response PDU received
+  /// The spans are only valid for the duration of the call - copy the bytes if they must outlive it.
+  /// The default implementation decodes standard responses and dispatches to on_read_* / on_write_* callbacks below.
+  /// Override it to handle raw PDUs directly.
+  virtual void on_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu) {
+    this->dispatch_response_(request_pdu, response_pdu, std::nullopt);
+  }
+  /// Low-level error hook: called with the request PDU and the modbus exception code from the error response.
+  /// The default implementation dispatches to the same typed callbacks with the exception code as status.
+  /// Devices implementing the High-level typed callbacks see success and failure through one interface.
+  virtual void on_error(std::span<const uint8_t> request_pdu, ExceptionCode exception_code) {
+    this->dispatch_response_(request_pdu, {}, exception_code);
+  }
+  /// Called when no request could be sent (e.g. queue full, transmission blocked).
+  /// Do not attempt to queue a command in this callback.
+  /// (The on_modbus_* names below are deprecated pre-rename spellings; the defaults forward so
+  /// external devices overriding them keep working through the deprecation window.)
+  virtual void on_not_sent(std::span<const uint8_t> request_pdu) {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+    this->on_modbus_not_sent();
+#pragma GCC diagnostic pop
+  }
+  /// Non-virtual entry point the hub uses for EVERY on_not_sent() delivery (refusals and clear-queue
+  /// sweeps alike). While this device's on_not_sent() is on the stack, further deliveries to it are
+  /// dropped: this bounds every send->refuse and clear->sweep recursion, including cycles through
+  /// multiple devices (each device can appear on the stack at most once). The documented cost: a clear
+  /// issued from inside your own on_not_sent() resolves your remaining frames SILENTLY, while other
+  /// owners are still notified (their guards are not set) - see the lifecycle contract above.
+  void trigger_not_sent(std::span<const uint8_t> request_pdu) {
+    if (this->notifying_not_sent_)
+      return;
+    this->notifying_not_sent_ = true;
+    this->on_not_sent(request_pdu);
+    this->notifying_not_sent_ = false;
+  }
+  /// Called when this device's frame is actually written to the wire
+  virtual void on_sent(std::span<const uint8_t> request_pdu) {}
+  /// Called when no matching, uninterrupted response arrived; return true to have the hub re-queue the frame for a
+  /// retry. The hub does not bound retries: the device is responsible for limiting them.
+  virtual bool on_no_response(std::span<const uint8_t> request_pdu) {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+    return this->on_modbus_no_response();
+#pragma GCC diagnostic pop
+  }
+  // Remove before 2027.2.0
+  ESPDEPRECATED("Override on_not_sent() instead. Removed in 2027.2.0", "2026.8.0")
   virtual void on_modbus_not_sent() {}
-  /// Called when no (valid) response arrived; return true to have the hub re-queue the frame for a retry.
-  /// The hub does not bound retries: the device is responsible for limiting them (e.g. track a counter and
-  /// return false when exhausted), or an unresponsive peer will starve other traffic on the bus.
+  // Remove before 2027.2.0
+  ESPDEPRECATED("Override on_no_response() instead. Removed in 2027.2.0", "2026.8.0")
   virtual bool on_modbus_no_response() { return false; }
+
+  /// High-level typed response callbacks, fired by the default on_response()/on_error() with arguments
+  /// parsed from the request and response PDUs.
+  /// Status is std::nullopt on success; holds the exception code on failure.
+  /// Register values are in host byte order; spans are only valid for the duration of the call.
+  virtual void on_read_registers(EntityType entity_type, uint16_t start_address, std::span<const uint16_t> registers,
+                                 ResponseStatus status) {}
+  virtual void on_read_holding_registers(uint16_t start_address, std::span<const uint16_t> registers,
+                                         ResponseStatus status) {
+    this->on_read_registers(EntityType::HOLDING, start_address, registers, status);
+  }
+  virtual void on_read_input_registers(uint16_t start_address, std::span<const uint16_t> registers,
+                                       ResponseStatus status) {
+    this->on_read_registers(EntityType::INPUT_REGISTER, start_address, registers, status);
+  }
+  /// Coil/discrete-input reads are delivered as a PackedBits view (bit 0 = the bit at start_address,
+  /// bits.size() = the count requested). The view points into the hub's receive buffer and is only
+  /// valid during the call.
+  virtual void on_read_bits(EntityType entity_type, uint16_t start_address, PackedBits bits, ResponseStatus status) {}
+  virtual void on_read_coils(uint16_t start_address, PackedBits bits, ResponseStatus status) {
+    this->on_read_bits(EntityType::COIL, start_address, bits, status);
+  }
+  virtual void on_read_discrete_inputs(uint16_t start_address, PackedBits bits, ResponseStatus status) {
+    this->on_read_bits(EntityType::DISCRETE_INPUT, start_address, bits, status);
+  }
+  /// Write acknowledgements. These deliberately mirror the read callbacks' shapes, so a write ack can be fed
+  /// through the same handler as a read (registers.size() / bits.size() gives the count)
+  ///
+  /// IMPORTANT - for the multi-writes these are the values that were REQUESTED, not device-confirmed
+  /// state: a multi-write ack only echoes the start address and count, so the values are decoded from
+  /// the request PDU, and they are delivered even when status holds an exception code. Always check
+  /// status, and treat publishing them as an optimistic update rather than a read-back. The single
+  /// writes are the exception: their successful ack echoes the value, so on success the delivered
+  /// value is the device's echo (on an exception it falls back to the request copy).
+  virtual void on_write_single_register(uint16_t address, uint16_t value, ResponseStatus status) {}
+  virtual void on_write_single_coil(uint16_t address, bool value, ResponseStatus status) {}
+  virtual void on_write_multiple_registers(uint16_t start_address, std::span<const uint16_t> registers,
+                                           ResponseStatus status) {}
+  virtual void on_write_multiple_coils(uint16_t start_address, PackedBits bits, ResponseStatus status) {}
+  /// Catch-all for custom function codes and anything that is not a standard-conformant transaction
+  /// (see dispatch_response_()); on failure the response is empty and the exception code is in status.
+  /// The default implementation only logs a warning that the response is going unhandled - override it
+  /// to handle custom traffic (which also silences the warning).
+  virtual void on_custom_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu,
+                                  ResponseStatus status);
+  ESPDEPRECATED("Use the typed read_*/write_* helpers or send_pdu() instead. Removed in 2027.2.0", "2026.8.0")
   void send(uint8_t function, uint16_t start_address, uint16_t number_of_entities, uint8_t payload_len = 0,
             const uint8_t *payload = nullptr) {
-    this->parent_->send_pdu(this->address_,
-                            helpers::create_client_pdu((ModbusFunctionCode) function, start_address, number_of_entities,
-                                                       payload, payload_len),
-                            this);
+    this->parent_->send_pdu(
+        this->address_,
+        helpers::create_client_pdu((FunctionCode) function, start_address, number_of_entities, payload, payload_len),
+        this);
   }
   void send_pdu(std::span<const uint8_t> pdu) { this->parent_->send_pdu(this->address_, pdu, this); }
-  void send_raw(const std::vector<uint8_t> &payload) { this->parent_->send_raw(payload, this); }
+  ESPDEPRECATED("Use send_pdu() instead (the device address is prepended for you). Removed in 2027.2.0", "2026.8.0")
+  void send_raw(const std::vector<uint8_t> &payload) {
+    if (payload.empty()) {
+      // Through the guard like every other delivery, so a handler calling send_raw({}) cannot recurse.
+      this->trigger_not_sent({});
+      return;
+    }
+    this->parent_->send_pdu(payload[0], std::span<const uint8_t>(payload).subspan(1), this);
+  }
+  // Reads via the table-appropriate function code; an unreadable entity type maps to INVALID, which
+  // create_read_pdu() rejects into an empty PDU and send_pdu() signals via on_not_sent().
+  void read_entities(EntityType entity_type, uint16_t start_address, uint16_t number_of_entities) {
+    this->send_pdu(helpers::create_read_pdu(helpers::modbus_register_read_function(entity_type), start_address,
+                                            number_of_entities));
+  }
+  void read_input_registers(uint16_t start_address, uint16_t number_of_registers) {
+    this->send_pdu(helpers::create_read_pdu(FunctionCode::READ_INPUT_REGISTERS, start_address, number_of_registers));
+  }
+  void read_holding_registers(uint16_t start_address, uint16_t number_of_registers) {
+    this->send_pdu(helpers::create_read_pdu(FunctionCode::READ_HOLDING_REGISTERS, start_address, number_of_registers));
+  }
+  void read_coils(uint16_t start_address, uint16_t number_of_coils) {
+    this->send_pdu(helpers::create_read_pdu(FunctionCode::READ_COILS, start_address, number_of_coils));
+  }
+  void read_discrete_inputs(uint16_t start_address, uint16_t number_of_inputs) {
+    this->send_pdu(helpers::create_read_pdu(FunctionCode::READ_DISCRETE_INPUTS, start_address, number_of_inputs));
+  }
+  void write_single_register(uint16_t start_address, uint16_t value) {
+    this->send_pdu(helpers::create_write_single_register_pdu(start_address, value));
+  }
+  void write_single_coil(uint16_t address, bool value) {
+    this->send_pdu(helpers::create_write_single_coil_pdu(address, value));
+  }
+  void write_multiple_registers(uint16_t start_address, std::span<const uint16_t> values) {
+    this->send_pdu(helpers::create_write_registers_pdu(start_address, values));
+  }
+  /// Note: std::vector<bool> cannot bind to std::span<const bool>; use a contiguous bool container or the packed
+  /// overload.
+  void write_multiple_coils(uint16_t start_address, std::span<const bool> values) {
+    this->send_pdu(helpers::create_write_coils_pdu(start_address, values));
+  }
+  /// Packed variant: a PackedBits view (the same layout on_read_coils() delivers), so
+  /// read-modify-write needs no unpack/repack.
+  void write_multiple_coils(uint16_t start_address, PackedBits bits) {
+    this->send_pdu(helpers::create_write_coils_pdu(start_address, bits));
+  }
   inline void clear_tx_queue_for_address(bool clear_sent = true) {
     this->parent_->clear_tx_queue_for_address(this->address_, clear_sent);
   }
@@ -207,18 +380,39 @@ class ModbusClientDevice {
   bool ready_for_immediate_send() { return this->parent_->tx_buffer_empty() && !this->parent_->tx_blocked(); }
 
  protected:
+  /// Parses the request/response PDU pair and dispatches to the matching high-level typed callback
+  void dispatch_response_(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu,
+                          ResponseStatus status);
+
   ModbusClientHub *parent_{nullptr};
+  /// True while this device's on_not_sent() is on the stack (see trigger_not_sent()).
+  bool notifying_not_sent_{false};
   uint8_t address_{0};
+  bool custom_response_warned_{false};  // first unhandled custom response warns; repeats log at VERBOSE
 };
 
-// This is for compatibility with external components using the former class name
-// Remove before 2026.12.0
-using ModbusDevice ESPDEPRECATED("Use ModbusClientDevice instead. Removed in 2026.12.0",
-                                 "2026.6.0") = ModbusClientDevice;
+// Compatibility shim for external components written against the pre-2026.8 API, which subclassed
+// ModbusDevice and overrode on_modbus_data()/on_modbus_error(). The name is free (nothing in-tree
+// uses it), so instead of a plain alias it adapts the new span-based hooks back to the old
+// signatures: on_modbus_data() receives the response payload as an owning vector (the heap copy
+// exists only on this deprecated path) and on_modbus_error() the function code and exception code.
+// Remove before 2027.2.0 (window restarted when the plain alias became a behavior shim in 2026.8.0)
+class ESPDEPRECATED("Subclass ModbusClientDevice and override on_response()/on_error() instead. Removed in 2027.2.0",
+                    "2026.8.0") ModbusDevice : public ModbusClientDevice {
+ public:
+  using ModbusClientDevice::ModbusClientDevice;
+  virtual void on_modbus_data(const std::vector<uint8_t> &data) {}
+  virtual void on_modbus_error(uint8_t function_code, uint8_t exception_code) {}
+
+  void on_response(std::span<const uint8_t> request_pdu, std::span<const uint8_t> response_pdu) override {
+    auto payload = helpers::server_pdu_payload(response_pdu);
+    this->on_modbus_data(std::vector<uint8_t>(payload.begin(), payload.end()));
+  }
+  void on_error(std::span<const uint8_t> request_pdu, ExceptionCode exception_code) override {
+    this->on_modbus_error(request_pdu.empty() ? 0 : request_pdu[0], static_cast<uint8_t>(exception_code));
+  }
+};
 
-// Transaction status: std::nullopt on success, otherwise the Modbus exception code. Server handlers return it;
-// (future) client response callbacks receive it. Named without a side prefix so both directions share it.
-using ResponseStatus = std::optional<ModbusExceptionCode>;
 // Register values exchanged with server handlers, in host byte order. Sized at the larger of the two protocol
 // maxima (read = 125 / 0x7D, write = 123 / 0x7B); the per-direction count limit is enforced by the hub, not by
 // the capacity of this type.
@@ -237,7 +431,7 @@ class ModbusServerDevice {
   uint8_t get_address() const { return this->address_; }
   virtual ResponseStatus on_read_registers(uint16_t start_address, uint16_t number_of_registers,
                                            RegisterValues &registers) {
-    return ModbusExceptionCode::ILLEGAL_FUNCTION;
+    return ExceptionCode::ILLEGAL_FUNCTION;
   };
   virtual ResponseStatus on_read_input_registers(uint16_t start_address, uint16_t number_of_registers,
                                                  RegisterValues &registers) {
@@ -248,7 +442,7 @@ class ModbusServerDevice {
     return this->on_read_registers(start_address, number_of_registers, registers);
   };
   virtual ResponseStatus on_write_registers(uint16_t start_address, const RegisterValues &registers) {
-    return ModbusExceptionCode::ILLEGAL_FUNCTION;
+    return ExceptionCode::ILLEGAL_FUNCTION;
   };
 
  protected: