[clang-tidy] Hash idf_component.yml and trigger hash hook on more inputs (#16753)

Co-authored-by: J. Nick Koston <nick@koston.org>
Co-authored-by: J. Nick Koston <nick@home-assistant.io>

.clang-tidy.hash

@@ -1 +1 @@
-a30d2e50f2cac76e9c504eb7e5b250070dc92df23469c44a7eb8e52e26fd375d
+44db8a62d94c8fba83b95b73938db4377ebacc0adb504881387389f1cd8f2f3a

.pre-commit-config.yaml

@@ -63,7 +63,7 @@ repos:
         name: Update clang-tidy hash
         entry: python script/clang_tidy_hash.py --update-if-changed
         language: python
-        files: ^(\.clang-tidy|platformio\.ini|requirements_dev\.txt)$
+        files: ^(\.clang-tidy|platformio\.ini|requirements_dev\.txt|sdkconfig\.defaults|esphome/idf_component\.yml)$
         pass_filenames: false
         additional_dependencies: []
       - id: ci-custom

script/clang_tidy_hash.py

@@ -105,6 +105,12 @@ def calculate_clang_tidy_hash(repo_root: Path | None = None) -> str:
         sdkconfig_content = read_file_bytes(sdkconfig_path)
         hasher.update(sdkconfig_content)
 
+    # Hash esphome/idf_component.yml: its managed deps drive the ESP-IDF
+    # build's include set, which clang-tidy analyzes.
+    idf_component_path = repo_root / "esphome" / "idf_component.yml"
+    if idf_component_path.exists():
+        hasher.update(read_file_bytes(idf_component_path))
+
     return hasher.hexdigest()