[core] Move the JSON string escape helper into core and share it with ble_scanner

2026-09-04 12:06:01 +00:00 · 2026-07-27 08:56:09 -10:00
2625 changed files with 26438 additions and 114193 deletions
@@ -1,16 +0,0 @@
-{
-  "hooks": {
-    "SessionStart": [
-      {
-        "hooks": [
-          {
-            "type": "command",
-            "command": "d=\"${CLAUDE_PROJECT_DIR:-.}\"; [ -x \"$d/venv/bin/python\" ] || { mkdir -p \"$d/.temp\"; env -u VIRTUAL_ENV \"$d/script/setup\" >\"$d/.temp/setup.log\" 2>&1 || echo '{\"systemMessage\":\"script/setup failed; see .temp/setup.log\"}'; }",
-            "statusMessage": "Setting up dev environment (script/setup)...",
-            "timeout": 900
-          }
-        ]
-      }
-    ]
-  }
-}
@@ -8,7 +8,7 @@ contact_links:
    url: https://github.com/esphome/esphome-webserver/issues/new/choose
    about: Report an issue with the ESPHome web server.
  - name: Report an issue with the ESPHome Builder / Dashboard
-    url: https://github.com/esphome/device-builder/issues/new/choose
+    url: https://github.com/esphome/dashboard/issues/new/choose
    about: Report an issue with the ESPHome Builder / Dashboard.
  - name: Report an issue with the ESPHome API client
    url: https://github.com/esphome/aioesphomeapi/issues/new/choose
@@ -1,50 +0,0 @@
-name: Cache clang-tidy idedata
-description: >
-  Cache the clang-tidy idedata and the headers it references under .temp
-  (headers only, about 30MB per env). Run after restore-python and cache-esp-idf.
-inputs:
-  environment:
-    description: 'clang-tidy environment (e.g. esp32-idf-tidy).'
-    required: true
-runs:
-  using: composite
-  steps:
-    - name: Compute cache key
-      id: key
-      shell: bash
-      run: |
-        . venv/bin/activate
-        [ -n "${{ inputs.environment }}" ] || { echo "::error::cache-clang-tidy-idedata: 'environment' input is empty"; exit 1; }
-        hash=$(python -c 'import sys; sys.path.insert(0, "script"); from clang_tidy_hash import idedata_cache_hash; print(idedata_cache_hash("${{ inputs.environment }}"))')
-        pyver=$(python -c 'import platform; print(platform.python_version())')
-        # Generating idedata is what installs ESP-IDF; never skip it over a missing
-        # install. This also skips the save, so a dev run that installs ESP-IDF
-        # warms the idedata cache on the next run.
-        if [ -d ~/.esphome-idf/frameworks ]; then
-          echo "skip=false" >> "$GITHUB_OUTPUT"
-        else
-          echo "ESP-IDF install missing, not using the clang-tidy idedata cache"
-          echo "skip=true" >> "$GITHUB_OUTPUT"
-        fi
-        echo "key=${{ runner.os }}-tidy-idedata-${{ inputs.environment }}-$hash-py$pyver" >> "$GITHUB_OUTPUT"
-        {
-          echo "path<<EOF"
-          printf '%s\n' '.temp/idedata-*.json' '.temp/idedata-*.hash'
-          printf '.temp/**/*.%s\n' h hpp hh hxx inc inl ipp tpp
-          echo "EOF"
-        } >> "$GITHUB_OUTPUT"
-    # Mirror cache-esp-idf: write on dev, restore-only on PRs. The post-step
-    # save only runs when the job succeeded, so a failed generation is never saved.
-    # Extend the extension list if a component ships extensionless headers.
-    - name: Cache clang-tidy idedata (write on dev)
-      if: (github.ref == 'refs/heads/dev' || contains(github.event.pull_request.labels.*.name, 'ci-cache-write')) && steps.key.outputs.skip != 'true'
-      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-      with:
-        path: ${{ steps.key.outputs.path }}
-        key: ${{ steps.key.outputs.key }}
-    - name: Cache clang-tidy idedata (restore-only off dev)
-      if: github.ref != 'refs/heads/dev' && !contains(github.event.pull_request.labels.*.name, 'ci-cache-write') && steps.key.outputs.skip != 'true'
-      uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-      with:
-        path: ${{ steps.key.outputs.path }}
-        key: ${{ steps.key.outputs.key }}
@@ -26,9 +26,6 @@ runs:
      # The native-IDF version is pinned in code, not in any file that feeds the
      # other cache keys, so resolve it explicitly. Keying on it means the cache
      # invalidates on a version bump (actions/cache never overwrites a key).
-      # Also key on the Python version: the cached IDF venv links to the
-      # runner's toolcache interpreter and is reinstalled every run after a
-      # runner image bump.
      id: version
      shell: bash
      run: |
@@ -39,32 +36,19 @@ runs:
          version=$(python -c 'from esphome.components.esp32 import ESP_IDF_FRAMEWORK_VERSION_LOOKUP as L; print(L["recommended"])')
        fi
        echo "version=$version" >> "$GITHUB_OUTPUT"
-        echo "python-version=$(python -c 'import platform; print(platform.python_version())')" >> "$GITHUB_OUTPUT"
    # Mirror the adjacent PlatformIO cache: only dev-branch runs write the
    # shared cache (so it lives in the default-branch scope readable by all
    # PRs), and PRs are restore-only -- they never push multi-GB artifacts into
-    # their own scope / the repo quota (e.g. on a version-bump PR). The
-    # ci-cache-write label lets a PR write into its own scope to test the hit path;
-    # that costs about 1GB of the repo cache quota per run, so remove it when done.
-    # -slim: bump when prune-esp-idf changes what it removes; a key is never overwritten.
+    # their own scope / the repo quota (e.g. on a version-bump PR).
    - name: Cache ESP-IDF install (write on dev)
-      if: (github.ref == 'refs/heads/dev' || contains(github.event.pull_request.labels.*.name, 'ci-cache-write')) && inputs.restore-only != 'true'
+      if: github.ref == 'refs/heads/dev' && inputs.restore-only != 'true'
      uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
      with:
        path: ~/.esphome-idf
-        key: ${{ runner.os }}-esphome-idf-${{ steps.version.outputs.version }}-py${{ steps.version.outputs.python-version }}-slim
+        key: ${{ runner.os }}-esphome-idf-${{ steps.version.outputs.version }}
    - name: Cache ESP-IDF install (restore-only off dev)
-      if: github.ref != 'refs/heads/dev' && !contains(github.event.pull_request.labels.*.name, 'ci-cache-write') || inputs.restore-only == 'true'
+      if: github.ref != 'refs/heads/dev' || inputs.restore-only == 'true'
      uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
      with:
        path: ~/.esphome-idf
-        key: ${{ runner.os }}-esphome-idf-${{ steps.version.outputs.version }}-py${{ steps.version.outputs.python-version }}-slim
-    # Install explicitly so the prune below sees the toolchains on a cache miss
-    # too, instead of the install happening inside the first build step.
-    - name: Install ESP-IDF
-      shell: bash
-      run: |
-        . venv/bin/activate
-        python -c 'from esphome.espidf.framework import check_esp_idf_install; check_esp_idf_install("${{ steps.version.outputs.version }}")'
-    - name: Prune ESP-IDF install
-      uses: ./.github/actions/prune-esp-idf
+        key: ${{ runner.os }}-esphome-idf-${{ steps.version.outputs.version }}
@@ -1,34 +0,0 @@
-name: Prune ESP-IDF install
-description: >
-  Remove the picolibc sysroots (1.1GB of the 3.9GB install) from the native
-  ESP-IDF toolchains; IDF 5.x links newlib. Skipped when an IDF 6 install is
-  present, which links picolibc (see esp32/__init__.py).
-runs:
-  using: composite
-  steps:
-    - name: Prune picolibc
-      shell: bash
-      run: |
-        shopt -s nullglob
-        prefix="${ESPHOME_ESP_IDF_PREFIX:-$HOME/.esphome-idf}"
-        prefix="${prefix/#\~/$HOME}"
-        for fw in "$prefix"/frameworks/*/; do
-          case "$(basename "$fw")" in
-            [6-9].*) echo "IDF $(basename "$fw") installed, keeping picolibc"; exit 0 ;;
-          esac
-        done
-        n=0
-        for dir in "$prefix"/tools/*-esp-elf/*/*-esp-elf/picolibc; do
-          echo "Removing $dir ($(du -sh "$dir" | cut -f1))"
-          rm -rf "$dir"
-          n=$((n + 1))
-        done
-        # The marker rides along in the cache entry so a restored slim tree stays quiet.
-        if [ "$n" -gt 0 ]; then
-          touch "$prefix/.picolibc-pruned"
-        elif [ -d "$prefix/tools" ] && [ ! -f "$prefix/.picolibc-pruned" ]; then
-          echo "::warning::no picolibc sysroots matched under $prefix/tools"
-        fi
-        if [ -d "$prefix" ]; then
-          du -sh "$prefix"
-        fi
@@ -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@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
+      uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
      with:
        enable-cache: true
        # Pull request saves land in per-PR scopes nothing else can
@@ -49,7 +49,7 @@ runs:
        python -m venv venv
        source venv/bin/activate
        python --version
-        uv pip install -r requirements.txt -r requirements_dev.txt -r requirements_test.txt
+        uv pip install -r requirements.txt -r requirements_test.txt
        uv pip install -e .
    - name: Create Python virtual environment
      if: steps.cache-venv.outputs.cache-hit != 'true' && runner.os == 'Windows'
@@ -58,5 +58,5 @@ runs:
        python -m venv venv
        source ./venv/Scripts/activate
        python --version
-        uv pip install -r requirements.txt -r requirements_dev.txt -r requirements_test.txt
+        uv pip install -r requirements.txt -r requirements_test.txt
        uv pip install -e .
@@ -13,7 +13,6 @@ module.exports = {
    'merging-to-release',
    'merging-to-beta',
    'chained-pr',
-    'stacked-pr',
    'core',
    'small-pr',
    'medium-pr',
@@ -33,54 +33,16 @@ async function fetchPrFileContent(github, context, path) {
  }
 }

-// Check whether a pull request is part of a GitHub stack.
-//
-// GitHub's stacked pull request feature adds a `stack` object to the pull
-// request resource. It is present on every pull request in the stack -
-// including the bottom one, whose base is already `dev` - and is absent
-// entirely on standalone pull requests.
-//
-// The `pull_request_target` webhook payload is not guaranteed to carry this
-// field, so fall back to asking the API when it is missing. Guessing wrong
-// here is costly: a stacked pull request mistaken for a manually chained one
-// gets a label that blocks merging.
-async function isStackedPr(github, context) {
-  const pr = context.payload.pull_request;
-  if (pr.stack != null) {
-    return true;
-  }
-
-  try {
-    const { owner, repo } = context.repo;
-    const { data } = await github.rest.pulls.get({
-      owner,
-      repo,
-      pull_number: pr.number,
-    });
-    return data.stack != null;
-  } catch (error) {
-    // Treat an API failure as "not stacked" so a chained pull request still
-    // gets its blocking label rather than silently slipping through.
-    console.log('Failed to check stack membership:', error.message);
-    return false;
-  }
-}
-
 // Strategy: Merge branch detection
-async function detectMergeBranch(github, context) {
+async function detectMergeBranch(context) {
  const labels = new Set();
  const baseRef = context.payload.pull_request.base.ref;
-  const defaultBranch = context.payload.repository.default_branch;

  if (baseRef === 'release') {
    labels.add('merging-to-release');
  } else if (baseRef === 'beta') {
    labels.add('merging-to-beta');
-  } else if (await isStackedPr(github, context)) {
-    // GitHub manages the merge order for a stack, so these are not blocked.
-    labels.add('stacked-pr');
-  } else if (baseRef !== defaultBranch) {
-    // A chain built by hand: it must not merge until its base branch does.
+  } else if (baseRef !== 'dev') {
    labels.add('chained-pr');
  }

@@ -88,7 +88,7 @@ module.exports = async ({ github, context }) => {

  // Early exit for release and beta branches only
  if (baseRef === 'release' || baseRef === 'beta') {
-    const branchLabels = await detectMergeBranch(github, context);
+    const branchLabels = await detectMergeBranch(context);
    const finalLabels = Array.from(branchLabels);

    console.log('Computed labels (merge branch only):', finalLabels.join(', '));
@@ -118,7 +118,7 @@ module.exports = async ({ github, context }) => {
    deprecatedResult,
    maintainerAccess
  ] = await Promise.all([
-    detectMergeBranch(github, context),
+    detectMergeBranch(context),
    detectComponentPlatforms(changedFiles, apiData),
    detectNewComponents(github, context, prFiles),
    detectNewPlatforms(github, context, prFiles, apiData),
@@ -1,7 +1,6 @@
 const { describe, it } = require('node:test');
 const assert = require('node:assert/strict');
 const {
-  detectMergeBranch,
  detectNewPlatforms,
  detectNewComponents,
  detectPRSize,
@@ -37,122 +36,6 @@ const API_DATA = {
 const WITH_SCHEMA = 'CONFIG_SCHEMA = cv.Schema({})';
 const WITHOUT_SCHEMA = 'CODEOWNERS = ["@esphome/core"]';

-// ---------------------------------------------------------------------------
-// detectMergeBranch
-// ---------------------------------------------------------------------------
-
-// Builds a fresh context for detectMergeBranch tests instead of mutating the
-// shared CONTEXT fixture above (which other describe blocks rely on).
-function makeMergeContext(baseRef, { stack, defaultBranch = 'dev' } = {}) {
-  const pull_request = { number: 1, base: { ref: baseRef } };
-  if (stack !== undefined) {
-    pull_request.stack = stack;
-  }
-  return {
-    repo: { owner: 'esphome', repo: 'esphome' },
-    payload: { pull_request, repository: { default_branch: defaultBranch } }
-  };
-}
-
-// A GitHub API mock exposing only rest.pulls.get, with a call counter so
-// tests can assert whether the API fallback was actually invoked.
-function makeStackGithub({ stack = null, error = null } = {}) {
-  const state = { calls: 0 };
-  const github = {
-    rest: {
-      pulls: {
-        get: async () => {
-          state.calls++;
-          if (error) throw error;
-          return { data: { stack } };
-        }
-      }
-    }
-  };
-  return { github, state };
-}
-
-const STACK_INFO = { base: { ref: 'dev' }, id: 71540, number: 17978, position: 3, size: 3 };
-
-describe('detectMergeBranch', () => {
-  it('base ref release adds merging-to-release only and never checks the stack', async () => {
-    const { github, state } = makeStackGithub({ stack: STACK_INFO });
-    const context = makeMergeContext('release', { stack: STACK_INFO });
-    const labels = await detectMergeBranch(github, context);
-    assert.deepEqual(Array.from(labels).sort(), ['merging-to-release']);
-    assert.equal(state.calls, 0);
-  });
-
-  it('base ref beta adds merging-to-beta only and never checks the stack', async () => {
-    const { github, state } = makeStackGithub({ stack: STACK_INFO });
-    const context = makeMergeContext('beta', { stack: STACK_INFO });
-    const labels = await detectMergeBranch(github, context);
-    assert.deepEqual(Array.from(labels).sort(), ['merging-to-beta']);
-    assert.equal(state.calls, 0);
-  });
-
-  it('stack present on the webhook payload adds stacked-pr without calling the API', async () => {
-    const { github, state } = makeStackGithub();
-    const context = makeMergeContext('feature-branch', { stack: STACK_INFO });
-    const labels = await detectMergeBranch(github, context);
-    assert.deepEqual(Array.from(labels).sort(), ['stacked-pr']);
-    assert.equal(state.calls, 0);
-  });
-
-  it('stack absent from payload falls back to the API and adds stacked-pr', async () => {
-    const { github, state } = makeStackGithub({ stack: STACK_INFO });
-    const context = makeMergeContext('feature-branch');
-    const labels = await detectMergeBranch(github, context);
-    assert.deepEqual(Array.from(labels).sort(), ['stacked-pr']);
-    assert.equal(state.calls, 1);
-  });
-
-  it('bottom of a stack (base ref dev, stack present) still adds stacked-pr', async () => {
-    const { github, state } = makeStackGithub();
-    const context = makeMergeContext('dev', { stack: STACK_INFO });
-    const labels = await detectMergeBranch(github, context);
-    assert.deepEqual(Array.from(labels).sort(), ['stacked-pr']);
-    assert.equal(state.calls, 0);
-  });
-
-  it('not stacked, base ref not dev adds chained-pr', async () => {
-    const { github } = makeStackGithub({ stack: null });
-    const context = makeMergeContext('feature-branch');
-    const labels = await detectMergeBranch(github, context);
-    assert.deepEqual(Array.from(labels).sort(), ['chained-pr']);
-  });
-
-  it('not stacked, base ref dev adds no labels', async () => {
-    const { github } = makeStackGithub({ stack: null });
-    const context = makeMergeContext('dev');
-    const labels = await detectMergeBranch(github, context);
-    assert.deepEqual(Array.from(labels).sort(), []);
-  });
-
-  it('a failed stack lookup falls back to not-stacked, so a feature-branch base adds chained-pr', async () => {
-    const { github, state } = makeStackGithub({ error: new Error('API unavailable') });
-    const context = makeMergeContext('feature-branch');
-    const labels = await detectMergeBranch(github, context);
-    assert.deepEqual(Array.from(labels).sort(), ['chained-pr']);
-    assert.equal(state.calls, 1);
-  });
-
-  it('base ref matches default branch adds no labels', async () => {
-    const { github } = makeStackGithub({ stack: null });
-    const context = makeMergeContext('other', { defaultBranch: 'other' });
-    const labels = await detectMergeBranch(github, context);
-    assert.deepEqual(Array.from(labels).sort(), []);
-  });
-
-  it('base ref dev when the default branch is main adds chained-pr', async () => {
-    const { github } = makeStackGithub({ stack: null });
-    const context = makeMergeContext('dev', { defaultBranch: 'main' });
-    const labels = await detectMergeBranch(github, context);
-    assert.deepEqual(Array.from(labels).sort(), ['chained-pr']);
-  });
-
-});
-
 // ---------------------------------------------------------------------------
 // detectNewPlatforms
 // ---------------------------------------------------------------------------
@@ -35,7 +35,7 @@ jobs:
          # Scope the minted App token to the minimum needed by auto-label-pr/*.js.
          permission-contents: read       # repos.getContent for CODEOWNERS and file lookups in detectors.js
          permission-issues: write        # listLabelsOnIssue, addLabels, removeLabel, list/createComment
-          permission-pull-requests: write  # pulls.get, pulls.listFiles, list/create/update/dismissReview
+          permission-pull-requests: write  # pulls.listFiles, list/create/update/dismissReview

      - name: Auto Label PR
        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
@@ -29,7 +29,7 @@ jobs:
      - 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@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
        with:
          enable-cache: true
          # Pull-request-only workflow: a save could never be shared and
@@ -41,32 +41,10 @@ jobs:
          version: "0.11.15"

      - name: Install apt dependencies
-        # PR-only workflow, so nothing on dev could seed a shared apt cache
-        # entry; the cached apt action would save one copy per PR. Plain apt
-        # with every call bounded: the apt.conf.d timeouts make a dead
-        # mirror fail over in seconds, and timeout runs under sudo so it can
-        # kill apt-get itself. Install without update first: image lists are
-        # fresh, and the index refresh is what a congested mirror makes slow.
-        timeout-minutes: 15
        run: |
-          sudo tee /etc/apt/apt.conf.d/99ci-acquire-timeouts >/dev/null <<'EOF'
-          Acquire::Retries "1";
-          Acquire::http::Timeout "15";
-          Acquire::https::Timeout "15";
-          EOF
-          # Common path: the image's package lists are fresh enough.
-          if sudo DEBIAN_FRONTEND=noninteractive timeout -k 15 90 \
-              apt-get install -y protobuf-compiler; then
-            protoc --version
-            exit 0
-          fi
-          # Rescue path: refresh the lists once with a generous bound; the
-          # apt config already fails a stalled mirror over quickly.
-          sudo DEBIAN_FRONTEND=noninteractive timeout -k 10 30 \
-            dpkg --configure -a || true
-          sudo timeout -k 15 300 apt-get update
-          sudo DEBIAN_FRONTEND=noninteractive timeout -k 15 300 \
-            apt-get install -y protobuf-compiler
+          sudo apt update
+          sudo apt-cache show protobuf-compiler
+          sudo apt install -y protobuf-compiler
          protoc --version
      - name: Install python dependencies
        run: uv pip install --system aioesphomeapi -c requirements.txt -r requirements_dev.txt
@@ -67,17 +67,15 @@ jobs:
        with:
          python-version: "3.12"
      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e # v4.3.0
+        uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0

      - name: Determine tag and whether to push
        id: tag
-        env:
-          HEAD_REF: ${{ github.head_ref || github.ref_name }}
        run: |
          # Sanitize the branch name into a valid docker tag: replace invalid
          # characters, ensure the first character is valid (tags must start
          # with [A-Za-z0-9_]), and cap the length at 128 characters.
-          branch="$HEAD_REF"
+          branch="${{ github.head_ref || github.ref_name }}"
          tag="${branch//[^a-zA-Z0-9_.-]/-}"
          case "$tag" in
            [a-zA-Z0-9_]*) ;;
@@ -98,7 +96,7 @@ jobs:

      - name: Log in to the GitHub container registry
        if: steps.tag.outputs.push == 'true'
-        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
+        uses: docker/login-action@abd2ef45e78c5afb21d64d4ca52ee8550d9572c7 # v4.5.1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
@@ -119,22 +117,16 @@ jobs:
      # pushed image) keeps it working for fork PRs, which never push to ghcr.io.
      - name: Export image for compile-test
        if: matrix.os == 'ubuntu-24.04' && matrix.build_type == 'docker'
-        # zstd over gzip: docker save is on the critical path for every
-        # compile-test job, and zstd -T0 is multithreaded (export 50s -> 9s).
-        # docker load auto-detects the format; its time is layer extraction,
-        # not decompression, so it is unchanged. shell: bash adds pipefail so
-        # a failed docker save cannot upload a truncated artifact.
-        shell: bash
-        run: docker save "ghcr.io/esphome/esphome-amd64:${{ steps.tag.outputs.tag }}" | zstd -T0 -3 > compile-test-image.tar.zst
+        run: docker save "ghcr.io/esphome/esphome-amd64:${{ steps.tag.outputs.tag }}" | gzip > compile-test-image.tar.gz

      - name: Upload compile-test image artifact
        if: matrix.os == 'ubuntu-24.04' && matrix.build_type == 'docker'
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
-          # The tar is already compressed, so upload it as-is. archive: false
-          # skips the redundant zip and makes the file name the artifact name
-          # (the `name` input is ignored in that mode).
-          path: compile-test-image.tar.zst
+          # The tar is already gzipped, so upload it as-is. archive: false skips
+          # the redundant zip and makes the file name the artifact name (the
+          # `name` input is ignored in that mode).
+          path: compile-test-image.tar.gz
          retention-days: 1
          archive: false

@@ -159,10 +151,10 @@ jobs:
        with:
          python-version: "3.12"
      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e # v4.3.0
+        uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0

      - name: Log in to the GitHub container registry
-        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
+        uses: docker/login-action@abd2ef45e78c5afb21d64d4ca52ee8550d9572c7 # v4.5.1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
@@ -188,6 +180,8 @@ jobs:
      contents: read  # actions/checkout to load the test configs
    strategy:
      fail-fast: false
+      # Cap concurrency so this smoke test doesn't hog all the shared runners.
+      max-parallel: 2
      matrix:
        # One entry per distinct toolchain. ESP32 variants (c3/c6/s2/s3/p4)
        # share a toolchain bundle, so esp32 is exercised on the base variant
@@ -212,9 +206,9 @@ jobs:
      - name: Download image artifact
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
-          name: compile-test-image.tar.zst
+          name: compile-test-image.tar.gz
      - name: Load image
-        run: docker load --input compile-test-image.tar.zst
+        run: docker load --input compile-test-image.tar.gz
      - name: Compile ${{ matrix.id }}
        run: |
          docker run --rm \
@@ -56,7 +56,7 @@ jobs:

      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
-        uses: github/codeql-action/init@cdf488f595d80d6e07e03d4674febd5ab45fa938 # v4.37.9
+        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@cdf488f595d80d6e07e03d4674febd5ab45fa938 # v4.37.9
+        uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4.37.3
        with:
          category: "/language:${{matrix.language}}"
@@ -14,4 +14,4 @@ jobs:
    permissions:
      issues: write         # issues.lock on closed issues
      pull-requests: write  # issues.lock on closed pull requests
-    uses: esphome/workflows/.github/workflows/lock.yml@0fdd5e311b7e744069166696072a1a9cbc5fbeb6  # 2026.8.1
+    uses: esphome/workflows/.github/workflows/lock.yml@9f6577fd37b5cf773ab1b9be929714a0dcd15661  # 2026.7.0
@@ -1,38 +0,0 @@
---
-name: Nightly Dev Release
-
-# Works out the dated dev tag and starts the release workflow with it, so that
-# the release run is named after the tag it builds. A workflow run name is
-# fixed when the run starts and cannot read a file or the current date.
-
-on:
-  schedule:
-    - cron: "0 2 * * *"
-
-permissions:
-  contents: read  # actions/checkout to read the version from esphome/const.py
-
-jobs:
-  trigger:
-    name: Start release build
-    if: github.repository == 'esphome/esphome'
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read  # actions/checkout to read the version from esphome/const.py
-      actions: write  # gh workflow run starts release.yml
-    steps:
-      - name: Check out the repository
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-
-      - name: Start the release workflow
-        env:
-          GH_TOKEN: ${{ github.token }}
-        run: |
-          VERSION=$(sed -n -E "s/^__version__\s+=\s+\"(.+)\"$/\1/p" esphome/const.py)
-          if [[ -z "$VERSION" ]]; then
-            echo "::error::Could not read __version__ from esphome/const.py"
-            exit 1
-          fi
-          TAG="${VERSION}$(date --utc '+%Y%m%d')"
-          echo "Starting release build for ${TAG}"
-          gh workflow run release.yml --ref "${GITHUB_REF_NAME}" --field tag="${TAG}"
@@ -1,23 +1,12 @@
 ---
 name: Publish Release

-# Releases (production and beta) are named after the version they publish.
-# Dev builds are named after the dated dev tag, which is passed in by the
-# nightly workflow because a run name cannot compute it itself.
-run-name: ${{ github.event.inputs.tag || github.event.release.tag_name || format('Manual build ({0})', github.ref_name) }}
-
 on:
  workflow_dispatch:
-    inputs:
-      tag:
-        description: >-
-          Tag to build. Only supported on dev, where the nightly workflow
-          uses it. Leave empty to build the version from esphome/const.py
-          with today's date appended.
-        required: false
-        default: ""
  release:
    types: [published]
+  schedule:
+    - cron: "0 2 * * *"

 permissions:
  contents: read  # actions/checkout for all jobs; deploy jobs add their own scopes when they need to write
@@ -34,8 +23,6 @@ jobs:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      - name: Get tag
        id: tag
-        env:
-          INPUT_TAG: ${{ github.event.inputs.tag }}
        # yamllint disable rule:line-length
        run: |
          if [[ "${{ github.event_name }}" = "release" ]]; then
@@ -47,23 +34,12 @@ jobs:
              ENVIRONMENT="production"
            fi
          else
+            TAG=$(cat esphome/const.py | sed -n -E "s/^__version__\s+=\s+\"(.+)\"$/\1/p")
+            today="$(date --utc '+%Y%m%d')"
+            TAG="${TAG}${today}"
            BRANCH=${GITHUB_REF#refs/heads/}
-            # The nightly workflow passes the finished tag so that the run name
-            # matches what is built. Without it, work it out here.
-            TAG="${INPUT_TAG}"
-            if [[ -n "$TAG" && "$BRANCH" != "dev" ]]; then
-              echo "::error::The tag input is only supported on dev. A build from ${BRANCH} has to use the tag worked out here, which carries the branch name, so that it cannot publish over the dev, beta, latest or stable images."
-              exit 1
-            fi
-            if [[ -z "$TAG" ]]; then
-              TAG=$(cat esphome/const.py | sed -n -E "s/^__version__\s+=\s+\"(.+)\"$/\1/p")
-              today="$(date --utc '+%Y%m%d')"
-              TAG="${TAG}${today}"
-              if [[ "$BRANCH" != "dev" ]]; then
-                TAG="${TAG}-${BRANCH}"
-              fi
-            fi
            if [[ "$BRANCH" != "dev" ]]; then
+              TAG="${TAG}-${BRANCH}"
              BRANCH_BUILD="true"
              ENVIRONMENT=""
            else
@@ -94,7 +70,7 @@ jobs:
          pip3 install build
          python3 -m build
      - name: Publish
-        uses: pypa/gh-action-pypi-publish@dc37677b2e1c63e2034f94d8a5b11f265b73ba33 # v1.14.2
+        uses: pypa/gh-action-pypi-publish@ba38be9e461d3875417946c167d0b5f3d385a247 # v1.14.1
        with:
          skip-existing: true

@@ -123,15 +99,15 @@ jobs:
          python-version: "3.12"

      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e # v4.3.0
+        uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0

      - name: Log in to docker hub
-        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
+        uses: docker/login-action@abd2ef45e78c5afb21d64d4ca52ee8550d9572c7 # v4.5.1
        with:
          username: ${{ secrets.DOCKER_USER }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      - name: Log in to the GitHub container registry
-        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
+        uses: docker/login-action@abd2ef45e78c5afb21d64d4ca52ee8550d9572c7 # v4.5.1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
@@ -202,17 +178,17 @@ jobs:
          merge-multiple: true

      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e # v4.3.0
+        uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0

      - name: Log in to docker hub
        if: matrix.registry == 'dockerhub'
-        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
+        uses: docker/login-action@abd2ef45e78c5afb21d64d4ca52ee8550d9572c7 # v4.5.1
        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@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
+        uses: docker/login-action@abd2ef45e78c5afb21d64d4ca52ee8550d9572c7 # v4.5.1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
@@ -6,46 +6,61 @@ on:
    - cron: "30 0 * * *"
  workflow_dispatch:

-# The reusable workflow authenticates as the ESPHome GitHub App, so GITHUB_TOKEN
-# needs no permissions at all.
-permissions: {}
+permissions:
+  issues: write         # actions/stale labels, comments on, and closes stale issues
+  pull-requests: write  # actions/stale labels, comments on, and closes stale pull requests
+
+concurrency:
+  group: lock

 jobs:
  stale:
    if: github.repository_owner == 'esphome'
-    # No GITHUB_TOKEN permissions: the reusable workflow mints an ESPHome
-    # GitHub App token so the labels, comments and closures come from
-    # esphome[bot] instead of github-actions[bot].
-    uses: esphome/workflows/.github/workflows/stale.yml@a1c1485ab46ef41a84a6a9d8abd7fa4b7628fd70  # main
-    secrets:
-      ESPHOME_GITHUB_APP_PRIVATE_KEY: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}
-    with:
-      # Live only on dev: a workflow_dispatch from any other branch is a dry run
-      dry-run: ${{ github.ref != 'refs/heads/dev' }}
-      days-before-stale: 90
-      days-before-close: 7
-      stale-label: stale
-      exempt-label: not-stale
-      ignored-users: esphbot,codecov-commenter
-      stale-pr-message: >
-        There hasn't been any activity on this pull request recently. This
-        pull request has been automatically marked as stale because of that
-        and will be closed if no further activity occurs within 7 days.
+    runs-on: ubuntu-latest
+    steps:
+      - name: Stale
+        uses: actions/stale@1e223db275d687790206a7acac4d1a11bd6fe629 # v10.4.0
+        with:
+          debug-only: ${{ github.ref != 'refs/heads/dev' }} # Dry-run when not run on dev branch
+          remove-stale-when-updated: true
+          operations-per-run: 400

-        If you are the author of this PR, please leave a comment if you want
-        to keep it open. Also, please rebase your PR onto the latest dev
-        branch to ensure that it's up to date with the latest changes.
+          # The 90 day stale policy for PRs
+          # - PRs
+          # - No PRs marked as "not-stale"
+          # - No Issues (see below)
+          days-before-pr-stale: 90
+          days-before-pr-close: 7
+          stale-pr-label: "stale"
+          exempt-pr-labels: "not-stale"
+          stale-pr-message: >
+            There hasn't been any activity on this pull request recently. This
+            pull request has been automatically marked as stale because of that
+            and will be closed if no further activity occurs within 7 days.

-        Thank you for your contribution!
-      stale-issue-message: >
-        There hasn't been any activity on this issue recently. Due to the
-        high number of incoming GitHub notifications, we have to clean some
-        of the old issues, as many of them have already been resolved with
-        the latest updates.
+            If you are the author of this PR, please leave a comment if you want
+            to keep it open. Also, please rebase your PR onto the latest dev
+            branch to ensure that it's up to date with the latest changes.

-        Please make sure to update to the latest ESPHome version and
-        check if that solves the issue. Let us know if that works for you by
-        adding a comment 👍
+            Thank you for your contribution!

-        This issue has now been marked as stale and will be closed if no
-        further activity occurs. Thank you for your contributions.
+          # The 90 day stale policy for Issues
+          # - Issues
+          # - No Issues marked as "not-stale"
+          # - No PRs (see above)
+          days-before-issue-stale: 90
+          days-before-issue-close: 7
+          stale-issue-label: "stale"
+          exempt-issue-labels: "not-stale"
+          stale-issue-message: >
+            There hasn't been any activity on this issue recently. Due to the
+            high number of incoming GitHub notifications, we have to clean some
+            of the old issues, as many of them have already been resolved with
+            the latest updates.
+
+            Please make sure to update to the latest ESPHome version and
+            check if that solves the issue. Let us know if that works for you by
+            adding a comment 👍
+
+            This issue has now been marked as stale and will be closed if no
+            further activity occurs. Thank you for your contributions.
@@ -44,10 +44,10 @@ jobs:
      - name: Set up uv
        # An order of magnitude faster than pip on cold boots, with its
        # own wheel cache. ``--system`` (below) installs into the
-        # setup-python interpreter so subsequent ``prek`` /
+        # 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@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
+        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
@@ -58,19 +58,19 @@ jobs:
      - name: Install Home Assistant
        run: |
          uv pip install --system -e lib/home-assistant
-          uv pip install --system -r requirements.txt -r requirements_test.txt
+          uv pip install --system -r requirements.txt -r requirements_test.txt pre-commit

      - name: Sync
        run: |
          python ./script/sync-device_class.py

-      - name: Apply prek auto-fixes
+      - name: Apply pre-commit auto-fixes
        # First pass: let formatters (ruff, end-of-file-fixer, etc.) modify
-        # files. prek exits non-zero whenever a hook touches anything,
+        # files. pre-commit exits non-zero whenever a hook touches anything,
        # which would otherwise abort the workflow before the auto-fixes
        # can flow into the sync PR.
        #
-        # PREK_SKIP:
+        # SKIP:
        #   - no-commit-to-branch is a local guard against committing on
        #     dev/release/beta; CI runs on dev by definition, and
        #     peter-evans/create-pull-request creates the branch itself.
@@ -79,25 +79,25 @@ jobs:
        #     the runtime deps (HA + requirements*.txt); main CI already
        #     gates pylint on real PRs.
        env:
-          PREK_SKIP: pylint,no-commit-to-branch
-        run: python script/run-in-env.py prek run --all-files || true
+          SKIP: pylint,no-commit-to-branch
+        run: python script/run-in-env.py pre-commit run --all-files || true

-      - name: Verify prek clean
+      - name: Verify pre-commit clean
        # Second pass: re-run all hooks against the now-fixed tree.
        # Auto-fixers exit 0 (nothing to change); any remaining failure
        # from a check-only hook (flake8 / yamllint / ci-custom) is a
-        # real issue and fails the workflow loudly. Same PREK_SKIP list as
+        # real issue and fails the workflow loudly. Same SKIP list as
        # above for the same reasons.
        env:
-          PREK_SKIP: pylint,no-commit-to-branch
-        run: python script/run-in-env.py prek run --all-files
+          SKIP: pylint,no-commit-to-branch
+        run: python script/run-in-env.py pre-commit run --all-files

      - name: Commit changes
        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
        with:
          commit-message: "Synchronise Device Classes from Home Assistant"
-          committer: esphome[bot] <115708604+esphome[bot]@users.noreply.github.com>
-          author: esphome[bot] <115708604+esphome[bot]@users.noreply.github.com>
+          committer: esphomebot <esphome@openhomefoundation.org>
+          author: esphomebot <esphome@openhomefoundation.org>
          branch: sync/device-classes
          delete-branch: true
          title: "Synchronise Device Classes from Home Assistant"
@@ -1,98 +0,0 @@
---
-name: Refresh integration test durations
-
-on:
-  workflow_dispatch:
-  schedule:
-    - cron: "45 5 * * 1"
-
-# Repo writes (branch push, PR open) happen via the App token minted below,
-# so the workflow's GITHUB_TOKEN does not need any write scopes.
-permissions:
-  contents: read
-  actions: read  # gh api / gh run download for the CI junit artifacts
-
-jobs:
-  sync:
-    name: Refresh integration test durations
-    runs-on: ubuntu-latest
-    if: github.repository == 'esphome/esphome'
-    steps:
-      - name: Generate a token
-        id: generate-token
-        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
-        with:
-          client-id: ${{ vars.ESPHOME_GITHUB_APP_CLIENT_ID }}
-          private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}
-          permission-contents: write       # push the sync branch
-          permission-pull-requests: write  # open or refresh the sync PR
-
-      - name: Checkout
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-
-      - name: Setup Python
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
-        with:
-          python-version: "3.13"
-
-      - name: Refresh from the newest usable dev run
-        env:
-          GH_TOKEN: ${{ github.token }}
-        run: |
-          # Only full matrix dev runs upload junit-integration-* artifacts
-          # (see the integration-tests job); the merge script re-checks
-          # coverage regardless.
-          # Newest-first candidates via their bucket-0 artifact. Fork PRs run
-          # their own ci.yml, so name and branch are spoofable; require
-          # same-repo. Assignment failures trip set -e and fail loudly.
-          candidates=$(
-            gh api "repos/${GITHUB_REPOSITORY}/actions/artifacts?name=junit-integration-0&per_page=100" \
-              --jq '.artifacts[] | select(.expired | not) | .workflow_run
-                    | select(.head_branch == "dev" and .head_repository_id != null
-                             and .head_repository_id == .repository_id)
-                    | .id'
-          )
-          # Green runs first, then the rest newest first; a run missing a
-          # bucket fails the coverage check and the next one is tried
-          green=""
-          rest=""
-          for id in ${candidates}; do
-            conclusion=$(gh api "repos/${GITHUB_REPOSITORY}/actions/runs/${id}" --jq '.conclusion // ""')
-            if [ "${conclusion}" = "success" ]; then
-              green="${green} ${id}"
-            elif [ -n "${conclusion}" ]; then
-              rest="${rest} ${id}"
-            fi
-          done
-          # helpers.py imports colorama; the script needs nothing else
-          pip install colorama
-          for id in ${green} ${rest}; do
-            rm -rf /tmp/junit
-            if ! gh run download "${id}" --repo "${GITHUB_REPOSITORY}" -p "junit-integration-*" -D /tmp/junit; then
-              echo "::warning::Could not download artifacts for run ${id}; trying the next"
-              continue
-            fi
-            status=0
-            python script/update_integration_test_durations.py /tmp/junit || status=$?
-            if [ "${status}" -eq 0 ]; then
-              echo "Refreshed from run ${id}"
-              exit 0
-            fi
-            # Only EXIT_LOW_COVERAGE (3) from the script advances to the next run
-            [ "${status}" -eq 3 ] || exit 1
-            echo "::warning::Run ${id} covers too few test files; trying the next"
-          done
-          echo "::error::No dev CI run with usable junit artifacts in range; the feed is starved"
-          exit 1
-
-      - name: Commit changes
-        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
-        with:
-          commit-message: "[ci] Refresh integration test durations"
-          committer: esphome[bot] <115708604+esphome[bot]@users.noreply.github.com>
-          author: esphome[bot] <115708604+esphome[bot]@users.noreply.github.com>
-          branch: sync/integration-durations
-          delete-branch: true
-          title: "[ci] Refresh integration test durations"
-          body-path: .github/PULL_REQUEST_TEMPLATE.md
-          token: ${{ steps.generate-token.outputs.token }}
@@ -133,12 +133,8 @@ CTestTestfile.cmake
 .gcc-flags.json

 config/
-# Test fixture config/ directories are tracked (the rule above is the dashboard dir)
-!tests/component_tests/**/config/
 tests/build/
 tests/.esphome/
-# Output kept by failing tests for inspection; uploaded by CI
-test_artifacts/
 /.temp-clang-tidy.cpp
 /.temp/
 .pio/
@@ -11,7 +11,7 @@ ci:
 repos:
  - repo: https://github.com/astral-sh/ruff-pre-commit
    # Ruff version.
-    rev: v0.16.3
+    rev: v0.16.0
    hooks:
      # Run the linter.
      - id: ruff
@@ -44,16 +44,6 @@ This document provides essential context for AI models interacting with this pro

 ## 4. Coding Conventions & Style Guide

-**Read the developer documentation before writing a component.** https://developers.esphome.io covers the
-component lifecycle, the main loop, and the reasoning behind the rules below in far more depth than this
-file does, and it is the authority when they disagree. The most useful starting points:
-
-*   https://developers.esphome.io/architecture/components/ - component lifecycle, `setup()`, `loop()`,
-    setup priorities, and how a component is registered.
-*   https://developers.esphome.io/architecture/components/advanced/ - choosing between `loop()`,
-    `set_interval`, `set_timeout` and `defer`; waking the loop from another thread; the RAM cost of each.
-*   https://developers.esphome.io/contributing/code/ - contribution rules, public API and breaking changes.
-
 *   **Formatting:**
    *   **Python:** Uses `ruff` and `flake8` for linting and formatting. Configuration is in `pyproject.toml`.
    *   **C++:** Uses `clang-format` for formatting. Configuration is in `.clang-format`.
@@ -67,12 +57,6 @@ file does, and it is the authority when they disagree. The most useful starting
        - Function-local constants: `lower_snake_case`
        - Protected/private fields: `lower_snake_case_with_trailing_underscore_`
        - Favor descriptive names over abbreviations
-        - Enumerator names: prefix every value of an `enum class` with the enum name converted to
-          `UPPER_SNAKE_CASE` (e.g. `UARTFlushResult::UART_FLUSH_RESULT_SUCCESS`). Never use bare
-          names like `SUCCESS`, `FAILURE`, `OK`, or `FAIL`: platform SDK headers define macros with
-          these common names (for example the Realtek SDKs used by LibreTiny define
-          `#define SUCCESS 0` in `basic_types.h`), and the preprocessor replaces the enumerator
-          before the compiler sees it, breaking the build and clang-tidy on those platforms.

 *   **Python Idioms:**
    *   **Assignment expressions (PEP 572):** Prefer the walrus operator (`:=`) wherever it removes a redundant lookup or a throwaway temporary. The most common case in component code is presence-checking a config key and then indexing it separately — fetch once with `.get()` and bind in the condition instead:
@@ -152,47 +136,6 @@ file does, and it is the authority when they disagree. The most useful starting
    *   **Indentation:** Use spaces (two per indentation level), not tabs
    *   **Type aliases:** Prefer `using type_t = int;` over `typedef int type_t;`
    *   **Line length:** Wrap lines at no more than 120 characters
-    *   **Timing in `loop()`:** Never call `millis()` in a `loop()` body. The current tick's timestamp is
-        already cached - use `App.get_loop_component_start_time()` (from `esphome/core/application.h`).
-        Only reach for `millis()` when you genuinely need sub-tick resolution inside a long operation.
-    *   **The main loop runs every 16 ms.** A rate-limit gate shorter than that does nothing: the check
-        passes on essentially every pass of the loop, so it costs a comparison and buys nothing. Pick an
-        interval comfortably coarser than 16 ms, or drop the gate entirely and accept running every loop.
-        ```cpp
-        // Bad - a 10ms gate against a 16ms loop never holds anything back
-        static constexpr uint32_t POLL_INTERVAL_MS = 10;
-        const uint32_t now = millis();
-        if (now - this->last_poll_ < POLL_INTERVAL_MS)
-          return;
-        this->last_poll_ = now;
-        ```
-        ```cpp
-        // Good - an interval that actually rate limits, off the cached timestamp
-        static constexpr uint32_t POLL_INTERVAL_MS = 100;
-        const uint32_t now = App.get_loop_component_start_time();
-        if (now - this->last_poll_ < POLL_INTERVAL_MS)
-          return;
-        this->last_poll_ = now;
-        ```
-        Pick the primitive by cadence: under 250 ms use a gated `loop()`; 500 ms and above use
-        `set_interval`. Full reasoning, including why `set_interval` costs more below 500 ms:
-        https://developers.esphome.io/architecture/components/advanced/#quick-rule-of-thumb
-    *   **Don't override a default with the same value:** if a base class method already returns what you
-        want, do not override it. `Component::get_setup_priority()` returns `setup_priority::DATA`, so a
-        component that wants `DATA` should simply leave it alone.
-        ```cpp
-        // Bad - this is exactly what the base class already does
-        float get_setup_priority() const override { return setup_priority::DATA; }
-        ```
-    *   **Logging string literals:** wrap literals passed as `%s` arguments in `LOG_STR_LITERAL()` so they
-        can be stored in flash rather than RAM.
-        ```cpp
-        // Bad
-        ESP_LOGV(TAG, "Key %u %s", key, pressed ? "pressed" : "released");
-
-        // Good
-        ESP_LOGV(TAG, "Key %u %s", key, pressed ? LOG_STR_LITERAL("pressed") : LOG_STR_LITERAL("released"));
-        ```
    *   **Constructor parameters vs setters:** Component properties that are both **required** and **invariant**
        (never change after construction) should be constructor parameters rather than set via setter methods.
        This makes the dependency explicit and prevents use of the object in an incompletely-initialized state.
@@ -445,10 +388,7 @@ file does, and it is the authority when they disagree. The most useful starting
        ```
        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`.
@@ -461,7 +401,6 @@ file does, and it is the authority when they disagree. The most useful starting
         .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

@@ -469,7 +408,7 @@ file does, and it is the authority when they disagree. The most useful starting
 *   **Configuration:**
    *   `pyproject.toml`: Defines the Python project metadata and dependencies.
    *   `platformio.ini`: Configures the PlatformIO build environments for different microcontrollers.
-    *   `.pre-commit-config.yaml`: Configures the lint and format hooks, run by `prek`.
+    *   `.pre-commit-config.yaml`: Configures the pre-commit hooks for linting and formatting.
 *   **CI/CD Pipeline:** Defined in `.github/workflows`.
 *   **Static Analysis & Development:**
    *   `esphome/core/defines.h`: A comprehensive header file containing all `#define` directives that can be added by components using `cg.add_define()` in Python. This file is used exclusively for development, static analysis tools, and CI testing - it is not used during runtime compilation. When developing components that add new defines, they must be added to this file to ensure proper IDE support and static analysis coverage. The file includes feature flags, build configurations, and platform-specific defines that help static analyzers understand the complete codebase without needing to compile for specific platforms.
@@ -477,7 +416,7 @@ file does, and it is the authority when they disagree. The most useful starting
 ## 6. Development & Testing Workflow

 *   **Local Development Environment:** Use the provided Docker container or create a Python virtual environment and install dependencies from `requirements_dev.txt`.
-*   **Running Commands:** Use the `script/run-in-env.py` script to execute commands within the project's virtual environment. For example, to run the linter: `python3 script/run-in-env.py prek run`.
+*   **Running Commands:** Use the `script/run-in-env.py` script to execute commands within the project's virtual environment. For example, to run the linter: `python3 script/run-in-env.py pre-commit run`.
 *   **Testing:**
    *   **Python:** Run unit tests with `pytest`.
    *   **C++:** Use `clang-tidy` for static analysis.
@@ -550,9 +489,9 @@ file does, and it is the authority when they disagree. The most useful starting
    1.  **Fork & Branch:** Create a new branch based on the `dev` branch (always use `git checkout -b <branch-name> dev` to ensure you're branching from `dev`, not the currently checked out branch).
    2.  **Make Changes:** Adhere to all coding conventions and patterns.
    3.  **Test:** Create component tests for all supported platforms and run the full test suite locally.
-    4.  **Lint:** Run `prek` to ensure code is compliant.
+    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 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.
+    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.

 *   **Documentation Contributions:**
    *   Documentation is hosted in the separate `esphome/esphome.io` repository.
@@ -613,33 +552,6 @@ file does, and it is the authority when they disagree. The most useful starting
           Use `cg.add_define("MAX_SERVICES", count)` to set the size from Python configuration.
           Like `std::array` but with vector-like API (`push_back()`, `size()`) and no STL reallocation code.

-           **Listener and child-entity registration lists are the most common case, and the most commonly
-           missed.** A `register_*()` method called once per child at code generation time has a count that
-           is known at compile time, so it should never be a `std::vector`. Use `cg.slot_counter()`: it
-           returns a function that each consumer calls once per slot it will occupy, and after every
-           `to_code` has run it emits the define with the final count. When nothing registers, no define is
-           emitted and the storage plus its registration method compile out entirely.
-           ```python
-           # hub component's __init__.py
-           _request_listener_slot = cg.slot_counter("MY_COMPONENT_LISTENER_COUNT")
-
-
-           async def register_listener(hub: MockObj, var: MockObj) -> None:
-               _request_listener_slot()
-               cg.add(hub.register_listener(var))
-           ```
-           ```cpp
-           #ifdef MY_COMPONENT_LISTENER_COUNT
-             void register_listener(MyComponentListener *listener);
-           #endif
-            protected:
-           #ifdef MY_COMPONENT_LISTENER_COUNT
-             StaticVector<MyComponentListener *, MY_COMPONENT_LISTENER_COUNT> listeners_;
-           #endif
-           ```
-           Request slots from `to_code`, not from a job that runs after `CoroPriority.FINAL` - a late
-           request raises rather than silently undercounting.
-
        3. **Runtime-known sizes:** Use `FixedVector` from `esphome/core/helpers.h` when the size is only known at runtime initialization.
           ```cpp
           // Bad - generates STL realloc code (_M_realloc_insert)
@@ -677,25 +589,9 @@ file does, and it is the authority when they disagree. The most useful starting
           ```
           Linear search on small datasets (1-16 elements) is often faster than hashing/tree overhead, but this depends on lookup frequency and access patterns. For frequent lookups in hot code paths, the O(1) vs O(n) complexity difference may still matter even for small datasets. `std::vector` with simple structs is usually fine—it's the heavy containers (`map`, `set`, `unordered_map`) that should be avoided for small datasets unless profiling shows otherwise.

-        5. **Strings set once from configuration:** Use `StringRef` (`esphome/core/string_ref.h`) rather than
-           `std::string`. Code generation passes a string literal that lives in flash for the life of the
-           program, so storing a `std::string` copies it onto the heap for nothing. `StringRef` is a
-           non-owning pointer plus length; it does not copy, and it must only ever refer to storage that
-           outlives it (a string literal, or a buffer owned elsewhere).
-           ```cpp
-           // Bad - heap copy of a literal that is already in flash
-           void set_keys(std::string keys) { this->keys_ = std::move(keys); }
-           std::string keys_;
-           ```
-           ```cpp
-           // Good - no allocation
-           void set_keys(const char *keys) { this->keys_ = StringRef(keys); }
-           StringRef keys_;
-           ```
+        5. **Avoid `std::deque`:** It allocates in 512-byte blocks regardless of element size, guaranteeing at least 512 bytes of RAM usage immediately. This is a major source of crashes on memory-constrained devices.

-        6. **Avoid `std::deque`:** It allocates in 512-byte blocks regardless of element size, guaranteeing at least 512 bytes of RAM usage immediately. This is a major source of crashes on memory-constrained devices.
-
-        7. **Detection:** Look for these patterns in compiler output:
+        6. **Detection:** Look for these patterns in compiler output:
           - Large code sections with STL symbols (vector, map, set)
           - `alloc`, `realloc`, `dealloc` in symbol names
           - `_M_realloc_insert`, `_M_default_append` (vector reallocation)
@@ -833,16 +729,6 @@ file does, and it is the authority when they disagree. The most useful starting
    ```

 *   **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:
@@ -857,13 +743,3 @@ The project uses English for non-code content. When drafting documentation, code
 PR descriptions, and similar text, avoid technical jargon. Instead, express concepts in plain English,
 using standard technical terms only when required. Ensure the text is readily comprehensible to a wide
 audience, including non-native English speakers.
-
-## 10. Code Comments
-
-Code comments on individual lines should be used only where necessary to flag issues that may not be obvious
-on a simple reading of the code. Keep them short (e.g. 1 or 2 lines).
-
-Function and method comment blocks may include more detail as required to make
-calling contracts clear and document parameter usage, but should still be kept concise.
-
-Avoid redundancy and repetition; comments should never simply restate what the code already says.
@@ -70,7 +70,6 @@ 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-
@@ -78,7 +77,6 @@ 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_connection/* @bdraco @jesserockz
 esphome/components/bluetooth_proxy/* @bdraco @jesserockz
 esphome/components/bm8563/* @abmantis
 esphome/components/bme280_base/* @esphome/core
@@ -131,7 +129,6 @@ esphome/components/cst816/* @clydebarrow
 esphome/components/cst9220/* @clydebarrow
 esphome/components/ct_clamp/* @jesserockz
 esphome/components/current_based/* @djwmarcx
-esphome/components/d01/* @ch604
 esphome/components/dac7678/* @NickB1
 esphome/components/daikin_arc/* @MagicBear
 esphome/components/daikin_brc/* @hagak
@@ -149,7 +146,6 @@ esphome/components/display_menu_base/* @numo68
 esphome/components/dlms_meter/* @latonita @PolarGoose @SimonFischer04 @Tomer27cz
 esphome/components/dps310/* @kbx81
 esphome/components/ds1307/* @badbadc0ffee
-esphome/components/ds1603l/* @JakeLC15
 esphome/components/ds2484/* @mrk-its
 esphome/components/ds248x/* @tomwellnitz
 esphome/components/dsmr/* @glmnet @PolarGoose
@@ -240,7 +236,6 @@ esphome/components/hlw8032/* @rici4kubicek
 esphome/components/hm3301/* @freekode
 esphome/components/hmac_md5/* @dwmw2
 esphome/components/hmac_sha256/* @dwmw2
-esphome/components/hoermann_hcp/* @zweckj
 esphome/components/homeassistant/* @esphome/core @OttoWinter
 esphome/components/homeassistant/number/* @landonr
 esphome/components/homeassistant/switch/* @Links2004
@@ -292,7 +287,6 @@ esphome/components/ld2412/* @Rihan9
 esphome/components/ld2420/* @descipher
 esphome/components/ld2450/* @hareeshmu
 esphome/components/ld24xx/* @kbx81
-esphome/components/ld6002b/* @hepter
 esphome/components/ledc/* @OttoWinter
 esphome/components/libretiny/* @kuba2k2
 esphome/components/libretiny_pwm/* @kuba2k2
@@ -300,8 +294,6 @@ esphome/components/light/* @esphome/core
 esphome/components/lightwaverf/* @max246
 esphome/components/lilygo_t5_47/touchscreen/* @jesserockz
 esphome/components/lm75b/* @beormund
-esphome/components/ln882h_ble/* @Bl00d-B0b
-esphome/components/ln882h_ble_tracker/* @Bl00d-B0b
 esphome/components/ln882x/* @lamauny
 esphome/components/lock/* @esphome/core
 esphome/components/logger/* @esphome/core
@@ -352,12 +344,10 @@ esphome/components/mipi_spi/* @clydebarrow
 esphome/components/mitsubishi/* @RubyBailey
 esphome/components/mitsubishi_cn105/* @crnjan
 esphome/components/mixer/speaker/* @kahrendt
-esphome/components/mk2pvrouter/* @FredM67
 esphome/components/mlx90393/* @functionpointer
 esphome/components/mlx90614/* @jesserockz
 esphome/components/mmc5603/* @benhoff
 esphome/components/mmc5983/* @agoode
-esphome/components/modbus_client/* @exciton
 esphome/components/modbus_controller/* @martgras
 esphome/components/modbus_controller/binary_sensor/* @martgras
 esphome/components/modbus_controller/number/* @martgras
@@ -384,7 +374,6 @@ esphome/components/nextion/switch/* @senexcrenshaw
 esphome/components/nextion/text_sensor/* @senexcrenshaw
 esphome/components/nfc/* @jesserockz @kbx81
 esphome/components/noblex/* @AGalfra
-esphome/components/noise/* @esphome/core
 esphome/components/npi19/* @bakerkj
 esphome/components/nrf52/* @tomaszduda23
 esphome/components/number/* @esphome/core
@@ -447,7 +436,6 @@ esphome/components/rp2/* @jesserockz
 esphome/components/rp2040_ble/* @bdraco
 esphome/components/rp2040_pio_led_strip/* @Papa-DMan
 esphome/components/rp2040_pwm/* @jesserockz
-esphome/components/rp2_ble_tracker/* @bdraco
 esphome/components/rpi_dpi_rgb/* @clydebarrow
 esphome/components/rtl87xx/* @kuba2k2
 esphome/components/rtttl/* @glmnet @ximex
@@ -470,7 +458,6 @@ esphome/components/sen21231/* @shreyaskarnik
 esphome/components/sen5x/* @martgras
 esphome/components/sen6x/* @martgras @mebner86 @tuct
 esphome/components/sendspin/* @kahrendt
-esphome/components/sendspin/image/* @kahrendt
 esphome/components/sendspin/media_player/* @kahrendt
 esphome/components/sendspin/media_source/* @kahrendt
 esphome/components/sendspin/sensor/* @kahrendt
@@ -479,7 +466,6 @@ esphome/components/sensirion_common/* @martgras
 esphome/components/sensor/* @esphome/core
 esphome/components/serial_proxy/* @kbx81
 esphome/components/sfa30/* @ghsensdev
-esphome/components/sfa40/* @NoQuarrel
 esphome/components/sgp40/* @SenexCrenshaw
 esphome/components/sgp4x/* @martgras @SenexCrenshaw
 esphome/components/sha256/* @esphome/core
@@ -496,7 +482,6 @@ esphome/components/sm2335/* @Cossid
 esphome/components/sml/* @alengwenus
 esphome/components/smt100/* @piechade
 esphome/components/sn74hc165/* @jesserockz
-esphome/components/snapshot/* @clydebarrow
 esphome/components/socket/* @esphome/core
 esphome/components/sonoff_d1/* @anatoly-savchenkov
 esphome/components/sound_level/* @kahrendt
@@ -581,7 +566,6 @@ esphome/components/tuya/select/* @bearpawmaxim
 esphome/components/tuya/sensor/* @jesserockz
 esphome/components/tuya/switch/* @jesserockz
 esphome/components/tuya/text_sensor/* @dentra
-esphome/components/tuya/water_heater/* @iago-veiga
 esphome/components/uart/* @esphome/core
 esphome/components/uart/button/* @ssieb
 esphome/components/uart/event/* @eoasmxd
@@ -642,7 +626,6 @@ esphome/components/xpt2046/touchscreen/* @nielsnl68 @numo68
 esphome/components/xxtea/* @clydebarrow
 esphome/components/zephyr/* @tomaszduda23
 esphome/components/zephyr_mcumgr/ota/* @tomaszduda23
-esphome/components/zephyr_pwm/* @wiomoc
 esphome/components/zhlt01/* @cfeenstra1024
 esphome/components/zigbee/* @luar123 @tomaszduda23
 esphome/components/zio_ultrasonic/* @kahrendt
@@ -48,7 +48,7 @@ PROJECT_NAME           = ESPHome
 # could be handy for archiving the generated documentation or if some version
 # control system is used.

-PROJECT_NUMBER         = 2026.9.0b1
+PROJECT_NUMBER         = 2026.8.0-dev

 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
@@ -23,8 +23,7 @@ For this repository there are two trusted inputs by design:
 1. **The configuration.** Anyone who can supply or edit a YAML config is trusted
   (see below).
 2. **Authenticated peers of a running device** — clients holding the device's
-   API/OTA encryption key, API password, OTA password, or web server
-   credentials.
+   API encryption key / password, OTA password, or web server credentials.

 The security boundary is therefore **unauthenticated network traffic vs. those
 trusted inputs.** A bug that lets an unauthenticated attacker cross it is a
@@ -77,8 +76,8 @@ These *are* security bugs in this repo, and we want to hear about them privately
  captive portal, etc.) **without** valid credentials.
 - Authentication or encryption bypass on the device — reaching API calls, OTA
  updates, or the web server without the configured key/password.
- Flaws that weaken the device's API or OTA encryption (Noise), OTA auth, or
-  web server auth below their documented guarantees.
+- Flaws that weaken the device's API encryption (Noise), OTA, or web server auth
+  below their documented guarantees.

 ## The web server is an open HTTP API by design

@@ -122,37 +121,6 @@ and any memory-safety or protocol bug in the server reachable without credential
 This section documents the current design and scope; it is not a judgment that the
 design is optimal or that it will not change.

-## OTA update encryption
-
-The `esphome` OTA platform optionally encrypts updates with the same Noise
-`NNpsk0` pattern the native API uses; one key protects the device. With an
-`encryption:` block configured the guarantees are: the firmware image is
-confidential in transit, the uploader is authenticated by the pre-shared key,
-and the plaintext negotiation preceding the handshake is bound into the
-handshake prologue, so stripping or tampering with it fails the first MAC.
-Both ends fail closed with no override: a device built with a key refuses
-plaintext uploads, and the CLI refuses to send plaintext when a key is
-configured.
-
-Defeating any of that without the key is in scope: a keyed device accepting a
-plaintext or downgraded upload, getting past the MAC, or recovering image
-contents from captured traffic.
-
-The following are **not** vulnerabilities, by design:
-
- Plaintext OTA on a device with no `encryption:` block. That is the
-  documented default, authenticated (if at all) by the OTA password.
- The enablement window: turning encryption on takes one last upload of the
-  encryption-enabled firmware over the existing plaintext channel, with the
-  pre-existing plaintext exposure.
- The web OTA `/update` endpoint alongside encryption. The `web_server`
-  component keeps it always reachable, and `captive_portal:` auto-loads it
-  for the fallback AP window; validation warns about both combinations, and
-  the operator keeps the recovery path.
- CLI retry behavior on transport or MAC failures; every attempt renegotiates
-  a fresh handshake with fresh ephemerals, so retrying does not weaken
-  authentication.
-
 ## Explicitly out of scope

 - Local attackers who already have shell access on the host that runs `esphome`.
@@ -22,7 +22,7 @@ RUN \
    -r /requirements.txt

 # Install the ESPHome Device Builder dashboard.
-RUN uv pip install --no-cache-dir esphome-device-builder==1.13.1
+RUN uv pip install --no-cache-dir esphome-device-builder==1.7.0

 RUN \
    platformio settings set enable_telemetry No \
@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 import argparse
-import os
 import re

 CHANNEL_DEV = "dev"
@@ -65,10 +64,7 @@ def main():

    suffix = f"-{args.suffix}" if args.suffix else ""

-    repository = (
-        (os.environ.get("GITHUB_REPOSITORY") or "esphome/esphome").strip().lower()
-    )
-    image_name = f"{repository}{suffix}"
+    image_name = f"esphome/esphome{suffix}"

    print(f"channel={channel}")

@@ -2,35 +2,35 @@
 import argparse
 from collections.abc import Callable
 from contextlib import suppress
+from datetime import datetime
 import functools
+import getpass
 import importlib
 import logging
 import os
 from pathlib import Path
 import re
+import shutil
+import subprocess
 import sys
 import time
-from typing import TYPE_CHECKING, Protocol
+from typing import Protocol

 # 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, platform_hooks
+from esphome import const
 from esphome.const import (
    ALLOWED_NAME_CHARS,
    ARGUMENT_HELP_DEVICE,
-    BUNDLE_EXTENSION,
    CONF_API,
+    CONF_AUTH,
    CONF_BAUD_RATE,
    CONF_BROKER,
    CONF_DEASSERT_RTS_DTR,
    CONF_DISABLED,
-    CONF_DISCOVER_IP,
-    CONF_ENCRYPTION,
    CONF_ESPHOME,
-    CONF_KEY,
    CONF_LEVEL,
-    CONF_LOG,
    CONF_LOG_TOPIC,
    CONF_LOGGER,
    CONF_MDNS,
@@ -44,12 +44,10 @@ from esphome.const import (
    CONF_PORT,
    CONF_SUBSTITUTIONS,
    CONF_TOPIC,
-    CONF_VERSION,
+    CONF_USERNAME,
    CONF_WEB_SERVER,
    CONF_WIFI,
    ENV_NOGITIGNORE,
-    KEY_ESP32,
-    KEY_VARIANT,
    SECRETS_FILES,
    Toolchain,
 )
@@ -57,7 +55,6 @@ from esphome.core import CORE, EsphomeError, coroutine
 from esphome.enum import StrEnum
 from esphome.helpers import get_bool_env, indent, is_ip_address
 from esphome.log import AnsiFore, color, setup_log
-from esphome.stacktrace import LogLineProcessor
 from esphome.types import ConfigType
 from esphome.upload_targets import PortType, get_port_type
 from esphome.util import (
@@ -73,9 +70,6 @@ from esphome.util import (
    safe_print,
 )

-if TYPE_CHECKING:
-    import threading
-
 # Keep expensive imports (zeroconf, writer, yaml_util, etc.) out of this
 # module's top level. Every `esphome` invocation — including fast paths
 # like `esphome version` — pays the cost of what's imported here before
@@ -278,8 +272,8 @@ def _unresolved_default_error(purpose: Purpose, defaults: list[str]) -> str:
        if purpose == Purpose.LOGGING and not has_api():
            return (
                "Cannot view logs over the network: no 'api:' component is "
-                "configured. Add an 'api:' component, enable MQTT logging, add a "
-                "'web_server:' component, or view logs over USB."
+                "configured. Network log streaming requires the native API; add "
+                "an 'api:' component, enable MQTT logging, or view logs over USB."
            )
        if purpose == Purpose.UPLOADING and not has_ota():
            return (
@@ -319,12 +313,9 @@ def choose_upload_log_host(
                ]
                resolved.append(choose_prompt(options, purpose=purpose))
            elif device == "OTA":
-                # Logs can stream over a network transport via the native API
-                # or the web_server HTTP SSE feed.
-                network_logging = has_api() or has_web_server_logging()
                # ensure IP adresses are used first
                if is_ip_address(CORE.address) and (
-                    (purpose == Purpose.LOGGING and network_logging)
+                    (purpose == Purpose.LOGGING and has_api())
                    or (purpose == Purpose.UPLOADING and has_ota())
                ):
                    resolved.extend(_resolve_with_cache(CORE.address, purpose))
@@ -336,11 +327,7 @@ def choose_upload_log_host(
                    if has_mqtt_logging():
                        resolved.append("MQTT")

-                    if (
-                        network_logging
-                        and has_non_ip_address()
-                        and has_resolvable_address()
-                    ):
+                    if has_api() and has_non_ip_address() and has_resolvable_address():
                        resolved.extend(_ota_hostnames_for_default(purpose))

                elif purpose == Purpose.UPLOADING:
@@ -402,7 +389,7 @@ def choose_upload_log_host(
            mqtt_config = CORE.config[CONF_MQTT]
            options.append((f"MQTT ({mqtt_config[CONF_BROKER]})", "MQTT"))

-        if has_api() or has_web_server_logging():
+        if has_api():
            add_ota_options()

    elif purpose == Purpose.UPLOADING and has_ota():
@@ -495,23 +482,10 @@ def has_web_server_ota() -> bool:
    )


-def has_web_server_logging() -> bool:
-    """Check if logs can be streamed over the web_server HTTP SSE endpoint.
-
-    The ``web_server`` component exposes a ``/events`` Server-Sent Events
-    stream that carries ``event: log`` frames. This requires version 2+ (the
-    v1 UI has no ``/events`` endpoint) and the ``log`` option enabled (default).
-    """
-    web_conf = CORE.config.get(CONF_WEB_SERVER)
-    if web_conf is None:
-        return False
-    if web_conf.get(CONF_VERSION, 2) == 1:
-        return False
-    return web_conf.get(CONF_LOG, True)
-
-
 def has_mqtt_ip_lookup() -> bool:
    """Check if MQTT is available and IP lookup is supported."""
+    from esphome.components.mqtt import CONF_DISCOVER_IP
+
    if CONF_MQTT not in CORE.config:
        return False
    # Default Enabled
@@ -572,48 +546,11 @@ def has_name_add_mac_suffix() -> bool:


 def mqtt_get_ip(
-    config: ConfigType,
-    username: str,
-    password: str,
-    client_id: str,
-    stop_event: "threading.Event | None" = None,
+    config: ConfigType, username: str, password: str, client_id: str
 ) -> list[str]:
    from esphome import mqtt

-    return mqtt.get_esphome_device_ip(
-        config, username, password, client_id, stop_event=stop_event
-    )
-
-
-def _add_network_device(device: str, network_devices: list[str]) -> None:
-    """Append a device to the list, expanding it through ``CORE.address_cache``.
-
-    If the hostname is already in the address cache (e.g. populated by mDNS
-    discovery), substitute the cached IPs so aioesphomeapi doesn't open its
-    own Zeroconf to re-resolve it. Duplicates are dropped.
-    """
-    if CORE.address_cache and (cached := CORE.address_cache.get_addresses(device)):
-        network_devices.extend(addr for addr in cached if addr not in network_devices)
-    elif device not in network_devices:
-        network_devices.append(device)
-
-
-def _split_network_devices(devices: list[str]) -> tuple[list[str], bool]:
-    """Split the device list into direct addresses and an MQTT-lookup flag.
-
-    Direct addresses are expanded through ``CORE.address_cache`` and deduped
-    the same way ``_resolve_network_devices`` does; MQTT/MQTTIP magic strings
-    are not resolved, only reported via the returned bool so the caller can
-    defer the broker lookup.
-    """
-    network_devices: list[str] = []
-    has_mqtt_lookup = False
-    for device in devices:
-        if get_port_type(device) in _MQTT_PORT_TYPES:
-            has_mqtt_lookup = True
-        else:
-            _add_network_device(device, network_devices)
-    return network_devices, has_mqtt_lookup
+    return mqtt.get_esphome_device_ip(config, username, password, client_id)


 def _resolve_network_devices(
@@ -646,47 +583,41 @@ def _resolve_network_devices(
        if port_type in _MQTT_PORT_TYPES:
            # Only resolve MQTT once, even if multiple MQTT entries
            if not mqtt_resolved:
-                mqtt_ips = _mqtt_get_ip_or_warn(
-                    config, args.username, args.password, args.client_id
-                )
-                network_devices.extend(
-                    addr for addr in mqtt_ips if addr not in network_devices
-                )
+                try:
+                    mqtt_ips = mqtt_get_ip(
+                        config, args.username, args.password, args.client_id
+                    )
+                    # pylint can't infer mqtt_get_ip's return through its
+                    # lazy ``from esphome import mqtt`` import, so it flags
+                    # the genexpr below.
+                    network_devices.extend(
+                        addr
+                        for addr in mqtt_ips  # pylint: disable=not-an-iterable
+                        if addr not in network_devices
+                    )
+                except EsphomeError as err:
+                    _LOGGER.warning(
+                        "MQTT IP discovery failed (%s), will try other devices if available",
+                        err,
+                    )
                mqtt_resolved = True
            continue

-        _add_network_device(device, network_devices)
+        # If the hostname is already in the address cache (e.g. populated by
+        # mDNS discovery), substitute the cached IPs so aioesphomeapi doesn't
+        # open its own Zeroconf to re-resolve it.
+        if CORE.address_cache and (cached := CORE.address_cache.get_addresses(device)):
+            network_devices.extend(
+                addr for addr in cached if addr not in network_devices
+            )
+        elif device not in network_devices:
+            # Regular network address or IP - add if not already present
+            network_devices.append(device)

    return network_devices


-def _mqtt_get_ip_or_warn(
-    config: ConfigType,
-    username: str,
-    password: str,
-    client_id: str,
-    stop_event: "threading.Event | None" = None,
-) -> list[str]:
-    """Look up the device IP via MQTT, returning [] with a warning on failure.
-
-    This owns the failure policy for MQTT IP discovery on paths that have
-    other addresses to fall back on: a broker problem must not abort the
-    operation. Also used as the deferred resolver handed to ``run_logs``,
-    where it runs in a worker thread.
-    """
-    try:
-        return mqtt_get_ip(config, username, password, client_id, stop_event=stop_event)
-    except EsphomeError as err:
-        _LOGGER.warning(
-            "MQTT IP discovery failed (%s), will try other devices if available",
-            err,
-        )
-        return []
-
-
 def run_miniterm(config: ConfigType, port: str, args) -> int:
-    from datetime import datetime
-
    from aioesphomeapi import LogParser
    import serial

@@ -699,9 +630,18 @@ def run_miniterm(config: ConfigType, port: str, args) -> int:
        return 1
    _LOGGER.info("Starting log output from %s with baud rate %s", port, baud_rate)

-    # Decoder resolution, crash isolation, and disable-after-failure
-    # all live in LogLineProcessor, shared with the API log path.
-    processor = LogLineProcessor(config, CORE.target_platform)
+    process_stacktrace = None
+
+    try:
+        module = importlib.import_module("esphome.components." + CORE.target_platform)
+        process_stacktrace = module.process_stacktrace
+    except (AttributeError, ImportError):
+        _LOGGER.info(
+            'Stacktrace analysis is unavailable: no compatible analyzer found for target platform "%s".',
+            CORE.target_platform,
+        )
+
+    backtrace_state = False
    ser = serial.Serial()
    ser.baudrate = baud_rate
    ser.port = port
@@ -741,7 +681,11 @@ def run_miniterm(config: ConfigType, port: str, args) -> int:
                                "utf8", "backslashreplace"
                            )
                            safe_print(parser.parse_line(line, time_str))
-                            processor.process_line(line)
+
+                            if process_stacktrace is not None:
+                                backtrace_state = process_stacktrace(
+                                    config, line, backtrace_state
+                                )
                    except serial.SerialException:
                        _LOGGER.error("Serial port closed!")
                        return 0
@@ -764,11 +708,9 @@ def _wrap_to_code(name, comp, yaml_util):
    async def wrapped(conf):
        cg.add(cg.LineComment(f"{name}:"))
        if comp.config_schema is not None:
-            # sort_keys: voluptuous fills defaults in set order, so an
-            # unsorted dump would churn main.cpp and relink every run
-            conf_str = yaml_util.dump(conf, sort_keys=True)
+            conf_str = yaml_util.dump(conf)
            conf_str = conf_str.replace("//", "")
-            # remove trailing \ to avoid multi-line comment warning
+            # remove tailing \ to avoid multi-line comment warning
            conf_str = conf_str.replace("\\\n", "\n")
            cg.add(cg.LineComment(indent(conf_str)))
        await coro(conf)
@@ -859,20 +801,7 @@ def compile_program(args: ArgsProtocol, config: ConfigType) -> int:
        toolchain.create_factory_bin()
        toolchain.create_ota_bin()
        toolchain.create_elf_copy()
-        from esphome.build_helpers.idedata import IDEDATA_BEST_EFFORT_ERRORS
-
-        try:
-            if toolchain.get_idedata() is None:
-                _LOGGER.warning("No idedata was generated for this build")
-        except IDEDATA_BEST_EFFORT_ERRORS as err:
-            # The firmware already built; an idedata failure must not fail
-            # a successful build.
-            _LOGGER.warning(
-                "Could not generate idedata: %s (IDE, clang-tidy, and "
-                "memory-analysis data will be unavailable for this build)",
-                err,
-            )
-            _LOGGER.debug("Idedata failure detail", exc_info=True)
+        toolchain.get_idedata()
    else:
        from esphome.platformio import toolchain

@@ -1001,10 +930,9 @@ def upload_using_esptool(

    mcu = "esp8266"
    if CORE.is_esp32:
-        # Same lookup as esp32.get_esp32_variant(), read directly so the
-        # serial upload path does not import the esp32 package; both the
-        # validator and the warm-cache apply_to_core populate this key.
-        mcu = CORE.data[KEY_ESP32][KEY_VARIANT].lower()
+        from esphome.components.esp32 import get_esp32_variant
+
+        mcu = get_esp32_variant().lower()

    line_callbacks: list[Callable[[str], str | None]] = []
    if (
@@ -1058,8 +986,6 @@ def upload_using_esptool(


 def upload_using_platformio(config: ConfigType, port: str) -> int:
-    import shutil
-
    from esphome.platformio import toolchain

    # RP2040 platform-raspberrypi build recipe expects firmware.bin.signed for
@@ -1097,8 +1023,6 @@ def upload_using_picotool(config: ConfigType) -> int:
    the mass storage copy approach that causes "disk not ejected properly"
    warnings on macOS.
    """
-    import subprocess
-
    from esphome.platformio import toolchain

    idedata = toolchain.get_idedata(config)
@@ -1205,8 +1129,6 @@ def check_permissions(port: str):
                "the USB cable can be used for data and is not a power-only cable."
            )
        if not (os.access(port, os.R_OK | os.W_OK)):
-            import getpass
-
            raise EsphomeError(
                "You do not have read or write permission on the selected serial port. "
                "To resolve this issue, you can add your user to the dialout group "
@@ -1219,11 +1141,12 @@ def upload_program(
    config: ConfigType, args: ArgsProtocol, devices: list[str]
 ) -> tuple[int, str | None]:
    host = devices[0]
-    platform_upload = platform_hooks.get_platform_hook(
-        CORE.target_platform, "upload_program"
-    )
-    if platform_upload is not None and platform_upload(config, args, host):
-        return 0, host
+    try:
+        module = importlib.import_module("esphome.components." + CORE.target_platform)
+        if module.upload_program(config, args, host):
+            return 0, host
+    except AttributeError:
+        pass

    port_type = get_port_type(host)

@@ -1338,19 +1261,6 @@ def _upload_via_native_api(

    remote_port = int(ota_conf[CONF_PORT])
    password = ota_conf.get(CONF_PASSWORD)
-    # Fail closed: an encryption block whose key did not resolve must never
-    # fall back to a plaintext upload
-    noise_psk = None
-    if (encryption_conf := ota_conf.get(CONF_ENCRYPTION)) is not None:
-        noise_psk = encryption_conf.get(CONF_KEY)
-        if not noise_psk:
-            raise EsphomeError(
-                "OTA encryption is configured but no key was resolved; "
-                "set the key under 'ota: encryption:' or 'api: encryption:'"
-            )
-        # Ensure the key is a string, as required by the underlying OTA implementation.
-        # It arrives here as a SensitiveStr which aioesphomeapi rejects.
-        noise_psk = str(noise_psk)

    def check_partition_access(option_string: str) -> None:
        if not ota_conf.get("allow_partition_access"):
@@ -1381,41 +1291,31 @@ def _upload_via_native_api(
    if ota_type == espota2.OTA_TYPE_UPDATE_BOOTLOADER:
        _validate_bootloader_binary(binary)

-    return espota2.run_ota(
-        network_devices, remote_port, password, binary, ota_type, noise_psk
-    )
+    return espota2.run_ota(network_devices, remote_port, password, binary, ota_type)


 def _upload_via_web_server(
    config: ConfigType, network_devices: list[str], binary: Path
 ) -> tuple[int, str | None]:
-    from esphome import web_server_ota
-    from esphome.web_server_helpers import get_web_server_connection
-
-    if any(
-        ota_item.get(CONF_PLATFORM) == CONF_ESPHOME
-        and ota_item.get(CONF_ENCRYPTION) is not None
-        for ota_item in config.get(CONF_OTA, [])
-    ):
-        _LOGGER.warning(
-            "This config has OTA encryption, but the web_server OTA path sends "
-            "the image over plaintext HTTP; use the esphome OTA platform to "
-            "keep it confidential"
+    web_conf = config.get(CONF_WEB_SERVER)
+    if not web_conf:
+        raise EsphomeError(
+            f"Cannot upload via web_server OTA: the {CONF_WEB_SERVER} component "
+            f"is not configured."
        )
-    remote_port, username, password = get_web_server_connection(config)
+
+    remote_port = int(web_conf[CONF_PORT])
+    auth = web_conf.get(CONF_AUTH) or {}
+    username = auth.get(CONF_USERNAME)
+    password = auth.get(CONF_PASSWORD)
+
+    from esphome import web_server_ota
+
    return web_server_ota.run_ota(
        network_devices, remote_port, username, password, binary
    )


-def _show_logs_via_web_server(config: ConfigType, network_devices: list[str]) -> int:
-    from esphome import web_server_logs
-    from esphome.web_server_helpers import get_web_server_connection
-
-    port, username, password = get_web_server_connection(config)
-    return web_server_logs.run_logs(network_devices, port, username, password)
-
-
 # Layout of esp_partition_info_t on flash. Each entry is 32 bytes, leading with a
 # 16-bit little-endian magic. ESP-IDF defines ESP_PARTITION_MAGIC = 0x50AA (stored as
 # bytes 0xAA, 0x50) for partition entries and ESP_PARTITION_MAGIC_MD5 = 0xEBEB for the
@@ -1506,11 +1406,12 @@ def _should_subscribe_states(args: ArgsProtocol) -> bool:


 def show_logs(config: ConfigType, args: ArgsProtocol, devices: list[str]) -> int | None:
-    platform_show_logs = platform_hooks.get_platform_hook(
-        CORE.target_platform, "show_logs"
-    )
-    if platform_show_logs is not None and platform_show_logs(config, args, devices):
-        return 0
+    try:
+        module = importlib.import_module("esphome.components." + CORE.target_platform)
+        if module.show_logs(config, args, devices):
+            return 0
+    except AttributeError:
+        pass

    if "logger" not in config:
        raise EsphomeError("Logger is not configured!")
@@ -1524,37 +1425,17 @@ def show_logs(config: ConfigType, args: ArgsProtocol, devices: list[str]) -> int
        return run_miniterm(config, port, args)

    # Check if we should use API for logging
-    if has_api():
-        network_devices, has_mqtt_lookup = _split_network_devices(devices)
-        mqtt_resolver = None
-        if has_mqtt_lookup:
-            if network_devices:
-                # Addresses are already known, so don't block startup on the
-                # MQTT broker lookup; hand it to run_logs as a deferred
-                # resolver that runs in the background and feeds discovered
-                # addresses into the running log client, keeping MQTT as a
-                # fallback for when the known addresses are stale (e.g. DHCP
-                # reassigned the IP).
-                mqtt_resolver = functools.partial(
-                    _mqtt_get_ip_or_warn,
-                    config,
-                    args.username,
-                    args.password,
-                    args.client_id,
-                )
-            else:
-                # The MQTT lookup is the only way to find the device; resolve
-                # it up front since the client needs an address to start with.
-                network_devices = _resolve_network_devices(devices, config, args)
-        if network_devices:
-            from esphome.api_client import run_logs
+    # Resolve MQTT magic strings to actual IP addresses
+    if has_api() and (
+        network_devices := _resolve_network_devices(devices, config, args)
+    ):
+        from esphome.components.api.client import run_logs

-            return run_logs(
-                config,
-                network_devices,
-                subscribe_states=_should_subscribe_states(args),
-                mqtt_resolver=mqtt_resolver,
-            )
+        return run_logs(
+            config,
+            network_devices,
+            subscribe_states=_should_subscribe_states(args),
+        )

    if port_type in (PortType.NETWORK, PortType.MQTT) and has_mqtt_logging():
        from esphome import mqtt
@@ -1563,13 +1444,6 @@ def show_logs(config: ConfigType, args: ArgsProtocol, devices: list[str]) -> int
            config, args.topic, args.username, args.password, args.client_id
        )

-    # Fall back to the web_server HTTP SSE log stream for devices that have
-    # web_server: but no api: (the logging counterpart to web_server OTA).
-    if has_web_server_logging() and (
-        network_devices := _resolve_network_devices(devices, config, args)
-    ):
-        return _show_logs_via_web_server(config, network_devices)
-
    raise EsphomeError("No remote or local logging method configured (api/mqtt/logger)")


@@ -1697,26 +1571,20 @@ def command_compile(args: ArgsProtocol, config: ConfigType) -> int | None:
    if exit_code != 0:
        return exit_code
    if CORE.is_host:
-        _LOGGER.info(
-            "Successfully compiled program to path '%s'", _host_program_path(config)
-        )
+        if CORE.using_toolchain_esp_idf:
+            from esphome.espidf import toolchain
+
+            program_path = str(toolchain.get_elf_path())
+        else:
+            from esphome.platformio.toolchain import get_idedata
+
+            program_path = str(get_idedata(config).firmware_elf_path)
+        _LOGGER.info("Successfully compiled program to path '%s'", program_path)
    else:
        _LOGGER.info("Successfully compiled program.")
    return 0


-def _host_program_path(config: ConfigType) -> str:
-    """Return the compiled host ELF path."""
-    if CORE.using_toolchain_esp_idf:
-        from esphome.espidf import toolchain
-
-        return str(toolchain.get_elf_path())
-    from esphome.platformio.toolchain import get_idedata
-
-    # Memoized by compile_program's own call; this is a dict lookup
-    return str(get_idedata(config).firmware_elf_path)
-
-
 def command_upload(args: ArgsProtocol, config: ConfigType) -> int | None:
    # Get devices, resolving special identifiers like OTA
    devices = choose_upload_log_host(
@@ -1761,7 +1629,14 @@ def command_run(args: ArgsProtocol, config: ConfigType) -> int | None:
        return exit_code
    _LOGGER.info("Successfully compiled program.")
    if CORE.is_host:
-        program_path = _host_program_path(config)
+        if CORE.using_toolchain_esp_idf:
+            from esphome.espidf import toolchain
+
+            program_path = str(toolchain.get_elf_path())
+        else:
+            from esphome.platformio.toolchain import get_idedata
+
+            program_path = str(get_idedata(config).firmware_elf_path)
        _LOGGER.info("Running program from path '%s'", program_path)
        return run_external_process(program_path)

@@ -1838,7 +1713,7 @@ def command_clean(args: ArgsProtocol, config: ConfigType) -> int | None:


 def command_bundle(args: ArgsProtocol, config: ConfigType) -> int | None:
-    from esphome.bundle import ConfigBundleCreator
+    from esphome.bundle import BUNDLE_EXTENSION, ConfigBundleCreator

    creator = ConfigBundleCreator(config)

@@ -2073,7 +1948,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
    new_name = args.name
    for c in new_name:
        if c not in ALLOWED_NAME_CHARS:
-            safe_print(
+            print(
                color(
                    AnsiFore.BOLD_RED,
                    f"'{c}' is an invalid character for names. Valid characters are: "
@@ -2086,7 +1961,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:

    yaml = yaml_util.load_yaml(CORE.config_path)
    if CONF_ESPHOME not in yaml or CONF_NAME not in yaml[CONF_ESPHOME]:
-        safe_print(
+        print(
            color(
                AnsiFore.BOLD_RED, "Complex YAML files cannot be automatically renamed."
            )
@@ -2133,9 +2008,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
            )
            > 1
        ):
-            safe_print(
-                color(AnsiFore.BOLD_RED, "Too many matches in YAML to safely rename")
-            )
+            print(color(AnsiFore.BOLD_RED, "Too many matches in YAML to safely rename"))
            return 1

        new_raw = re.sub(
@@ -2153,7 +2026,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
    # ``kitchen``; running ``esphome rename weird-file.yaml kitchen``
    # would otherwise just re-flash the same hostname).
    if new_name == old_name:
-        safe_print(
+        print(
            color(
                AnsiFore.BOLD_RED,
                f"'{new_name}' is already the device's name.",
@@ -2163,7 +2036,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:

    new_path: Path = CORE.config_dir / (new_name + ".yaml")
    if new_path.resolve() == CORE.config_path.resolve():
-        safe_print(
+        print(
            color(
                AnsiFore.BOLD_RED,
                f"'{new_name}' is already the device's name.",
@@ -2171,7 +2044,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
        )
        return 1
    if new_path.exists():
-        safe_print(
+        print(
            color(
                AnsiFore.BOLD_RED,
                f"Cannot rename: {new_path} already exists. "
@@ -2179,7 +2052,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
            )
        )
        return 1
-    safe_print(
+    print(
        f"Updating {color(AnsiFore.CYAN, str(CORE.config_path))} to {color(AnsiFore.CYAN, str(new_path))}"
    )
    print()
@@ -2188,7 +2061,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:

    rc = run_external_process(*ESPHOME_COMMAND, "config", str(new_path))
    if rc != 0:
-        safe_print(color(AnsiFore.BOLD_RED, "Rename failed. Reverting changes."))
+        print(color(AnsiFore.BOLD_RED, "Rename failed. Reverting changes."))
        new_path.unlink()
        return 1

@@ -2214,7 +2087,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
    if CORE.config_path != new_path:
        CORE.config_path.unlink()

-    safe_print(color(AnsiFore.BOLD_GREEN, "SUCCESS"))
+    print(color(AnsiFore.BOLD_GREEN, "SUCCESS"))
    print()
    return 0

@@ -2641,49 +2514,6 @@ def parse_args(argv):
    return parser.parse_args(arguments)


-def _warn_if_source_tree_mismatch() -> None:
-    """Warn when the checkout the user is standing in is not the one being run.
-
-    An editable install records one absolute path, so a venv shared between git
-    worktrees (or reused after a checkout is copied or renamed) keeps importing
-    the tree it was installed from. Every command then silently runs, and
-    compiles, sources the user is not looking at. Only fires inside a checkout,
-    so ordinary installs never see it.
-    """
-    try:
-        cwd = Path.cwd()
-    except OSError:
-        return  # working directory is gone; a diagnostic must not break startup
-    for candidate in (cwd, *cwd.parents):
-        if (candidate / "esphome" / "__main__.py").is_file():
-            standing_in = candidate.resolve()
-            break
-    else:
-        return  # not inside a checkout; nothing to compare against
-
-    running = Path(__file__).resolve().parent.parent
-    # Both sides are resolved, so on a case-sensitive filesystem this matches
-    # plain equality. samefile() compares device and inode, which additionally
-    # covers a case-insensitive filesystem (macOS) reaching one directory by
-    # differently cased paths. Falls back to equality if either path is gone.
-    try:
-        same = standing_in.samefile(running)
-    except OSError:
-        same = standing_in == running
-    if same:
-        return
-
-    _LOGGER.warning(
-        "Running ESPHome from a different checkout than the one you are in:\n"
-        "  running from: %s\n"
-        "  you are in:   %s\n"
-        "The installed esphome resolves to the first, so its sources are used.\n"
-        "Run 'python -m esphome' from the second to use that one instead.",
-        running,
-        standing_in,
-    )
-
-
 def run_esphome(argv):
    from esphome.address_cache import AddressCache

@@ -2702,7 +2532,6 @@ def run_esphome(argv):
        args.log_level = "CRITICAL"

    setup_log(log_level=args.log_level)
-    _warn_if_source_tree_mismatch()

    if args.command in PRE_CONFIG_ACTIONS:
        try:
@@ -2734,11 +2563,10 @@ def run_esphome(argv):
        return 0

    # Bundle support: if the configuration is a .esphomebundle, extract it
-    # and rewrite conf_path to the extracted YAML config. The suffix check
-    # stays inline so the ordinary run never imports esphome.bundle.
-    if conf_path.name.lower().endswith(BUNDLE_EXTENSION):
-        from esphome.bundle import prepare_bundle_for_compile
+    # and rewrite conf_path to the extracted YAML config.
+    from esphome.bundle import is_bundle_path, prepare_bundle_for_compile

+    if is_bundle_path(conf_path):
        _LOGGER.info("Extracting config bundle %s...", conf_path)
        conf_path = prepare_bundle_for_compile(conf_path)
        # Update the argument so downstream code sees the extracted path
@@ -2760,14 +2588,10 @@ def run_esphome(argv):
    # Skipped when -s overrides are passed, since the cache was written
    # against the previous substitution set.
    config: ConfigType | None = None
-    cache_write_eligible = (
+    cache_eligible = (
        args.command in ("upload", "logs") and not command_line_substitutions
    )
-    # An explicit --toolchain must re-run the per-platform validators, so
-    # gate only the cache read; the refresh below saves the result unless
-    # the sidecar records a different toolchain.
-    cache_read_eligible = cache_write_eligible and args.toolchain is None
-    if cache_read_eligible:
+    if cache_eligible:
        from esphome.compiled_config import load_compiled_config

        config = load_compiled_config(conf_path)
@@ -2777,32 +2601,33 @@ def run_esphome(argv):
                conf_path.name,
            )

-    cache_missed = config is None
-    if cache_missed:
+    if config is None:
        from esphome.config import read_config

        config = read_config(
            command_line_substitutions,
            skip_external_update=skip_external,
-            # Snapshot only needed by `esphome config --no-defaults`.
-            snapshot_user_config=getattr(args, "no_defaults", False),
        )
-        if config is None:
-            return 2
+        # Refresh the cache so the next upload/logs hits the fast path
+        # instead of re-running read_config. Skip when the storage
+        # sidecar is absent (no compile has run): the cache would
+        # never be loaded back, so writing secrets to disk is wasted.
+        if cache_eligible and config is not None:
+            from esphome.compiled_config import save_compiled_config
+            from esphome.storage_json import ext_storage_path
+
+            if ext_storage_path(conf_path.name).exists():
+                save_compiled_config(config)
+    if config is None:
+        return 2
    CORE.config = config

-    # The cache fast path skips validation, and legacy sidecars lack the
-    # toolchain field. Must run before the cache refresh below.
+    # Fallback for platforms whose validators didn't set the toolchain
+    # (only the esp32 component reads esp32.framework.toolchain). All
+    # other platforms only support PlatformIO today.
    if CORE.toolchain is None:
        CORE.toolchain = Toolchain.PLATFORMIO

-    # Refresh the cache so the next upload/logs hits the fast path
-    # instead of re-running read_config.
-    if cache_write_eligible and cache_missed:
-        from esphome.compiled_config import save_compiled_config_and_sidecar
-
-        save_compiled_config_and_sidecar(config)
-
    if args.command not in POST_CONFIG_ACTIONS:
        safe_print(f"Unknown command {args.command}")
        return 1
@@ -1,198 +0,0 @@
-from __future__ import annotations
-
-import asyncio
-from contextlib import suppress
-import logging
-import threading
-from typing import TYPE_CHECKING, Any
-import warnings
-
-# Suppress protobuf version warnings
-with warnings.catch_warnings():
-    warnings.filterwarnings(
-        "ignore", category=UserWarning, message=".*Protobuf gencode version.*"
-    )
-    from aioesphomeapi import APIClient, parse_log_message
-    from aioesphomeapi.log_runner import async_run
-
-from esphome.const import CONF_ENCRYPTION, CONF_KEY, CONF_PORT, __version__
-from esphome.core import CORE
-from esphome.stacktrace import LogLineProcessor
-from esphome.util import safe_print
-
-if TYPE_CHECKING:
-    from collections.abc import Callable
-
-    from aioesphomeapi.api_pb2 import (
-        SubscribeLogsResponse,  # pylint: disable=no-name-in-module
-    )
-
-
-_LOGGER = logging.getLogger(__name__)
-
-
-async def async_run_logs(
-    config: dict[str, Any],
-    addresses: list[str],
-    subscribe_states: bool = True,
-    mqtt_resolver: Callable[[threading.Event], list[str]] | None = None,
-) -> None:
-    """Run the logs command in the event loop.
-
-    If ``mqtt_resolver`` is given, it is called in a worker thread (paho-mqtt
-    has no asyncio support on Windows) concurrently with the connection
-    attempts to ``addresses``, and any addresses it discovers are fed into
-    the running client. It owns its own failure handling (returning [] when
-    discovery fails) and must honor the ``threading.Event`` it is passed so
-    teardown is not delayed by the lookup's wait window; the initial broker
-    connect itself is only bounded by the socket timeout.
-    """
-    from datetime import datetime
-
-    conf = config["api"]
-    name = config["esphome"]["name"]
-    port: int = int(conf[CONF_PORT])
-    noise_psk: str | None = None
-    if (encryption := conf.get(CONF_ENCRYPTION)) and (key := encryption.get(CONF_KEY)):
-        noise_psk = key
-
-    _LOGGER.info(
-        "Starting log output from %s using esphome API", " or ".join(addresses)
-    )
-
-    cli = APIClient(
-        addresses[0],  # Primary address for compatibility
-        port,
-        "",  # Password auth removed in 2026.1.0
-        client_info=f"ESPHome Logs {__version__}",
-        noise_psk=noise_psk,
-        addresses=addresses,  # Pass all addresses for automatic retry
-        provide_time=False,
-    )
-
-    # Decoder resolution policy lives in LogLineProcessor.
-    processor = LogLineProcessor(config, CORE.target_platform)
-
-    mqtt_task: asyncio.Task[None] | None = None
-    mqtt_stop_event = threading.Event()
-
-    def _cancel_mqtt_discovery() -> None:
-        """Stop the broker lookup once a connection has been established.
-
-        Its answer is only useful while still disconnected: after that it
-        either duplicates the connected address or arrives too late to
-        matter, so don't keep an idle broker session open for it.
-        """
-        mqtt_stop_event.set()
-        if mqtt_task is not None and not mqtt_task.done():
-            mqtt_task.cancel()
-
-    async def _resolve_mqtt_addresses() -> None:
-        """Discover the device address via the MQTT broker in the background."""
-        try:
-            mqtt_ips = await asyncio.to_thread(mqtt_resolver, mqtt_stop_event)
-            if not mqtt_ips:
-                _LOGGER.debug(
-                    "MQTT discovery %s",
-                    "aborted" if mqtt_stop_event.is_set() else "found no addresses",
-                )
-                return
-            if cli.add_addresses(mqtt_ips):
-                _LOGGER.info("Discovered address(es) via MQTT: %s", ", ".join(mqtt_ips))
-            else:
-                _LOGGER.debug(
-                    "MQTT-discovered address(es) already known: %s", ", ".join(mqtt_ips)
-                )
-        except Exception:  # pylint: disable=broad-except
-            # A background task failure would otherwise stay invisible for
-            # the whole session and only re-raise at teardown
-            _LOGGER.exception("MQTT address discovery failed")
-
-    def on_log(msg: SubscribeLogsResponse) -> None:
-        """Handle a new log message."""
-        time_ = datetime.now().astimezone()
-        message: bytes = msg.message
-        text = message.decode("utf8", "backslashreplace")
-        nanoseconds = time_.microsecond // 1000
-        timestamp = (
-            f"[{time_.hour:02}:{time_.minute:02}:{time_.second:02}.{nanoseconds:03}]"
-        )
-        for parsed_msg in parse_log_message(text, timestamp):
-            # safe_print handles the dashboard \033 escaping and falls back
-            # to backslashreplace encoding on stdouts that can't represent
-            # the wifi signal-bar block characters (Windows redirected
-            # cp1252 pipe).
-            safe_print(parsed_msg)
-        for raw_line in text.splitlines():
-            processor.process_line(raw_line)
-
-    # Safe to fall back to plaintext here only for this diagnostics use
-    # case: the stream is one-way from device to client, and this code
-    # never accepts commands or acts on any message the device sends.
-    # An on-path attacker could still both inject fabricated log lines
-    # and passively read the device's log output (and any state data
-    # delivered when subscribe_states is enabled), so this does lose
-    # confidentiality as well as authentication/integrity. That tradeoff
-    # is acceptable for operator-visible logs, which aioesphomeapi also
-    # warns may come from an unverified device. Never mirror this opt-in
-    # for any connection that sends data to the device or uses Home
-    # Assistant actions.
-    stop = await async_run(
-        cli,
-        on_log,
-        name=name,
-        subscribe_states=subscribe_states,
-        allow_plaintext_fallback=True,
-        # A top-level ``deep_sleep:`` block means the device is only awake
-        # briefly; cap the reconnect backoff so a wake window is not missed.
-        deep_sleep="deep_sleep" in config,
-        on_connect=_cancel_mqtt_discovery if mqtt_resolver is not None else None,
-    )
-    try:
-        # Don't start (or keep) the broker lookup if a connection already
-        # succeeded; the stop event doubles as the not-needed-anymore latch
-        # and get_esphome_device_ip returns immediately when it is set.
-        if mqtt_resolver is not None and not mqtt_stop_event.is_set():
-            mqtt_task = asyncio.create_task(_resolve_mqtt_addresses())
-        await asyncio.Event().wait()
-    finally:
-        try:
-            if mqtt_task is not None:
-                # Unblock the worker thread first so it can't hold up
-                # loop.shutdown_default_executor() for the full lookup timeout.
-                mqtt_stop_event.set()
-                # Give the worker a moment to exit through its own error
-                # handling; cancelling first would race out a late failure.
-                done, _ = await asyncio.wait([mqtt_task], timeout=1.0)
-                if not done:
-                    mqtt_task.cancel()
-                # return_exceptions keeps a CancelledError from the cancel()
-                # above from re-raising here and jumping over the stop() below.
-                # The task handles Exception itself, so only a BaseException
-                # escape (e.g. SystemExit from the worker) can land here.
-                (result,) = await asyncio.gather(mqtt_task, return_exceptions=True)
-                if isinstance(result, BaseException) and not isinstance(
-                    result, asyncio.CancelledError
-                ):
-                    _LOGGER.error("MQTT address discovery failed", exc_info=result)
-        finally:
-            # Must run even if a second cancellation lands mid-cleanup above
-            await stop()
-
-
-def run_logs(
-    config: dict[str, Any],
-    addresses: list[str],
-    subscribe_states: bool = True,
-    mqtt_resolver: Callable[[threading.Event], list[str]] | None = None,
-) -> None:
-    """Run the logs command."""
-    with suppress(KeyboardInterrupt):
-        asyncio.run(
-            async_run_logs(
-                config,
-                addresses,
-                subscribe_states=subscribe_states,
-                mqtt_resolver=mqtt_resolver,
-            )
-        )
@@ -1,531 +0,0 @@
-"""Arduino-core backend for the shared PlatformIO library converter.
-
-Bundled names build straight from the framework tree; everything else goes
-through ``esphome.platformio.library``. Mirrors ``lib_ldf_mode=off``: each
-library builds its own archive; all include dirs join one global path.
-
-Deviations from PlatformIO: flat-layout libraries get the recursive default
-source filter; ``dot_a_linkage`` is honored; bundled libraries never run a
-manifest ``extraScript``; manifest ``-I`` flags join the global include path;
-``precompiled``/``ldflags`` properties are refused by name.
-"""
-
-from __future__ import annotations
-
-from dataclasses import dataclass, field
-import logging
-from pathlib import Path
-import re
-
-from esphome.core import CORE, EsphomeError, Library
-from esphome.helpers import walk_files
-from esphome.platformio.extra_script import apply_extra_script
-from esphome.platformio.library import (
-    DEFAULT_BUILD_INCLUDE_DIR,
-    DEFAULT_BUILD_SRC_FILTER,
-    ESPHOME_DATA_KEY,
-    ESPHOME_DATA_LINK_FLAGS_KEY,
-    LIBRARY_HEADER_SUFFIXES,
-    SRC_FILE_EXTENSIONS,
-    ConvertedLibrary,
-    IncompatiblePlatform,
-    InvalidLibrary,
-    LibraryBackend,
-    _url_or_none,
-    check_library_data,
-    collect_filtered_files,
-    convert_libraries,
-    ensure_list,
-    is_lib_ignored,
-    lex_build_flags,
-    lib_ignore_set,
-    normalize_dependencies,
-    parse_library_json,
-    parse_library_properties,
-    warn_properties_depends,
-)
-
-_LOGGER = logging.getLogger(__name__)
-
-
-@dataclass
-class ArduinoLibrary:
-    """One resolved library, ready for the ninja generator."""
-
-    name: str
-    sources: list[Path] = field(default_factory=list)
-    include_dirs: list[Path] = field(default_factory=list)
-    # Extra compile flags private to this library's own sources
-    flags: list[str] = field(default_factory=list)
-    # PlatformIO's build.libArchive / Arduino's dot_a_linkage: when False the
-    # objects go to the linker directly (symbols nothing references survive)
-    lib_archive: bool = True
-    # Link inputs the library contributes (-L dirs / -l libs, e.g. from
-    # precompiled vendor blobs) and -Wl, options for the firmware link
-    link_dirs: list[Path] = field(default_factory=list)
-    link_libs: list[str] = field(default_factory=list)
-    link_flags: list[str] = field(default_factory=list)
-
-
-# Source-like suffixes the case-sensitive suffix map rejects
-_UNMAPPED_SOURCE_SUFFIXES = frozenset(
-    {s.lower() for s in SRC_FILE_EXTENSIONS} | {".ino"}
-)
-
-# Filename-plain names: an allowlist excludes separators, drive colons,
-# and dot-only names by shape
-_SAFE_LIBRARY_NAME_RE = re.compile(r"[A-Za-z0-9_][A-Za-z0-9_. +-]*\Z")
-
-
-def _is_safe_library_name(name: object) -> bool:
-    """Whether a name may be joined under the framework's libraries dir."""
-    return isinstance(name, str) and _SAFE_LIBRARY_NAME_RE.fullmatch(name) is not None
-
-
-def _manifest_build(name: str, data: object) -> dict:
-    """The manifest's ``build`` section; malformed manifests fail by name."""
-    build = data.get("build", {}) if isinstance(data, dict) else None
-    if not isinstance(build, dict):
-        raise EsphomeError(f"Library {name} has a malformed manifest")
-    return build
-
-
-def _resolve_src_dir(name: str, read_path: Path, build: dict) -> str:
-    """Resolve PIO's source dir: manifest srcDir, else src/Src, else the root."""
-    if "srcDir" not in build:
-        return next((d for d in ("src", "Src") if (read_path / d).is_dir()), ".")
-    # A declared srcDir (falsy included) that does not resolve is a manifest error
-    src_dir = build["srcDir"]
-    if not (isinstance(src_dir, str) and src_dir and (read_path / src_dir).is_dir()):
-        raise EsphomeError(
-            f"Library {name} declares srcDir {src_dir!r} which does not exist"
-        )
-    return src_dir
-
-
-def _reject_unsupported_link_fields(name: str, data: dict) -> None:
-    # PIO honors these; ignoring them would fail at link with no stated
-    # cause. Property values are strings, so "false" is not a declaration.
-    precompiled = data.get("precompiled")
-    if precompiled and str(precompiled).strip().lower() != "false":
-        raise EsphomeError(
-            f"Library {name} declares precompiled, which this backend does not support"
-        )
-    if data.get("ldflags"):
-        raise EsphomeError(
-            f"Library {name} declares ldflags, which this backend does not support"
-        )
-
-
-def _resolve_lib_archive(name: str, data: dict, build: dict) -> bool:
-    """build.libArchive, else dot_a_linkage (an Arduino IDE property PIO
-    ignores; a deliberate extra), else archive."""
-
-    # Strict parse: bool("false") is True
-    def _parse(key: str, raw: object) -> bool:
-        if isinstance(raw, bool):
-            return raw
-        value = str(raw).strip().lower()
-        if value in ("true", "false"):
-            return value == "true"
-        raise EsphomeError(f"Library {name} has a malformed {key} value {raw!r}")
-
-    if "libArchive" in build:
-        return _parse("libArchive", build["libArchive"])
-    if "dot_a_linkage" in data:
-        return _parse("dot_a_linkage", data["dot_a_linkage"])
-    return True
-
-
-def _classify_build_flags(
-    name: str, read_path: Path, lib: ArduinoLibrary, flag_tokens: list[str]
-) -> list[str]:
-    """Route the lexed build.flags into the library's flag lists.
-
-    Returns the ``-I`` arguments for the include-dir resolution.
-    """
-    include_flags: list[str] = []
-    for tok in flag_tokens:
-        if tok.startswith("-I"):
-            include_flags.append(tok[2:])
-        elif tok.startswith("-L"):
-            link_dir = (read_path / tok[2:]).resolve()
-            if not link_dir.is_dir():
-                # Kept (the linker ignores missing -L dirs); the warning
-                # names the culprit before a bare "cannot find -lfoo"
-                _LOGGER.warning(
-                    "Library %s declares library dir %s which does not exist",
-                    name,
-                    tok[2:],
-                )
-            lib.link_dirs.append(link_dir)
-        elif tok.startswith("-l"):
-            lib.link_libs.append(tok[2:])
-        elif tok.startswith("-Wl,"):
-            lib.link_flags.append(tok)
-        else:
-            lib.flags.append(tok)
-    return include_flags
-
-
-def _resolve_include_dirs(
-    name: str,
-    read_path: Path,
-    lib: ArduinoLibrary,
-    build: dict,
-    src_dir: str,
-    include_flags: list[str],
-) -> None:
-    include_dir = build.get("includeDir", DEFAULT_BUILD_INCLUDE_DIR)
-    if not isinstance(include_dir, str):
-        raise EsphomeError(f"Library {name} has a malformed includeDir")
-    for d, explicit in [
-        (include_dir, "includeDir" in build),
-        (src_dir, False),  # _resolve_src_dir already validated it
-        *((flag, True) for flag in include_flags),
-    ]:
-        if (path := (read_path / d)).is_dir():
-            lib.include_dirs.append(path.resolve())
-        elif explicit:
-            # Warn-and-drop (unlike srcDir): a missing include dir is
-            # harmless until a header is needed, and the compile names it
-            _LOGGER.warning(
-                "Library %s declares include dir %s which does not exist", name, d
-            )
-
-
-def _collect_lib_sources(
-    name: str,
-    read_path: Path,
-    lib: ArduinoLibrary,
-    src_dir: str,
-    src_filter: list[str],
-) -> None:
-    sources: list[Path] = []
-    dropped: list[str] = []
-    saw_header = False
-    for f in collect_filtered_files(read_path / src_dir, src_filter):
-        path = Path(f)
-        suffix = path.suffix
-        if suffix in SRC_FILE_EXTENSIONS:
-            # resolve() per file: srcFilter patterns may escape src_dir
-            sources.append(path.resolve())
-        elif suffix.lower() in _UNMAPPED_SOURCE_SUFFIXES:
-            # A source-like suffix the case-sensitive map rejects (.CPP,
-            # .ino) is a dropped compilation unit; headers fall through
-            dropped.append(path.name)
-        elif suffix.lower() in LIBRARY_HEADER_SUFFIXES:
-            saw_header = True
-    lib.sources = sorted(sources)
-    if dropped:
-        _LOGGER.warning(
-            "Library %s: %d file(s) with unmapped source suffixes are not compiled: %s",
-            name,
-            len(dropped),
-            ", ".join(sorted(dropped)),
-        )
-    if not lib.sources and not saw_header:
-        # Matched headers mean header-only; a filter matching nothing is
-        # a manifest/tree problem (a truly empty tree raises elsewhere)
-        _LOGGER.warning("Library %s: no source files matched", name)
-
-
-def _library_info(name: str, read_path: Path, data: dict) -> ArduinoLibrary:
-    """Resolve one library's sources, include dirs, and flags (PIO semantics)."""
-    build = _manifest_build(name, data)
-    _reject_unsupported_link_fields(name, data)
-    src_dir = _resolve_src_dir(name, read_path, build)
-    src_filter = ensure_list(build.get("srcFilter", DEFAULT_BUILD_SRC_FILTER))
-    if not all(isinstance(entry, str) for entry in src_filter):
-        raise EsphomeError(f"Library {name} has a malformed srcFilter")
-    lib = ArduinoLibrary(name=name, lib_archive=_resolve_lib_archive(name, data, build))
-    # PlatformIO shell-lexes each build.flags entry
-    include_flags = _classify_build_flags(
-        name, read_path, lib, lex_build_flags(build.get("flags", []), f"library {name}")
-    )
-    _resolve_include_dirs(name, read_path, lib, build, src_dir, include_flags)
-    _collect_lib_sources(name, read_path, lib, src_dir, src_filter)
-    return lib
-
-
-def _bundled_library(framework_path: Path, name: str) -> ArduinoLibrary:
-    """A library bundled with the Arduino core, read from the framework tree.
-
-    ``library.json`` wins over ``library.properties`` when both exist, as in
-    PlatformIO's LibBuilderFactory; only the JSON manifest can carry a
-    ``build`` section (srcDir, srcFilter, flags).
-    """
-    lib_dir = framework_path / "libraries" / name
-    manifest_json = lib_dir / "library.json"
-    if manifest_json.is_file():
-        try:
-            data = parse_library_json(manifest_json)
-        except ValueError as err:  # JSONDecodeError
-            raise EsphomeError(
-                f"Bundled library {name} has a corrupt library.json ({err}); "
-                "the framework install may be incomplete (run 'esphome clean-all')"
-            ) from err
-    elif (manifest := lib_dir / "library.properties").is_file():
-        data = parse_library_properties(manifest)
-    else:
-        # Debug, not warning: the legacy manifest-less layout is legal and
-        # the 3.1.2 core ships one such library (FSTools), so a warning
-        # would be unactionable noise on every build using it
-        _LOGGER.debug("Bundled library %s has no manifest; using defaults", name)
-        data = {}
-    if isinstance(data, dict):
-        # Bundled manifest deps are never walked; make the skip visible
-        if data.get("dependencies"):
-            _LOGGER.warning(
-                "Bundled library %s declares dependencies, which are not "
-                "resolved automatically; add them with add_library() if needed",
-                name,
-            )
-        warn_properties_depends(name, data)
-        build = data.get("build")
-        if isinstance(build, dict) and build.get("extraScript"):
-            # Scripts only run on the converted path; building without
-            # the script's flags would miscompile
-            raise EsphomeError(
-                f"Bundled library {name} declares an extraScript, which is "
-                "not run for bundled libraries"
-            )
-    lib = _library_info(name, lib_dir, data)
-    _assert_tree_has_code(
-        name,
-        lib_dir,
-        "the framework install may be incomplete (run 'esphome clean-all')",
-    )
-    return lib
-
-
-def _assert_tree_has_code(name: str, root: Path, hint: str) -> None:
-    """An empty or half-extracted tree can never link; fail by name (a
-    warning would scroll away and resurface as undefined symbols)."""
-    if not any(
-        Path(p).suffix in SRC_FILE_EXTENSIONS
-        or Path(p).suffix.lower() in LIBRARY_HEADER_SUFFIXES
-        for p in walk_files(root)
-    ):
-        raise EsphomeError(f"Library {name} has no sources or headers; {hint}")
-
-
-def _external_short_name(name: str) -> str:
-    """The short library name of a requested spec.
-
-    "owner/Name" and plain names take the last path segment; "Name=<url>"
-    takes the declared name. Git tails (".git", "#ref") are stripped like
-    the walk's URL normalization; the comparand is a manifest dependency
-    name, never a spec.
-    """
-    head, sep, tail = name.partition("=")
-    if sep and "://" in tail:
-        return head
-    short = name.rsplit("/", maxsplit=1)[-1]
-    return short.partition("#")[0].removesuffix(".git")
-
-
-def _check_unfulfilled_provides(
-    provided_requests: set[str], satisfied: set[str], still_requested: set[str]
-) -> None:
-    """Fail by name when a walk-skipped dependency was never added.
-
-    An unfulfilled provides() promise only surfaces as undefined symbols
-    at link. The walk records across re-resolutions, so a name no final
-    manifest still requests is stale state, never a failure.
-    """
-    if missing := sorted((provided_requests & still_requested) - satisfied):
-        raise EsphomeError(
-            "provides() skipped these dependencies but nothing added them: "
-            f"{', '.join(missing)}; the build is missing libraries"
-        )
-
-
-def resolve_libraries(
-    framework_path: Path, *, pio_platform: str, board_mcu: str, cache_key: str
-) -> list[ArduinoLibrary]:
-    """Resolve every ``cg.add_library()`` entry into an :class:`ArduinoLibrary`.
-
-    ``pio_platform``/``board_mcu`` filter manifests the way PlatformIO would
-    for that core (e.g. ``espressif8266``/``esp8266``); ``cache_key`` keys the
-    shared converter's download cache.
-
-    The returned list is not topologically sorted, so the caller must link
-    the archives inside one ``--start-group``/``--end-group`` pair (the
-    bundled-first grouping is incidental).
-    """
-    bundled: list[ArduinoLibrary] = []
-    external: list[Library] = []
-    # PlatformIO's lib_ignore covers framework-bundled libraries too; the
-    # shared converter only filters the registry/git ones.
-    lib_ignore = lib_ignore_set()
-    # Exact directory names keep membership case-sensitive everywhere
-    # (an is_dir() probe would match "wire" on macOS/Windows and build
-    # the bundled Wire twice)
-    libraries_dir = framework_path / "libraries"
-    if not libraries_dir.is_dir():
-        # A registry fallback would fail later with a misleading
-        # package-not-found error per bundled name
-        raise EsphomeError(
-            f"{libraries_dir} is missing; the framework install may be "
-            "incomplete (run 'esphome clean-all')"
-        )
-    bundled_dir_names = frozenset(p.name for p in libraries_dir.iterdir() if p.is_dir())
-
-    def _provided(name: object) -> bool:
-        return _is_safe_library_name(name) and name in bundled_dir_names
-
-    for library in CORE.platformio_libraries.values():
-        if is_lib_ignored(library.name, lib_ignore):
-            continue
-        # Bundled only for a bare name with a matching framework dir; pinned
-        # or unmatched names resolve from the registry, as under PlatformIO.
-        if not library.repository and not library.version and _provided(library.name):
-            # Bundled manifest deps are not walked; _bundled_library warns
-            bundled.append(_bundled_library(framework_path, library.name))
-        else:
-            external.append(library)
-
-    converted: list[ArduinoLibrary] = []
-    bundled_names = {lib.name for lib in bundled}
-    converted_manifest_names: set[str] = set()
-    # Bundled candidates skipped on purpose (platform filter); the
-    # provides() reconciliation must count them as satisfied
-    knowingly_skipped: set[str] = set()
-    # Dependency names of the manifests actually emitted; a walk recording
-    # for a since-re-resolved manifest must not fail the reconciliation
-    final_dep_names: set[str] = set()
-    # Ordered set of bundled dependency names to add once conversion is done
-    pending_bundled: dict[str, None] = {}
-    # Deps matching a separately-requested external are already in the build
-    # (a duplicate archive means duplicate-symbol link errors)
-    external_short_names = {
-        _external_short_name(lib.name) for lib in external if lib.name
-    }
-
-    def _add_bundled_dependencies(component: ConvertedLibrary) -> None:
-        # A version-less bare name ("Hash") is a core-bundled library the
-        # shared converter cannot resolve from the registry
-        for dep in normalize_dependencies(
-            component.data.get("dependencies"), component.name
-        ):
-            # normalize_dependencies guarantees a non-empty str name
-            name = dep["name"]
-            final_dep_names.add(name)
-            if "/" in name:
-                owner, _, pkg = name.partition("/")
-                if _is_safe_library_name(owner) and _is_safe_library_name(pkg):
-                    # Owner-qualified; the converter resolves it from the registry
-                    continue
-            if not _is_safe_library_name(name):
-                # The name becomes a path component; never join a traversal
-                _LOGGER.warning(
-                    "Ignoring malformed dependency entry %r of library %s",
-                    dep,
-                    component.name,
-                )
-                continue
-            if name in external_short_names:
-                if _provided(name):
-                    # A bundled copy is suppressed; a coincidental name
-                    # collision would surface as link errors
-                    _LOGGER.warning(
-                        "Dependency %s of %s is assumed satisfied by a "
-                        "requested external library; the bundled copy is "
-                        "not added",
-                        name,
-                        component.name,
-                    )
-                else:
-                    _LOGGER.debug(
-                        "Dependency %s of %s assumed satisfied by a requested "
-                        "external library",
-                        name,
-                        component.name,
-                    )
-                continue
-            if name in bundled_names or is_lib_ignored(name, lib_ignore):
-                continue
-            if _url_or_none(dep.get("version")) is not None:
-                # A URL names one specific source; never add the bundled copy
-                continue
-            if dep.get("owner") or not _provided(name):
-                # Only owner-less framework-tree names take the bundled
-                # copy (PIO's process_dependencies); the walk reports drops
-                continue
-            try:
-                # framework=None: the walk already warned for non-platform
-                # causes; debug keeps one fault from warning twice (pinned
-                # by test_nonplatform_rejection_warns_once_through_real_converter)
-                check_library_data(dep, pio_platform, None)
-            except IncompatiblePlatform as err:
-                # A knowing skip (platform filter), not a broken promise
-                knowingly_skipped.add(name)
-                _LOGGER.debug("Skip bundled candidate %s: %s", name, err)
-                continue
-            except InvalidLibrary as err:
-                # Malformed manifest data never counts as satisfied; the
-                # walk owns the warning (see the warns-once test above)
-                _LOGGER.debug("Skip malformed bundled candidate %s: %s", name, err)
-                continue
-            # Deferred: a later manifest name may satisfy this
-            pending_bundled.setdefault(name)
-
-    def _emit(component: ConvertedLibrary) -> None:
-        apply_extra_script(
-            component, board_mcu=lambda: board_mcu, pio_platform=pio_platform
-        )
-        _assert_tree_has_code(
-            component.get_require_name(),
-            component.source_dir,
-            "the download may be incomplete (run 'esphome clean-all')",
-        )
-        if isinstance(manifest_name := component.data.get("name"), str):
-            converted_manifest_names.add(manifest_name)
-        lib = _library_info(
-            component.get_require_name(), component.source_dir, component.data
-        )
-        # Extra-script LINKFLAGS travel outside build.flags; dropping
-        # them would link wrong with no stated cause
-        lib.link_flags.extend(
-            component.data.get(ESPHOME_DATA_KEY, {}).get(
-                ESPHOME_DATA_LINK_FLAGS_KEY, []
-            )
-        )
-        converted.append(lib)
-        _add_bundled_dependencies(component)
-
-    backend = LibraryBackend(
-        platform=pio_platform,
-        framework="arduino",
-        emit=_emit,
-        cache_key=cache_key,
-        # The walk must not resolve bundled names from the registry;
-        # _add_bundled_dependencies adds them after emit
-        provides=_provided,
-    )
-    if external:
-        convert_libraries(external, backend)
-    for name in pending_bundled:
-        if name in converted_manifest_names:
-            # The converted library is this one; the bundled copy would
-            # double the archive. Warn like the external_short_names twin.
-            _LOGGER.warning(
-                "Dependency %s is assumed satisfied by a converted library's "
-                "manifest name; the bundled copy is not added",
-                name,
-            )
-            continue
-        bundled_names.add(name)
-        bundled.append(_bundled_library(framework_path, name))
-
-    _check_unfulfilled_provides(
-        backend.provided_requests,
-        bundled_names
-        | converted_manifest_names
-        | external_short_names
-        | knowingly_skipped,
-        final_dep_names,
-    )
-
-    return bundled + converted
@@ -1,9 +0,0 @@
-"""Native (PlatformIO-free) build support for the ESP8266 Arduino core.
-
-This package downloads the Arduino ESP8266 core and the xtensa-lx106
-toolchain, generates a ninja build for them plus the ESPHome sources, and
-drives the build directly — the ESP8266 equivalent of ``esphome.espidf``.
-
-Deliberately importable without the esp8266 component to avoid circular
-imports; the component wires these modules in via lazy imports.
-"""
@@ -1,164 +0,0 @@
-"""Download and install the Arduino ESP8266 core, toolchain, and ninja.
-
-Artifacts land in a machine-global cache (shared across projects, like the
-ESP-IDF install in ``esphome.espidf.framework``):
-
-    <cache>/arduino8266/frameworks/<version>/   framework-arduinoespressif8266
-    <cache>/arduino8266/toolchains/<version>/   toolchain-xtensa (gcc 10.3)
-
-Packages come from the PlatformIO registry (identical bits to the PlatformIO
-backend); ``ESPHOME_ARDUINO8266_*_MIRRORS`` overrides the URLs. ninja comes
-from PATH or the ninja PyPI wheel.
-"""
-
-from __future__ import annotations
-
-import os
-from pathlib import Path
-from typing import NamedTuple
-
-from esphome.build_helpers.ccache import ccache_defaults_env
-from esphome.build_helpers.ninja import find_ninja
-from esphome.build_helpers.tools_cache import ARDUINO8266_TOOLS_CACHE, tools_cache_path
-from esphome.core import EsphomeError, Version
-from esphome.framework_helpers import str_to_lst_of_str
-from esphome.platformio.registry import install_package, prefetch_packages
-
-FRAMEWORK_PACKAGE = "framework-arduinoespressif8266"
-TOOLCHAIN_PACKAGE = "toolchain-xtensa"
-# gcc 10.3, the toolchain Arduino core 3.x builds with; the build
-# generator's compile flags are tuned to it.
-TOOLCHAIN_VERSION = "2.100300.220621"
-
-ESPHOME_ARDUINO8266_FRAMEWORK_MIRRORS = str_to_lst_of_str(
-    os.environ.get("ESPHOME_ARDUINO8266_FRAMEWORK_MIRRORS", "")
-)
-ESPHOME_ARDUINO8266_TOOLCHAIN_MIRRORS = str_to_lst_of_str(
-    os.environ.get("ESPHOME_ARDUINO8266_TOOLCHAIN_MIRRORS", "")
-)
-
-
-def get_arduino8266_tools_path() -> Path:
-    # Machine-global so all projects share one install; see
-    # espidf.framework.get_idf_tools_path for the location rationale.
-    return tools_cache_path(*ARDUINO8266_TOOLS_CACHE)
-
-
-# 3.1.1 rather than 3.1.0: the registry has no package for 3.1.0, and the
-# encoder below cannot name 3.0.0/3.0.1 either (see its docstring)
-MIN_FRAMEWORK_VERSION = Version(3, 1, 1)
-
-
-def framework_package_version(ver: Version) -> str:
-    """Map an Arduino core version to its registry package version (3.1.2 ->
-    3.30102.0; the leading 3 is the package major).
-
-    Exact registry names only for cores > 2.6.2 and >= 3.0.2; callers floor
-    at MIN_FRAMEWORK_VERSION.
-    """
-    if ver.major > 3:
-        raise EsphomeError(
-            f"Arduino core {ver} is not supported yet; "
-            "the newest known core series is 3.x"
-        )
-    if ver <= Version(2, 6, 2):
-        # Cores <= 2.6.2 use the older 1.x/2.x package-major encodings (same
-        # boundary as _format_framework_arduino_version's era guard)
-        raise EsphomeError(
-            f"Arduino core {ver} uses an older package encoding than this "
-            "helper implements (newer than 2.6.2)"
-        )
-    return f"3.{ver.major}{ver.minor:02d}{ver.patch:02d}.0"
-
-
-def get_framework_path(package_version: str) -> Path:
-    return get_arduino8266_tools_path() / "frameworks" / package_version
-
-
-def get_toolchain_path() -> Path:
-    return get_arduino8266_tools_path() / "toolchains" / TOOLCHAIN_VERSION
-
-
-class InstalledPaths(NamedTuple):
-    """Locations of the installed framework, toolchain, and ninja binary."""
-
-    framework: Path
-    toolchain: Path
-    ninja: Path
-
-
-def check_and_install(framework_version: Version) -> InstalledPaths:
-    """Ensure framework, toolchain, and ninja are installed; return their paths."""
-    if framework_version < MIN_FRAMEWORK_VERSION:
-        # Config validation enforces this too; keep the module honest when
-        # called directly.
-        raise EsphomeError(
-            f"The native toolchain requires the Arduino core "
-            f">= {MIN_FRAMEWORK_VERSION}, got {framework_version}"
-        )
-    # Probe the cheap local dependency before ~110 MB of downloads
-    ninja_path = find_ninja()
-    package_version = framework_package_version(framework_version)
-    framework_path = get_framework_path(package_version)
-    downloads_dir = get_arduino8266_tools_path() / "downloads"
-    toolchain_path = get_toolchain_path()
-    # One spec per package: the prefetch and the installs must agree
-    specs = (
-        (
-            FRAMEWORK_PACKAGE,
-            package_version,
-            framework_path,
-            ESPHOME_ARDUINO8266_FRAMEWORK_MIRRORS,
-            ("cores/esp8266", "tools/sdk", "libraries"),
-        ),
-        (
-            TOOLCHAIN_PACKAGE,
-            TOOLCHAIN_VERSION,
-            toolchain_path,
-            ESPHOME_ARDUINO8266_TOOLCHAIN_MIRRORS,
-            # xtensa-lx106-elf pins the target: every gcc package has a bin/
-            ("bin", "xtensa-lx106-elf"),
-        ),
-    )
-    # Fetch both archives at once; the installs below verify and extract
-    prefetch_packages([spec[:4] for spec in specs], downloads_dir)
-    for name, version, dest, mirrors, expect in specs:
-        install_package(name, version, dest, mirrors, downloads_dir, expect=expect)
-    return InstalledPaths(
-        framework=framework_path, toolchain=toolchain_path, ninja=ninja_path
-    )
-
-
-def toolchain_tool(toolchain_path: Path, name: str) -> Path:
-    """Path to one toolchain tool (gcc, g++, ar, size, addr2line, ...).
-
-    The single owner of the ``bin/xtensa-lx106-elf-<name>`` layout and the
-    Windows suffix, so a toolchain package bump touches one spot.
-    """
-    suffix = ".exe" if os.name == "nt" else ""
-    return toolchain_path / "bin" / f"xtensa-lx106-elf-{name}{suffix}"
-
-
-def get_build_env(toolchain_path: Path, ccache: str | None) -> dict[str, str]:
-    env = os.environ.copy()
-    # Drop empty entries: a trailing separator from an absent PATH would
-    # make the shell search the current directory for tools
-    parts = [
-        str(toolchain_path / "bin"),
-        *filter(None, env.get("PATH", "").split(os.pathsep)),
-    ]
-    env["PATH"] = os.pathsep.join(parts)
-    env.update(ccache_env(ccache))
-    return env
-
-
-def ccache_env(ccache: str | None) -> dict[str, str]:
-    """Return ccache settings for the build subprocess (not os.environ).
-
-    ``ccache`` is the pre-resolved binary (resolve_ccache_path), or None
-    when disabled. Values the user already set in the environment are
-    respected.
-    """
-    if ccache is None:
-        return {}
-    return ccache_defaults_env(get_arduino8266_tools_path() / "ccache")
@@ -11,136 +11,43 @@ from __future__ import annotations

 import asyncio
 from collections.abc import Awaitable, Callable
-from itertools import count
-import logging
 import threading
-from typing import cast
-
-_LOGGER = logging.getLogger(__name__)
-
-# How long the orphan watcher waits for an abandoned coroutine before giving
-# up, so a hung operation does not park a watcher thread forever.
-ORPHAN_WAIT_TIMEOUT = 300.0
-
-
-_runner_ids = count(1)
-
-
-class AsyncDispatchTimeout(TimeoutError):
-    """The caller stopped waiting; the coroutine was abandoned.
-
-    A subclass so callers can tell the dispatcher's own expiry apart from a
-    ``TimeoutError`` raised inside the coroutine, while existing
-    ``except TimeoutError`` handlers keep working.
-    """


 class AsyncThreadRunner[T](threading.Thread):
    """Run an async coroutine in a daemon thread and expose its result.

-    ``event`` is always set, even when the coroutine crashes, so waiters
-    never hang; ``completed`` distinguishes a delivered result (even a
-    legitimate ``None``) from a coroutine that never finished. Prefer
-    :func:`run_async`; use this class directly only when a failure should
-    degrade to a default value instead of raising.
+    The runner catches all exceptions from the coroutine and stores them in
+    ``exception`` so ``event`` is always set — this prevents callers waiting
+    on ``event`` from hanging forever when the coroutine crashes.
+
+    Typical usage::
+
+        runner = AsyncThreadRunner(lambda: my_coro(arg))
+        runner.start()
+        if not runner.event.wait(timeout=5.0):
+            ...  # timed out
+        if runner.exception is not None:
+            raise runner.exception
+        result = runner.result
    """

    def __init__(self, coro_factory: Callable[[], Awaitable[T]]) -> None:
-        super().__init__(daemon=True, name=f"async-thread-runner-{next(_runner_ids)}")
+        super().__init__(daemon=True)
        self._coro_factory = coro_factory
        self.result: T | None = None
        self.exception: BaseException | None = None
-        self.completed = False
        self.event = threading.Event()

    async def _runner(self) -> None:
        try:
            self.result = await self._coro_factory()
-            # Distinguishes a delivered result from "never ran", since None
-            # is a valid result value.
-            self.completed = True
-        except BaseException as exc:  # noqa: BLE001  # pylint: disable=broad-except
-            # Capture everything, including BaseException — otherwise a
-            # cancellation or SystemExit would leave ``exception`` unset and
-            # waiters would mistake the empty ``result`` for success.
+        except Exception as exc:  # noqa: BLE001  # pylint: disable=broad-except
+            # Capture all exceptions so ``event`` is always set — otherwise a
+            # crash would hang the waiter forever.
            self.exception = exc
        finally:
            self.event.set()

    def run(self) -> None:
-        try:
-            asyncio.run(self._runner())
-        except BaseException as exc:  # noqa: BLE001  # pylint: disable=broad-except
-            # asyncio.run itself can fail before _runner executes (e.g. loop
-            # creation under fd exhaustion); record it so waiters never hang.
-            # A failure during loop cleanup after the coroutine completed
-            # must not clobber the delivered result, hence the guard.
-            if self.exception is None and not self.completed:
-                self.exception = exc
-            else:
-                _LOGGER.debug(
-                    "Event loop teardown failed after outcome recorded",
-                    exc_info=True,
-                )
-        finally:
-            self.event.set()
-
-
-def run_async[T](
-    coro_factory: Callable[[], Awaitable[T]],
-    timeout: float | None = None,
-    on_orphan: Callable[[T], None] | None = None,
-) -> T:
-    """Run a coroutine in a daemon-thread event loop and return its result.
-
-    Raises :class:`AsyncDispatchTimeout` if the coroutine does not finish
-    within ``timeout`` seconds; the thread is abandoned and exits with the
-    interpreter. If the abandoned coroutine later produces a result,
-    ``on_orphan`` (if given) is called with it so resources such as a
-    connected socket can be released; delivery is best effort and bounded
-    by ``ORPHAN_WAIT_TIMEOUT``.
-    """
-    runner: AsyncThreadRunner[T] = AsyncThreadRunner(coro_factory)
-    runner.start()
-    if not runner.event.wait(timeout):
-
-        def _cleanup() -> None:
-            if not runner.event.wait(ORPHAN_WAIT_TIMEOUT):
-                # The one state where a resource can genuinely leak; leave
-                # a trace so a recurring hang is attributable.
-                _LOGGER.info(
-                    "Orphan watcher gave up after %.0fs; a late result may leak",
-                    ORPHAN_WAIT_TIMEOUT,
-                )
-                return
-            if not runner.completed:
-                # The only place an abandoned thread's real error surfaces;
-                # without it a late failure hides behind the TimeoutError.
-                # INFO, not DEBUG: it fires at most once per abandoned
-                # operation and the cause may not reproduce on a rerun.
-                _LOGGER.info(
-                    "Abandoned async operation failed",
-                    exc_info=runner.exception,
-                )
-                return
-            if (result := runner.result) is None:
-                return
-            if on_orphan is None:
-                _LOGGER.debug("Discarding late result; no on_orphan handler")
-                return
-            try:
-                on_orphan(result)
-            except Exception:  # pylint: disable=broad-except
-                # INFO, not DEBUG: a failed release means a real leak, and
-                # it fires at most once per abandoned operation.
-                _LOGGER.info("Error releasing orphaned result", exc_info=True)
-
-        threading.Thread(
-            target=_cleanup, daemon=True, name="async-orphan-cleanup"
-        ).start()
-        raise AsyncDispatchTimeout("Timed out waiting for async operation")
-    if (exc := runner.exception) is not None:
-        raise exc
-    if not runner.completed:
-        raise RuntimeError("Async operation finished without a result or an exception")
-    return cast("T", runner.result)
+        asyncio.run(self._runner())
@@ -1,108 +0,0 @@
-"""Tiny cross-platform build steps invoked from the generated ninja file.
-
-Plain script (not ``python -m``): it runs from ninja with whatever Python
-started esphome and must not depend on the package being importable.
-
-Subcommands:
-    ar <ar-binary> <archive> <rspfile>   remove stale archive, then ``ar rcs``
-    copy <src> <dst>                     copy a file
-
-The ar rspfile carries one object path per line (the generating rule must
-use ``$in_newline``, never ``$in``).
-"""
-
-from pathlib import Path
-import shutil
-import subprocess
-import sys
-
-
-def _read_rspfile(rspfile: str) -> list[str]:
-    r"""The object paths listed in ``rspfile``, unquoted.
-
-    GNU ar treats backslashes in response files as escapes (corrupts
-    Windows paths), so the caller expands the list into argv; strip the
-    simple surrounding quote ninja adds to special paths, then undo
-    ninja's POSIX escape for an embedded quote ('a'\\''b.o' -> a'b.o).
-    """
-    return [
-        line[1:-1].replace("'\\''", "'")
-        if len(line) >= 2 and line[0] == line[-1] and line[0] in "'\""
-        else line
-        for line in Path(rspfile).read_text(encoding="utf-8").splitlines()
-        if line
-    ]
-
-
-def _run_ar(ar: str, archive: str, rspfile: str) -> int:
-    # Remove first: ``ar rcs`` replaces members but never drops ones whose
-    # source was removed from the build, which would leak stale objects.
-    Path(archive).unlink(missing_ok=True)
-    objects = _read_rspfile(rspfile)
-    if not objects:
-        # An empty archive would "succeed" here and fail far away at link
-        print(f"ar: no objects listed in {rspfile} for {archive}", file=sys.stderr)
-        return 1
-    # Batch by argv length: expanding the rspfile gives back the Windows
-    # 32767-char command-line limit it existed to avoid. "rcs" creates,
-    # "qs" appends; the s keeps the symbol index explicit on every ar.
-    op = "rcs"
-    ok = False
-    try:
-        while objects:
-            batch = [objects.pop(0)]
-            batch_len = len(batch[0])
-            while objects and batch_len + len(objects[0]) < 25000:
-                batch_len += len(objects[0]) + 1
-                batch.append(objects.pop(0))
-            rc = subprocess.run(
-                [ar, op, archive, *batch], check=False, close_fds=False
-            ).returncode
-            if rc != 0:
-                return rc
-            op = "qs"
-        ok = True
-        return 0
-    finally:
-        if not ok:
-            # Any failure (bad exit, missing ar binary, interrupt) must not
-            # leave a truncated archive behind
-            Path(archive).unlink(missing_ok=True)
-
-
-def _run_copy(src: str, dst: str) -> int:
-    try:
-        shutil.copyfile(src, dst)
-    except OSError as err:
-        # Never leave a partially written output (e.g. a firmware image);
-        # SameFileError means dst IS src, where unlinking destroys the input
-        if not isinstance(err, shutil.SameFileError):
-            Path(dst).unlink(missing_ok=True)
-        print(f"copy: {src} -> {dst} failed: {err}", file=sys.stderr)
-        return 1
-    return 0
-
-
-# mode -> (handler, expected operand count); surplus argv means a
-# mis-specified ninja rule and must error, not silently drop operands
-_MODES = {"ar": (_run_ar, 3), "copy": (_run_copy, 2)}
-
-
-def main() -> int:
-    mode = sys.argv[1] if len(sys.argv) > 1 else ""
-    if entry := _MODES.get(mode):
-        handler, argc = entry
-        args = sys.argv[2:]
-        if len(args) != argc:
-            print(
-                f"build_tool {mode}: expected {argc} arguments, got {len(args)}",
-                file=sys.stderr,
-            )
-            return 1
-        return handler(*args)
-    print(f"unknown build_tool mode: {mode}", file=sys.stderr)
-    return 1
-
-
-if __name__ == "__main__":  # pragma: no cover
-    sys.exit(main())
@@ -1,18 +1,11 @@
 """ESP-IDF direct build generator for ESPHome."""

 import json
-import logging
 from pathlib import Path

-from esphome.components.esp32 import (
-    get_esp32_variant,
-    get_excluded_builtin_components,
-    get_managed_component_require_names,
-    idf_version,
-)
+from esphome.components.esp32 import get_esp32_variant, idf_version
 import esphome.config_validation as cv
 from esphome.core import CORE
-from esphome.espidf import variant_to_idf_target
 from esphome.framework_helpers import (
    get_project_compile_flags,
    get_project_cxx_compile_flags,
@@ -20,8 +13,6 @@ from esphome.framework_helpers import (
 )
 from esphome.helpers import mkdir_p, write_file_if_changed

-_LOGGER = logging.getLogger(__name__)
-
 # Replaces the IDF default C++ standard (-std=gnu++2b appended to
 # CXX_COMPILE_OPTIONS by project.cmake's __build_init) with the one set via
 # cg.set_cpp_standard(). Emitted between include(project.cmake) and project(),
@@ -35,12 +26,11 @@ idf_build_set_property(CXX_COMPILE_OPTIONS "${{esphome_cxx_compile_options}}")""


 def get_available_components() -> list[str] | None:
-    """List the built-in ESP-IDF components from ``project_description.json``.
+    """Get list of built-in ESP-IDF components from project_description.json.

-    Only components below its ``idf_path/components`` count, which leaves out
-    ``src``, IDF-managed components, converted PIO libs and project local
-    ones such as the Arduino ``component_stubs``. Returns ``None`` if the
-    build dir or ``project_description.json`` isn't ready yet.
+    Excludes ``src``, IDF-managed components (``managed_components/``), and
+    converted PIO libs (``pio_components/``). Returns ``None`` if the build
+    dir or ``project_description.json`` isn't ready yet.
    """
    if CORE.build_path is None:
        return None
@@ -51,44 +41,41 @@ def get_available_components() -> list[str] | None:
    try:
        with project_desc.open(encoding="utf-8") as f:
            data = json.load(f)
-        root = (Path(data["idf_path"]) / "components").resolve()
-        result = [
-            name
-            for name, info in data.get("build_component_info", {}).items()
-            if (comp_dir := info.get("dir"))
-            and Path(comp_dir).resolve().is_relative_to(root)
-        ]
-    except (json.JSONDecodeError, KeyError, OSError) as err:
-        _LOGGER.debug("Could not read %s: %s", project_desc, err)
+
+        component_info = data.get("build_component_info", {})
+
+        result = []
+        for name, info in component_info.items():
+            # Exclude our own src component
+            if name == "src":
+                continue
+
+            # Exclude IDF-managed and converted-PIO components (external).
+            comp_dir = info.get("dir", "")
+            if "managed_components" in comp_dir or "pio_components" in comp_dir:
+                continue
+
+            result.append(name)
+
+        return result
+    except (json.JSONDecodeError, OSError):
        return None
-    if not result:
-        _LOGGER.warning("No ESP-IDF components found under %s", root)
-    return result


 def has_discovered_components() -> bool:
-    """Check if a previous configure discovered any built-in components."""
-    return bool(get_available_components())
+    """Check if we have discovered components from a previous configure."""
+    return get_available_components() is not None


-def _cmake_quote(value: str) -> str:
-    """Quote a cmake arg value for a set() line. add_cmake_arg rejects
-    whitespace, quotes, and '$', so only backslashes need escaping."""
-    escaped = value.replace("\\", "\\\\")
-    return f'"{escaped}"'
-
-
-def get_project_cmakelists(
-    minimal: bool = False, builtin_components: list[str] | None = None
-) -> str:
+def get_project_cmakelists(minimal: bool = False) -> str:
    """Generate the top-level CMakeLists.txt for ESP-IDF project.

    When ``minimal`` is true, omit ``ESPHOME_PROJECT_BUILTIN_COMPONENTS``
    since ``project_description.json`` may be stale on the first write.
-    ``builtin_components`` supplies the discovered list (from the cache)
-    instead of reading it from ``project_description.json``.
    """
-    idf_target = variant_to_idf_target(get_esp32_variant())
+    # Get IDF target from ESP32 variant (e.g., ESP32S3 -> esp32s3)
+    variant = get_esp32_variant()
+    idf_target = variant.lower().replace("-", "")

    # esp_idf_size 2.x (bundled with IDF >=6.0) made NG the default and
    # removed the --ng flag; on 1.x (IDF 5.5) --ng is required to get
@@ -122,15 +109,6 @@ def get_project_cmakelists(
        else ""
    )

-    # CMake variables registered via cg.add_cmake_arg(). Emitted before
-    # include(project.cmake) so values like EXCLUDE_COMPONENTS are already
-    # set when project.cmake seeds the component list, and on minimal
-    # (discovery) writes too so excluded components never register.
-    cmake_args = "\n".join(
-        f"set({name} {_cmake_quote(value)})"
-        for name, value in sorted(CORE.cmake_args.items())
-    )
-
    # Per-project list exposed as a CMake variable so converted PIO libs
    # can reference ${ESPHOME_PROJECT_MANAGED_COMPONENTS} without baking
    # project-specific names into their cached CMakeLists.
@@ -141,6 +119,8 @@ def get_project_cmakelists(
    # runs as a separate CMake script invocation that doesn't load the
    # project's top-level CMakeLists; without this, ${ESPHOME_PROJECT_
    # MANAGED_COMPONENTS} in a converted-lib REQUIRES expands to empty).
+    from esphome.components.esp32 import get_managed_component_require_names
+
    managed_components_property = "\n".join(
        f"idf_build_set_property(ESPHOME_PROJECT_MANAGED_COMPONENTS {name} APPEND)"
        for name in get_managed_component_require_names()
@@ -151,24 +131,12 @@ def get_project_cmakelists(
    # component's REQUIRES including real IDF components). Referenced by
    # src/CMakeLists and by each converted PIO lib's CMakeLists. Skipped
    # on minimal writes because project_description.json may be stale.
-    # Excluded components are dropped here as well: a stale
-    # project_description.json from a build without exclusions may still
-    # list them, and requiring an excluded component pulls it back into
-    # the build (IDF requirement expansion overrides EXCLUDE_COMPONENTS).
-    # Derived from the EXCLUDE_COMPONENTS cmake arg emitted above so the
-    # two can never disagree within one generated file.
    builtin_components_property = (
        ""
        if minimal
        else "\n".join(
            f"idf_build_set_property(ESPHOME_PROJECT_BUILTIN_COMPONENTS {name} APPEND)"
-            for name in sorted(
-                set(
-                    builtin_components
-                    if builtin_components is not None
-                    else get_available_components() or []
-                ).difference(CORE.cmake_args.get("EXCLUDE_COMPONENTS", "").split(";"))
-            )
+            for name in sorted(get_available_components() or [])
        )
    )

@@ -195,8 +163,6 @@ set(CMAKE_NINJA_FORCE_RESPONSE_FILE 1)
 set(IDF_TARGET {idf_target})
 set(EXTRA_COMPONENT_DIRS ${{CMAKE_SOURCE_DIR}}/src)

-{cmake_args}
-
 include($ENV{{IDF_PATH}}/tools/cmake/project.cmake)

 {cpp_standard_options}
@@ -282,9 +248,7 @@ target_link_options(${{COMPONENT_LIB}} PUBLIC
 """


-def write_project(
-    minimal: bool = False, builtin_components: list[str] | None = None
-) -> None:
+def write_project(minimal: bool = False) -> None:
    """Write ESP-IDF project files."""
    mkdir_p(CORE.build_path)
    mkdir_p(CORE.relative_src_path())
@@ -292,7 +256,7 @@ def write_project(
    # Write top-level CMakeLists.txt
    write_file_if_changed(
        CORE.relative_build_path("CMakeLists.txt"),
-        get_project_cmakelists(minimal=minimal, builtin_components=builtin_components),
+        get_project_cmakelists(minimal=minimal),
    )

    # Write component CMakeLists.txt in src/
@@ -300,13 +264,3 @@ def write_project(
        CORE.relative_src_path("CMakeLists.txt"),
        get_component_cmakelists(),
    )
-
-    # Snapshot the exclusion set so has_outdated_files() can trigger a
-    # discovery reconfigure when it changes. Excluded components never
-    # register in project_description.json, so re-including one (e.g. a
-    # config gains mqtt) requires a fresh discovery pass before the
-    # ESPHOME_PROJECT_BUILTIN_COMPONENTS property can list it.
-    write_file_if_changed(
-        CORE.relative_build_path("exclude_components.esphomeinternal"),
-        ";".join(get_excluded_builtin_components()),
-    )
@@ -63,17 +63,6 @@ def get_ini_content():
    # Add extra script for C++ flags
    CORE.add_platformio_option("extra_scripts", [f"pre:{CXX_FLAGS_FILE_NAME}"])

-    # Add CMake args. A user-supplied value (str or list) is deliberately
-    # replaced; this option was always overwritten at FINAL priority.
-    if CORE.cmake_args:
-        CORE.add_platformio_option(
-            "board_build.cmake_extra_args",
-            " ".join(
-                f"-D{name}={value}" for name, value in sorted(CORE.cmake_args.items())
-            ),
-            replace=True,
-        )
-
    content = "[platformio]\n"
    content += f"description = ESPHome {__version__}\n"

@@ -1 +0,0 @@
-"""Build helpers shared by the native (non-PlatformIO) toolchains."""
@@ -1,92 +0,0 @@
-"""Shared ccache policy for build backends: env-knob parsing, binary
-resolution, and default ``CCACHE_*`` values."""
-
-from __future__ import annotations
-
-import logging
-import os
-from pathlib import Path
-
-from esphome.framework_helpers import strip_win_long_path_prefix, tool_version_runs
-from esphome.helpers import FALSY_ENV_STRINGS, TRUTHY_ENV_STRINGS
-
-_LOGGER = logging.getLogger(__name__)
-
-
-def _ccache_runs(ccache: str) -> bool:
-    """Return True when the ``ccache`` found on PATH actually runs."""
-    return tool_version_runs(
-        ccache,
-        "Ignoring ccache at %s because it failed to run; compiling without ccache",
-    )
-
-
-def parse_enable_env(name: str) -> bool | None:
-    """Strictly parse an on/off environment knob; None when unset or invalid.
-
-    ``bool(str)`` truthiness would flip ``no``/``off`` to enabled, so only
-    1/true/yes/on and 0/false/no/off count; anything else warns and reads
-    as unset so the caller's default policy applies.
-    """
-    raw = os.environ.get(name)
-    if raw is None:
-        return None
-    lowered = raw.strip().lower()
-    if not lowered:
-        # ENV KNOB= (Docker/CI) has always read as a disable
-        return False
-    if lowered in TRUTHY_ENV_STRINGS:
-        return True
-    if lowered in FALSY_ENV_STRINGS:
-        return False
-    _LOGGER.warning("Ignoring unrecognized %s=%r; use 1 or 0", name, raw)
-    return None
-
-
-def resolve_ccache_path() -> str | None:
-    """The ccache binary to wrap compiles with, or None when disabled.
-
-    An explicit ``ESPHOME_CCACHE_ENABLE=1`` skips the runnability probe; the
-    Windows extended-length prefix is stripped before probing (#18399).
-    """
-    import shutil
-
-    explicit = parse_enable_env("ESPHOME_CCACHE_ENABLE")
-    if explicit is False:
-        return None
-    ccache = shutil.which("ccache")
-    if ccache is None:
-        if explicit:
-            _LOGGER.warning(
-                "ESPHOME_CCACHE_ENABLE is set but no ccache binary is on PATH; "
-                "compiling without ccache"
-            )
-        return None
-    ccache = strip_win_long_path_prefix(ccache)
-    if not explicit and not _ccache_runs(ccache):
-        return None
-    return ccache
-
-
-def ccache_defaults_env(cache_dir: Path) -> dict[str, str]:
-    """Default ``CCACHE_*`` values for a build subprocess (not os.environ).
-
-    Values the user already set in the environment are respected. Depend
-    mode is on: both native backends emit depfiles (-MMD / CMake), which
-    keeps cache-miss overhead low.
-    """
-    from esphome.core import CORE
-
-    # An unset build_path means the env was built before preload; fail loudly
-    # rather than silently drop CCACHE_BASEDIR.
-    if CORE.build_path is None:
-        raise ValueError(
-            "CORE.build_path must be set before constructing the build environment"
-        )
-    defaults = {
-        "CCACHE_DIR": str(cache_dir),
-        "CCACHE_NOHASHDIR": "true",
-        "CCACHE_DEPEND": "1",
-        "CCACHE_BASEDIR": str(Path(CORE.build_path).resolve()),
-    }
-    return {k: v for k, v in defaults.items() if k not in os.environ}
@@ -1,92 +0,0 @@
-"""Platform-neutral helpers for ninja-driven native builds."""
-
-from __future__ import annotations
-
-import logging
-import os
-from pathlib import Path
-import re
-import shutil
-
-from esphome.core import EsphomeError
-from esphome.framework_helpers import strip_win_long_path_prefix, tool_version_runs
-
-_LOGGER = logging.getLogger(__name__)
-
-
-def _ninja_runs(binary: str) -> bool:
-    """Whether the ninja found on PATH actually runs (see tool_version_runs)."""
-    return tool_version_runs(
-        binary,
-        "Ignoring ninja at %s because it failed to run; "
-        "falling back to the bundled wheel",
-    )
-
-
-def find_ninja() -> Path:
-    """Locate the ninja binary: a runnable PATH hit first, else the ninja
-    PyPI wheel."""
-    if binary := shutil.which("ninja"):
-        binary = strip_win_long_path_prefix(binary)
-        if _ninja_runs(binary):
-            return Path(binary)
-    import_error: ImportError | None = None
-    try:
-        import ninja
-    except ImportError as err:
-        import_error = err
-        wheel_binary = None
-    else:
-        wheel_binary = Path(ninja.BIN_DIR) / (
-            "ninja.exe" if os.name == "nt" else "ninja"
-        )
-    if wheel_binary is None or not wheel_binary.is_file():
-        raise EsphomeError(
-            "ninja not found on PATH or in the ninja package; reinstall the "
-            "esphome Python environment"
-        ) from import_error
-    return wheel_binary
-
-
-def escape(value: Path | str) -> str:
-    """Escape a path or token for a ninja file."""
-    return str(value).replace("$", "$$").replace(":", "$:").replace(" ", "$ ")
-
-
-def quote_arg(tok: str) -> str:
-    """Quote with the CreateProcess argv rule (as ``subprocess.list2cmdline``):
-    backslash runs double only before a quote. Windows-only; ``$`` must
-    already be doubled for ninja.
-    """
-    quoted = re.sub(r'(\\*)"', lambda m: m.group(1) * 2 + '\\"', tok)
-    quoted = re.sub(r"(\\+)\Z", lambda m: m.group(1) * 2, quoted)
-    return f'"{quoted}"'
-
-
-# Force-quote any token containing a character outside the shlex.quote-style
-# safe set: ninja hands POSIX commands to /bin/sh -c, so bare (, ;, <, *, `
-# and friends would be re-parsed as shell syntax.
-_NEEDS_QUOTE = re.compile(r"[^\w@%+=:,./-]")
-
-
-def shell_token(tok: str, force: bool = False) -> str:
-    """Re-quote a lexed token for the platform shell; ``force`` always quotes.
-
-    Single quotes on POSIX (/bin/sh), the argv rule on Windows
-    (CreateProcess). ``$`` is doubled first because ninja expands it before
-    the command reaches the shell.
-    """
-    tok = tok.replace("$", "$$")  # ninja would expand a bare $ to nothing
-    if not (force or not tok or _NEEDS_QUOTE.search(tok)):
-        return tok
-    # An empty token must become '' / "" or it vanishes from the argv
-    if os.name == "nt":
-        return quote_arg(tok)
-    # shlex.quote's rule; inlined because the $-doubled token must not be
-    # re-examined for safe characters
-    return "'" + tok.replace("'", "'\"'\"'") + "'"
-
-
-def quote_path(value: Path | str) -> str:
-    """Force-quote a path for the ninja command line (shell/CreateProcess)."""
-    return shell_token(str(value), force=True)
@@ -1,24 +0,0 @@
-"""The PlatformIO-format size bar shared by the native toolchains."""
-
-from __future__ import annotations
-
-
-def format_bar(used: int, total: int) -> str:
-    """Match PlatformIO's ``_format_availale_bytes`` (sic, pioupload.py) exactly."""
-    pct_raw = used / total if total else 0
-    blocks = 10
-    filled = min(int(round(blocks * pct_raw)), blocks)
-    progress = "=" * filled
-    return (
-        f"[{progress:<{blocks}}] {pct_raw: 6.1%} "
-        f"(used {used:d} bytes from {total:d} bytes)"
-    )
-
-
-def print_size_line(label: str, used: int, total: int) -> None:
-    """One PlatformIO-format summary line (``RAM``/``Flash``).
-
-    The label padding is part of the format: ``script/ci_memory_impact_extract.py``
-    matches these lines verbatim.
-    """
-    print(f"{label + ':':<7}{format_bar(used, total)}")
@@ -1,36 +0,0 @@
-"""Machine-global tools cache location shared by the native backends."""
-
-from __future__ import annotations
-
-from pathlib import Path
-
-
-def tools_cache_path(env_var: str, subdir: str) -> Path:
-    """A backend's machine-global tools directory, with an env override.
-
-    A blank/whitespace override is treated as unset: ``Path("")`` resolves
-    to the CWD, which ``clean-all`` would then delete.
-    """
-    import platformdirs
-
-    from esphome.helpers import get_str_env
-
-    if prefix := get_str_env(env_var, "").strip():
-        # resolve(): symlinked prefixes otherwise trip idf.py's
-        # venv-mismatch warning on every build
-        return Path(prefix).expanduser().resolve()
-    # appauthor=False keeps the Windows path short (no vendor segment);
-    # deep IDF trees run into MAX_PATH otherwise
-    return (
-        Path(platformdirs.user_cache_dir("esphome", appauthor=False)) / subdir
-    ).resolve()
-
-
-# (env override, cache subdir) per native backend. writer.clean_all wipes
-# every entry via tools_cache_path, so listing a cache here is the single
-# step that registers it for removal; the backends' own path getters use
-# the same named pairs so the two cannot drift.
-IDF_TOOLS_CACHE = ("ESPHOME_ESP_IDF_PREFIX", "idf")
-SDK_NRF_TOOLS_CACHE = ("ESPHOME_SDK_NRF_PREFIX", "sdk-nrf")
-ARDUINO8266_TOOLS_CACHE = ("ESPHOME_ARDUINO8266_PREFIX", "arduino8266")
-TOOLS_CACHE_SPECS = (IDF_TOOLS_CACHE, SDK_NRF_TOOLS_CACHE, ARDUINO8266_TOOLS_CACHE)
@@ -20,7 +20,6 @@ from typing import Any

 from esphome import const, yaml_util
 from esphome.const import (
-    BUNDLE_EXTENSION,
    CONF_ESPHOME,
    CONF_EXTERNAL_COMPONENTS,
    CONF_INCLUDES,
@@ -30,12 +29,12 @@ from esphome.const import (
    CONF_TYPE,
 )
 from esphome.core import CORE, EsphomeError
-from esphome.util import filter_yaml_files

 _LOGGER = logging.getLogger(__name__)

 DOMAIN = "bundle"

+BUNDLE_EXTENSION = ".esphomebundle.tar.gz"
 MANIFEST_FILENAME = "manifest.json"
 CURRENT_MANIFEST_VERSION = 1
 MAX_DECOMPRESSED_SIZE = 500 * 1024 * 1024  # 500 MB
@@ -129,9 +128,6 @@ class BundleData:
    """Files components asked to include, keyed under DOMAIN in CORE.data."""

    extra_files: list[Path] = field(default_factory=list)
-    # Directories whose YAML files are scanned for !secret references but
-    # never bundled, e.g. git package checkouts the builder re-fetches.
-    secret_scan_dirs: set[Path] = field(default_factory=set)
    # 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;
@@ -159,30 +155,6 @@ def add_bundle_file(path: Path) -> None:
    _get_data().extra_files.append(CORE.relative_config_path(path))


-def add_secret_scan_dir(path: Path) -> None:
-    """Register a directory to scan for ``!secret`` references when bundling.
-
-    The directory's files are not added to the bundle. Components call this
-    for YAML the build consumes without bundling it — such as git-fetched
-    packages, which the builder re-fetches — so the secrets those files
-    reference are still shipped in the filtered secrets file.
-
-    A relative path is taken as relative to the config directory.
-    """
-    if not path.is_absolute():
-        path = CORE.relative_config_path(path)
-    _get_data().secret_scan_dirs.add(path)
-
-
-def _secret_scan_yaml_files() -> list[Path]:
-    """Return the YAML files inside registered secret-scan directories."""
-    return filter_yaml_files(
-        f
-        for scan_dir in _get_data().secret_scan_dirs
-        for f in yaml_util.find_files(scan_dir, "*")
-    )
-
-
 # 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.
@@ -338,7 +310,6 @@ class ConfigBundleCreator:
        yaml_sources = [
            bf.source for bf in files if bf.source.suffix in (".yaml", ".yml")
        ]
-        yaml_sources.extend(_secret_scan_yaml_files())
        used_secret_keys = _find_used_secret_keys(yaml_sources)
        filtered_secrets = self._build_filtered_secrets(used_secret_keys)

@@ -423,13 +394,6 @@ class ConfigBundleCreator:
        """
        discovered = yaml_util.discover_user_yaml_files(self._config_path)
        self._secrets_paths.update(discovered.secrets)
-        # A !secret inside a file this re-parse does not reach (for example
-        # a git-fetched package the builder re-fetches) still resolves
-        # against the config-dir secrets.yaml at build time, so always
-        # consider that file; filtering no-ops when no key matches.
-        default_secrets = self._config_dir / yaml_util.SECRET_YAML
-        if default_secrets.is_file():
-            self._secrets_paths.add(default_secrets.resolve())
        config_resolved = self._config_path.resolve()
        for fpath in discovered.files:
            if fpath == config_resolved:
@@ -755,6 +719,11 @@ def _validate_tar_members(tar: tarfile.TarFile, target_dir: Path) -> None:
            )


+def is_bundle_path(path: Path) -> bool:
+    """Check if a path looks like a bundle file."""
+    return path.name.lower().endswith(BUNDLE_EXTENSION)
+
+
 def _add_bytes_to_tar(tar: tarfile.TarFile, name: str, data: bytes) -> None:
    """Add in-memory bytes to a tar archive with deterministic metadata."""
    info = tarfile.TarInfo(name=name)
@@ -25,7 +25,6 @@ from esphome.cpp_generator import (  # noqa: F401
    add,
    add_build_flag,
    add_build_unflag,
-    add_cmake_arg,
    add_cxx_build_flag,
    add_define,
    add_global,
@@ -50,13 +49,11 @@ from esphome.cpp_helpers import (  # noqa: F401
    build_registry_entry,
    build_registry_list,
    extract_registry_entry_config,
-    get_slot_count,
    gpio_pin_expression,
    past_safe_mode,
    register_component,
    register_parented,
    set_setup_priority,
-    slot_counter,
 )
 from esphome.cpp_types import (  # noqa: F401
    NAN,
@@ -78,7 +75,6 @@ from esphome.cpp_types import (  # noqa: F401
    StringRef,
    arduino_json_ns,
    bool_,
-    char,
    const_char_ptr,
    double,
    esphome_ns,
@@ -1,193 +1,26 @@
 """Validated-config cache for the upload/logs fast path.

-compile dumps the validated config to <data_dir>/storage/<file>.validated.json;
+compile dumps the validated config to <data_dir>/storage/<file>.validated.yaml;
 the next upload/logs for that YAML reuses it instead of running the full
-read_config pipeline. The cache is deliberately lossy: only ``!lambda``
-bodies survive typed (``Lambda``); IDs, time periods, MAC/IP addresses,
-paths, UUIDs and enums store the same string form the YAML dumper
-produced for them. JSON additionally coerces non-str dict keys to
-strings; validated configs only use string keys (every schema key
-validator is ``cv.string``). mtime gates staleness.
+read_config pipeline. YAML round-trip (yaml_util.dump/load_yaml) keeps
+!lambda/!include/IDs/paths intact; mtime gates staleness.
 """

 from __future__ import annotations

-import json
 import logging
 from pathlib import Path
-from typing import Any

-from esphome.const import __version__ as ESPHOME_VERSION
-from esphome.core import CORE, EsphomeError, Lambda
+from esphome.core import CORE
 from esphome.helpers import write_file
-from esphome.storage_json import StorageJSON, ext_storage_path, storage_path
+from esphome.storage_json import StorageJSON, ext_storage_path
 from esphome.types import ConfigType

 _LOGGER = logging.getLogger(__name__)

-# Bump when the on-disk shape changes; a mismatched version falls back
-# to read_config. The envelope also stamps the writing esphome version:
-# after an upgrade the cache holds the previous release's validation, so
-# it falls back once and the re-save self-heals.
-_CACHE_VERSION = 1
-_LAMBDA_KEY = "__esphome_lambda__"
-

 def compiled_config_path(config_filename: str) -> Path:
    """Path to the cached validated config alongside the storage sidecar."""
-    return CORE.data_dir / "storage" / f"{config_filename}.validated.json"
-
-
-def save_compiled_config(config: ConfigType) -> None:
-    """Write the validated-config cache. Always-write so mtime stays fresh.
-
-    Mode 0600 because config validation resolved !secret inline.
-    Failures are non-fatal: the fast path falls back to read_config.
-    """
-    try:
-        # The legacy YAML cache holds inline-resolved secrets and nothing
-        # reads it anymore; drop it even when the write below fails. A
-        # failed removal leaves resolved secrets on disk, so it warns.
-        try:
-            _legacy_compiled_config_path(CORE.config_filename).unlink(missing_ok=True)
-        except OSError as err:
-            _LOGGER.warning(
-                "Could not remove the legacy validated-config cache: %s", err
-            )
-        rendered = json.dumps(
-            {"v": _CACHE_VERSION, "esphome": ESPHOME_VERSION, "config": config},
-            separators=(",", ":"),
-            default=_json_default,
-        )
-        write_file(compiled_config_path(CORE.config_filename), rendered, private=True)
-    except TypeError as err:
-        # Structural, not transient: this config can never cache (e.g. a
-        # non-basic dict key), so every upload/logs pays the slow path.
-        _LOGGER.warning("Cannot cache the validated config: %s", err)
-    except Exception as err:  # noqa: BLE001  # pylint: disable=broad-except
-        # Likely persistent (permissions, full disk): every upload/logs
-        # pays the slow path until it clears, so surface it.
-        _LOGGER.warning("Skipping compiled config cache write: %s", err)
-
-
-def save_compiled_config_and_sidecar(config: ConfigType) -> None:
-    """Refresh the cache from the upload/logs fallback (CORE.config must be set).
-
-    The cache is only written when a complete sidecar is on disk:
-    load_compiled_config can't use it otherwise, and it holds resolved
-    secrets.
-    """
-    if _refresh_sidecar():
-        save_compiled_config(config)
-
-
-def _refresh_sidecar() -> bool:
-    """Ensure a complete sidecar is on disk; True when one is.
-
-    Writes one (without claiming a build) when missing or wizard-only.
-    Failures are non-fatal; the next upload/logs pays the slow path again.
-    """
-    try:
-        path = storage_path()
-        try:
-            old = StorageJSON.load_strict(path)
-        except Exception as err:  # noqa: BLE001  # pylint: disable=broad-except
-            # Present but unreadable: it may hold a real build's metadata,
-            # and a fresh rewrite would also stop the next compile from
-            # cleaning a possibly incoherent build tree.
-            _LOGGER.warning(
-                "Not caching: storage sidecar %s is unreadable (%s)", path, err
-            )
-            return False
-        if old is not None and old.can_apply_to_core():
-            if (
-                old.toolchain is not None
-                and CORE.toolchain is not None
-                and old.toolchain != CORE.toolchain.value
-            ):
-                # Platforms normalize toolchain-sensitive keys differently;
-                # never cache a config validated under a different toolchain
-                # than the compile's
-                _LOGGER.debug(
-                    "Not caching: config validated with toolchain %r but the "
-                    "last compile used %r",
-                    CORE.toolchain.value,
-                    old.toolchain,
-                )
-                return False
-            # Compile-written; nothing to refresh.
-            return True
-        if CORE.build_path is not None and CORE.build_path.exists():
-            # An unvalidated build tree: its absent or mismatched sidecar
-            # is what makes the next compile wipe it, so don't vouch for
-            # a build this run never saw.
-            _LOGGER.warning(
-                "Not caching: build tree %s has no matching sidecar; "
-                "'esphome compile' will settle it",
-                CORE.build_path,
-            )
-            return False
-        new = StorageJSON.from_esphome_core(CORE, old, claim_build=False)
-        if not new.can_apply_to_core():
-            _LOGGER.warning("Not caching: rebuilt storage sidecar is still incomplete")
-            return False
-        new.save(path)
-        return True
-    except (OSError, EsphomeError) as err:
-        # write_file wraps OSError into EsphomeError. Persistent
-        # (unwritable storage dir), so surface that every upload/logs
-        # pays the slow path.
-        _LOGGER.warning("Could not refresh the storage sidecar: %s", err)
-    except Exception:  # noqa: BLE001  # pylint: disable=broad-except
-        # A structural bug; keep the traceback so it isn't mistaken
-        # for the I/O failure above.
-        _LOGGER.warning(
-            "Unexpected error refreshing the storage sidecar", exc_info=True
-        )
-    return False
-
-
-def load_compiled_config(conf_path: Path) -> ConfigType | None:
-    """Load the cached validated config and apply storage metadata to CORE.
-
-    Returns None (caller falls back to read_config) when the cache is
-    missing, older than the source YAML, unparseable, a different cache
-    version, or the sidecar is incomplete. The loaded config carries no
-    source ranges; callers must not feed it into read_config/write_cpp.
-    """
-    cache_path = compiled_config_path(conf_path.name)
-    if not _cache_is_fresh(cache_path, conf_path):
-        return None
-
-    try:
-        envelope = json.loads(
-            cache_path.read_text(encoding="utf-8"), object_hook=_decode_object
-        )
-    except (OSError, ValueError) as err:
-        _LOGGER.debug("Ignoring unreadable compiled config cache: %s", err)
-        return None
-
-    if (
-        not isinstance(envelope, dict)
-        or envelope.get("v") != _CACHE_VERSION
-        or envelope.get("esphome") != ESPHOME_VERSION
-        or not isinstance(config := envelope.get("config"), dict)
-    ):
-        _LOGGER.debug("Ignoring compiled config cache with a foreign envelope")
-        return None
-
-    storage = StorageJSON.load(ext_storage_path(conf_path.name))
-    if storage is None or not storage.can_apply_to_core():
-        _LOGGER.debug("Ignoring compiled config cache: sidecar missing or incomplete")
-        return None
-    storage.apply_to_core()
-    return config
-
-
-# Remove before 2027.8: by then every maintained install has saved the
-# JSON cache at least once and dropped its legacy YAML file.
-def _legacy_compiled_config_path(config_filename: str) -> Path:
-    """Path of the pre-JSON YAML cache; only ever removed."""
    return CORE.data_dir / "storage" / f"{config_filename}.validated.yaml"


@@ -199,21 +32,45 @@ def _cache_is_fresh(cache_path: Path, source_path: Path) -> bool:
        return False


-def _json_default(value: Any) -> Any:
-    """Mirror ESPHomeDumper's representers: Lambda stays typed, the rest
-    stringify (IDs, time periods, MAC/IP addresses, paths, UUIDs, enums).
+def save_compiled_config(config: ConfigType) -> None:
+    """Write the validated-config cache. Always-write so mtime stays fresh.

-    IncludeFile/Extend/Remove have no JSON mirror and would stringify
-    wrong, but none survive validation (config.py's packages merge and
-    the substitution pass consume them) so no guard is spent on them.
+    Mode 0600 because show_secrets=True resolves !secret inline.
+    Failures are non-fatal: the fast path falls back to read_config.
    """
-    if isinstance(value, Lambda):
-        return {_LAMBDA_KEY: value.value}
-    return str(value)
+    from esphome import yaml_util
+
+    try:
+        rendered = yaml_util.dump(config, show_secrets=True)
+        write_file(compiled_config_path(CORE.config_filename), rendered, private=True)
+    except Exception as err:  # noqa: BLE001  # pylint: disable=broad-except
+        _LOGGER.debug("Skipping compiled config cache write: %s", err)


-def _decode_object(obj: dict[str, Any]) -> Any:
-    """Revive the Lambda sentinel; every other mapping passes through."""
-    if len(obj) == 1 and isinstance(value := obj.get(_LAMBDA_KEY), str):
-        return Lambda(value)
-    return obj
+def load_compiled_config(conf_path: Path) -> ConfigType | None:
+    """Load the cached validated config and apply storage metadata to CORE.
+
+    Returns None (caller falls back to read_config) when the cache is
+    missing, older than the source YAML, unparseable, or the sidecar
+    is incomplete.
+    """
+    cache_path = compiled_config_path(conf_path.name)
+    if not _cache_is_fresh(cache_path, conf_path):
+        return None
+
+    from esphome import yaml_util
+
+    try:
+        config = yaml_util.load_yaml(cache_path, clear_secrets=False)
+    except Exception:  # noqa: BLE001  # pylint: disable=broad-except
+        return None
+
+    storage = StorageJSON.load(ext_storage_path(conf_path.name))
+    if storage is None:
+        return None
+    # apply_to_core assumes a real compile wrote the sidecar; wizard-only
+    # sidecars leave both of these unset and can't drive upload/logs.
+    if not storage.core_platform and not storage.target_platform:
+        return None
+    storage.apply_to_core()
+    return config
@@ -1,10 +0,0 @@
-"""Component alias registry.
-
-Generated by script/build_alias_registry.py - do not edit manually.
-See the component-alias section of esphome/loader.py.
-"""
-
-# alias -> (canonical component, removal version or None)
-COMPONENT_ALIASES: dict[str, tuple[str, str | None]] = {
-    "rp2040": ("rp2", "2027.7.0"),
-}
@@ -6,7 +6,6 @@ from esphome.const import (
    STATE_CLASS_MEASUREMENT,
    UNIT_METER,
 )
-from esphome.types import ConfigType

 CODEOWNERS = ["@MrSuicideParrot"]
 DEPENDENCIES = ["uart"]
@@ -36,7 +35,7 @@ FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = await sensor.new_sensor(config)
    await cg.register_component(var, config)
    await uart.register_uart_device(var, config)
@@ -6,7 +6,6 @@ from esphome.const import (
    STATE_CLASS_MEASUREMENT,
    UNIT_MILLIMETER,
 )
-from esphome.types import ConfigType

 CODEOWNERS = ["@TH-Braemer"]
 DEPENDENCIES = ["uart"]
@@ -36,7 +35,7 @@ FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = await sensor.new_sensor(config)
    await cg.register_component(var, config)
    await uart.register_uart_device(var, config)
@@ -3,7 +3,6 @@ import esphome.codegen as cg
 from esphome.components import stepper
 import esphome.config_validation as cv
 from esphome.const import CONF_DIR_PIN, CONF_ID, CONF_SLEEP_PIN, CONF_STEP_PIN
-from esphome.types import ConfigType

 a4988_ns = cg.esphome_ns.namespace("a4988")
 A4988 = a4988_ns.class_("A4988", stepper.Stepper, cg.Component)
@@ -18,7 +17,7 @@ CONFIG_SCHEMA = stepper.STEPPER_SCHEMA.extend(
 ).extend(cv.COMPONENT_SCHEMA)


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await stepper.register_stepper(var, config)
@@ -9,7 +9,6 @@ from esphome.const import (
    STATE_CLASS_MEASUREMENT,
    UNIT_GRAMS_PER_CUBIC_METER,
 )
-from esphome.types import ConfigType

 absolute_humidity_ns = cg.esphome_ns.namespace("absolute_humidity")
 AbsoluteHumidityComponent = absolute_humidity_ns.class_(
@@ -44,7 +43,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = await sensor.new_sensor(config)
    await cg.register_component(var, config)

@@ -4,7 +4,6 @@ from esphome.components import output
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, CONF_METHOD, CONF_MIN_POWER
 from esphome.core import CORE
-from esphome.types import ConfigType

 CODEOWNERS = ["@glmnet"]

@@ -49,13 +48,7 @@ CONFIG_SCHEMA = cv.All(
 )


-async def to_code(config: ConfigType) -> None:
-    if CORE.is_esp32:
-        from esphome.components.esp32 import include_builtin_idf_component
-
-        # Re-enable the gptimer driver (excluded by default to save compile time)
-        include_builtin_idf_component("esp_driver_gptimer")
-
+async def to_code(config):
    if CORE.is_esp8266:
        # ac_dimmer uses setTimer1Callback which requires the waveform generator
        from esphome.components.esp8266.const import require_waveform
@@ -4,9 +4,6 @@ from esphome.components.light.effects import register_addressable_effect
 from esphome.components.light.types import AddressableLightEffect
 import esphome.config_validation as cv
 from esphome.const import CONF_NAME, CONF_UART_ID
-from esphome.core import ID
-from esphome.cpp_generator import MockObj
-from esphome.types import ConfigType

 DEPENDENCIES = ["uart"]

@@ -24,7 +21,7 @@ CONFIG_SCHEMA = cv.Schema({})
    "Adalight",
    {cv.GenerateID(CONF_UART_ID): cv.use_id(uart.UARTComponent)},
 )
-async def adalight_light_effect_to_code(config: ConfigType, effect_id: ID) -> MockObj:
+async def adalight_light_effect_to_code(config, effect_id):
    effect = cg.new_Pvariable(effect_id, config[CONF_NAME])
    await uart.register_uart_device(effect, config)
    return effect
@@ -1,5 +1,3 @@
-from typing import Any
-
 from esphome import pins
 import esphome.codegen as cg
 from esphome.components.esp32 import (
@@ -13,13 +11,11 @@ from esphome.components.esp32 import (
    VARIANT_ESP32P4,
    VARIANT_ESP32S2,
    VARIANT_ESP32S3,
-    VARIANT_ESP32S31,
    get_esp32_variant,
 )
 import esphome.config_validation as cv
 from esphome.const import CONF_ANALOG, CONF_INPUT, CONF_NUMBER, PLATFORM_ESP8266
 from esphome.core import CORE
-from esphome.types import ConfigType

 CODEOWNERS = ["@esphome/core"]

@@ -157,17 +153,6 @@ ESP32_VARIANT_ADC1_PIN_TO_CHANNEL = {
        9: adc_channel_t.ADC_CHANNEL_8,
        10: adc_channel_t.ADC_CHANNEL_9,
    },
-    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32s31/include/soc/adc_channel.h
-    VARIANT_ESP32S31: {
-        42: adc_channel_t.ADC_CHANNEL_0,
-        43: adc_channel_t.ADC_CHANNEL_1,
-        44: adc_channel_t.ADC_CHANNEL_2,
-        45: adc_channel_t.ADC_CHANNEL_3,
-        46: adc_channel_t.ADC_CHANNEL_4,
-        47: adc_channel_t.ADC_CHANNEL_5,
-        48: adc_channel_t.ADC_CHANNEL_6,
-        49: adc_channel_t.ADC_CHANNEL_7,
-    },
 }

 # pin to adc2 channel mapping
@@ -237,27 +222,15 @@ ESP32_VARIANT_ADC2_PIN_TO_CHANNEL = {
        19: adc_channel_t.ADC_CHANNEL_8,
        20: adc_channel_t.ADC_CHANNEL_9,
    },
-    # https://github.com/espressif/esp-idf/blob/master/components/soc/esp32s31/include/soc/adc_channel.h
-    VARIANT_ESP32S31: {
-        50: adc_channel_t.ADC_CHANNEL_0,
-        51: adc_channel_t.ADC_CHANNEL_1,
-        52: adc_channel_t.ADC_CHANNEL_2,
-        53: adc_channel_t.ADC_CHANNEL_3,
-        54: adc_channel_t.ADC_CHANNEL_4,
-        55: adc_channel_t.ADC_CHANNEL_5,
-        56: adc_channel_t.ADC_CHANNEL_6,
-        57: adc_channel_t.ADC_CHANNEL_7,
-    },
 }


-def validate_adc_pin(value: Any) -> ConfigType | str:
+def validate_adc_pin(value):
    if str(value).upper() == "VCC":
        if CORE.is_rp2:
            return pins.internal_gpio_input_pin_schema(29)
        return cv.only_on([PLATFORM_ESP8266])("VCC")

-    # Deprecated in favour of the `internal_temperature` platform, remove before 2027.2.0
    if str(value).upper() == "TEMPERATURE":
        return cv.only_on_rp2("TEMPERATURE")

@@ -3,7 +3,7 @@

 namespace esphome::adc {

-static const char *const TAG = "adc";
+static const char *const TAG = "adc.common";

 const LogString *sampling_mode_to_str(SamplingMode mode) {
  switch (mode) {
@@ -6,7 +6,7 @@

 namespace esphome::adc {

-static const char *const TAG = "adc";
+static const char *const TAG = "adc.esp32";

 adc_oneshot_unit_handle_t ADCSensor::shared_adc_handles[2] = {nullptr, nullptr};

@@ -74,7 +74,9 @@ void ADCSensor::setup() {
  if (this->calibration_handle_ == nullptr) {
    adc_cali_handle_t handle = nullptr;

-#if defined(ADC_CALI_SCHEME_CURVE_FITTING_SUPPORTED)
+#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
+    USE_ESP32_VARIANT_ESP32C61 || USE_ESP32_VARIANT_ESP32H2 || USE_ESP32_VARIANT_ESP32P4 || USE_ESP32_VARIANT_ESP32S3
+    // RISC-V variants (except C2) and S3 use curve fitting calibration
    adc_cali_curve_fitting_config_t cali_config = {};  // Zero initialize first
 #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0)
    cali_config.chan = this->channel_;
@@ -92,7 +94,7 @@ void ADCSensor::setup() {
      ESP_LOGW(TAG, "Curve fitting calibration failed with error %d, will use uncalibrated readings", err);
      this->setup_flags_.calibration_complete = false;
    }
-#elif defined(ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED)
+#else  // ESP32, ESP32-S2, and ESP32-C2 use line fitting calibration
    adc_cali_line_fitting_config_t cali_config = {
      .unit_id = this->adc_unit_,
      .atten = this->attenuation_,
@@ -110,11 +112,7 @@ void ADCSensor::setup() {
      ESP_LOGW(TAG, "Line fitting calibration failed with error %d, will use uncalibrated readings", err);
      this->setup_flags_.calibration_complete = false;
    }
-#else   // No calibration scheme available
-    (void) handle;
-    ESP_LOGD(TAG, "No calibration scheme for this variant, readings are uncalibrated");
-    this->setup_flags_.calibration_complete = false;
-#endif
+#endif  // ESP32C3 || ESP32C5 || ESP32C6 || ESP32C61 || ESP32H2 || ESP32P4 || ESP32S3
  }

  this->setup_flags_.init_complete = true;
@@ -123,28 +121,23 @@ void ADCSensor::setup() {
 void ADCSensor::dump_config() {
  LOG_SENSOR("", "ADC Sensor", this);
  LOG_PIN("  Pin: ", this->pin_);
-#if defined(ADC_CALI_SCHEME_CURVE_FITTING_SUPPORTED) || defined(ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED)
-  const char *calibration_status = this->setup_flags_.calibration_complete ? "OK" : "FAILED";
-#else
-  const char *calibration_status = "N/A";  // This variant has no calibration scheme
-#endif
-  ESP_LOGCONFIG(TAG,
-                "  Channel:       %d\n"
-                "  Unit:          %s\n"
-                "  Attenuation:   %s\n"
-                "  Samples:       %i\n"
-                "  Sampling mode: %s\n"
-                "  Setup Status:\n"
-                "    Handle Init:  %s\n"
-                "    Config:       %s\n"
-                "    Calibration:  %s\n"
-                "    Overall Init: %s",
-                this->channel_, LOG_STR_ARG(adc_unit_to_str(this->adc_unit_)),
-                this->autorange_ ? "Auto" : LOG_STR_ARG(attenuation_to_str(this->attenuation_)), this->sample_count_,
-                LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)),
-                this->setup_flags_.handle_init_complete ? "OK" : "FAILED",
-                this->setup_flags_.config_complete ? "OK" : "FAILED", calibration_status,
-                this->setup_flags_.init_complete ? "OK" : "FAILED");
+  ESP_LOGCONFIG(
+      TAG,
+      "  Channel:       %d\n"
+      "  Unit:          %s\n"
+      "  Attenuation:   %s\n"
+      "  Samples:       %i\n"
+      "  Sampling mode: %s\n"
+      "  Setup Status:\n"
+      "    Handle Init:  %s\n"
+      "    Config:       %s\n"
+      "    Calibration:  %s\n"
+      "    Overall Init: %s",
+      this->channel_, LOG_STR_ARG(adc_unit_to_str(this->adc_unit_)),
+      this->autorange_ ? "Auto" : LOG_STR_ARG(attenuation_to_str(this->attenuation_)), this->sample_count_,
+      LOG_STR_ARG(sampling_mode_to_str(this->sampling_mode_)),
+      this->setup_flags_.handle_init_complete ? "OK" : "FAILED", this->setup_flags_.config_complete ? "OK" : "FAILED",
+      this->setup_flags_.calibration_complete ? "OK" : "FAILED", this->setup_flags_.init_complete ? "OK" : "FAILED");

  LOG_UPDATE_INTERVAL(this);
 }
@@ -191,11 +184,12 @@ float ADCSensor::sample_fixed_attenuation_() {
    } else {
      ESP_LOGW(TAG, "ADC calibration conversion failed with error %d, disabling calibration", err);
      if (this->calibration_handle_ != nullptr) {
-#if defined(ADC_CALI_SCHEME_CURVE_FITTING_SUPPORTED)
+#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
+    USE_ESP32_VARIANT_ESP32C61 || USE_ESP32_VARIANT_ESP32H2 || USE_ESP32_VARIANT_ESP32P4 || USE_ESP32_VARIANT_ESP32S3
        adc_cali_delete_scheme_curve_fitting(this->calibration_handle_);
-#elif defined(ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED)
+#else   // Other ESP32 variants use line fitting calibration
        adc_cali_delete_scheme_line_fitting(this->calibration_handle_);
-#endif
+#endif  // ESP32C3 || ESP32C5 || ESP32C6 || ESP32C61 || ESP32H2 || ESP32P4 || ESP32S3
        this->calibration_handle_ = nullptr;
      }
    }
@@ -223,9 +217,10 @@ float ADCSensor::sample_autorange_() {
    // Need to recalibrate for the new attenuation
    if (this->calibration_handle_ != nullptr) {
      // Delete old calibration handle
-#if defined(ADC_CALI_SCHEME_CURVE_FITTING_SUPPORTED)
+#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
+    USE_ESP32_VARIANT_ESP32C61 || USE_ESP32_VARIANT_ESP32H2 || USE_ESP32_VARIANT_ESP32P4 || USE_ESP32_VARIANT_ESP32S3
      adc_cali_delete_scheme_curve_fitting(this->calibration_handle_);
-#elif defined(ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED)
+#else
      adc_cali_delete_scheme_line_fitting(this->calibration_handle_);
 #endif
      this->calibration_handle_ = nullptr;
@@ -234,7 +229,8 @@ float ADCSensor::sample_autorange_() {
    // Create new calibration handle for this attenuation
    adc_cali_handle_t handle = nullptr;

-#if defined(ADC_CALI_SCHEME_CURVE_FITTING_SUPPORTED)
+#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
+    USE_ESP32_VARIANT_ESP32C61 || USE_ESP32_VARIANT_ESP32H2 || USE_ESP32_VARIANT_ESP32P4 || USE_ESP32_VARIANT_ESP32S3
    adc_cali_curve_fitting_config_t cali_config = {};
 #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0)
    cali_config.chan = this->channel_;
@@ -246,7 +242,7 @@ float ADCSensor::sample_autorange_() {
    err = adc_cali_create_scheme_curve_fitting(&cali_config, &handle);
    ESP_LOGVV(TAG, "Autorange atten=%d: Calibration handle creation %s (err=%d)", atten,
              (err == ESP_OK) ? "SUCCESS" : "FAILED", err);
-#elif defined(ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED)
+#else
    adc_cali_line_fitting_config_t cali_config = {
      .unit_id = this->adc_unit_,
      .atten = atten,
@@ -268,9 +264,10 @@ float ADCSensor::sample_autorange_() {
    if (err != ESP_OK) {
      ESP_LOGW(TAG, "ADC read failed in autorange with error %d", err);
      if (handle != nullptr) {
-#if defined(ADC_CALI_SCHEME_CURVE_FITTING_SUPPORTED)
+#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
+    USE_ESP32_VARIANT_ESP32C61 || USE_ESP32_VARIANT_ESP32H2 || USE_ESP32_VARIANT_ESP32P4 || USE_ESP32_VARIANT_ESP32S3
        adc_cali_delete_scheme_curve_fitting(handle);
-#elif defined(ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED)
+#else
        adc_cali_delete_scheme_line_fitting(handle);
 #endif
      }
@@ -289,9 +286,10 @@ float ADCSensor::sample_autorange_() {
        ESP_LOGVV(TAG, "Autorange atten=%d: UNCALIBRATED FALLBACK - raw=%d -> %.6fV (3.3V ref)", atten, raw, voltage);
      }
      // Clean up calibration handle
-#if defined(ADC_CALI_SCHEME_CURVE_FITTING_SUPPORTED)
+#if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
+    USE_ESP32_VARIANT_ESP32C61 || USE_ESP32_VARIANT_ESP32H2 || USE_ESP32_VARIANT_ESP32P4 || USE_ESP32_VARIANT_ESP32S3
      adc_cali_delete_scheme_curve_fitting(handle);
-#elif defined(ADC_CALI_SCHEME_LINE_FITTING_SUPPORTED)
+#else
      adc_cali_delete_scheme_line_fitting(handle);
 #endif
    } else {
@@ -13,7 +13,7 @@ ADC_MODE(ADC_VCC)

 namespace esphome::adc {

-static const char *const TAG = "adc";
+static const char *const TAG = "adc.esp8266";

 void ADCSensor::setup() {
 #ifndef USE_ADC_SENSOR_VCC
@@ -5,7 +5,7 @@

 namespace esphome::adc {

-static const char *const TAG = "adc";
+static const char *const TAG = "adc.libretiny";

 void ADCSensor::setup() {
 #ifndef USE_ADC_SENSOR_VCC
@@ -17,26 +17,7 @@

 namespace esphome::adc {

-static const char *const TAG = "adc";
-
-// The on-die temperature sensor sits on the last ADC channel: input 4 on RP2040
-// and RP2350A, but input 8 on RP2350B, which has eight external channels rather
-// than four.
-//
-// This deliberately does not use the SDK's ADC_TEMPERATURE_CHANNEL_NUM. That
-// derives from NUM_ADC_CHANNELS, which <pico.h> settles from a board header, and
-// arduino-pico supplies a fixed B-die one for every RP2350 build. The real die
-// is only declared later, by the variant's pins_arduino.h, so the SDK constant
-// reads 8 on A-die boards. PICO_RP2350A itself is correct by the time this file
-// is compiled, on both arduino-pico and pico-sdk builds.
-#if defined(PICO_RP2350) && !defined(PICO_RP2350A)
-#error "PICO_RP2350A is not defined, so the RP2350 die is unknown and the temperature ADC channel cannot be chosen"
-#endif
-#if defined(PICO_RP2350) && !PICO_RP2350A
-static constexpr uint8_t TEMPERATURE_ADC_INPUT = 8;
-#else
-static constexpr uint8_t TEMPERATURE_ADC_INPUT = 4;
-#endif
+static const char *const TAG = "adc.rp2";

 void ADCSensor::setup() {
  static bool initialized = false;
@@ -71,7 +52,7 @@ float ADCSensor::sample() {
  if (this->is_temperature_) {
    adc_set_temp_sensor_enabled(true);
    delay(1);
-    adc_select_input(TEMPERATURE_ADC_INPUT);
+    adc_select_input(4);

    for (uint8_t sample = 0; sample < this->sample_count_; sample++) {
      raw = adc_read();
@@ -7,7 +7,7 @@

 namespace esphome::adc {

-static const char *const TAG = "adc";
+static const char *const TAG = "adc.zephyr";

 void ADCSensor::setup() {
  if (!adc_is_ready_dt(this->channel_)) {
@@ -3,7 +3,6 @@ import logging
 import esphome.codegen as cg
 from esphome.components import sensor, voltage_sampler
 from esphome.components.esp32 import (
-    VARIANT_ESP32S31,
    get_esp32_variant,
    include_builtin_idf_component,
    require_adc_oneshot_iram,
@@ -11,8 +10,8 @@ from esphome.components.esp32 import (
 from esphome.components.nrf52.const import AIN_TO_GPIO, EXTRA_ADC
 from esphome.components.zephyr import (
    zephyr_add_overlay,
-    zephyr_add_overlay_builder,
    zephyr_add_prj_conf,
+    zephyr_add_user,
 )
 from esphome.config_helpers import filter_source_files_from_platform
 import esphome.config_validation as cv
@@ -53,18 +52,10 @@ _attenuation = cv.enum(ATTENUATION_MODES, lower=True)
 _sampling_mode = cv.enum(SAMPLING_MODES, lower=True)


-def validate_config(config: ConfigType) -> ConfigType:
+def validate_config(config):
    if config[CONF_RAW] and config.get(CONF_ATTENUATION, None) == "auto":
        raise cv.Invalid("Automatic attenuation cannot be used when raw output is set")

-    # The S31 ADC supports a single attenuation level (SOC_ADC_ATTEN_NUM is 1)
-    if (
-        CORE.is_esp32
-        and get_esp32_variant() == VARIANT_ESP32S31
-        and config.get(CONF_ATTENUATION, "0db") != "0db"
-    ):
-        raise cv.Invalid("ESP32-S31 only supports 'attenuation: 0db'")
-
    if config.get(CONF_ATTENUATION, None) == "auto" and config.get(CONF_SAMPLES, 1) > 1:
        raise cv.Invalid(
            "Automatic attenuation cannot be used when multisampling is set"
@@ -76,13 +67,6 @@ def validate_config(config: ConfigType) -> ConfigType:
        # Alter value here so `config` command prints the recommended change
        config[CONF_ATTENUATION] = _attenuation("12db")

-    # Remove before 2027.2.0
-    if config[CONF_PIN] == "TEMPERATURE":
-        _LOGGER.warning(
-            "[adc] `pin: TEMPERATURE` is deprecated, use the `internal_temperature` "
-            "sensor platform instead. Will be removed in 2027.2.0"
-        )
-
    return config


@@ -129,19 +113,7 @@ CONFIG_SCHEMA = cv.All(
 CONF_ADC_CHANNEL_ID = "adc_channel_id"


-def _overlay_io_channels() -> str:
-    channel_count = CORE.data[CONF_ADC_CHANNEL_ID]
-    entries = ", ".join(f"<&adc {channel_id}>" for channel_id in range(channel_count))
-    return f"""
-            / {{
-                zephyr,user {{
-                    io-channels = {entries};
-                }};
-            }};
-            """
-
-
-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await sensor.register_sensor(var, config)
@@ -149,7 +121,6 @@ async def to_code(config: ConfigType) -> None:
    if config[CONF_PIN] == "VCC":
        cg.add_define("USE_ADC_SENSOR_VCC")
    elif config[CONF_PIN] == "TEMPERATURE":
-        # Remove before 2027.2.0
        cg.add(var.set_is_temperature())
    elif not CORE.is_nrf52 or config[CONF_PIN][CONF_NUMBER] not in EXTRA_ADC:
        pin = await cg.gpio_pin_expression(config[CONF_PIN])
@@ -202,8 +173,9 @@ async def to_code(config: ConfigType) -> None:
        if isinstance(pin_number, int):
            GPIO_TO_AIN = {v: k for k, v in AIN_TO_GPIO.items()}
            pin_number = GPIO_TO_AIN[pin_number]
-        zephyr_add_overlay_builder(_overlay_io_channels)
-        zephyr_add_overlay(f"""
+        zephyr_add_user("io-channels", f"<&adc {channel_id}>")
+        zephyr_add_overlay(
+            f"""
                &adc {{
                    #address-cells = <1>;
                    #size-cells = <0>;
@@ -218,7 +190,8 @@ async def to_code(config: ConfigType) -> None:
                        zephyr,oversampling = <8>;
                    }};
                }};
-            """)
+            """
+        )


 FILTER_SOURCE_FILES = filter_source_files_from_platform(
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import spi
 import esphome.config_validation as cv
 from esphome.const import CONF_ID
-from esphome.types import ConfigType

 DEPENDENCIES = ["spi"]
 MULTI_CONF = True
@@ -18,7 +17,7 @@ CONFIG_SCHEMA = cv.Schema(
 ).extend(spi.spi_device_schema(cs_pin_required=True))


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await spi.register_spi_device(var, config)
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import sensor, voltage_sampler
 import esphome.config_validation as cv
 from esphome.const import CONF_CHANNEL, CONF_ID
-from esphome.types import ConfigType

 from .. import ADC128S102, adc128s102_ns

@@ -29,7 +28,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(
        config[CONF_ID],
        config[CONF_CHANNEL],
@@ -11,7 +11,6 @@ from esphome.const import (
    CONF_UPDATE_INTERVAL,
    CONF_WIDTH,
 )
-from esphome.types import ConfigType

 CODEOWNERS = ["@justfalter"]

@@ -39,7 +38,7 @@ CONFIG_SCHEMA = cv.All(
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    wrapped_light = await cg.get_variable(config[CONF_ADDRESSABLE_LIGHT_ID])
    cg.add(var.set_width(config[CONF_WIDTH]))
@@ -36,7 +36,6 @@ from esphome.const import (
    UNIT_WATT,
    UNIT_WATT_HOURS,
 )
-from esphome.cpp_generator import MockObj
 from esphome.types import ConfigType

 DEPENDENCIES = ["i2c"]
@@ -244,7 +243,7 @@ CONFIG_SCHEMA = cv.All(
 )


-async def neutral_channel(config: ConfigType) -> MockObj:
+async def neutral_channel(config):
    var = cg.new_Pvariable(config[CONF_ID])

    current = config[CONF_CURRENT]
@@ -258,7 +257,7 @@ async def neutral_channel(config: ConfigType) -> MockObj:
    return var


-async def power_channel(config: ConfigType) -> MockObj:
+async def power_channel(config):
    var = cg.new_Pvariable(config[CONF_ID])

    for sensor_type in POWER_SENSOR_TYPES:
@@ -281,7 +280,7 @@ async def power_channel(config: ConfigType) -> MockObj:
    return var


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await i2c.register_i2c_device(var, config)
@@ -23,8 +23,6 @@ from esphome.const import (
    UNIT_VOLT_AMPS_REACTIVE,
    UNIT_WATT,
 )
-from esphome.cpp_generator import MockObj
-from esphome.types import ConfigType

 CODEOWNERS = ["@angelnu"]

@@ -165,7 +163,7 @@ ADE7953_CONFIG_SCHEMA = cv.Schema(
 ).extend(cv.polling_component_schema("60s"))


-async def register_ade7953(var: MockObj, config: ConfigType) -> None:
+async def register_ade7953(var, config):
    await cg.register_component(var, config)

    if irq_pin_config := config.get(CONF_IRQ_PIN):
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import ade7953_base, i2c
 import esphome.config_validation as cv
 from esphome.const import CONF_ID
-from esphome.types import ConfigType

 DEPENDENCIES = ["i2c"]
 AUTO_LOAD = ["ade7953_base"]
@@ -21,7 +20,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await i2c.register_i2c_device(var, config)
    await ade7953_base.register_ade7953(var, config)
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import ade7953_base, spi
 import esphome.config_validation as cv
 from esphome.const import CONF_ID
-from esphome.types import ConfigType

 DEPENDENCIES = ["spi"]
 AUTO_LOAD = ["ade7953_base"]
@@ -21,7 +20,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await spi.register_spi_device(var, config)
    await ade7953_base.register_ade7953(var, config)
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import i2c
 import esphome.config_validation as cv
 from esphome.const import CONF_ID
-from esphome.types import ConfigType

 DEPENDENCIES = ["i2c"]
 MULTI_CONF = True
@@ -25,7 +24,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await i2c.register_i2c_device(var, config)
@@ -11,7 +11,6 @@ from esphome.const import (
    STATE_CLASS_MEASUREMENT,
    UNIT_VOLT,
 )
-from esphome.types import ConfigType

 from .. import CONF_ADS1115_ID, ADS1115Component, ads1115_ns

@@ -87,7 +86,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await sensor.register_sensor(var, config)
    await cg.register_component(var, config)
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import spi
 import esphome.config_validation as cv
 from esphome.const import CONF_ID
-from esphome.types import ConfigType

 CODEOWNERS = ["@solomondg1"]
 DEPENDENCIES = ["spi"]
@@ -24,7 +23,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await spi.register_spi_device(var, config)
@@ -11,7 +11,6 @@ from esphome.const import (
    UNIT_CELSIUS,
    UNIT_VOLT,
 )
-from esphome.types import ConfigType

 from .. import ADS1118, CONF_ADS1118_ID, ads1118_ns

@@ -87,7 +86,7 @@ CONFIG_SCHEMA = cv.typed_schema(
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = await sensor.new_sensor(config)
    await cg.register_component(var, config)
    await cg.register_parented(var, config[CONF_ADS1118_ID])
@@ -17,9 +17,6 @@ from esphome.const import (
    UNIT_OHM,
    UNIT_PARTS_PER_BILLION,
 )
-from esphome.core import ID
-from esphome.cpp_generator import MockObj, TemplateArgsType
-from esphome.types import ConfigType

 CONF_RESISTANCE = "resistance"

@@ -65,7 +62,7 @@ CONFIG_SCHEMA = (
 FINAL_VALIDATE_SCHEMA = i2c.final_validate_device_schema("ags10", max_frequency="15khz")


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await i2c.register_i2c_device(var, config)
@@ -97,12 +94,7 @@ AGS10_NEW_I2C_ADDRESS_SCHEMA = cv.maybe_simple_value(
    AGS10_NEW_I2C_ADDRESS_SCHEMA,
    synchronous=True,
 )
-async def ags10newi2caddress_to_code(
-    config: ConfigType,
-    action_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
+async def ags10newi2caddress_to_code(config, action_id, template_arg, args):
    var = cg.new_Pvariable(action_id, template_arg)
    await cg.register_parented(var, config[CONF_ID])
    address = await cg.templatable(config[CONF_ADDRESS], args, cg.uint8)
@@ -134,12 +126,7 @@ AGS10_SET_ZERO_POINT_SCHEMA = cv.Schema(
    AGS10_SET_ZERO_POINT_SCHEMA,
    synchronous=True,
 )
-async def ags10setzeropoint_to_code(
-    config: ConfigType,
-    action_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
+async def ags10setzeropoint_to_code(config, action_id, template_arg, args):
    var = cg.new_Pvariable(action_id, template_arg)
    await cg.register_parented(var, config[CONF_ID])
    mode = await cg.templatable(
@@ -12,7 +12,6 @@ from esphome.const import (
    UNIT_CELSIUS,
    UNIT_PERCENT,
 )
-from esphome.types import ConfigType

 DEPENDENCIES = ["i2c"]

@@ -51,7 +50,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await i2c.register_i2c_device(var, config)
@@ -4,9 +4,6 @@ from esphome.components import i2c
 from esphome.components.audio_dac import AudioDac
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, CONF_MODE
-from esphome.core import ID
-from esphome.cpp_generator import MockObj, TemplateArgsType
-from esphome.types import ConfigType

 CODEOWNERS = ["@kbx81"]
 DEPENDENCIES = ["i2c"]
@@ -42,12 +39,7 @@ SET_AUTO_MUTE_ACTION_SCHEMA = cv.maybe_simple_value(
    SET_AUTO_MUTE_ACTION_SCHEMA,
    synchronous=True,
 )
-async def aic3204_set_volume_to_code(
-    config: ConfigType,
-    action_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
+async def aic3204_set_volume_to_code(config, action_id, template_arg, args):
    paren = await cg.get_variable(config[CONF_ID])
    var = cg.new_Pvariable(action_id, template_arg, paren)

@@ -57,7 +49,7 @@ async def aic3204_set_volume_to_code(
    return var


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await i2c.register_i2c_device(var, config)
@@ -1,27 +1,23 @@
 import esphome.codegen as cg
-from esphome.components import ble_device_base
+from esphome.components import esp32_ble_tracker
 import esphome.config_validation as cv
 from esphome.const import CONF_ID
-from esphome.types import ConfigType

-AUTO_LOAD = ["ble_device_base"]
+DEPENDENCIES = ["esp32_ble_tracker"]
 CODEOWNERS = ["@jeromelaban"]

 airthings_ble_ns = cg.esphome_ns.namespace("airthings_ble")
 AirthingsListener = airthings_ble_ns.class_(
-    "AirthingsListener", ble_device_base.ESPBTDeviceListener
+    "AirthingsListener", esp32_ble_tracker.ESPBTDeviceListener
 )

-CONFIG_SCHEMA = cv.All(
-    ble_device_base.rename_legacy_hub_id("airthings_ble"),
-    cv.Schema(
-        {
-            cv.GenerateID(): cv.declare_id(AirthingsListener),
-        }
-    ).extend(ble_device_base.BLE_DEVICE_SCHEMA),
-)
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(AirthingsListener),
+    }
+).extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA)


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
-    await ble_device_base.register_ble_device(var, config)
+    await esp32_ble_tracker.register_ble_device(var, config)
@@ -2,13 +2,15 @@
 #include "esphome/core/log.h"
 #include <cinttypes>

+#ifdef USE_ESP32
+
 namespace esphome::airthings_ble {

 static const char *const TAG = "airthings_ble";

-bool AirthingsListener::parse_device(const ble_device_base::ESPBTDevice &device) {
+bool AirthingsListener::parse_device(const esp32_ble_tracker::ESPBTDevice &device) {
  for (auto &it : device.get_manufacturer_datas()) {
-    if (it.uuid == ble_device_base::ESPBTUUID::from_uint32(0x0334)) {
+    if (it.uuid == esp32_ble_tracker::ESPBTUUID::from_uint32(0x0334)) {
      if (it.data.size() < 4)
        continue;

@@ -27,3 +29,5 @@ bool AirthingsListener::parse_device(const ble_device_base::ESPBTDevice &device)
 }

 }  // namespace esphome::airthings_ble
+
+#endif
@@ -1,13 +1,17 @@
 #pragma once

+#ifdef USE_ESP32
+
 #include "esphome/core/component.h"
-#include "esphome/components/ble_device_base/ble_device.h"
+#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"

 namespace esphome::airthings_ble {

-class AirthingsListener final : public ble_device_base::ESPBTDeviceListener {
+class AirthingsListener final : public esp32_ble_tracker::ESPBTDeviceListener {
 public:
-  bool parse_device(const ble_device_base::ESPBTDevice &device) override;
+  bool parse_device(const esp32_ble_tracker::ESPBTDevice &device) override;
 };

 }  // namespace esphome::airthings_ble
+
+#endif
@@ -20,8 +20,6 @@ from esphome.const import (
    UNIT_PERCENT,
    UNIT_VOLT,
 )
-from esphome.cpp_generator import MockObj
-from esphome.types import ConfigType

 CODEOWNERS = ["@ncareau", "@jeromelaban"]

@@ -80,7 +78,7 @@ BASE_SCHEMA = (
 )


-async def wave_base_to_code(var: MockObj, config: ConfigType) -> None:
+async def wave_base_to_code(var, config):
    await cg.register_component(var, config)

    await ble_client.register_ble_node(var, config)
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import airthings_wave_base
 import esphome.config_validation as cv
 from esphome.const import CONF_ID
-from esphome.types import ConfigType

 DEPENDENCIES = airthings_wave_base.DEPENDENCIES

@@ -21,6 +20,6 @@ CONFIG_SCHEMA = airthings_wave_base.BASE_SCHEMA.extend(
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await airthings_wave_base.wave_base_to_code(var, config)
@@ -83,7 +83,7 @@ CONFIG_SCHEMA = cv.All(
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await airthings_wave_base.wave_base_to_code(var, config)

@@ -162,9 +162,8 @@ void Alpha3::send_request_(uint8_t *request, size_t len) {
  auto status =
      esp_ble_gattc_write_char(this->parent_->get_gattc_if(), this->parent_->get_conn_id(), this->geni_handle_, len,
                               request, ESP_GATT_WRITE_TYPE_NO_RSP, ESP_GATT_AUTH_REQ_NONE);
-  if (status) {
+  if (status)
    ESP_LOGW(TAG, "[%s] esp_ble_gattc_write_char failed, status=%d", this->parent_->address_str(), status);
-  }
 }

 void Alpha3::update() {
@@ -20,7 +20,6 @@ from esphome.const import (
    UNIT_VOLT,
    UNIT_WATT,
 )
-from esphome.types import ConfigType

 alpha3_ns = cg.esphome_ns.namespace("alpha3")
 Alpha3 = alpha3_ns.class_("Alpha3", ble_client.BLEClientNode, cg.PollingComponent)
@@ -69,7 +68,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await ble_client.register_ble_node(var, config)
@@ -11,7 +11,6 @@ from esphome.const import (
    UNIT_CELSIUS,
    UNIT_PERCENT,
 )
-from esphome.types import ConfigType

 DEPENDENCIES = ["i2c"]

@@ -41,7 +40,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await i2c.register_i2c_device(var, config)
@@ -11,7 +11,6 @@ from esphome.const import (
    UNIT_CELSIUS,
    UNIT_PERCENT,
 )
-from esphome.types import ConfigType

 DEPENDENCIES = ["i2c"]

@@ -43,7 +42,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await i2c.register_i2c_device(var, config)
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import ble_client, cover
 import esphome.config_validation as cv
 from esphome.const import CONF_PIN
-from esphome.types import ConfigType

 CODEOWNERS = ["@buxtronix"]
 DEPENDENCIES = ["ble_client"]
@@ -28,7 +27,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = await cover.new_cover(config)
    cg.add(var.set_pin(config[CONF_PIN]))
    cg.add(var.set_invert_position(config[CONF_INVERT_POSITION]))
@@ -11,7 +11,6 @@ from esphome.const import (
    STATE_CLASS_MEASUREMENT,
    UNIT_PERCENT,
 )
-from esphome.types import ConfigType

 AUTO_LOAD = ["am43"]
 CODEOWNERS = ["@buxtronix"]
@@ -43,7 +42,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await ble_client.register_ble_node(var, config)
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import binary_sensor, sensor
 import esphome.config_validation as cv
 from esphome.const import CONF_SENSOR_ID, CONF_THRESHOLD
-from esphome.types import ConfigType

 analog_threshold_ns = cg.esphome_ns.namespace("analog_threshold")

@@ -33,7 +32,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = await binary_sensor.new_binary_sensor(config)
    await cg.register_component(var, config)

@@ -13,13 +13,8 @@
 import esphome.components.image as espImage
 import esphome.config_validation as cv

-from . import image as animation_image
 from .image import ANIMATION_CONFIG_SCHEMA, setup_animation

-# The deprecated top-level `animation:` shim gets the same batched
-# downloads as the `image:` platform form.
-PREFETCH_FILES = animation_image.PREFETCH_FILES
-
 AUTO_LOAD = ["image", "file"]
 CODEOWNERS = ["@syndlex"]
 DEPENDENCIES = ["display"]
@@ -1,20 +1,13 @@
 from esphome import automation
 import esphome.codegen as cg
 from esphome.components.const import CONF_LOOP
-from esphome.components.file import image as file_image
 from esphome.components.file.image import image_schema, write_image
 from esphome.components.image import Image_, validate_settings
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, CONF_REPEAT
-from esphome.core import ID
-from esphome.cpp_generator import MockObj, TemplateArgsType
 from esphome.types import ConfigType

 CODEOWNERS = ["@syndlex"]
-
-# The animation platform shares the file platform's remote file handling,
-# including its batch-download hook.
-PREFETCH_FILES = file_image.PREFETCH_FILES
 AUTO_LOAD = ["file"]
 DEPENDENCIES = ["display"]

@@ -81,12 +74,7 @@ SET_FRAME_SCHEMA = cv.Schema(
@automation.register_action(
    "animation.set_frame", SetFrameAction, SET_FRAME_SCHEMA, synchronous=True
 )
-async def animation_action_to_code(
-    config: ConfigType,
-    action_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
+async def animation_action_to_code(config, action_id, template_arg, args):
    paren = await cg.get_variable(config[CONF_ID])
    var = cg.new_Pvariable(action_id, template_arg, paren)

@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import ble_client, climate
 import esphome.config_validation as cv
 from esphome.const import CONF_UNIT_OF_MEASUREMENT
-from esphome.types import ConfigType

 UNITS = {
    "f": "f",
@@ -29,7 +28,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = await climate.new_climate(config)
    await cg.register_component(var, config)
    await ble_client.register_ble_node(var, config)
@@ -1,8 +1,6 @@
 # Based on this datasheet:
 # https://www.mouser.ca/datasheet/2/678/AVGO_S_A0002854364_1-2574547.pdf

-from typing import Any
-
 import esphome.codegen as cg
 from esphome.components import i2c, sensor
 import esphome.config_validation as cv
@@ -13,8 +11,6 @@ from esphome.const import (
    STATE_CLASS_MEASUREMENT,
    UNIT_LUX,
 )
-from esphome.cpp_generator import MockObj
-from esphome.types import ConfigType

 DEPENDENCIES = ["i2c"]

@@ -59,7 +55,7 @@ AMBIENT_LIGHT_GAINS = {
 }


-def _validate_measurement_rate(value: Any) -> MockObj:
+def _validate_measurement_rate(value):
    value = cv.positive_time_period_milliseconds(value)
    return cv.enum(MEASUREMENT_RATES, int=True)(value.total_milliseconds)

@@ -89,7 +85,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = await sensor.new_sensor(config)
    await cg.register_component(var, config)
    await i2c.register_i2c_device(var, config)
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import i2c
 import esphome.config_validation as cv
 from esphome.const import CONF_ID
-from esphome.types import ConfigType

 DEPENDENCIES = ["i2c"]
 MULTI_CONF = True
@@ -58,7 +57,7 @@ CONFIG_SCHEMA = (
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await i2c.register_i2c_device(var, config)
@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components import binary_sensor
 import esphome.config_validation as cv
 from esphome.const import CONF_DIRECTION, DEVICE_CLASS_MOVING
-from esphome.types import ConfigType

 from . import APDS9960, CONF_APDS9960_ID

@@ -20,7 +19,7 @@ CONFIG_SCHEMA = binary_sensor.binary_sensor_schema(
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    hub = await cg.get_variable(config[CONF_APDS9960_ID])
    var = await binary_sensor.new_binary_sensor(config)
    func = getattr(hub, f"set_{config[CONF_DIRECTION]}_direction_binary_sensor")
@@ -7,7 +7,6 @@ from esphome.const import (
    STATE_CLASS_MEASUREMENT,
    UNIT_PERCENT,
 )
-from esphome.types import ConfigType

 from . import APDS9960, CONF_APDS9960_ID

@@ -28,7 +27,7 @@ CONFIG_SCHEMA = sensor.sensor_schema(
 )


-async def to_code(config: ConfigType) -> None:
+async def to_code(config):
    hub = await cg.get_variable(config[CONF_APDS9960_ID])
    var = await sensor.new_sensor(config)
    func = getattr(hub, f"set_{config[CONF_TYPE]}_sensor")
@@ -1,22 +1,11 @@
+import base64
 import logging
-import re
-from typing import Any

 from esphome import automation
 from esphome.automation import Condition
 import esphome.codegen as cg
-from esphome.components.const import CONF_DESCRIPTION
 from esphome.components.logger import request_log_listener
-
-# ENCRYPTION_SCHEMA and validate_encryption_key are re-exported for external
-# components and downstream consumers that import them from api
-from esphome.components.noise import (  # noqa: F401
-    ENCRYPTION_SCHEMA,
-    decode_encryption_key,
-    encryption_schema,
-    validate_encryption_key,
-)
-from esphome.config_helpers import filter_source_files_from_defines, get_logger_level
+from esphome.config_helpers import get_logger_level
 import esphome.config_validation as cv
 from esphome.const import (
    CONF_ACTION,
@@ -24,7 +13,6 @@ from esphome.const import (
    CONF_CAPTURE_RESPONSE,
    CONF_DATA,
    CONF_DATA_TEMPLATE,
-    CONF_ENCRYPTION,
    CONF_EVENT,
    CONF_ID,
    CONF_KEY,
@@ -42,18 +30,12 @@ from esphome.const import (
    CONF_TAG,
    CONF_THEN,
    CONF_TRIGGER_ID,
-    CONF_TYPE,
    CONF_VARIABLES,
 )
 from esphome.core import CORE, ID, CoroPriority, EsphomeError, coroutine_with_priority
 from esphome.cpp_generator import MockObj, TemplateArgsType
-from esphome.helpers import fnv1_hash
 from esphome.types import ConfigFragmentType, ConfigType

-# Compat alias: downstream consumers (e.g. device-builder) referenced the
-# schema by its old private name before it moved to the noise component
-_encryption_schema = encryption_schema
-
 _LOGGER = logging.getLogger(__name__)

 DOMAIN = "api"
@@ -62,15 +44,9 @@ CODEOWNERS = ["@esphome/core"]


 def AUTO_LOAD(config: ConfigType) -> list[str]:
-    """Conditionally auto-load noise (encryption) and json (capture_response)."""
+    """Conditionally auto-load json only when capture_response is used."""
    base = ["socket"]

-    # A falsy config is a tooling probe for the maximal set (None from
-    # dependency resolution, {} from the components-graph platform probe);
-    # a validated config always carries defaults, never empty
-    if not config or CONF_ENCRYPTION in config:
-        base = base + ["noise"]
-
    # Check if any homeassistant.action/homeassistant.service has capture_response: true
    # This flag is set during config validation in _validate_response_config
    if not config or CORE.data.get(DOMAIN, {}).get(CONF_CAPTURE_RESPONSE, False):
@@ -126,9 +102,9 @@ SERVICE_ARG_FALLBACK_TYPES: dict[str, MockObj] = {
        for name, t in _SERVICE_ARG_SCALAR_TYPES.items()
    },
 }
+CONF_ENCRYPTION = "encryption"
 CONF_BATCH_DELAY = "batch_delay"
 CONF_CUSTOM_SERVICES = "custom_services"
-CONF_EXAMPLE = "example"
 CONF_HOMEASSISTANT_SERVICES = "homeassistant_services"
 CONF_HOMEASSISTANT_STATES = "homeassistant_states"
 CONF_LISTEN_BACKLOG = "listen_backlog"
@@ -153,6 +129,20 @@ def _register_provisioning_source(config: ConfigType) -> ConfigType:
    return config


+def validate_encryption_key(value):
+    value = cv.string_strict(value)
+    try:
+        decoded = base64.b64decode(value, validate=True)
+    except ValueError as err:
+        raise cv.Invalid("Invalid key format, please check it's using base64") from err
+
+    if len(decoded) != 32:
+        raise cv.Invalid("Encryption key must be base64 and 32 bytes long")
+
+    # Return original data for roundtrip conversion
+    return value
+
+
 CONF_SUPPORTS_RESPONSE = "supports_response"

 # Enum values in api::enums namespace
@@ -227,35 +217,19 @@ def _auto_detect_supports_response(config: ConfigType) -> ConfigType:
    return config


-def _validate_supports_response(value: Any) -> str:
+def _validate_supports_response(value):
    """Validate supports_response after auto-detection has set the value."""
    return cv.enum(SUPPORTS_RESPONSE_OPTIONS, lower=True)(value)


-# ESP8266 copies every string of an action into a stack buffer sized by codegen; keep it small
-ESP8266_ACTION_STRINGS_MAX_TOTAL = 384
-
-VARIABLE_SCHEMA = cv.Schema(
-    {
-        cv.Required(CONF_TYPE): cv.one_of(*SERVICE_ARG_NATIVE_TYPES, lower=True),
-        cv.Optional(CONF_DESCRIPTION): cv.string_strict,
-        cv.Optional(CONF_EXAMPLE): cv.string_strict,
-    }
-)
-
-# Accepts the plain `name: type` shorthand or the full mapping form
-validate_variable = cv.maybe_simple_value(VARIABLE_SCHEMA, key=CONF_TYPE)
-
-
 ACTIONS_SCHEMA = automation.validate_automation(
    {
        cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(UserServiceTrigger),
        cv.Exclusive(CONF_SERVICE, group_of_exclusion=CONF_ACTION): cv.valid_name,
        cv.Exclusive(CONF_ACTION, group_of_exclusion=CONF_ACTION): cv.valid_name,
-        cv.Optional(CONF_DESCRIPTION): cv.string_strict,
        cv.Optional(CONF_VARIABLES, default={}): cv.Schema(
            {
-                cv.validate_id_name: validate_variable,
+                cv.validate_id_name: cv.one_of(*SERVICE_ARG_NATIVE_TYPES, lower=True),
            }
        ),
        # No default - auto-detected by _auto_detect_supports_response
@@ -275,6 +249,18 @@ ACTIONS_SCHEMA = automation.validate_automation(
    ),
 )

+ENCRYPTION_SCHEMA = cv.Schema(
+    {
+        cv.Optional(CONF_KEY): cv.sensitive(validate_encryption_key),
+    }
+)
+
+
+def _encryption_schema(config):
+    if config is None:
+        config = {}
+    return ENCRYPTION_SCHEMA(config)
+

 def _consume_api_sockets(config: ConfigType) -> ConfigType:
    """Register socket needs for API component."""
@@ -310,7 +296,7 @@ CONFIG_SCHEMA = cv.All(
                CONF_SERVICES, group_of_exclusion=CONF_ACTIONS
            ): ACTIONS_SCHEMA,
            cv.Exclusive(CONF_ACTIONS, group_of_exclusion=CONF_ACTIONS): ACTIONS_SCHEMA,
-            cv.Optional(CONF_ENCRYPTION): encryption_schema,
+            cv.Optional(CONF_ENCRYPTION): _encryption_schema,
            cv.Optional(CONF_BATCH_DELAY, default="100ms"): cv.All(
                cv.positive_time_period_milliseconds,
                cv.Range(max=cv.TimePeriod(milliseconds=65535)),
@@ -372,85 +358,6 @@ CONFIG_SCHEMA = cv.All(
 )


-def _has_action_metadata(actions: list[ConfigType]) -> bool:
-    # Empty strings count as unset, matching _action_strings
-    return any(
-        conf.get(CONF_DESCRIPTION)
-        or any(
-            var_.get(CONF_DESCRIPTION) or var_.get(CONF_EXAMPLE)
-            for var_ in conf[CONF_VARIABLES].values()
-        )
-        for conf in actions
-    )
-
-
-def _action_strings(conf: ConfigType, has_metadata: bool) -> list[str | None]:
-    """Strings of one action in the table order UserServiceStatic (user_services.h) expects."""
-    # An empty description or example is treated as unset
-    strings: list[str | None] = [conf[CONF_ACTION]]
-    if has_metadata:
-        strings.append(conf.get(CONF_DESCRIPTION) or None)
-    for name, var_ in conf[CONF_VARIABLES].items():
-        strings.append(name)
-        if has_metadata:
-            strings += [
-                var_.get(CONF_DESCRIPTION) or None,
-                var_.get(CONF_EXAMPLE) or None,
-            ]
-    return strings
-
-
-def _action_strings_size(strings: list[str | None]) -> int:
-    """Bytes needed to copy every string out of flash, each with its terminator."""
-    return sum(
-        len(string.encode("utf-8")) + 1 for string in strings if string is not None
-    )
-
-
-def _validate_esp8266_action_strings(config: ConfigType) -> ConfigType:
-    if not CORE.is_esp8266:
-        return config
-    actions = config.get(CONF_ACTIONS, [])
-    has_metadata = _has_action_metadata(actions)
-    for conf in actions:
-        size = _action_strings_size(_action_strings(conf, has_metadata))
-        if size > ESP8266_ACTION_STRINGS_MAX_TOTAL:
-            raise cv.Invalid(
-                f"Action '{conf[CONF_ACTION]}' has {size} bytes of name, variable name, "
-                f"description and example text; ESP8266 allows at most "
-                f"{ESP8266_ACTION_STRINGS_MAX_TOTAL} bytes per action"
-            )
-    return config
-
-
-FINAL_VALIDATE_SCHEMA = _validate_esp8266_action_strings
-
-
-def _add_action_strings(
-    index: int, strings: list[str | None], interned: dict[str, MockObj]
-) -> MockObj:
-    """Emit the PROGMEM string table for one action.
-
-    Each string is its own PROGMEM array because on ESP8266 .rodata is RAM, and identical
-    strings are shared between actions through `interned`.
-    """
-    entries: list[MockObj] = []
-    for string in strings:
-        if string is None:
-            entries.append(cg.nullptr)
-            continue
-        if (var := interned.get(string)) is None:
-            var = interned[string] = cg.progmem_array(
-                ID(f"api_action_str{len(interned)}", is_declaration=True, type=cg.char),
-                string,
-            )
-        entries.append(var)
-    return cg.progmem_array(
-        ID(f"api_action{index}_strings", is_declaration=True, type=cg.const_char_ptr),
-        entries,
-    )
-
-
@coroutine_with_priority(CoroPriority.WEB)
 async def to_code(config: ConfigType) -> None:
    var = cg.new_Pvariable(config[CONF_ID])
@@ -470,10 +377,8 @@ async def to_code(config: ConfigType) -> None:
    cg.add_define("MAX_API_CONNECTIONS", config[CONF_MAX_CONNECTIONS])
    cg.add_define("API_MAX_SEND_QUEUE", config[CONF_MAX_SEND_QUEUE])

-    actions = config.get(CONF_ACTIONS, [])
-    has_user_actions = bool(actions) or config[CONF_CUSTOM_SERVICES]
    # Set USE_API_USER_DEFINED_ACTIONS if any services are enabled
-    if has_user_actions:
+    if config.get(CONF_ACTIONS) or config[CONF_CUSTOM_SERVICES]:
        cg.add_define("USE_API_USER_DEFINED_ACTIONS")

    # Set USE_API_CUSTOM_SERVICES if external components need dynamic service registration
@@ -486,17 +391,10 @@ async def to_code(config: ConfigType) -> None:
    if config[CONF_HOMEASSISTANT_STATES]:
        cg.add_define("USE_API_HOMEASSISTANT_STATES")

-    scratch_size = 0
-    if actions:
-        # Metadata is compiled in for every action once any action declares it, because the
-        # string table layout is fixed by the define rather than per action
-        has_metadata = _has_action_metadata(actions)
-        if has_metadata:
-            cg.add_define("USE_API_USER_DEFINED_ACTION_METADATA")
-        interned_strings: dict[str, MockObj] = {}
+    if actions := config.get(CONF_ACTIONS, []):
        # Collect all triggers first, then register all at once with initializer_list
-        triggers: list[cg.MockObj] = []
-        for index, conf in enumerate(actions):
+        triggers: list[cg.Pvariable] = []
+        for conf in actions:
            func_args: list[tuple[MockObj, str]] = []
            service_template_args: list[MockObj] = []  # User service argument types

@@ -529,23 +427,22 @@ async def to_code(config: ConfigType) -> None:
                conf.get(CONF_THEN, [])
            )

+            service_arg_names: list[str] = []
            for name, var_ in conf[CONF_VARIABLES].items():
-                var_type = var_[CONF_TYPE]
-                if has_non_synchronous and var_type in SERVICE_ARG_FALLBACK_TYPES:
-                    native = SERVICE_ARG_FALLBACK_TYPES[var_type]
+                if has_non_synchronous and var_ in SERVICE_ARG_FALLBACK_TYPES:
+                    native = SERVICE_ARG_FALLBACK_TYPES[var_]
                else:
-                    native = SERVICE_ARG_NATIVE_TYPES[var_type]
+                    native = SERVICE_ARG_NATIVE_TYPES[var_]
                service_template_args.append(native)
                func_args.append((native, name))
-            strings = _action_strings(conf, has_metadata)
-            table = _add_action_strings(index, strings, interned_strings)
-            if CORE.is_esp8266:
-                scratch_size = max(scratch_size, _action_strings_size(strings))
+                service_arg_names.append(name)
            # Template args: supports_response mode, then user service arg types
            templ = cg.TemplateArguments(supports_response, *service_template_args)
-            # Key is hashed here because the name is not readable at runtime on ESP8266
            trigger = cg.new_Pvariable(
-                conf[CONF_TRIGGER_ID], templ, table, fnv1_hash(conf[CONF_ACTION])
+                conf[CONF_TRIGGER_ID],
+                templ,
+                conf[CONF_ACTION],
+                service_arg_names,
            )
            triggers.append(trigger)
            auto = await automation.build_automation(trigger, func_args, conf)
@@ -567,9 +464,6 @@ async def to_code(config: ConfigType) -> None:
                cg.add(auto.add_actions([unregister_action]))
        # Register all services at once - single allocation, no reallocations
        cg.add(var.initialize_user_services(triggers))
-    if CORE.is_esp8266 and has_user_actions:
-        # Stack buffer that list-entities copies PROGMEM strings into, sized for the largest action
-        cg.add_define("API_USER_ACTION_STRINGS_SCRATCH_SIZE", max(scratch_size, 1))

    if CONF_ON_CLIENT_CONNECTED in config:
        cg.add_define("USE_API_CLIENT_CONNECTED_TRIGGER")
@@ -589,7 +483,7 @@ async def to_code(config: ConfigType) -> None:

    if (encryption_config := config.get(CONF_ENCRYPTION, None)) is not None:
        if key := encryption_config.get(CONF_KEY):
-            decoded = decode_encryption_key(key)
+            decoded = base64.b64decode(key)
            cg.add(var.set_noise_psk(list(decoded)))
            cg.add_define("USE_API_NOISE_PSK_FROM_YAML")
        else:
@@ -603,6 +497,10 @@ async def to_code(config: ConfigType) -> None:
            # and plaintext disabled. Only a factory reset can remove it.
            cg.add_define("USE_API_PLAINTEXT")
        cg.add_define("USE_API_NOISE")
+        cg.add_library("esphome/noise-c", "0.1.11")
+        # Enable optimized memzero/memcmp in libsodium instead of volatile byte loops
+        cg.add_build_flag("-DHAVE_WEAK_SYMBOLS=1")
+        cg.add_build_flag("-DHAVE_INLINE_ASM=1")
    else:
        cg.add_define("USE_API_PLAINTEXT")

@@ -612,40 +510,6 @@ async def to_code(config: ConfigType) -> None:

 KEY_VALUE_SCHEMA = cv.Schema({cv.string: cv.templatable(cv.string_strict)})

-_ID_CALL_PROG = re.compile(r"\bid\s*\(")
-
-
-# Remove before 2027.3.0: untagged strings that look like lambda source keep
-# being compiled as lambdas during the deprecation window
-def _coerce_implicit_lambda(value: Any) -> Any:
-    if not isinstance(value, str):
-        return value
-    if cv.looks_like_returning_lambda(value):
-        _LOGGER.warning(
-            "[api] The 'variables' value '%s' looks like a lambda but is "
-            "missing the !lambda tag. It is compiled as a lambda for now but "
-            "will be sent as literal text from 2027.3.0. Add !lambda to keep "
-            "it evaluated; literal text belongs under 'data:'.",
-            value,
-        )
-        # cv.templatable runs returning_lambda on the coerced Lambda
-        return cv.lambda_(value)
-    if _ID_CALL_PROG.search(value):
-        # lambda source without a return: issue 5394's mistake class
-        _LOGGER.warning(
-            "[api] The 'variables' value '%s' is sent as literal text; wrap "
-            "it in !lambda 'return ...;' to evaluate it instead.",
-            value,
-        )
-    return value
-
-
-# Static strings or !lambda values. cv.templatable stays introspectable for
-# schema tooling; removing the shim leaves KEY_VALUE_SCHEMA.
-VARIABLES_SCHEMA = cv.Schema(
-    {cv.string: cv.All(_coerce_implicit_lambda, cv.templatable(cv.string_strict))}
-)
-

 def _validate_response_config(config: ConfigType) -> ConfigType:
    # Validate dependencies:
@@ -682,7 +546,9 @@ HOMEASSISTANT_ACTION_ACTION_SCHEMA = cv.All(
            ),
            cv.Optional(CONF_DATA, default={}): KEY_VALUE_SCHEMA,
            cv.Optional(CONF_DATA_TEMPLATE, default={}): KEY_VALUE_SCHEMA,
-            cv.Optional(CONF_VARIABLES, default={}): VARIABLES_SCHEMA,
+            cv.Optional(CONF_VARIABLES, default={}): cv.Schema(
+                {cv.string: cv.returning_lambda}
+            ),
            cv.Optional(CONF_RESPONSE_TEMPLATE): cv.templatable(cv.string),
            cv.Optional(CONF_CAPTURE_RESPONSE, default=False): cv.boolean,
            cv.Optional(CONF_ON_SUCCESS): automation.validate_automation(single=True),
@@ -715,7 +581,7 @@ async def homeassistant_service_to_code(
    action_id: ID,
    template_arg: cg.TemplateArguments,
    args: TemplateArgsType,
-) -> MockObj:
+):
    cg.add_define("USE_API_HOMEASSISTANT_SERVICES")
    serv = await cg.get_variable(config[CONF_ID])
    var = cg.new_Pvariable(action_id, template_arg, serv, False)
@@ -743,8 +609,6 @@ async def homeassistant_service_to_code(
    cg.add(var.init_variables(len(config[CONF_VARIABLES])))
    for key, value in config[CONF_VARIABLES].items():
        templ = await cg.templatable(value, args, None)
-        if isinstance(templ, str):
-            templ = cg.FlashStringLiteral(templ)
        cg.add(var.add_variable(cg.FlashStringLiteral(key), templ))

    if on_error := config.get(CONF_ON_ERROR):
@@ -783,7 +647,7 @@ async def homeassistant_service_to_code(
    return var


-def validate_homeassistant_event(value: Any) -> str:
+def validate_homeassistant_event(value):
    value = cv.string(value)
    if not value.startswith("esphome."):
        raise cv.Invalid(
@@ -799,7 +663,7 @@ HOMEASSISTANT_EVENT_ACTION_SCHEMA = cv.Schema(
        cv.Required(CONF_EVENT): validate_homeassistant_event,
        cv.Optional(CONF_DATA, default={}): KEY_VALUE_SCHEMA,
        cv.Optional(CONF_DATA_TEMPLATE, default={}): KEY_VALUE_SCHEMA,
-        cv.Optional(CONF_VARIABLES, default={}): VARIABLES_SCHEMA,
+        cv.Optional(CONF_VARIABLES, default={}): KEY_VALUE_SCHEMA,
    }
 )

@@ -812,12 +676,7 @@ HOMEASSISTANT_EVENT_ACTION_SCHEMA = cv.Schema(
    HOMEASSISTANT_EVENT_ACTION_SCHEMA,
    synchronous=True,
 )
-async def homeassistant_event_to_code(
-    config: ConfigType,
-    action_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
+async def homeassistant_event_to_code(config, action_id, template_arg, args):
    cg.add_define("USE_API_HOMEASSISTANT_SERVICES")
    serv = await cg.get_variable(config[CONF_ID])
    var = cg.new_Pvariable(action_id, template_arg, serv, True)
@@ -845,8 +704,6 @@ async def homeassistant_event_to_code(
    cg.add(var.init_variables(len(config[CONF_VARIABLES])))
    for key, value in config[CONF_VARIABLES].items():
        templ = await cg.templatable(value, args, None)
-        if isinstance(templ, str):
-            templ = cg.FlashStringLiteral(templ)
        cg.add(var.add_variable(cg.FlashStringLiteral(key), templ))

    return var
@@ -867,12 +724,7 @@ HOMEASSISTANT_TAG_SCANNED_ACTION_SCHEMA = cv.maybe_simple_value(
    HOMEASSISTANT_TAG_SCANNED_ACTION_SCHEMA,
    synchronous=True,
 )
-async def homeassistant_tag_scanned_to_code(
-    config: ConfigType,
-    action_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
+async def homeassistant_tag_scanned_to_code(config, action_id, template_arg, args):
    cg.add_define("USE_API_HOMEASSISTANT_SERVICES")
    serv = await cg.get_variable(config[CONF_ID])
    var = cg.new_Pvariable(action_id, template_arg, serv, True)
@@ -888,7 +740,7 @@ CONF_SUCCESS = "success"
 CONF_ERROR_MESSAGE = "error_message"


-def _validate_api_respond_data(config: ConfigType) -> ConfigType:
+def _validate_api_respond_data(config):
    """Set flag during validation so AUTO_LOAD can include json component."""
    if CONF_DATA in config:
        CORE.data.setdefault(DOMAIN, {})[CONF_CAPTURE_RESPONSE] = True
@@ -972,32 +824,18 @@ API_CONNECTED_CONDITION_SCHEMA = cv.Schema(
@automation.register_condition(
    "api.connected", APIConnectedCondition, API_CONNECTED_CONDITION_SCHEMA
 )
-async def api_connected_to_code(
-    config: ConfigType,
-    condition_id: ID,
-    template_arg: cg.TemplateArguments,
-    args: TemplateArgsType,
-) -> MockObj:
+async def api_connected_to_code(config, condition_id, template_arg, args):
    var = cg.new_Pvariable(condition_id, template_arg)
    templ = await cg.templatable(config[CONF_STATE_SUBSCRIPTION_ONLY], args, cg.bool_)
    cg.add(var.set_state_subscription_only(templ))
    return var


-# user_services.cpp is only needed when user defined actions exist; the
-# frame helpers are fully #ifdef'd on the protocol defines set in to_code
-# (both are set when encryption is configured without a key).
-_define_filter = filter_source_files_from_defines(
-    {
-        "user_services.cpp": "USE_API_USER_DEFINED_ACTIONS",
-        "api_frame_helper_noise.cpp": "USE_API_NOISE",
-        "api_frame_helper_plaintext.cpp": "USE_API_PLAINTEXT",
-    }
-)
-
-
 def FILTER_SOURCE_FILES() -> list[str]:
-    files_to_filter = _define_filter()
+    """Filter out api_pb2_dump.cpp when proto message dumping is not enabled,
+    user_services.cpp when no services are defined, and protocol-specific
+    implementations based on encryption configuration."""
+    files_to_filter: list[str] = []

    # api_pb2_dump.cpp is only needed when HAS_PROTO_MESSAGE_DUMP is defined
    # This is a particularly large file that still needs to be opened and read
@@ -1008,4 +846,21 @@ def FILTER_SOURCE_FILES() -> list[str]:
    if get_logger_level() != "VERY_VERBOSE":
        files_to_filter.append("api_pb2_dump.cpp")

+    # user_services.cpp is only needed when services are defined
+    config = CORE.config.get(DOMAIN, {})
+    if config and not config.get(CONF_ACTIONS) and not config[CONF_CUSTOM_SERVICES]:
+        files_to_filter.append("user_services.cpp")
+
+    # Filter protocol-specific implementations based on encryption configuration
+    encryption_config = config.get(CONF_ENCRYPTION) if config else None
+
+    # If encryption is not configured at all, we only need plaintext
+    if encryption_config is None:
+        files_to_filter.append("api_frame_helper_noise.cpp")
+    # If encryption is configured with a key, we only need noise
+    elif encryption_config.get(CONF_KEY):
+        files_to_filter.append("api_frame_helper_plaintext.cpp")
+    # If encryption is configured but no key is provided, we need both
+    # (this allows a plaintext client to provide a noise key)
+
    return files_to_filter
@@ -19,7 +19,6 @@ service APIConnection {
  rpc device_info (DeviceInfoRequest) returns (DeviceInfoResponse) {
    option (needs_authentication) = false;
  }
-  rpc device_capabilities (DeviceCapabilitiesRequest) returns (DeviceCapabilitiesResponse) {}
  rpc list_entities (ListEntitiesRequest) returns (void) {}
  rpc subscribe_states (SubscribeStatesRequest) returns (void) {}
  rpc subscribe_logs (SubscribeLogsRequest) returns (void) {}
@@ -232,7 +231,6 @@ enum SerialProxyPortType {
 message SerialProxyInfo {
  string name = 1;                    // Human-readable port name
  SerialProxyPortType port_type = 2;  // Port type (RS232, RS485)
-  uint32 configured_line_states = 3;  // Bitmask of SerialProxyLineStateFlags this instance can drive
 }

 // DeviceInfoResponse max_data_length values:
@@ -245,12 +243,6 @@ message SerialProxyInfo {
 //   model = 127 (core/config.BOARD_MAX_LENGTH, validated in platform schemas)
 //   project_name/project_version = 127 (core/config.PROJECT_MAX_LENGTH)
 //   suggested_area = 120 (core/config.FRIENDLY_NAME_MAX_LEN via AREA_SCHEMA)
-//
-// Some fields below are marked "Superseded by DeviceCapabilitiesResponse". They
-// have moved to that message as of API 1.15, but are still sent here so that
-// older clients keep working. Do NOT mark them (deprecated) until the removal
-// release: in this repo (deprecated) makes the generator drop the field
-// entirely, so the device would stop sending it.
 message DeviceInfoResponse {
  option (id) = 10;
  option (source) = SOURCE_SERVER;
@@ -288,8 +280,6 @@ message DeviceInfoResponse {

  // Deprecated in API version 1.9
  uint32 legacy_bluetooth_proxy_version = 11 [deprecated=true, (field_ifdef) = "USE_BLUETOOTH_PROXY"];
-
-  // Superseded by DeviceCapabilitiesResponse.bluetooth_proxy as of API 1.15.
  uint32 bluetooth_proxy_feature_flags = 15 [(field_ifdef) = "USE_BLUETOOTH_PROXY"];

  string manufacturer = 12 [(max_data_length) = 20, (force) = true];
@@ -298,14 +288,11 @@ message DeviceInfoResponse {

  // Deprecated in API version 1.10
  uint32 legacy_voice_assistant_version = 14 [deprecated=true, (field_ifdef) = "USE_VOICE_ASSISTANT"];
-
-  // Superseded by DeviceCapabilitiesResponse.voice_assistant as of API 1.15.
  uint32 voice_assistant_feature_flags = 17 [(field_ifdef) = "USE_VOICE_ASSISTANT"];

  string suggested_area = 16 [(max_data_length) = 120, (force) = true, (field_ifdef) = "USE_AREAS"];

  // The Bluetooth mac address of the device. For example "AC:BC:32:89:0E:AA"
-  // Superseded by DeviceCapabilitiesResponse.bluetooth_proxy.mac_address as of API 1.15.
  string bluetooth_mac_address = 18 [(max_data_length) = 17, (force) = true, (field_ifdef) = "USE_BLUETOOTH_PROXY"];

  // Supports receiving and saving api encryption key
@@ -318,13 +305,10 @@ message DeviceInfoResponse {
  AreaInfo area = 22 [(field_ifdef) = "USE_AREAS"];

  // Indicates if Z-Wave proxy support is available and features supported
-  // Superseded by DeviceCapabilitiesResponse.zwave_proxy as of API 1.15.
  uint32 zwave_proxy_feature_flags = 23 [(field_ifdef) = "USE_ZWAVE_PROXY"];
-  // Superseded by DeviceCapabilitiesResponse.zwave_proxy as of API 1.15.
  uint32 zwave_home_id = 24 [(field_ifdef) = "USE_ZWAVE_PROXY"];

  // Serial proxy instance metadata
-  // Superseded by DeviceCapabilitiesResponse.serial_proxies as of API 1.15.
  repeated SerialProxyInfo serial_proxies = 25 [(field_ifdef) = "USE_SERIAL_PROXY", (fixed_array_size_define) = "SERIAL_PROXY_COUNT"];

  // Device is unprovisioned and accepts Noise handshakes with the well-known
@@ -333,63 +317,6 @@ message DeviceInfoResponse {
  bool api_encryption_provisionable = 26 [(field_ifdef) = "USE_API_NOISE"];
 }

-// ==================== DEVICE CAPABILITIES ====================
-
-// Asks the device which optional features it supports.
-//
-// This message exists so that DeviceInfoResponse does not have to keep growing
-// a flat list of feature flags. DeviceInfoResponse is served before
-// authentication, so it is limited to identity information. Capabilities are
-// only served on an authenticated connection (encrypted as well, when
-// encryption is configured).
-//
-// Clients that see api_version >= 1.15 should read these values from
-// DeviceCapabilitiesResponse and ignore the matching DeviceInfoResponse fields.
-// Older clients keep reading DeviceInfoResponse, which still carries the same
-// values, so this is not a breaking change.
-message DeviceCapabilitiesRequest {
-  option (id) = 149;
-  option (source) = SOURCE_CLIENT;
-  // Empty
-}
-
-// Each feature gets its own sub-message so that it can gain fields over time
-// without crowding the top-level field numbering.
-//
-// Note: a sub-message whose fields are all at their default value is not sent
-// at all, so the presence of a sub-message is not a reliable test for "this
-// feature is compiled in". Clients should test a value inside it, for example
-// a non-zero feature_flags, exactly as they do today with DeviceInfoResponse.
-
-message BluetoothProxyCapabilities {
-  // Bitmask of the features this proxy supports
-  uint32 feature_flags = 1;
-  // The Bluetooth mac address of the device. For example "AC:BC:32:89:0E:AA"
-  string mac_address = 2 [(max_data_length) = 17, (force) = true];
-}
-
-message VoiceAssistantCapabilities {
-  // Bitmask of the features this voice assistant supports
-  uint32 feature_flags = 1;
-}
-
-message ZWaveProxyCapabilities {
-  // Bitmask of the features this proxy supports
-  uint32 feature_flags = 1;
-  uint32 home_id = 2;
-}
-
-message DeviceCapabilitiesResponse {
-  option (id) = 150;
-  option (source) = SOURCE_SERVER;
-
-  BluetoothProxyCapabilities bluetooth_proxy = 1 [(field_ifdef) = "USE_BLUETOOTH_PROXY"];
-  VoiceAssistantCapabilities voice_assistant = 2 [(field_ifdef) = "USE_VOICE_ASSISTANT"];
-  ZWaveProxyCapabilities zwave_proxy = 3 [(field_ifdef) = "USE_ZWAVE_PROXY"];
-  repeated SerialProxyInfo serial_proxies = 4
-      [(field_ifdef) = "USE_SERIAL_PROXY", (fixed_array_size_define) = "SERIAL_PROXY_COUNT"];
-}
-
 message ListEntitiesRequest {
  option (id) = 11;
  option (source) = SOURCE_CLIENT;
@@ -1003,12 +930,8 @@ message GetTimeResponse {
  option (no_delay) = true;

  fixed32 epoch_seconds = 1;
-  // Deprecated in 2026.9.0: clients still send this string for older firmware,
-  // but new firmware only reads parsed_timezone. Clients older than Home
-  // Assistant 2026.3.0 that send only the string leave the device on its
-  // codegen-configured timezone (or UTC).
-  string timezone = 2 [deprecated = true];
-  ParsedTimezone parsed_timezone = 3 [(track_presence) = true];
+  string timezone = 2;
+  ParsedTimezone parsed_timezone = 3;
 }

 // ==================== USER-DEFINES SERVICES ====================
@@ -1034,8 +957,6 @@ message ListEntitiesServicesArgument {
  option (ifdef) = "USE_API_USER_DEFINED_ACTIONS";
  string name = 1;
  ServiceArgType type = 2;
-  string description = 3 [(field_ifdef) = "USE_API_USER_DEFINED_ACTION_METADATA"];
-  string example = 4 [(field_ifdef) = "USE_API_USER_DEFINED_ACTION_METADATA"];
 }
 message ListEntitiesServicesResponse {
  option (id) = 41;
@@ -1046,7 +967,6 @@ message ListEntitiesServicesResponse {
  fixed32 key = 2 [(force) = true];
  repeated ListEntitiesServicesArgument args = 3 [(fixed_vector) = true];
  SupportsResponseType supports_response = 4;
-  string description = 5 [(field_ifdef) = "USE_API_USER_DEFINED_ACTION_METADATA"];
 }
 message ExecuteServiceArgument {
  option (ifdef) = "USE_API_USER_DEFINED_ACTIONS";
@@ -1657,8 +1577,7 @@ message ListEntitiesMediaPlayerResponse {
  bool disabled_by_default = 6;
  EntityCategory entity_category = 7;

-  // Deprecated in ESPHome 2026.9.0; use feature_flags instead.
-  bool supports_pause = 8 [deprecated = true];
+  bool supports_pause = 8;

  repeated MediaPlayerSupportedFormat supported_formats = 9;

@@ -1769,7 +1688,7 @@ enum BluetoothDeviceRequestType {
 message BluetoothDeviceRequest {
  option (id) = 68;
  option (source) = SOURCE_CLIENT;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  BluetoothDeviceRequestType request_type = 2;
@@ -1780,7 +1699,7 @@ message BluetoothDeviceRequest {
 message BluetoothDeviceConnectionResponse {
  option (id) = 69;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  bool connected = 2;
@@ -1791,7 +1710,7 @@ message BluetoothDeviceConnectionResponse {
 message BluetoothGATTGetServicesRequest {
  option (id) = 70;
  option (source) = SOURCE_CLIENT;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
 }
@@ -1835,7 +1754,7 @@ message BluetoothGATTService {
 message BluetoothGATTGetServicesResponse {
  option (id) = 71;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  repeated BluetoothGATTService services = 2;
@@ -1844,7 +1763,7 @@ message BluetoothGATTGetServicesResponse {
 message BluetoothGATTGetServicesDoneResponse {
  option (id) = 72;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
 }
@@ -1852,7 +1771,7 @@ message BluetoothGATTGetServicesDoneResponse {
 message BluetoothGATTReadRequest {
  option (id) = 73;
  option (source) = SOURCE_CLIENT;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 handle = 2;
@@ -1861,7 +1780,7 @@ message BluetoothGATTReadRequest {
 message BluetoothGATTReadResponse {
  option (id) = 74;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 handle = 2;
@@ -1873,7 +1792,7 @@ message BluetoothGATTReadResponse {
 message BluetoothGATTWriteRequest {
  option (id) = 75;
  option (source) = SOURCE_CLIENT;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 handle = 2;
@@ -1885,7 +1804,7 @@ message BluetoothGATTWriteRequest {
 message BluetoothGATTReadDescriptorRequest {
  option (id) = 76;
  option (source) = SOURCE_CLIENT;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 handle = 2;
@@ -1894,7 +1813,7 @@ message BluetoothGATTReadDescriptorRequest {
 message BluetoothGATTWriteDescriptorRequest {
  option (id) = 77;
  option (source) = SOURCE_CLIENT;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 handle = 2;
@@ -1905,7 +1824,7 @@ message BluetoothGATTWriteDescriptorRequest {
 message BluetoothGATTNotifyRequest {
  option (id) = 78;
  option (source) = SOURCE_CLIENT;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 handle = 2;
@@ -1915,7 +1834,7 @@ message BluetoothGATTNotifyRequest {
 message BluetoothGATTNotifyDataResponse {
  option (id) = 79;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 handle = 2;
@@ -1926,13 +1845,13 @@ message BluetoothGATTNotifyDataResponse {
 message SubscribeBluetoothConnectionsFreeRequest {
  option (id) = 80;
  option (source) = SOURCE_CLIENT;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";
 }

 message BluetoothConnectionsFreeResponse {
  option (id) = 81;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint32 free = 1;
  uint32 limit = 2;
@@ -1945,7 +1864,7 @@ message BluetoothConnectionsFreeResponse {
 message BluetoothGATTErrorResponse {
  option (id) = 82;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 handle = 2;
@@ -1955,7 +1874,7 @@ message BluetoothGATTErrorResponse {
 message BluetoothGATTWriteResponse {
  option (id) = 83;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 handle = 2;
@@ -1964,7 +1883,7 @@ message BluetoothGATTWriteResponse {
 message BluetoothGATTNotifyResponse {
  option (id) = 84;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 handle = 2;
@@ -1973,7 +1892,7 @@ message BluetoothGATTNotifyResponse {
 message BluetoothDevicePairingResponse {
  option (id) = 85;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  bool paired = 2;
@@ -1983,7 +1902,7 @@ message BluetoothDevicePairingResponse {
 message BluetoothDeviceUnpairingResponse {
  option (id) = 86;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  bool success = 2;
@@ -1999,7 +1918,7 @@ message UnsubscribeBluetoothLEAdvertisementsRequest {
 message BluetoothDeviceClearCacheResponse {
  option (id) = 88;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  bool success = 2;
@@ -2631,22 +2550,6 @@ message ZWaveProxyRequest {
  bytes data = 2;
 }

-enum ZWaveProxyStatus {
-  ZWAVE_PROXY_STATUS_OK = 0;             // Request completed successfully
-  ZWAVE_PROXY_STATUS_IN_USE = 1;         // Denied: another client is already subscribed
-  ZWAVE_PROXY_STATUS_NOT_SUPPORTED = 2;  // Request type not supported
-}
-
-// Acknowledges a ZWaveProxyRequest (subscribe/unsubscribe). Sent since API 1.16.
-message ZWaveProxyRequestResponse {
-  option (id) = 151;
-  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_ZWAVE_PROXY";
-
-  ZWaveProxyRequestType type = 1;  // Which request type this responds to
-  ZWaveProxyStatus status = 2;     // Result status
-}
-
 // ==================== INFRARED ====================
 // Note: Feature and capability flag enums are defined in
 // esphome/components/infrared/infrared.h
@@ -2790,18 +2693,12 @@ message SerialProxyGetModemPinsResponse {

  uint32 instance = 1;          // Instance index (0-based)
  uint32 line_states = 2;       // Bitmask of SerialProxyLineStateFlags
-  SerialProxyStatus status = 3; // INVALID_ARGUMENT if the instance index is out of range (since API 1.16)
 }

 enum SerialProxyRequestType {
  SERIAL_PROXY_REQUEST_TYPE_SUBSCRIBE = 0;   // Subscribe to receive data from this serial proxy instance
  SERIAL_PROXY_REQUEST_TYPE_UNSUBSCRIBE = 1; // Unsubscribe from this serial proxy instance
  SERIAL_PROXY_REQUEST_TYPE_FLUSH = 2;       // Flush the serial port (block until all TX data is sent)
-  // Values below are only valid in SerialProxyRequestResponse.type, identifying which
-  // operation is being acknowledged. Sending them in SerialProxyRequest.type is an
-  // error the device answers with INVALID_ARGUMENT.
-  SERIAL_PROXY_REQUEST_TYPE_CONFIGURE = 3;      // Acknowledges a SerialProxyConfigureRequest
-  SERIAL_PROXY_REQUEST_TYPE_SET_MODEM_PINS = 4; // Acknowledges a SerialProxySetModemPinsRequest
 }

 enum SerialProxyStatus {
@@ -2810,8 +2707,6 @@ enum SerialProxyStatus {
  SERIAL_PROXY_STATUS_ERROR = 2;           // Driver or hardware error
  SERIAL_PROXY_STATUS_TIMEOUT = 3;         // Timed out before TX completed
  SERIAL_PROXY_STATUS_NOT_SUPPORTED = 4;   // Request type not supported by this instance
-  SERIAL_PROXY_STATUS_PORT_IN_USE = 5;     // Denied: another client holds the port
-  SERIAL_PROXY_STATUS_INVALID_ARGUMENT = 6; // Invalid instance index or parameter value
 }

 // Generic request message for simple serial proxy operations
@@ -2824,9 +2719,7 @@ message SerialProxyRequest {
  SerialProxyRequestType type = 2;      // Request type
 }

-// Acknowledges a serial proxy operation; the type field identifies which
-// operation is being acknowledged. Flush has been acknowledged since the
-// message was introduced; all other acknowledgements are sent since API 1.16.
+// Response to a SerialProxyRequest (e.g. flush completion or failure)
 message SerialProxyRequestResponse {
  option (id) = 147;
  option (source) = SOURCE_SERVER;
@@ -2842,7 +2735,7 @@ message SerialProxyRequestResponse {
 message BluetoothSetConnectionParamsRequest {
  option (id) = 145;
  option (source) = SOURCE_CLIENT;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  uint32 min_interval = 2;  // units of 1.25ms
@@ -2854,7 +2747,7 @@ message BluetoothSetConnectionParamsRequest {
 message BluetoothSetConnectionParamsResponse {
  option (id) = 146;
  option (source) = SOURCE_SERVER;
-  option (ifdef) = "USE_BLUETOOTH_PROXY_CONNECTIONS";
+  option (ifdef) = "USE_BLUETOOTH_PROXY";

  uint64 address = 1;
  int32 error = 2;
@@ -1,20 +1,13 @@
 #include "api_buffer.h"
-#include <new>

 namespace esphome::api {

-bool APIBuffer::grow_(size_t n) {
-  // nothrow (no zero-fill) so OOM is reportable; plain new aborts instead
-  // (NEW_OOM_ABORT on ESP8266 Arduino, exception stub on ESP-IDF).
-  // RAMAllocator is no fit here: unique_ptr needs delete[]-compatible memory.
-  std::unique_ptr<uint8_t[]> new_data(new (std::nothrow) uint8_t[n]);
-  if (new_data == nullptr)
-    return false;
+void APIBuffer::grow_(size_t n) {
+  auto new_data = make_buffer(n);
  if (this->size_)
    std::memcpy(new_data.get(), this->data_.get(), this->size_);
  this->data_ = std::move(new_data);
  this->capacity_ = n;
-  return true;
 }

 }  // namespace esphome::api
@@ -9,6 +9,16 @@

 namespace esphome::api {

+/// Helper to use make_unique_for_overwrite where available (skips zero-fill),
+/// falling back to make_unique on older GCC (ESP8266, LibreTiny).
+inline std::unique_ptr<uint8_t[]> make_buffer(size_t n) {
+#if defined(USE_ESP8266) || defined(USE_LIBRETINY)
+  return std::make_unique<uint8_t[]>(n);
+#else
+  return std::make_unique_for_overwrite<uint8_t[]>(n);
+#endif
+}
+
 /// Byte buffer that skips zero-initialization on resize().
 ///
 /// std::vector<uint8_t>::resize() zero-fills new bytes via memset. For the
@@ -26,23 +36,23 @@ namespace esphome::api {
 class APIBuffer {
 public:
  void clear() { this->size_ = 0; }
-  /// Returns false if allocation fails; the buffer is left unchanged.
-  [[nodiscard]] inline bool reserve(size_t n) ESPHOME_ALWAYS_INLINE { return n <= this->capacity_ || this->grow_(n); }
-  /// Returns false if allocation fails; the buffer is left unchanged. No zero-fill.
-  [[nodiscard]] inline bool resize(size_t n) ESPHOME_ALWAYS_INLINE { return this->reserve_and_resize(n, n); }
+  inline void reserve(size_t n) ESPHOME_ALWAYS_INLINE {
+    if (n > this->capacity_)
+      this->grow_(n);
+  }
+  inline void resize(size_t n) ESPHOME_ALWAYS_INLINE {
+    this->reserve(n);
+    this->size_ = n;  // no zero-fill
+  }
  /// Reserve capacity for max(reserve_size, new_size) bytes, then set size to new_size.
  /// Single grow_ check regardless of argument order.
-  /// Returns false if allocation fails; the buffer is left unchanged.
-  [[nodiscard]] inline bool reserve_and_resize(size_t reserve_size, size_t new_size) ESPHOME_ALWAYS_INLINE {
-    if (!this->reserve(std::max(reserve_size, new_size)))
-      return false;
+  inline void reserve_and_resize(size_t reserve_size, size_t new_size) ESPHOME_ALWAYS_INLINE {
+    this->reserve(std::max(reserve_size, new_size));
    this->size_ = new_size;
-    return true;
  }
  uint8_t *data() { return this->data_.get(); }
  const uint8_t *data() const { return this->data_.get(); }
  size_t size() const { return this->size_; }
-  size_t capacity() const { return this->capacity_; }
  bool empty() const { return this->size_ == 0; }
  uint8_t &operator[](size_t i) { return this->data_[i]; }
  const uint8_t &operator[](size_t i) const { return this->data_[i]; }
@@ -54,7 +64,7 @@ class APIBuffer {
  }

 protected:
-  bool grow_(size_t n);
+  void grow_(size_t n);
  std::unique_ptr<uint8_t[]> data_;
  size_t size_{0};
  size_t capacity_{0};
@@ -1,6 +1,6 @@
 #include "api_connection.h"
 #ifdef USE_API
-#include "api_connection_buffer.h"  // for the APIServer-dependent APIConnection inlines
+#include "api_connection_buffer.h"  // for encode_to_buffer / get_batch_delay_ms_ inlines
 #ifdef USE_API_NOISE
 #include "api_frame_helper_noise.h"
 #endif
@@ -23,7 +23,6 @@
 #include "esphome/core/application.h"
 #include "esphome/core/entity_base.h"
 #include "esphome/core/hal.h"
-#include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 #include "esphome/core/version.h"
 #ifdef USE_PROVISIONING
@@ -89,13 +88,6 @@ static_assert(ESPHOME_DEVICE_NAME_MAX_LEN <= 31, "Update max_data_length for nam
 static_assert(ESPHOME_FRIENDLY_NAME_MAX_LEN <= 120, "Update max_data_length for friendly_name in api.proto");

 static const char *const TAG = "api.connection";
-
-#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_WARN
-void log_dropped_message(const char *tag, int line, const LogString *what) {
-  esp_log_printf_(ESPHOME_LOG_LEVEL_WARN, tag, line, ESPHOME_LOG_FORMAT("%s dropped, TCP buffer full"),
-                  LOG_STR_ARG(what));
-}
-#endif
 #ifdef USE_CAMERA
 static const int CAMERA_STOP_STREAM = 5000;
 #endif
@@ -160,6 +152,11 @@ APIConnection::APIConnection(std::unique_ptr<socket::Socket> sock, APIServer *pa
 #else
 #error "No frame helper defined"
 #endif
+#ifdef USE_CAMERA
+  if (camera::Camera::instance() != nullptr) {
+    this->image_reader_ = std::unique_ptr<camera::CameraImageReader>{camera::Camera::instance()->create_image_reader()};
+  }
+#endif
 }

 void APIConnection::start() {
@@ -412,15 +409,15 @@ void APIConnection::finalize_iterator_sync_() {
 }

 void APIConnection::process_iterator_batch_(ComponentIterator &iterator) {
-  // Budget by remaining batch capacity so a pass cannot overfill the batch;
-  // stops early on a refused send and resumes next loop pass
-  size_t batch_size = this->deferred_batch_.size();
-  if (batch_size < MAX_INITIAL_BATCH_SIZE)
-    iterator.try_advance(MAX_INITIAL_BATCH_SIZE - batch_size);
+  size_t initial_size = this->deferred_batch_.size();
+  size_t max_batch = MAX_INITIAL_PER_BATCH;
+  while (!iterator.completed() && (this->deferred_batch_.size() - initial_size) < max_batch) {
+    iterator.advance();
+  }

-  // Flush immediately once enough is queued (not guaranteed every pass);
-  // partial batches go out via the batch timer or finalize_iterator_sync_()
-  if (this->deferred_batch_.size() >= MAX_INITIAL_BATCH_SIZE) {
+  // If the batch is full, process it immediately
+  // Note: iterator.advance() already calls schedule_batch_() via schedule_message_()
+  if (this->deferred_batch_.size() >= max_batch) {
    this->process_batch_();
  }
 }
@@ -1099,6 +1096,7 @@ uint16_t APIConnection::try_send_media_player_info(EntityBase *entity, APIConnec
  auto *media_player = static_cast<media_player::MediaPlayer *>(entity);
  ListEntitiesMediaPlayerResponse msg;
  auto traits = media_player->get_traits();
+  msg.supports_pause = traits.get_supports_pause();
  msg.feature_flags = traits.get_feature_flags();
  for (auto &supported_format : traits.get_supported_formats()) {
    msg.supported_formats.emplace_back();
@@ -1134,7 +1132,6 @@ void APIConnection::try_send_camera_image_() {
  if (!this->image_reader_)
    return;

-  const auto *cam = camera::Camera::instance();
  // Send as many chunks as possible without blocking
  while (this->image_reader_->available()) {
    if (!this->helper_->can_write_without_blocking())
@@ -1144,11 +1141,11 @@ void APIConnection::try_send_camera_image_() {
    bool done = this->image_reader_->available() == to_send;

    CameraImageResponse msg;
-    msg.key = cam->get_object_id_hash();
+    msg.key = camera::Camera::instance()->get_object_id_hash();
    msg.set_data(this->image_reader_->peek_data_buffer(), to_send);
    msg.done = done;
 #ifdef USE_DEVICES
-    msg.device_id = cam->get_device_id();
+    msg.device_id = camera::Camera::instance()->get_device_id();
 #endif

    if (!this->send_message(msg)) {
@@ -1164,19 +1161,15 @@ void APIConnection::try_send_camera_image_() {
 void APIConnection::set_camera_state(std::shared_ptr<camera::CameraImage> image) {
  if (!this->flags_.state_subscription)
    return;
-  if (this->image_reader_ && this->image_reader_->available())
+  if (!this->image_reader_)
    return;
-  if (!image->was_requested_by(esphome::camera::API_REQUESTER) && !image->was_requested_by(esphome::camera::IDLE))
+  if (this->image_reader_->available())
    return;
-  if (!this->image_reader_) {
-    // Created on the first image this connection will send, so connections
-    // that never receive one never pay for a reader. Only a registered
-    // camera's listener can reach this, so instance() is non-null here.
-    this->image_reader_ = std::unique_ptr<camera::CameraImageReader>{camera::Camera::instance()->create_image_reader()};
+  if (image->was_requested_by(esphome::camera::API_REQUESTER) || image->was_requested_by(esphome::camera::IDLE)) {
+    this->image_reader_->set_image(std::move(image));
+    // Try to send immediately to reduce latency
+    this->try_send_camera_image_();
  }
-  this->image_reader_->set_image(std::move(image));
-  // Try to send immediately to reduce latency
-  this->try_send_camera_image_();
 }
 uint16_t APIConnection::try_send_camera_info(EntityBase *entity, APIConnection *conn, uint32_t remaining_size) {
  auto *camera = static_cast<camera::Camera *>(entity);
@@ -1203,28 +1196,31 @@ void APIConnection::on_get_time_response(const GetTimeResponse &value) {
  if (homeassistant::global_homeassistant_time != nullptr) {
    homeassistant::global_homeassistant_time->set_epoch_time(value.epoch_seconds);
 #if defined(USE_HOMEASSISTANT_TIMEZONE) && defined(USE_TIME_TIMEZONE)
-    // Apply only if the sender provided pre-parsed timezone data (Home Assistant 2026.3.0
-    // and newer); field presence distinguishes a genuine all-zero UTC timezone from an
-    // absent field. Older clients send only the deprecated timezone string, which is no
-    // longer decoded; for them the device keeps its codegen-configured timezone.
-    if (value.has_parsed_timezone) {
+    if (!value.timezone.empty()) {
+      // Check if the sender provided pre-parsed timezone data.
+      // If std_offset is non-zero or DST rules are present, the parsed data was populated.
+      // For UTC (all zeros), string parsing produces the same result, so the fallback is equivalent.
      const auto &pt = value.parsed_timezone;
-      time::ParsedTimezone tz{};
-      tz.std_offset_seconds = pt.std_offset_seconds;
-      tz.dst_offset_seconds = pt.dst_offset_seconds;
-      tz.dst_start.time_seconds = pt.dst_start.time_seconds;
-      tz.dst_start.day = static_cast<uint16_t>(pt.dst_start.day);
-      tz.dst_start.type = static_cast<time::DSTRuleType>(pt.dst_start.type);
-      tz.dst_start.month = static_cast<uint8_t>(pt.dst_start.month);
-      tz.dst_start.week = static_cast<uint8_t>(pt.dst_start.week);
-      tz.dst_start.day_of_week = static_cast<uint8_t>(pt.dst_start.day_of_week);
-      tz.dst_end.time_seconds = pt.dst_end.time_seconds;
-      tz.dst_end.day = static_cast<uint16_t>(pt.dst_end.day);
-      tz.dst_end.type = static_cast<time::DSTRuleType>(pt.dst_end.type);
-      tz.dst_end.month = static_cast<uint8_t>(pt.dst_end.month);
-      tz.dst_end.week = static_cast<uint8_t>(pt.dst_end.week);
-      tz.dst_end.day_of_week = static_cast<uint8_t>(pt.dst_end.day_of_week);
-      time::set_global_tz(tz);
+      if (pt.std_offset_seconds != 0 || pt.dst_start.type != enums::DST_RULE_TYPE_NONE) {
+        time::ParsedTimezone tz{};
+        tz.std_offset_seconds = pt.std_offset_seconds;
+        tz.dst_offset_seconds = pt.dst_offset_seconds;
+        tz.dst_start.time_seconds = pt.dst_start.time_seconds;
+        tz.dst_start.day = static_cast<uint16_t>(pt.dst_start.day);
+        tz.dst_start.type = static_cast<time::DSTRuleType>(pt.dst_start.type);
+        tz.dst_start.month = static_cast<uint8_t>(pt.dst_start.month);
+        tz.dst_start.week = static_cast<uint8_t>(pt.dst_start.week);
+        tz.dst_start.day_of_week = static_cast<uint8_t>(pt.dst_start.day_of_week);
+        tz.dst_end.time_seconds = pt.dst_end.time_seconds;
+        tz.dst_end.day = static_cast<uint16_t>(pt.dst_end.day);
+        tz.dst_end.type = static_cast<time::DSTRuleType>(pt.dst_end.type);
+        tz.dst_end.month = static_cast<uint8_t>(pt.dst_end.month);
+        tz.dst_end.week = static_cast<uint8_t>(pt.dst_end.week);
+        tz.dst_end.day_of_week = static_cast<uint8_t>(pt.dst_end.day_of_week);
+        time::set_global_tz(tz);
+      } else {
+        homeassistant::global_homeassistant_time->set_timezone(value.timezone.c_str(), value.timezone.size());
+      }
    }
 #endif
  }
@@ -1239,7 +1235,6 @@ void APIConnection::on_subscribe_bluetooth_le_advertisements_request(
 void APIConnection::on_unsubscribe_bluetooth_le_advertisements_request() {
  bluetooth_proxy::global_bluetooth_proxy->unsubscribe_api_connection(this);
 }
-#ifdef USE_BLUETOOTH_PROXY_CONNECTIONS
 void APIConnection::on_bluetooth_device_request(const BluetoothDeviceRequest &msg) {
  bluetooth_proxy::global_bluetooth_proxy->bluetooth_device_request(msg);
 }
@@ -1273,15 +1268,13 @@ void APIConnection::on_subscribe_bluetooth_connections_free_request() {
  }
 }

-void APIConnection::on_bluetooth_set_connection_params_request(const BluetoothSetConnectionParamsRequest &msg) {
-  bluetooth_proxy::global_bluetooth_proxy->bluetooth_set_connection_params(msg);
-}
-#endif
-
 void APIConnection::on_bluetooth_scanner_set_mode_request(const BluetoothScannerSetModeRequest &msg) {
  bluetooth_proxy::global_bluetooth_proxy->bluetooth_scanner_set_mode(
      msg.mode == enums::BluetoothScannerMode::BLUETOOTH_SCANNER_MODE_ACTIVE);
 }
+void APIConnection::on_bluetooth_set_connection_params_request(const BluetoothSetConnectionParamsRequest &msg) {
+  bluetooth_proxy::global_bluetooth_proxy->bluetooth_set_connection_params(msg);
+}
 #endif

 #ifdef USE_VOICE_ASSISTANT
@@ -1336,8 +1329,7 @@ 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
@@ -1357,6 +1349,22 @@ bool APIConnection::send_voice_assistant_get_configuration_response_(
    }
  }

+  // 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);
@@ -1380,12 +1388,7 @@ void APIConnection::on_z_wave_proxy_frame(const ZWaveProxyFrame &msg) {
 }

 void APIConnection::on_z_wave_proxy_request(const ZWaveProxyRequest &msg) {
-  ZWaveProxyRequestResponse resp{};
-  resp.type = msg.type;
-  resp.status = zwave_proxy::global_zwave_proxy->zwave_proxy_request(this, msg.type);
-  if (!this->send_message(resp)) {
-    API_LOG_MSG_DROPPED(TAG, "Z-Wave proxy response");
-  }
+  zwave_proxy::global_zwave_proxy->zwave_proxy_request(this, msg.type);
 }
 #endif

@@ -1544,60 +1547,19 @@ void APIConnection::on_infrared_rf_transmit_raw_timings_request(const InfraredRF
 #endif

 #if defined(USE_IR_RF) || defined(USE_RADIO_FREQUENCY)
-void APIConnection::send_infrared_rf_receive_event(const InfraredRFReceiveEvent &msg) {
-  if (!this->send_message(msg)) {
-    // V: fires per decoded frame with no subscription gate, so a warning
-    // would flood the congested link it reports on.
-    ESP_LOGV(TAG, "IR/RF event dropped, TCP buffer full");
-  }
-}
+void APIConnection::send_infrared_rf_receive_event(const InfraredRFReceiveEvent &msg) { this->send_message(msg); }
 #endif

 #ifdef USE_SERIAL_PROXY
-static enums::SerialProxyStatus serial_proxy_result_to_status(serial_proxy::SerialProxyResult result) {
-  switch (result) {
-    case serial_proxy::SerialProxyResult::SERIAL_PROXY_RESULT_OK:
-      return enums::SERIAL_PROXY_STATUS_OK;
-    case serial_proxy::SerialProxyResult::SERIAL_PROXY_RESULT_ASSUMED_SUCCESS:
-      return enums::SERIAL_PROXY_STATUS_ASSUMED_SUCCESS;
-    case serial_proxy::SerialProxyResult::SERIAL_PROXY_RESULT_PORT_IN_USE:
-      return enums::SERIAL_PROXY_STATUS_PORT_IN_USE;
-    case serial_proxy::SerialProxyResult::SERIAL_PROXY_RESULT_INVALID_ARGUMENT:
-      return enums::SERIAL_PROXY_STATUS_INVALID_ARGUMENT;
-    case serial_proxy::SerialProxyResult::SERIAL_PROXY_RESULT_TIMEOUT:
-      return enums::SERIAL_PROXY_STATUS_TIMEOUT;
-    case serial_proxy::SerialProxyResult::SERIAL_PROXY_RESULT_NOT_SUPPORTED:
-      return enums::SERIAL_PROXY_STATUS_NOT_SUPPORTED;
-    case serial_proxy::SerialProxyResult::SERIAL_PROXY_RESULT_ERROR:
-      return enums::SERIAL_PROXY_STATUS_ERROR;
-  }
-  return enums::SERIAL_PROXY_STATUS_ERROR;  // Unreachable; all enum values handled above
-}
-
-static void send_serial_proxy_ack(APIConnection *conn, uint32_t instance, enums::SerialProxyRequestType type,
-                                  enums::SerialProxyStatus status) {
-  SerialProxyRequestResponse resp{};
-  resp.instance = instance;
-  resp.type = type;
-  resp.status = status;
-  if (!conn->send_message(resp)) {
-    API_LOG_MSG_DROPPED(TAG, "Serial proxy response");
-  }
-}
-
 void APIConnection::on_serial_proxy_configure_request(const SerialProxyConfigureRequest &msg) {
  auto &proxies = App.get_serial_proxies();
  if (msg.instance >= proxies.size()) {
    ESP_LOGW(TAG, "Serial proxy instance %" PRIu32 " out of range (max %" PRIu32 ")", msg.instance,
             static_cast<uint32_t>(proxies.size()));
-    send_serial_proxy_ack(this, msg.instance, enums::SERIAL_PROXY_REQUEST_TYPE_CONFIGURE,
-                          enums::SERIAL_PROXY_STATUS_INVALID_ARGUMENT);
    return;
  }
-  serial_proxy::SerialProxyResult result = proxies[msg.instance]->configure(
-      this, msg.baudrate, msg.flow_control, static_cast<uint8_t>(msg.parity), msg.stop_bits, msg.data_size);
-  send_serial_proxy_ack(this, msg.instance, enums::SERIAL_PROXY_REQUEST_TYPE_CONFIGURE,
-                        serial_proxy_result_to_status(result));
+  proxies[msg.instance]->configure(msg.baudrate, msg.flow_control, static_cast<uint8_t>(msg.parity), msg.stop_bits,
+                                   msg.data_size);
 }

 void APIConnection::on_serial_proxy_write_request(const SerialProxyWriteRequest &msg) {
@@ -1606,78 +1568,69 @@ void APIConnection::on_serial_proxy_write_request(const SerialProxyWriteRequest
    ESP_LOGW(TAG, "Serial proxy instance %" PRIu32 " out of range", msg.instance);
    return;
  }
-  proxies[msg.instance]->write_from_client(this, msg.data, msg.data_len);
+  proxies[msg.instance]->write_from_client(msg.data, msg.data_len);
 }

 void APIConnection::on_serial_proxy_set_modem_pins_request(const SerialProxySetModemPinsRequest &msg) {
  auto &proxies = App.get_serial_proxies();
  if (msg.instance >= proxies.size()) {
    ESP_LOGW(TAG, "Serial proxy instance %" PRIu32 " out of range", msg.instance);
-    send_serial_proxy_ack(this, msg.instance, enums::SERIAL_PROXY_REQUEST_TYPE_SET_MODEM_PINS,
-                          enums::SERIAL_PROXY_STATUS_INVALID_ARGUMENT);
    return;
  }
-  serial_proxy::SerialProxyResult result = proxies[msg.instance]->set_modem_pins(this, msg.line_states);
-  send_serial_proxy_ack(this, msg.instance, enums::SERIAL_PROXY_REQUEST_TYPE_SET_MODEM_PINS,
-                        serial_proxy_result_to_status(result));
+  proxies[msg.instance]->set_modem_pins(msg.line_states);
 }

 void APIConnection::on_serial_proxy_get_modem_pins_request(const SerialProxyGetModemPinsRequest &msg) {
  auto &proxies = App.get_serial_proxies();
-  SerialProxyGetModemPinsResponse resp{};
-  resp.instance = msg.instance;
  if (msg.instance >= proxies.size()) {
    ESP_LOGW(TAG, "Serial proxy instance %" PRIu32 " out of range", msg.instance);
-    // Pre-1.16 clients do not read the status field and would take this error
-    // for a successful "both pins deasserted" answer; let them time out as before
-    if (!this->client_supports_api_version(1, 16)) {
-      return;
-    }
-    resp.status = enums::SERIAL_PROXY_STATUS_INVALID_ARGUMENT;
-  } else {
-    resp.line_states = proxies[msg.instance]->get_modem_pins();
-  }
-  if (!this->send_message(resp)) {
-    API_LOG_MSG_DROPPED(TAG, "Serial proxy response");
+    return;
  }
+  SerialProxyGetModemPinsResponse resp{};
+  resp.instance = msg.instance;
+  resp.line_states = proxies[msg.instance]->get_modem_pins();
+  this->send_message(resp);
 }

 void APIConnection::on_serial_proxy_request(const SerialProxyRequest &msg) {
  auto &proxies = App.get_serial_proxies();
  if (msg.instance >= proxies.size()) {
    ESP_LOGW(TAG, "Serial proxy instance %" PRIu32 " out of range", msg.instance);
-    send_serial_proxy_ack(this, msg.instance, msg.type, enums::SERIAL_PROXY_STATUS_INVALID_ARGUMENT);
    return;
  }
-  auto *proxy = proxies[msg.instance];
-  enums::SerialProxyStatus status;
  switch (msg.type) {
    case enums::SERIAL_PROXY_REQUEST_TYPE_SUBSCRIBE:
    case enums::SERIAL_PROXY_REQUEST_TYPE_UNSUBSCRIBE:
-      status = serial_proxy_result_to_status(proxy->serial_proxy_request(this, msg.type));
+      proxies[msg.instance]->serial_proxy_request(this, msg.type);
      break;
-    case enums::SERIAL_PROXY_REQUEST_TYPE_FLUSH:
-      status = serial_proxy_result_to_status(proxy->flush_port(this));
-      break;
-    case enums::SERIAL_PROXY_REQUEST_TYPE_CONFIGURE:
-    case enums::SERIAL_PROXY_REQUEST_TYPE_SET_MODEM_PINS:
-      // Response-only discriminators; never valid in a request
-      ESP_LOGW(TAG, "Response-only serial proxy request type: %" PRIu32, static_cast<uint32_t>(msg.type));
-      status = enums::SERIAL_PROXY_STATUS_INVALID_ARGUMENT;
+    case enums::SERIAL_PROXY_REQUEST_TYPE_FLUSH: {
+      SerialProxyRequestResponse resp{};
+      resp.instance = msg.instance;
+      resp.type = enums::SERIAL_PROXY_REQUEST_TYPE_FLUSH;
+      switch (proxies[msg.instance]->flush_port()) {
+        case uart::UARTFlushResult::UART_FLUSH_RESULT_SUCCESS:
+          resp.status = enums::SERIAL_PROXY_STATUS_OK;
+          break;
+        case uart::UARTFlushResult::UART_FLUSH_RESULT_ASSUMED_SUCCESS:
+          resp.status = enums::SERIAL_PROXY_STATUS_ASSUMED_SUCCESS;
+          break;
+        case uart::UARTFlushResult::UART_FLUSH_RESULT_TIMEOUT:
+          resp.status = enums::SERIAL_PROXY_STATUS_TIMEOUT;
+          break;
+        case uart::UARTFlushResult::UART_FLUSH_RESULT_FAILED:
+          resp.status = enums::SERIAL_PROXY_STATUS_ERROR;
+          break;
+      }
+      this->send_message(resp);
      break;
+    }
    default:
      ESP_LOGW(TAG, "Unknown serial proxy request type: %" PRIu32, static_cast<uint32_t>(msg.type));
-      status = enums::SERIAL_PROXY_STATUS_NOT_SUPPORTED;
      break;
  }
-  send_serial_proxy_ack(this, msg.instance, msg.type, status);
 }

-void APIConnection::send_serial_proxy_data(const SerialProxyDataReceived &msg) {
-  if (!this->send_message(msg)) {
-    ESP_LOGV(TAG, "Serial proxy data dropped, TCP buffer full");
-  }
-}
+void APIConnection::send_serial_proxy_data(const SerialProxyDataReceived &msg) { this->send_message(msg); }
 #endif

 #ifdef USE_INFRARED
@@ -1789,17 +1742,15 @@ void APIConnection::complete_authentication_() {
 bool APIConnection::send_hello_response_(const HelloRequest &msg) {
  // Copy client name with truncation if needed (set_client_name handles truncation)
  this->helper_->set_client_name(msg.client_info.c_str(), msg.client_info.size());
-  this->client_api_version_major_ =
-      static_cast<uint8_t>(std::min<uint32_t>(msg.api_version_major, std::numeric_limits<uint8_t>::max()));
-  this->client_api_version_minor_ =
-      static_cast<uint8_t>(std::min<uint32_t>(msg.api_version_minor, std::numeric_limits<uint8_t>::max()));
+  this->client_api_version_major_ = msg.api_version_major;
+  this->client_api_version_minor_ = msg.api_version_minor;
  char peername[socket::SOCKADDR_STR_LEN];
-  ESP_LOGV(TAG, "Hello from client: '%s' | %s | API Version %u.%u", this->helper_->get_client_name(),
+  ESP_LOGV(TAG, "Hello from client: '%s' | %s | API Version %" PRIu16 ".%" PRIu16, this->helper_->get_client_name(),
           this->helper_->get_peername_to(peername), this->client_api_version_major_, this->client_api_version_minor_);

  HelloResponse resp;
  resp.api_version_major = 1;
-  resp.api_version_minor = 16;
+  resp.api_version_minor = 14;
  // Send only the version string - the client only logs this for debugging and doesn't use it otherwise
  resp.server_info = ESPHOME_VERSION_REF;
  resp.name = StringRef(App.get_name());
@@ -1810,9 +1761,7 @@ bool APIConnection::send_hello_response_(const HelloRequest &msg) {
    // Acknowledge the hello so the client can read the server name, then request
    // disconnect with the reason. Authentication is intentionally not completed.
    this->log_client_(ESPHOME_LOG_LEVEL_WARN, LOG_STR("Provisioning closed; rejecting connection"));
-    if (!this->send_message(resp)) {
-      API_LOG_MSG_DROPPED(TAG, "Hello response");
-    }
+    this->send_message(resp);
    DisconnectRequest req;
    req.reason = enums::DISCONNECT_REASON_PROVISIONING_CLOSED;
    return this->send_message(req);
@@ -1837,8 +1786,9 @@ bool APIConnection::send_device_info_response_() {
 #ifdef USE_AREAS
  resp.suggested_area = StringRef(App.get_area());
 #endif
-  char mac_address[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
-  uint8_t mac[MAC_ADDRESS_SIZE];
+  // Stack buffer for MAC address (XX:XX:XX:XX:XX:XX\0 = 18 bytes)
+  char mac_address[18];
+  uint8_t mac[6];
  get_mac_address_raw(mac);
  format_mac_addr_upper(mac, mac_address);
  resp.mac_address = StringRef(mac_address);
@@ -1914,7 +1864,8 @@ bool APIConnection::send_device_info_response_() {
 #endif
 #ifdef USE_BLUETOOTH_PROXY
  resp.bluetooth_proxy_feature_flags = bluetooth_proxy::global_bluetooth_proxy->get_feature_flags();
-  char bluetooth_mac[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
+  // Stack buffer for Bluetooth MAC address (XX:XX:XX:XX:XX:XX\0 = 18 bytes)
+  char bluetooth_mac[18];
  bluetooth_proxy::global_bluetooth_proxy->get_bluetooth_mac_address_pretty(bluetooth_mac);
  resp.bluetooth_mac_address = StringRef(bluetooth_mac);
 #endif
@@ -1933,7 +1884,6 @@ bool APIConnection::send_device_info_response_() {
    auto &info = resp.serial_proxies[serial_proxy_index++];
    info.name = StringRef(proxy->get_name());
    info.port_type = proxy->get_port_type();
-    info.configured_line_states = proxy->get_configured_modem_pins();
  }
 #endif
 #ifdef USE_API_NOISE
@@ -1969,36 +1919,6 @@ bool APIConnection::send_device_info_response_() {

  return this->send_message(resp);
 }
-bool APIConnection::send_device_capabilities_response_() {
-  // These are the same values DeviceInfoResponse still reports for older clients. Keep the blocks
-  // below in sync with send_device_info_response_() until those copies are removed.
-  DeviceCapabilitiesResponse resp;
-#ifdef USE_BLUETOOTH_PROXY
-  resp.bluetooth_proxy.feature_flags = bluetooth_proxy::global_bluetooth_proxy->get_feature_flags();
-  char bluetooth_mac[MAC_ADDRESS_PRETTY_BUFFER_SIZE];
-  bluetooth_proxy::global_bluetooth_proxy->get_bluetooth_mac_address_pretty(bluetooth_mac);
-  resp.bluetooth_proxy.mac_address = StringRef(bluetooth_mac);
-#endif
-#ifdef USE_VOICE_ASSISTANT
-  resp.voice_assistant.feature_flags = voice_assistant::global_voice_assistant->get_feature_flags();
-#endif
-#ifdef USE_ZWAVE_PROXY
-  resp.zwave_proxy.feature_flags = zwave_proxy::global_zwave_proxy->get_feature_flags();
-  resp.zwave_proxy.home_id = zwave_proxy::global_zwave_proxy->get_home_id();
-#endif
-#ifdef USE_SERIAL_PROXY
-  size_t serial_proxy_index = 0;
-  for (auto const &proxy : App.get_serial_proxies()) {
-    if (serial_proxy_index >= SERIAL_PROXY_COUNT)
-      break;
-    auto &info = resp.serial_proxies[serial_proxy_index++];
-    info.name = StringRef(proxy->get_name());
-    info.port_type = proxy->get_port_type();
-    info.configured_line_states = proxy->get_configured_modem_pins();
-  }
-#endif
-  return this->send_message(resp);
-}
 void APIConnection::on_hello_request(const HelloRequest &msg) {
  if (!this->send_hello_response_(msg)) {
    this->on_fatal_error();
@@ -2020,11 +1940,6 @@ void APIConnection::on_device_info_request() {
    this->on_fatal_error();
  }
 }
-void APIConnection::on_device_capabilities_request() {
-  if (!this->send_device_capabilities_response_()) {
-    this->on_fatal_error();
-  }
-}

 #ifdef USE_API_HOMEASSISTANT_STATES
 void APIConnection::on_home_assistant_state_response(const HomeAssistantStateResponse &msg) {
@@ -2103,9 +2018,7 @@ void APIConnection::send_execute_service_response(uint32_t call_id, bool success
  resp.call_id = call_id;
  resp.success = success;
  resp.error_message = error_message;
-  if (!this->send_message(resp)) {
-    API_LOG_MSG_DROPPED(TAG, "Action response");
-  }
+  this->send_message(resp);
 }
 #ifdef USE_API_USER_DEFINED_ACTION_RESPONSES_JSON
 void APIConnection::send_execute_service_response(uint32_t call_id, bool success, StringRef error_message,
@@ -2116,34 +2029,12 @@ void APIConnection::send_execute_service_response(uint32_t call_id, bool success
  resp.error_message = error_message;
  resp.response_data = response_data;
  resp.response_data_len = response_data_len;
-  if (!this->send_message(resp)) {
-    API_LOG_MSG_DROPPED(TAG, "Action response");
-  }
+  this->send_message(resp);
 }
 #endif  // USE_API_USER_DEFINED_ACTION_RESPONSES_JSON
 #endif  // USE_API_USER_DEFINED_ACTION_RESPONSES
 #endif

-#ifdef USE_API_HOMEASSISTANT_SERVICES
-bool APIConnection::send_homeassistant_action(const HomeassistantActionRequest &call) {
-  if (!this->flags_.service_call_subscription)
-    return false;
-  if (!this->send_message(call)) {
-    API_LOG_MSG_DROPPED(TAG, "Action request");
-  }
-  return true;
-}
-#endif  // USE_API_HOMEASSISTANT_SERVICES
-
-#ifdef USE_HOMEASSISTANT_TIME
-void APIConnection::send_time_request() {
-  GetTimeRequest req;
-  if (!this->send_message(req)) {
-    API_LOG_MSG_DROPPED(TAG, "Time request");
-  }
-}
-#endif  // USE_HOMEASSISTANT_TIME
-
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
 void APIConnection::on_homeassistant_action_response(const HomeassistantActionResponse &msg) {
 #ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
@@ -2171,7 +2062,7 @@ bool APIConnection::send_noise_encryption_set_key_response_(const NoiseEncryptio
  }
 #endif

-  noise::psk_t psk{};
+  psk_t psk{};
  if (msg.key_len == 0) {
    if (this->parent_->clear_noise_psk(true)) {
      resp.success = true;
@@ -2180,7 +2071,7 @@ bool APIConnection::send_noise_encryption_set_key_response_(const NoiseEncryptio
    }
  } else if (base64_decode(msg.key, msg.key_len, psk.data(), psk.size()) != psk.size()) {
    ESP_LOGW(TAG, "Invalid encryption key length");
-  } else if (noise::NoiseContext::is_all_zeros(psk)) {
+  } else if (APINoiseContext::is_all_zeros(psk)) {
    // Accepting the reserved provisioning PSK would report success without
    // enabling encryption (or silently clear an existing key)
    ESP_LOGW(TAG, "Rejecting all-zero encryption key");
@@ -2218,14 +2109,11 @@ bool APIConnection::try_to_clear_buffer_slow_(bool log_out_of_space) {
  if (this->helper_->can_write_without_blocking())
    return true;
  if (log_out_of_space) {
-    // VV: refusals are either reported by the sending call site (naming what
-    // was lost) or retried without loss (the deferred batch), so this generic
-    // line only duplicates them.
-    ESP_LOGVV(TAG, "Cannot send message because of TCP buffer space");
+    ESP_LOGV(TAG, "Cannot send message because of TCP buffer space");
  }
  return false;
 }
-bool APIConnection::send_message_(uint32_t payload_size, uint16_t message_type, MessageEncodeFn encode_fn,
+bool APIConnection::send_message_(uint32_t payload_size, uint8_t message_type, MessageEncodeFn encode_fn,
                                  const void *msg) {
 #ifdef HAS_PROTO_MESSAGE_DUMP
  // Skip dump for log messages (recursive logging risk) and camera frames (high-frequency noise)
@@ -2239,17 +2127,10 @@ bool APIConnection::send_message_(uint32_t payload_size, uint16_t message_type,
    this->log_send_message_(proto_msg->message_name(), proto_msg->dump_to(dump_buf));
  }
 #endif
-  if (!this->prepare_first_message_buffer(payload_size)) [[unlikely]] {
-    this->fatal_out_of_memory_();
-    return false;
-  }
  auto &shared_buf = this->parent_->get_shared_buffer_ref();
+  this->prepare_first_message_buffer(shared_buf, payload_size);
  size_t write_start = shared_buf.size();
-#ifdef ESPHOME_DEBUG_API
-  assert(shared_buf.capacity() >= write_start + payload_size);
-#endif
-  // Capacity reserved above, cannot fail
-  (void) shared_buf.resize(write_start + payload_size);
+  shared_buf.resize(write_start + payload_size);
  ProtoWriteBuffer buffer{&shared_buf, write_start};
  encode_fn(msg, buffer PROTO_ENCODE_DEBUG_INIT(&shared_buf));
  return this->send_buffer(ProtoWriteBuffer{&shared_buf}, message_type);
@@ -2261,7 +2142,7 @@ uint16_t APIConnection::encode_to_buffer_slow(uint32_t calculated_size, MessageE
                                              APIConnection *conn, uint32_t remaining_size) {
  return encode_to_buffer(calculated_size, encode_fn, msg, conn, remaining_size);
 }
-bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint16_t message_type) {
+bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) {
  const bool is_log_message = (message_type == SubscribeLogsResponse::MESSAGE_TYPE);

  if (!this->try_to_clear_buffer(!is_log_message)) {
@@ -2285,42 +2166,30 @@ void APIConnection::on_no_setup_connection() {
  this->on_fatal_error();
  this->log_client_(ESPHOME_LOG_LEVEL_DEBUG, LOG_STR("no connection setup"));
 }
-void APIConnection::fatal_out_of_memory_() {
-  this->fatal_error_with_log_(LOG_STR("Out of memory"), APIError::OUT_OF_MEMORY);
-}
 void APIConnection::on_fatal_error() {
  // Don't close socket here - keep it open so getpeername() works for logging
  // Socket will be closed when client is removed from the list in APIServer::loop()
  this->flags_.remove = true;
 }

-bool APIConnection::schedule_message_front_(EntityBase *entity, uint16_t message_type, uint8_t estimated_size) {
+bool APIConnection::schedule_message_front_(EntityBase *entity, uint8_t message_type, uint8_t estimated_size) {
  this->deferred_batch_.add_item_front(entity, message_type, estimated_size);
  return this->schedule_batch_();
 }

-bool APIConnection::send_message_smart_(EntityBase *entity, uint16_t message_type, uint8_t estimated_size,
+bool APIConnection::send_message_smart_(EntityBase *entity, uint8_t message_type, uint8_t estimated_size,
                                        uint8_t aux_data_index) {
  if (this->should_send_immediately_(message_type) && this->helper_->can_write_without_blocking()) {
-    // No local for the shared buffer here: keeping it live across
-    // dispatch_message_ costs a register and spills message_type into the
-    // batching path's dedup loop (measured on x86 GCC -Os)
-    if (!this->prepare_first_message_buffer(estimated_size)) [[unlikely]] {
-      this->fatal_out_of_memory_();
-      return false;
-    }
+    auto &shared_buf = this->parent_->get_shared_buffer_ref();
+    this->prepare_first_message_buffer(shared_buf, estimated_size);
    DeferredBatch::BatchItem item{entity, message_type, estimated_size, aux_data_index};
    if (this->dispatch_message_(item, MAX_BATCH_PACKET_SIZE, true) &&
-        this->send_buffer(ProtoWriteBuffer{&this->parent_->get_shared_buffer_ref()}, message_type)) {
+        this->send_buffer(ProtoWriteBuffer{&shared_buf}, message_type)) {
 #ifdef HAS_PROTO_MESSAGE_DUMP
      this->log_batch_item_(item);
 #endif
      return true;
    }
-    // An OOM during the immediate attempt marks the connection for removal;
-    // don't queue more work (schedule_message_'s push_back may allocate again)
-    if (this->flags_.remove) [[unlikely]]
-      return false;
  }
  return this->schedule_message_(entity, message_type, estimated_size, aux_data_index);
 }
@@ -2370,11 +2239,7 @@ void APIConnection::process_batch_() {
    total_estimated_size = MAX_BATCH_PACKET_SIZE;
  }

-  if (!this->prepare_first_message_buffer(header_padding, total_estimated_size)) [[unlikely]] {
-    this->fatal_out_of_memory_();
-    this->clear_batch_();
-    return;
-  }
+  this->prepare_first_message_buffer(shared_buf, header_padding, total_estimated_size);

  // Fast path for single message - buffer already allocated above
  if (num_items == 1) {
@@ -2389,11 +2254,8 @@ void APIConnection::process_batch_() {
 #endif
      this->clear_batch_();
    } else if (payload_size == 0) {
-      // payload_size == 0 with remove set means encoding hit OOM and the
-      // connection is being dropped; warn only for a genuinely oversized message
-      if (!this->flags_.remove) {
-        ESP_LOGW(TAG, "Message too large to send: type=%u", item.message_type);
-      }
+      // Message too large to fit in available space
+      ESP_LOGW(TAG, "Message too large to send: type=%u", item.message_type);
      this->clear_batch_();
    }
    return;
@@ -2456,10 +2318,8 @@ void APIConnection::process_batch_multi_(APIBuffer &shared_buf, size_t num_items

  if (items_processed > 0) {
    // Add footer space for the last message (for Noise protocol MAC)
-    if (footer_size > 0 && !shared_buf.resize(shared_buf.size() + footer_size)) [[unlikely]] {
-      this->fatal_out_of_memory_();
-      this->clear_batch_();
-      return;
+    if (footer_size > 0) {
+      shared_buf.resize(shared_buf.size() + footer_size);
    }

    // Send all collected messages
--- a/Show More
+++ b/Show More
				`@@ -1 +0,0 @@`
				`"""Build helpers shared by the native (non-PlatformIO) toolchains."""`