Merge branch 'dev' into runtime_stats

.clang-tidy.hash

@@ -0,0 +1 @@
+a3cdfc378d28b53b416a1d5bf0ab9077ee18867f0d39436ea8013cf5a4ead87a

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

@@ -41,7 +41,7 @@ runs:
       shell: bash
       run: |
         python -m venv venv
-        ./venv/Scripts/activate
+        source ./venv/Scripts/activate
         python --version
         pip install -r requirements.txt -r requirements_test.txt
         pip install -e .

.github/workflows/ci-clang-tidy-hash.yml

@@ -0,0 +1,76 @@
+name: Clang-tidy Hash CI
+
+on:
+  pull_request:
+    paths:
+      - ".clang-tidy"
+      - "platformio.ini"
+      - "requirements_dev.txt"
+      - ".clang-tidy.hash"
+      - "script/clang_tidy_hash.py"
+      - ".github/workflows/ci-clang-tidy-hash.yml"
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  verify-hash:
+    name: Verify clang-tidy hash
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.2.2
+
+      - name: Set up Python
+        uses: actions/setup-python@v5.6.0
+        with:
+          python-version: "3.11"
+
+      - name: Verify hash
+        run: |
+          python script/clang_tidy_hash.py --verify
+
+      - if: failure()
+        name: Show hash details
+        run: |
+          python script/clang_tidy_hash.py
+          echo "## Job Failed" | tee -a $GITHUB_STEP_SUMMARY
+          echo "You have modified clang-tidy configuration but have not updated the hash." | tee -a $GITHUB_STEP_SUMMARY
+          echo "Please run 'script/clang_tidy_hash.py --update' and commit the changes." | tee -a $GITHUB_STEP_SUMMARY
+
+      - if: failure()
+        name: Request changes
+        uses: actions/github-script@v7.0.1
+        with:
+          script: |
+            await github.rest.pulls.createReview({
+              pull_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              event: 'REQUEST_CHANGES',
+              body: 'You have modified clang-tidy configuration but have not updated the hash.\nPlease run `script/clang_tidy_hash.py --update` and commit the changes.'
+            })
+
+      - if: success()
+        name: Dismiss review
+        uses: actions/github-script@v7.0.1
+        with:
+          script: |
+            let reviews = await github.rest.pulls.listReviews({
+              pull_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo
+            });
+            for (let review of reviews.data) {
+              if (review.user.login === 'github-actions[bot]' && review.state === 'CHANGES_REQUESTED') {
+                await github.rest.pulls.dismissReview({
+                  pull_number: context.issue.number,
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  review_id: review.id,
+                  message: 'Clang-tidy hash now matches configuration.'
+                });
+              }
+            }
+

.github/workflows/ci.yml

@@ -66,6 +66,8 @@ jobs:
     runs-on: ubuntu-24.04
     needs:
       - common
+      - determine-jobs
+    if: needs.determine-jobs.outputs.python-linters == 'true'
     steps:
       - name: Check out code from GitHub
         uses: actions/checkout@v4.2.2
@@ -87,6 +89,8 @@ jobs:
     runs-on: ubuntu-24.04
     needs:
       - common
+      - determine-jobs
+    if: needs.determine-jobs.outputs.python-linters == 'true'
     steps:
       - name: Check out code from GitHub
         uses: actions/checkout@v4.2.2
@@ -108,6 +112,8 @@ jobs:
     runs-on: ubuntu-24.04
     needs:
       - common
+      - determine-jobs
+    if: needs.determine-jobs.outputs.python-linters == 'true'
     steps:
       - name: Check out code from GitHub
         uses: actions/checkout@v4.2.2
@@ -129,6 +135,8 @@ jobs:
     runs-on: ubuntu-24.04
     needs:
       - common
+      - determine-jobs
+    if: needs.determine-jobs.outputs.python-linters == 'true'
     steps:
       - name: Check out code from GitHub
         uses: actions/checkout@v4.2.2
@@ -204,6 +212,7 @@ jobs:
       - name: Check out code from GitHub
         uses: actions/checkout@v4.2.2
       - name: Restore Python
+        id: restore-python
         uses: ./.github/actions/restore-python
         with:
           python-version: ${{ matrix.python-version }}
@@ -213,7 +222,7 @@ jobs:
       - name: Run pytest
         if: matrix.os == 'windows-latest'
         run: |
-          ./venv/Scripts/activate
+          . ./venv/Scripts/activate.ps1
           pytest -vv --cov-report=xml --tb=native -n auto tests --ignore=tests/integration/
       - name: Run pytest
         if: matrix.os == 'ubuntu-latest' || matrix.os == 'macOS-latest'
@@ -224,12 +233,61 @@ jobs:
         uses: codecov/codecov-action@v5.4.3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
+      - name: Save Python virtual environment cache
+        if: github.ref == 'refs/heads/dev'
+        uses: actions/cache/save@v4.2.3
+        with:
+          path: venv
+          key: ${{ runner.os }}-${{ steps.restore-python.outputs.python-version }}-venv-${{ needs.common.outputs.cache-key }}
+
+  determine-jobs:
+    name: Determine which jobs to run
+    runs-on: ubuntu-24.04
+    needs:
+      - common
+    outputs:
+      integration-tests: ${{ steps.determine.outputs.integration-tests }}
+      clang-tidy: ${{ steps.determine.outputs.clang-tidy }}
+      clang-format: ${{ steps.determine.outputs.clang-format }}
+      python-linters: ${{ steps.determine.outputs.python-linters }}
+      changed-components: ${{ steps.determine.outputs.changed-components }}
+      component-test-count: ${{ steps.determine.outputs.component-test-count }}
+    steps:
+      - name: Check out code from GitHub
+        uses: actions/checkout@v4.2.2
+        with:
+          # Fetch enough history to find the merge base
+          fetch-depth: 2
+      - name: Restore Python
+        uses: ./.github/actions/restore-python
+        with:
+          python-version: ${{ env.DEFAULT_PYTHON }}
+          cache-key: ${{ needs.common.outputs.cache-key }}
+      - name: Determine which tests to run
+        id: determine
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          . venv/bin/activate
+          output=$(python script/determine-jobs.py)
+          echo "Test determination output:"
+          echo "$output" | jq
+
+          # Extract individual fields
+          echo "integration-tests=$(echo "$output" | jq -r '.integration_tests')" >> $GITHUB_OUTPUT
+          echo "clang-tidy=$(echo "$output" | jq -r '.clang_tidy')" >> $GITHUB_OUTPUT
+          echo "clang-format=$(echo "$output" | jq -r '.clang_format')" >> $GITHUB_OUTPUT
+          echo "python-linters=$(echo "$output" | jq -r '.python_linters')" >> $GITHUB_OUTPUT
+          echo "changed-components=$(echo "$output" | jq -c '.changed_components')" >> $GITHUB_OUTPUT
+          echo "component-test-count=$(echo "$output" | jq -r '.component_test_count')" >> $GITHUB_OUTPUT
 
   integration-tests:
     name: Run integration tests
     runs-on: ubuntu-latest
     needs:
       - common
+      - determine-jobs
+    if: needs.determine-jobs.outputs.integration-tests == 'true'
     steps:
       - name: Check out code from GitHub
         uses: actions/checkout@v4.2.2
@@ -264,6 +322,8 @@ jobs:
     runs-on: ubuntu-24.04
     needs:
       - common
+      - determine-jobs
+    if: needs.determine-jobs.outputs.clang-format == 'true'
     steps:
       - name: Check out code from GitHub
         uses: actions/checkout@v4.2.2
@@ -297,6 +357,10 @@ jobs:
       - pylint
       - pytest
       - pyupgrade
+      - determine-jobs
+    if: needs.determine-jobs.outputs.clang-tidy == 'true'
+    env:
+      GH_TOKEN: ${{ github.token }}
     strategy:
       fail-fast: false
       max-parallel: 2
@@ -335,6 +399,10 @@ jobs:
     steps:
       - name: Check out code from GitHub
         uses: actions/checkout@v4.2.2
+        with:
+          # Need history for HEAD~1 to work for checking changed files
+          fetch-depth: 2
+
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -346,14 +414,14 @@ jobs:
         uses: actions/cache@v4.2.3
         with:
           path: ~/.platformio
-          key: platformio-${{ matrix.pio_cache_key }}
+          key: platformio-${{ matrix.pio_cache_key }}-${{ hashFiles('platformio.ini') }}
 
       - name: Cache platformio
         if: github.ref != 'refs/heads/dev'
         uses: actions/cache/restore@v4.2.3
         with:
           path: ~/.platformio
-          key: platformio-${{ matrix.pio_cache_key }}
+          key: platformio-${{ matrix.pio_cache_key }}-${{ hashFiles('platformio.ini') }}
 
       - name: Register problem matchers
         run: |
@@ -367,10 +435,28 @@ jobs:
           mkdir -p .temp
           pio run --list-targets -e esp32-idf-tidy
 
+      - name: Check if full clang-tidy scan needed
+        id: check_full_scan
+        run: |
+          . venv/bin/activate
+          if python script/clang_tidy_hash.py --check; then
+            echo "full_scan=true" >> $GITHUB_OUTPUT
+            echo "reason=hash_changed" >> $GITHUB_OUTPUT
+          else
+            echo "full_scan=false" >> $GITHUB_OUTPUT
+            echo "reason=normal" >> $GITHUB_OUTPUT
+          fi
+
       - name: Run clang-tidy
         run: |
           . venv/bin/activate
-          script/clang-tidy --all-headers --fix ${{ matrix.options }} ${{ matrix.ignore_errors && '|| true' || '' }}
+          if [ "${{ steps.check_full_scan.outputs.full_scan }}" = "true" ]; then
+            echo "Running FULL clang-tidy scan (hash changed)"
+            script/clang-tidy --all-headers --fix ${{ matrix.options }} ${{ matrix.ignore_errors && '|| true' || '' }}
+          else
+            echo "Running clang-tidy on changed files only"
+            script/clang-tidy --all-headers --fix --changed ${{ matrix.options }} ${{ matrix.ignore_errors && '|| true' || '' }}
+          fi
         env:
           # Also cache libdeps, store them in a ~/.platformio subfolder
           PLATFORMIO_LIBDEPS_DIR: ~/.platformio/libdeps
@@ -380,59 +466,18 @@ jobs:
         # yamllint disable-line rule:line-length
         if: always()
 
-  list-components:
-    runs-on: ubuntu-24.04
-    needs:
-      - common
-    if: github.event_name == 'pull_request'
-    outputs:
-      components: ${{ steps.list-components.outputs.components }}
-      count: ${{ steps.list-components.outputs.count }}
-    steps:
-      - name: Check out code from GitHub
-        uses: actions/checkout@v4.2.2
-        with:
-          # Fetch enough history so `git merge-base refs/remotes/origin/dev HEAD` works.
-          fetch-depth: 500
-      - name: Get target branch
-        id: target-branch
-        run: |
-          echo "branch=${{ github.event.pull_request.base.ref }}" >> $GITHUB_OUTPUT
-      - name: Fetch ${{ steps.target-branch.outputs.branch }} branch
-        run: |
-          git -c protocol.version=2 fetch --no-tags --prune --no-recurse-submodules --depth=1 origin +refs/heads/${{ steps.target-branch.outputs.branch }}:refs/remotes/origin/${{ steps.target-branch.outputs.branch }}
-          git merge-base refs/remotes/origin/${{ steps.target-branch.outputs.branch }} HEAD
-      - name: Restore Python
-        uses: ./.github/actions/restore-python
-        with:
-          python-version: ${{ env.DEFAULT_PYTHON }}
-          cache-key: ${{ needs.common.outputs.cache-key }}
-      - name: Find changed components
-        id: list-components
-        run: |
-          . venv/bin/activate
-          components=$(script/list-components.py --changed --branch ${{ steps.target-branch.outputs.branch }})
-          output_components=$(echo "$components" | jq -R -s -c 'split("\n")[:-1] | map(select(length > 0))')
-          count=$(echo "$output_components" | jq length)
-
-          echo "components=$output_components" >> $GITHUB_OUTPUT
-          echo "count=$count" >> $GITHUB_OUTPUT
-
-          echo "$count Components:"
-          echo "$output_components" | jq
-
   test-build-components:
     name: Component test ${{ matrix.file }}
     runs-on: ubuntu-24.04
     needs:
       - common
-      - list-components
+      - determine-jobs
-    if: github.event_name == 'pull_request' && fromJSON(needs.list-components.outputs.count) > 0 && fromJSON(needs.list-components.outputs.count) < 100
+    if: github.event_name == 'pull_request' && fromJSON(needs.determine-jobs.outputs.component-test-count) > 0 && fromJSON(needs.determine-jobs.outputs.component-test-count) < 100
     strategy:
       fail-fast: false
       max-parallel: 2
       matrix:
-        file: ${{ fromJson(needs.list-components.outputs.components) }}
+        file: ${{ fromJson(needs.determine-jobs.outputs.changed-components) }}
     steps:
       - name: Install dependencies
         run: |
@@ -460,8 +505,8 @@ jobs:
     runs-on: ubuntu-24.04
     needs:
       - common
-      - list-components
+      - determine-jobs
-    if: github.event_name == 'pull_request' && fromJSON(needs.list-components.outputs.count) >= 100
+    if: github.event_name == 'pull_request' && fromJSON(needs.determine-jobs.outputs.component-test-count) >= 100
     outputs:
       matrix: ${{ steps.split.outputs.components }}
     steps:
@@ -470,7 +515,7 @@ jobs:
       - name: Split components into 20 groups
         id: split
         run: |
-          components=$(echo '${{ needs.list-components.outputs.components }}' | jq -c '.[]' | shuf | jq -s -c '[_nwise(20) | join(" ")]')
+          components=$(echo '${{ needs.determine-jobs.outputs.changed-components }}' | jq -c '.[]' | shuf | jq -s -c '[_nwise(20) | join(" ")]')
           echo "components=$components" >> $GITHUB_OUTPUT
 
   test-build-components-split:
@@ -478,9 +523,9 @@ jobs:
     runs-on: ubuntu-24.04
     needs:
       - common
-      - list-components
+      - determine-jobs
       - test-build-components-splitter
-    if: github.event_name == 'pull_request' && fromJSON(needs.list-components.outputs.count) >= 100
+    if: github.event_name == 'pull_request' && fromJSON(needs.determine-jobs.outputs.component-test-count) >= 100
     strategy:
       fail-fast: false
       max-parallel: 4
@@ -531,7 +576,7 @@ jobs:
       - integration-tests
       - pyupgrade
       - clang-tidy
-      - list-components
+      - determine-jobs
       - test-build-components
       - test-build-components-splitter
       - test-build-components-split

.pre-commit-config.yaml

@@ -4,7 +4,7 @@
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.12.2
+    rev: v0.12.3
     hooks:
       # Run the linter.
       - id: ruff
@@ -48,3 +48,10 @@ repos:
         entry: python3 script/run-in-env.py pylint
         language: system
         types: [python]
+      - id: clang-tidy-hash
+        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)$
+        pass_filenames: false
+        additional_dependencies: []

CODEOWNERS

@@ -28,7 +28,7 @@ esphome/components/aic3204/* @kbx81
 esphome/components/airthings_ble/* @jeromelaban
 esphome/components/airthings_wave_base/* @jeromelaban @kpfleming @ncareau
 esphome/components/airthings_wave_mini/* @ncareau
-esphome/components/airthings_wave_plus/* @jeromelaban
+esphome/components/airthings_wave_plus/* @jeromelaban @precurse
 esphome/components/alarm_control_panel/* @grahambrown11 @hwstar
 esphome/components/alpha3/* @jan-hofmeier
 esphome/components/am2315c/* @swoboda1337
@@ -170,6 +170,7 @@ esphome/components/ft5x06/* @clydebarrow
 esphome/components/ft63x6/* @gpambrozio
 esphome/components/gcja5/* @gcormier
 esphome/components/gdk101/* @Szewcson
+esphome/components/gl_r01_i2c/* @pkejval
 esphome/components/globals/* @esphome/core
 esphome/components/gp2y1010au0f/* @zry98
 esphome/components/gp8403/* @jesserockz
@@ -254,6 +255,7 @@ esphome/components/ln882x/* @lamauny
 esphome/components/lock/* @esphome/core
 esphome/components/logger/* @esphome/core
 esphome/components/logger/select/* @clydebarrow
+esphome/components/lps22/* @nagisa
 esphome/components/ltr390/* @latonita @sjtrny
 esphome/components/ltr501/* @latonita
 esphome/components/ltr_als_ps/* @latonita

Doxyfile

@@ -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         = 2025.7.0-dev
+PROJECT_NUMBER         = 2025.8.0-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

esphome/components/airthings_wave_plus/__init__.py

@@ -1 +1 @@
-CODEOWNERS = ["@jeromelaban"]
+CODEOWNERS = ["@jeromelaban", "@precurse"]

esphome/components/airthings_wave_plus/airthings_wave_plus.cpp

@@ -73,11 +73,29 @@ void AirthingsWavePlus::dump_config() {
   LOG_SENSOR("  ", "Illuminance", this->illuminance_sensor_);
 }
 
-AirthingsWavePlus::AirthingsWavePlus() {
+void AirthingsWavePlus::setup() {
-  this->service_uuid_ = espbt::ESPBTUUID::from_raw(SERVICE_UUID);
+  const char *service_uuid;
-  this->sensors_data_characteristic_uuid_ = espbt::ESPBTUUID::from_raw(CHARACTERISTIC_UUID);
+  const char *characteristic_uuid;
+  const char *access_control_point_characteristic_uuid;
+
+  // Change UUIDs for Wave Radon Gen2
+  switch (this->wave_device_type_) {
+    case WaveDeviceType::WAVE_GEN2:
+      service_uuid = SERVICE_UUID_WAVE_RADON_GEN2;
+      characteristic_uuid = CHARACTERISTIC_UUID_WAVE_RADON_GEN2;
+      access_control_point_characteristic_uuid = ACCESS_CONTROL_POINT_CHARACTERISTIC_UUID_WAVE_RADON_GEN2;
+      break;
+    default:
+      // Wave Plus
+      service_uuid = SERVICE_UUID;
+      characteristic_uuid = CHARACTERISTIC_UUID;
+      access_control_point_characteristic_uuid = ACCESS_CONTROL_POINT_CHARACTERISTIC_UUID;
+  }
+
+  this->service_uuid_ = espbt::ESPBTUUID::from_raw(service_uuid);
+  this->sensors_data_characteristic_uuid_ = espbt::ESPBTUUID::from_raw(characteristic_uuid);
   this->access_control_point_characteristic_uuid_ =
-      espbt::ESPBTUUID::from_raw(ACCESS_CONTROL_POINT_CHARACTERISTIC_UUID);
+      espbt::ESPBTUUID::from_raw(access_control_point_characteristic_uuid);
 }
 
 }  // namespace airthings_wave_plus

esphome/components/airthings_wave_plus/airthings_wave_plus.h

@@ -9,13 +9,20 @@ namespace airthings_wave_plus {
 
 namespace espbt = esphome::esp32_ble_tracker;
 
+enum WaveDeviceType : uint8_t { WAVE_PLUS = 0, WAVE_GEN2 = 1 };
+
 static const char *const SERVICE_UUID = "b42e1c08-ade7-11e4-89d3-123b93f75cba";
 static const char *const CHARACTERISTIC_UUID = "b42e2a68-ade7-11e4-89d3-123b93f75cba";
 static const char *const ACCESS_CONTROL_POINT_CHARACTERISTIC_UUID = "b42e2d06-ade7-11e4-89d3-123b93f75cba";
 
+static const char *const SERVICE_UUID_WAVE_RADON_GEN2 = "b42e4a8e-ade7-11e4-89d3-123b93f75cba";
+static const char *const CHARACTERISTIC_UUID_WAVE_RADON_GEN2 = "b42e4dcc-ade7-11e4-89d3-123b93f75cba";
+static const char *const ACCESS_CONTROL_POINT_CHARACTERISTIC_UUID_WAVE_RADON_GEN2 =
+    "b42e50d8-ade7-11e4-89d3-123b93f75cba";
+
 class AirthingsWavePlus : public airthings_wave_base::AirthingsWaveBase {
  public:
-  AirthingsWavePlus();
+  void setup() override;
 
   void dump_config() override;
 
@@ -23,12 +30,14 @@ class AirthingsWavePlus : public airthings_wave_base::AirthingsWaveBase {
   void set_radon_long_term(sensor::Sensor *radon_long_term) { radon_long_term_sensor_ = radon_long_term; }
   void set_co2(sensor::Sensor *co2) { co2_sensor_ = co2; }
   void set_illuminance(sensor::Sensor *illuminance) { illuminance_sensor_ = illuminance; }
+  void set_device_type(WaveDeviceType wave_device_type) { wave_device_type_ = wave_device_type; }
 
  protected:
   bool is_valid_radon_value_(uint16_t radon);
   bool is_valid_co2_value_(uint16_t co2);
 
   void read_sensors(uint8_t *raw_value, uint16_t value_len) override;
+  WaveDeviceType wave_device_type_{WaveDeviceType::WAVE_PLUS};
 
   sensor::Sensor *radon_sensor_{nullptr};
   sensor::Sensor *radon_long_term_sensor_{nullptr};

esphome/components/airthings_wave_plus/sensor.py

@@ -7,6 +7,7 @@ from esphome.const import (
     CONF_ILLUMINANCE,
     CONF_RADON,
     CONF_RADON_LONG_TERM,
+    CONF_TVOC,
     DEVICE_CLASS_CARBON_DIOXIDE,
     DEVICE_CLASS_ILLUMINANCE,
     ICON_RADIOACTIVE,
@@ -15,6 +16,7 @@ from esphome.const import (
     UNIT_LUX,
     UNIT_PARTS_PER_MILLION,
 )
+from esphome.types import ConfigType
 
 DEPENDENCIES = airthings_wave_base.DEPENDENCIES
 
@@ -25,35 +27,59 @@ AirthingsWavePlus = airthings_wave_plus_ns.class_(
     "AirthingsWavePlus", airthings_wave_base.AirthingsWaveBase
 )
 
+CONF_DEVICE_TYPE = "device_type"
+WaveDeviceType = airthings_wave_plus_ns.enum("WaveDeviceType")
+DEVICE_TYPES = {
+    "WAVE_PLUS": WaveDeviceType.WAVE_PLUS,
+    "WAVE_GEN2": WaveDeviceType.WAVE_GEN2,
+}
 
-CONFIG_SCHEMA = airthings_wave_base.BASE_SCHEMA.extend(
+
-    {
+def validate_wave_gen2_config(config: ConfigType) -> ConfigType:
-        cv.GenerateID(): cv.declare_id(AirthingsWavePlus),
+    """Validate that Wave Gen2 devices don't have CO2 or TVOC sensors."""
-        cv.Optional(CONF_RADON): sensor.sensor_schema(
+    if config[CONF_DEVICE_TYPE] == "WAVE_GEN2":
-            unit_of_measurement=UNIT_BECQUEREL_PER_CUBIC_METER,
+        if CONF_CO2 in config:
-            icon=ICON_RADIOACTIVE,
+            raise cv.Invalid("Wave Gen2 devices do not support CO2 sensor")
-            accuracy_decimals=0,
+        # Check for TVOC in the base schema config
-            state_class=STATE_CLASS_MEASUREMENT,
+        if CONF_TVOC in config:
-        ),
+            raise cv.Invalid("Wave Gen2 devices do not support TVOC sensor")
-        cv.Optional(CONF_RADON_LONG_TERM): sensor.sensor_schema(
+    return config
-            unit_of_measurement=UNIT_BECQUEREL_PER_CUBIC_METER,
+
-            icon=ICON_RADIOACTIVE,
+
-            accuracy_decimals=0,
+CONFIG_SCHEMA = cv.All(
-            state_class=STATE_CLASS_MEASUREMENT,
+    airthings_wave_base.BASE_SCHEMA.extend(
-        ),
+        {
-        cv.Optional(CONF_CO2): sensor.sensor_schema(
+            cv.GenerateID(): cv.declare_id(AirthingsWavePlus),
-            unit_of_measurement=UNIT_PARTS_PER_MILLION,
+            cv.Optional(CONF_RADON): sensor.sensor_schema(
-            accuracy_decimals=0,
+                unit_of_measurement=UNIT_BECQUEREL_PER_CUBIC_METER,
-            device_class=DEVICE_CLASS_CARBON_DIOXIDE,
+                icon=ICON_RADIOACTIVE,
-            state_class=STATE_CLASS_MEASUREMENT,
+                accuracy_decimals=0,
-        ),
+                state_class=STATE_CLASS_MEASUREMENT,
-        cv.Optional(CONF_ILLUMINANCE): sensor.sensor_schema(
+            ),
-            unit_of_measurement=UNIT_LUX,
+            cv.Optional(CONF_RADON_LONG_TERM): sensor.sensor_schema(
-            accuracy_decimals=0,
+                unit_of_measurement=UNIT_BECQUEREL_PER_CUBIC_METER,
-            device_class=DEVICE_CLASS_ILLUMINANCE,
+                icon=ICON_RADIOACTIVE,
-            state_class=STATE_CLASS_MEASUREMENT,
+                accuracy_decimals=0,
-        ),
+                state_class=STATE_CLASS_MEASUREMENT,
-    }
+            ),
+            cv.Optional(CONF_CO2): sensor.sensor_schema(
+                unit_of_measurement=UNIT_PARTS_PER_MILLION,
+                accuracy_decimals=0,
+                device_class=DEVICE_CLASS_CARBON_DIOXIDE,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_ILLUMINANCE): sensor.sensor_schema(
+                unit_of_measurement=UNIT_LUX,
+                accuracy_decimals=0,
+                device_class=DEVICE_CLASS_ILLUMINANCE,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_DEVICE_TYPE, default="WAVE_PLUS"): cv.enum(
+                DEVICE_TYPES, upper=True
+            ),
+        }
+    ),
+    validate_wave_gen2_config,
 )
 
 
@@ -73,3 +99,4 @@ async def to_code(config):
     if config_illuminance := config.get(CONF_ILLUMINANCE):
         sens = await sensor.new_sensor(config_illuminance)
         cg.add(var.set_illuminance(sens))
+    cg.add(var.set_device_type(config[CONF_DEVICE_TYPE]))

esphome/components/apds9960/apds9960.cpp

@@ -23,7 +23,7 @@ void APDS9960::setup() {
     return;
   }
 
-  if (id != 0xAB && id != 0x9C && id != 0xA8) {  // APDS9960 all should have one of these IDs
+  if (id != 0xAB && id != 0x9C && id != 0xA8 && id != 0x9E) {  // APDS9960 all should have one of these IDs
     this->error_code_ = WRONG_ID;
     this->mark_failed();
     return;

esphome/components/api/__init__.py

@@ -24,8 +24,9 @@ from esphome.const import (
     CONF_TRIGGER_ID,
     CONF_VARIABLES,
 )
-from esphome.core import coroutine_with_priority
+from esphome.core import CORE, coroutine_with_priority
 
+DOMAIN = "api"
 DEPENDENCIES = ["network"]
 AUTO_LOAD = ["socket"]
 CODEOWNERS = ["@OttoWinter"]
@@ -51,6 +52,7 @@ SERVICE_ARG_NATIVE_TYPES = {
 }
 CONF_ENCRYPTION = "encryption"
 CONF_BATCH_DELAY = "batch_delay"
+CONF_CUSTOM_SERVICES = "custom_services"
 
 
 def validate_encryption_key(value):
@@ -115,6 +117,7 @@ CONFIG_SCHEMA = cv.All(
                 cv.positive_time_period_milliseconds,
                 cv.Range(max=cv.TimePeriod(milliseconds=65535)),
             ),
+            cv.Optional(CONF_CUSTOM_SERVICES, default=False): cv.boolean,
             cv.Optional(CONF_ON_CLIENT_CONNECTED): automation.validate_automation(
                 single=True
             ),
@@ -139,8 +142,11 @@ async def to_code(config):
     cg.add(var.set_reboot_timeout(config[CONF_REBOOT_TIMEOUT]))
     cg.add(var.set_batch_delay(config[CONF_BATCH_DELAY]))
 
+    # Set USE_API_SERVICES if any services are enabled
+    if config.get(CONF_ACTIONS) or config[CONF_CUSTOM_SERVICES]:
+        cg.add_define("USE_API_SERVICES")
+
     if actions := config.get(CONF_ACTIONS, []):
-        cg.add_define("USE_API_YAML_SERVICES")
         for conf in actions:
             template_args = []
             func_args = []
@@ -317,7 +323,10 @@ async def api_connected_to_code(config, condition_id, template_arg, args):
 
 
 def FILTER_SOURCE_FILES() -> list[str]:
-    """Filter out api_pb2_dump.cpp when proto message dumping is not enabled."""
+    """Filter out api_pb2_dump.cpp when proto message dumping is not enabled
+    and user_services.cpp when no services are defined."""
+    files_to_filter = []
+
     # 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
     # all the way to the end even when ifdef'd out
@@ -325,6 +334,11 @@ def FILTER_SOURCE_FILES() -> list[str]:
     # HAS_PROTO_MESSAGE_DUMP is defined when ESPHOME_LOG_HAS_VERY_VERBOSE is set,
     # which happens when the logger level is VERY_VERBOSE
     if get_logger_level() != "VERY_VERBOSE":
-        return ["api_pb2_dump.cpp"]
+        files_to_filter.append("api_pb2_dump.cpp")
 
-    return []
+    # 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")
+
+    return files_to_filter

esphome/components/api/api.proto

@@ -374,6 +374,7 @@ message CoverCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_COVER";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
 
@@ -387,6 +388,7 @@ message CoverCommandRequest {
   bool has_tilt = 6;
   float tilt = 7;
   bool stop = 8;
+  uint32 device_id = 9;
 }
 
 // ==================== FAN ====================
@@ -441,6 +443,7 @@ message FanCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_FAN";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   bool has_state = 2;
@@ -455,6 +458,7 @@ message FanCommandRequest {
   int32 speed_level = 11;
   bool has_preset_mode = 12;
   string preset_mode = 13;
+  uint32 device_id = 14;
 }
 
 // ==================== LIGHT ====================
@@ -523,6 +527,7 @@ message LightCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_LIGHT";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   bool has_state = 2;
@@ -551,6 +556,7 @@ message LightCommandRequest {
   uint32 flash_length = 17;
   bool has_effect = 18;
   string effect = 19;
+  uint32 device_id = 28;
 }
 
 // ==================== SENSOR ====================
@@ -640,9 +646,11 @@ message SwitchCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_SWITCH";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   bool state = 2;
+  uint32 device_id = 3;
 }
 
 // ==================== TEXT SENSOR ====================
@@ -799,18 +807,21 @@ enum ServiceArgType {
   SERVICE_ARG_TYPE_STRING_ARRAY = 7;
 }
 message ListEntitiesServicesArgument {
+  option (ifdef) = "USE_API_SERVICES";
   string name = 1;
   ServiceArgType type = 2;
 }
 message ListEntitiesServicesResponse {
   option (id) = 41;
   option (source) = SOURCE_SERVER;
+  option (ifdef) = "USE_API_SERVICES";
 
   string name = 1;
   fixed32 key = 2;
   repeated ListEntitiesServicesArgument args = 3;
 }
 message ExecuteServiceArgument {
+  option (ifdef) = "USE_API_SERVICES";
   bool bool_ = 1;
   int32 legacy_int = 2;
   float float_ = 3;
@@ -826,6 +837,7 @@ message ExecuteServiceRequest {
   option (id) = 42;
   option (source) = SOURCE_CLIENT;
   option (no_delay) = true;
+  option (ifdef) = "USE_API_SERVICES";
 
   fixed32 key = 1;
   repeated ExecuteServiceArgument args = 2;
@@ -850,12 +862,14 @@ message ListEntitiesCameraResponse {
 
 message CameraImageResponse {
   option (id) = 44;
+  option (base_class) = "StateResponseProtoMessage";
   option (source) = SOURCE_SERVER;
   option (ifdef) = "USE_CAMERA";
 
   fixed32 key = 1;
   bytes data = 2;
   bool done = 3;
+  uint32 device_id = 4;
 }
 message CameraImageRequest {
   option (id) = 45;
@@ -980,6 +994,7 @@ message ClimateCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_CLIMATE";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   bool has_mode = 2;
@@ -1005,6 +1020,7 @@ message ClimateCommandRequest {
   string custom_preset = 21;
   bool has_target_humidity = 22;
   float target_humidity = 23;
+  uint32 device_id = 24;
 }
 
 // ==================== NUMBER ====================
@@ -1054,9 +1070,11 @@ message NumberCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_NUMBER";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   float state = 2;
+  uint32 device_id = 3;
 }
 
 // ==================== SELECT ====================
@@ -1096,9 +1114,11 @@ message SelectCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_SELECT";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   string state = 2;
+  uint32 device_id = 3;
 }
 
 // ==================== SIREN ====================
@@ -1137,6 +1157,7 @@ message SirenCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_SIREN";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   bool has_state = 2;
@@ -1147,6 +1168,7 @@ message SirenCommandRequest {
   uint32 duration = 7;
   bool has_volume = 8;
   float volume = 9;
+  uint32 device_id = 10;
 }
 
 // ==================== LOCK ====================
@@ -1201,12 +1223,14 @@ message LockCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_LOCK";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
   fixed32 key = 1;
   LockCommand command = 2;
 
   // Not yet implemented:
   bool has_code = 3;
   string code = 4;
+  uint32 device_id = 5;
 }
 
 // ==================== BUTTON ====================
@@ -1232,8 +1256,10 @@ message ButtonCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_BUTTON";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
+  uint32 device_id = 2;
 }
 
 // ==================== MEDIA PLAYER ====================
@@ -1301,6 +1327,7 @@ message MediaPlayerCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_MEDIA_PLAYER";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
 
@@ -1315,6 +1342,7 @@ message MediaPlayerCommandRequest {
 
   bool has_announcement = 8;
   bool announcement = 9;
+  uint32 device_id = 10;
 }
 
 // ==================== BLUETOOTH ====================
@@ -1843,9 +1871,11 @@ message AlarmControlPanelCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_ALARM_CONTROL_PANEL";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
   fixed32 key = 1;
   AlarmControlPanelStateCommand command = 2;
   string code = 3;
+  uint32 device_id = 4;
 }
 
 // ===================== TEXT =====================
@@ -1892,9 +1922,11 @@ message TextCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_TEXT";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   string state = 2;
+  uint32 device_id = 3;
 }
 
 
@@ -1936,11 +1968,13 @@ message DateCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_DATETIME_DATE";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   uint32 year = 2;
   uint32 month = 3;
   uint32 day = 4;
+  uint32 device_id = 5;
 }
 
 // ==================== DATETIME TIME ====================
@@ -1981,11 +2015,13 @@ message TimeCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_DATETIME_TIME";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   uint32 hour = 2;
   uint32 minute = 3;
   uint32 second = 4;
+  uint32 device_id = 5;
 }
 
 // ==================== EVENT ====================
@@ -2065,11 +2101,13 @@ message ValveCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_VALVE";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   bool has_position = 2;
   float position = 3;
   bool stop = 4;
+  uint32 device_id = 5;
 }
 
 // ==================== DATETIME DATETIME ====================
@@ -2108,9 +2146,11 @@ message DateTimeCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_DATETIME_DATETIME";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   fixed32 epoch_seconds = 2;
+  uint32 device_id = 3;
 }
 
 // ==================== UPDATE ====================
@@ -2160,7 +2200,9 @@ message UpdateCommandRequest {
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_UPDATE";
   option (no_delay) = true;
+  option (base_class) = "CommandProtoMessage";
 
   fixed32 key = 1;
   UpdateCommand command = 2;
+  uint32 device_id = 3;
 }

esphome/components/api/api_connection.cpp

@@ -193,14 +193,15 @@ void APIConnection::loop() {
       // If we can't send the ping request directly (tx_buffer full),
       // schedule it at the front of the batch so it will be sent with priority
       ESP_LOGW(TAG, "Buffer full, ping queued");
-      this->schedule_message_front_(nullptr, &APIConnection::try_send_ping_request, PingRequest::MESSAGE_TYPE);
+      this->schedule_message_front_(nullptr, &APIConnection::try_send_ping_request, PingRequest::MESSAGE_TYPE,
+                                    PingRequest::ESTIMATED_SIZE);
       this->flags_.sent_ping = true;  // Mark as sent to avoid scheduling multiple pings
     }
   }
 
 #ifdef USE_CAMERA
   if (this->image_reader_ && this->image_reader_->available() && this->helper_->can_write_without_blocking()) {
-    uint32_t to_send = std::min((size_t) MAX_PACKET_SIZE, this->image_reader_->available());
+    uint32_t to_send = std::min((size_t) MAX_BATCH_PACKET_SIZE, this->image_reader_->available());
     bool done = this->image_reader_->available() == to_send;
     uint32_t msg_size = 0;
     ProtoSize::add_fixed_field<4>(msg_size, 1, true);
@@ -265,7 +266,7 @@ void APIConnection::on_disconnect_response(const DisconnectResponse &value) {
 
 // Encodes a message to the buffer and returns the total number of bytes used,
 // including header and footer overhead. Returns 0 if the message doesn't fit.
-uint16_t APIConnection::encode_message_to_buffer(ProtoMessage &msg, uint16_t message_type, APIConnection *conn,
+uint16_t APIConnection::encode_message_to_buffer(ProtoMessage &msg, uint8_t message_type, APIConnection *conn,
                                                  uint32_t remaining_size, bool is_single) {
 #ifdef HAS_PROTO_MESSAGE_DUMP
   // If in log-only mode, just log and return
@@ -316,7 +317,7 @@ uint16_t APIConnection::encode_message_to_buffer(ProtoMessage &msg, uint16_t mes
 #ifdef USE_BINARY_SENSOR
 bool APIConnection::send_binary_sensor_state(binary_sensor::BinarySensor *binary_sensor) {
   return this->send_message_smart_(binary_sensor, &APIConnection::try_send_binary_sensor_state,
-                                   BinarySensorStateResponse::MESSAGE_TYPE);
+                                   BinarySensorStateResponse::MESSAGE_TYPE, BinarySensorStateResponse::ESTIMATED_SIZE);
 }
 
 uint16_t APIConnection::try_send_binary_sensor_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
@@ -343,7 +344,8 @@ uint16_t APIConnection::try_send_binary_sensor_info(EntityBase *entity, APIConne
 
 #ifdef USE_COVER
 bool APIConnection::send_cover_state(cover::Cover *cover) {
-  return this->send_message_smart_(cover, &APIConnection::try_send_cover_state, CoverStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(cover, &APIConnection::try_send_cover_state, CoverStateResponse::MESSAGE_TYPE,
+                                   CoverStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_cover_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                              bool is_single) {
@@ -400,7 +402,8 @@ void APIConnection::cover_command(const CoverCommandRequest &msg) {
 
 #ifdef USE_FAN
 bool APIConnection::send_fan_state(fan::Fan *fan) {
-  return this->send_message_smart_(fan, &APIConnection::try_send_fan_state, FanStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(fan, &APIConnection::try_send_fan_state, FanStateResponse::MESSAGE_TYPE,
+                                   FanStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_fan_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                            bool is_single) {
@@ -455,7 +458,8 @@ void APIConnection::fan_command(const FanCommandRequest &msg) {
 
 #ifdef USE_LIGHT
 bool APIConnection::send_light_state(light::LightState *light) {
-  return this->send_message_smart_(light, &APIConnection::try_send_light_state, LightStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(light, &APIConnection::try_send_light_state, LightStateResponse::MESSAGE_TYPE,
+                                   LightStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_light_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                              bool is_single) {
@@ -543,7 +547,8 @@ void APIConnection::light_command(const LightCommandRequest &msg) {
 
 #ifdef USE_SENSOR
 bool APIConnection::send_sensor_state(sensor::Sensor *sensor) {
-  return this->send_message_smart_(sensor, &APIConnection::try_send_sensor_state, SensorStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(sensor, &APIConnection::try_send_sensor_state, SensorStateResponse::MESSAGE_TYPE,
+                                   SensorStateResponse::ESTIMATED_SIZE);
 }
 
 uint16_t APIConnection::try_send_sensor_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
@@ -575,7 +580,8 @@ uint16_t APIConnection::try_send_sensor_info(EntityBase *entity, APIConnection *
 
 #ifdef USE_SWITCH
 bool APIConnection::send_switch_state(switch_::Switch *a_switch) {
-  return this->send_message_smart_(a_switch, &APIConnection::try_send_switch_state, SwitchStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(a_switch, &APIConnection::try_send_switch_state, SwitchStateResponse::MESSAGE_TYPE,
+                                   SwitchStateResponse::ESTIMATED_SIZE);
 }
 
 uint16_t APIConnection::try_send_switch_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
@@ -611,7 +617,7 @@ void APIConnection::switch_command(const SwitchCommandRequest &msg) {
 #ifdef USE_TEXT_SENSOR
 bool APIConnection::send_text_sensor_state(text_sensor::TextSensor *text_sensor) {
   return this->send_message_smart_(text_sensor, &APIConnection::try_send_text_sensor_state,
-                                   TextSensorStateResponse::MESSAGE_TYPE);
+                                   TextSensorStateResponse::MESSAGE_TYPE, TextSensorStateResponse::ESTIMATED_SIZE);
 }
 
 uint16_t APIConnection::try_send_text_sensor_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
@@ -638,7 +644,8 @@ uint16_t APIConnection::try_send_text_sensor_info(EntityBase *entity, APIConnect
 
 #ifdef USE_CLIMATE
 bool APIConnection::send_climate_state(climate::Climate *climate) {
-  return this->send_message_smart_(climate, &APIConnection::try_send_climate_state, ClimateStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(climate, &APIConnection::try_send_climate_state, ClimateStateResponse::MESSAGE_TYPE,
+                                   ClimateStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_climate_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                                bool is_single) {
@@ -734,7 +741,8 @@ void APIConnection::climate_command(const ClimateCommandRequest &msg) {
 
 #ifdef USE_NUMBER
 bool APIConnection::send_number_state(number::Number *number) {
-  return this->send_message_smart_(number, &APIConnection::try_send_number_state, NumberStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(number, &APIConnection::try_send_number_state, NumberStateResponse::MESSAGE_TYPE,
+                                   NumberStateResponse::ESTIMATED_SIZE);
 }
 
 uint16_t APIConnection::try_send_number_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
@@ -770,7 +778,8 @@ void APIConnection::number_command(const NumberCommandRequest &msg) {
 
 #ifdef USE_DATETIME_DATE
 bool APIConnection::send_date_state(datetime::DateEntity *date) {
-  return this->send_message_smart_(date, &APIConnection::try_send_date_state, DateStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(date, &APIConnection::try_send_date_state, DateStateResponse::MESSAGE_TYPE,
+                                   DateStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_date_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                             bool is_single) {
@@ -800,7 +809,8 @@ void APIConnection::date_command(const DateCommandRequest &msg) {
 
 #ifdef USE_DATETIME_TIME
 bool APIConnection::send_time_state(datetime::TimeEntity *time) {
-  return this->send_message_smart_(time, &APIConnection::try_send_time_state, TimeStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(time, &APIConnection::try_send_time_state, TimeStateResponse::MESSAGE_TYPE,
+                                   TimeStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_time_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                             bool is_single) {
@@ -831,7 +841,7 @@ void APIConnection::time_command(const TimeCommandRequest &msg) {
 #ifdef USE_DATETIME_DATETIME
 bool APIConnection::send_datetime_state(datetime::DateTimeEntity *datetime) {
   return this->send_message_smart_(datetime, &APIConnection::try_send_datetime_state,
-                                   DateTimeStateResponse::MESSAGE_TYPE);
+                                   DateTimeStateResponse::MESSAGE_TYPE, DateTimeStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_datetime_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                                 bool is_single) {
@@ -862,7 +872,8 @@ void APIConnection::datetime_command(const DateTimeCommandRequest &msg) {
 
 #ifdef USE_TEXT
 bool APIConnection::send_text_state(text::Text *text) {
-  return this->send_message_smart_(text, &APIConnection::try_send_text_state, TextStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(text, &APIConnection::try_send_text_state, TextStateResponse::MESSAGE_TYPE,
+                                   TextStateResponse::ESTIMATED_SIZE);
 }
 
 uint16_t APIConnection::try_send_text_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
@@ -896,7 +907,8 @@ void APIConnection::text_command(const TextCommandRequest &msg) {
 
 #ifdef USE_SELECT
 bool APIConnection::send_select_state(select::Select *select) {
-  return this->send_message_smart_(select, &APIConnection::try_send_select_state, SelectStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(select, &APIConnection::try_send_select_state, SelectStateResponse::MESSAGE_TYPE,
+                                   SelectStateResponse::ESTIMATED_SIZE);
 }
 
 uint16_t APIConnection::try_send_select_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
@@ -944,7 +956,8 @@ void esphome::api::APIConnection::button_command(const ButtonCommandRequest &msg
 
 #ifdef USE_LOCK
 bool APIConnection::send_lock_state(lock::Lock *a_lock) {
-  return this->send_message_smart_(a_lock, &APIConnection::try_send_lock_state, LockStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(a_lock, &APIConnection::try_send_lock_state, LockStateResponse::MESSAGE_TYPE,
+                                   LockStateResponse::ESTIMATED_SIZE);
 }
 
 uint16_t APIConnection::try_send_lock_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
@@ -986,7 +999,8 @@ void APIConnection::lock_command(const LockCommandRequest &msg) {
 
 #ifdef USE_VALVE
 bool APIConnection::send_valve_state(valve::Valve *valve) {
-  return this->send_message_smart_(valve, &APIConnection::try_send_valve_state, ValveStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(valve, &APIConnection::try_send_valve_state, ValveStateResponse::MESSAGE_TYPE,
+                                   ValveStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_valve_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                              bool is_single) {
@@ -1023,7 +1037,7 @@ void APIConnection::valve_command(const ValveCommandRequest &msg) {
 #ifdef USE_MEDIA_PLAYER
 bool APIConnection::send_media_player_state(media_player::MediaPlayer *media_player) {
   return this->send_message_smart_(media_player, &APIConnection::try_send_media_player_state,
-                                   MediaPlayerStateResponse::MESSAGE_TYPE);
+                                   MediaPlayerStateResponse::MESSAGE_TYPE, MediaPlayerStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_media_player_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                                     bool is_single) {
@@ -1262,7 +1276,8 @@ void APIConnection::voice_assistant_set_configuration(const VoiceAssistantSetCon
 #ifdef USE_ALARM_CONTROL_PANEL
 bool APIConnection::send_alarm_control_panel_state(alarm_control_panel::AlarmControlPanel *a_alarm_control_panel) {
   return this->send_message_smart_(a_alarm_control_panel, &APIConnection::try_send_alarm_control_panel_state,
-                                   AlarmControlPanelStateResponse::MESSAGE_TYPE);
+                                   AlarmControlPanelStateResponse::MESSAGE_TYPE,
+                                   AlarmControlPanelStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_alarm_control_panel_state(EntityBase *entity, APIConnection *conn,
                                                            uint32_t remaining_size, bool is_single) {
@@ -1316,7 +1331,8 @@ void APIConnection::alarm_control_panel_command(const AlarmControlPanelCommandRe
 
 #ifdef USE_EVENT
 void APIConnection::send_event(event::Event *event, const std::string &event_type) {
-  this->schedule_message_(event, MessageCreator(event_type), EventResponse::MESSAGE_TYPE);
+  this->schedule_message_(event, MessageCreator(event_type), EventResponse::MESSAGE_TYPE,
+                          EventResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_event_response(event::Event *event, const std::string &event_type, APIConnection *conn,
                                                 uint32_t remaining_size, bool is_single) {
@@ -1341,7 +1357,8 @@ uint16_t APIConnection::try_send_event_info(EntityBase *entity, APIConnection *c
 
 #ifdef USE_UPDATE
 bool APIConnection::send_update_state(update::UpdateEntity *update) {
-  return this->send_message_smart_(update, &APIConnection::try_send_update_state, UpdateStateResponse::MESSAGE_TYPE);
+  return this->send_message_smart_(update, &APIConnection::try_send_update_state, UpdateStateResponse::MESSAGE_TYPE,
+                                   UpdateStateResponse::ESTIMATED_SIZE);
 }
 uint16_t APIConnection::try_send_update_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                               bool is_single) {
@@ -1534,6 +1551,7 @@ void APIConnection::on_home_assistant_state_response(const HomeAssistantStateRes
     }
   }
 }
+#ifdef USE_API_SERVICES
 void APIConnection::execute_service(const ExecuteServiceRequest &msg) {
   bool found = false;
   for (auto *service : this->parent_->get_user_services()) {
@@ -1545,6 +1563,7 @@ void APIConnection::execute_service(const ExecuteServiceRequest &msg) {
     ESP_LOGV(TAG, "Could not find service");
   }
 }
+#endif
 #ifdef USE_API_NOISE
 NoiseEncryptionSetKeyResponse APIConnection::noise_encryption_set_key(const NoiseEncryptionSetKeyRequest &msg) {
   psk_t psk{};
@@ -1588,7 +1607,7 @@ bool APIConnection::try_to_clear_buffer(bool log_out_of_space) {
   }
   return false;
 }
-bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint16_t message_type) {
+bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) {
   if (!this->try_to_clear_buffer(message_type != SubscribeLogsResponse::MESSAGE_TYPE)) {  // SubscribeLogsResponse
     return false;
   }
@@ -1622,7 +1641,8 @@ void APIConnection::on_fatal_error() {
   this->flags_.remove = true;
 }
 
-void APIConnection::DeferredBatch::add_item(EntityBase *entity, MessageCreator creator, uint16_t message_type) {
+void APIConnection::DeferredBatch::add_item(EntityBase *entity, MessageCreator creator, uint8_t message_type,
+                                            uint8_t estimated_size) {
   // Check if we already have a message of this type for this entity
   // This provides deduplication per entity/message_type combination
   // O(n) but optimized for RAM and not performance.
@@ -1637,12 +1657,13 @@ void APIConnection::DeferredBatch::add_item(EntityBase *entity, MessageCreator c
   }
 
   // No existing item found, add new one
-  items.emplace_back(entity, std::move(creator), message_type);
+  items.emplace_back(entity, std::move(creator), message_type, estimated_size);
 }
 
-void APIConnection::DeferredBatch::add_item_front(EntityBase *entity, MessageCreator creator, uint16_t message_type) {
+void APIConnection::DeferredBatch::add_item_front(EntityBase *entity, MessageCreator creator, uint8_t message_type,
+                                                  uint8_t estimated_size) {
   // Insert at front for high priority messages (no deduplication check)
-  items.insert(items.begin(), BatchItem(entity, std::move(creator), message_type));
+  items.insert(items.begin(), BatchItem(entity, std::move(creator), message_type, estimated_size));
 }
 
 bool APIConnection::schedule_batch_() {
@@ -1714,7 +1735,7 @@ void APIConnection::process_batch_() {
   uint32_t total_estimated_size = 0;
   for (size_t i = 0; i < this->deferred_batch_.size(); i++) {
     const auto &item = this->deferred_batch_[i];
-    total_estimated_size += get_estimated_message_size(item.message_type);
+    total_estimated_size += item.estimated_size;
   }
 
   // Calculate total overhead for all messages
@@ -1752,9 +1773,9 @@ void APIConnection::process_batch_() {
 
     // Update tracking variables
     items_processed++;
-    // After first message, set remaining size to MAX_PACKET_SIZE to avoid fragmentation
+    // After first message, set remaining size to MAX_BATCH_PACKET_SIZE to avoid fragmentation
     if (items_processed == 1) {
-      remaining_size = MAX_PACKET_SIZE;
+      remaining_size = MAX_BATCH_PACKET_SIZE;
     }
     remaining_size -= payload_size;
     // Calculate where the next message's header padding will start
@@ -1808,7 +1829,7 @@ void APIConnection::process_batch_() {
 }
 
 uint16_t APIConnection::MessageCreator::operator()(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
-                                                   bool is_single, uint16_t message_type) const {
+                                                   bool is_single, uint8_t message_type) const {
 #ifdef USE_EVENT
   // Special case: EventResponse uses string pointer
   if (message_type == EventResponse::MESSAGE_TYPE) {
@@ -1839,149 +1860,6 @@ uint16_t APIConnection::try_send_ping_request(EntityBase *entity, APIConnection
   return encode_message_to_buffer(req, PingRequest::MESSAGE_TYPE, conn, remaining_size, is_single);
 }
 
-uint16_t APIConnection::get_estimated_message_size(uint16_t message_type) {
-  // Use generated ESTIMATED_SIZE constants from each message type
-  switch (message_type) {
-#ifdef USE_BINARY_SENSOR
-    case BinarySensorStateResponse::MESSAGE_TYPE:
-      return BinarySensorStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesBinarySensorResponse::MESSAGE_TYPE:
-      return ListEntitiesBinarySensorResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_SENSOR
-    case SensorStateResponse::MESSAGE_TYPE:
-      return SensorStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesSensorResponse::MESSAGE_TYPE:
-      return ListEntitiesSensorResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_SWITCH
-    case SwitchStateResponse::MESSAGE_TYPE:
-      return SwitchStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesSwitchResponse::MESSAGE_TYPE:
-      return ListEntitiesSwitchResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_TEXT_SENSOR
-    case TextSensorStateResponse::MESSAGE_TYPE:
-      return TextSensorStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesTextSensorResponse::MESSAGE_TYPE:
-      return ListEntitiesTextSensorResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_NUMBER
-    case NumberStateResponse::MESSAGE_TYPE:
-      return NumberStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesNumberResponse::MESSAGE_TYPE:
-      return ListEntitiesNumberResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_TEXT
-    case TextStateResponse::MESSAGE_TYPE:
-      return TextStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesTextResponse::MESSAGE_TYPE:
-      return ListEntitiesTextResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_SELECT
-    case SelectStateResponse::MESSAGE_TYPE:
-      return SelectStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesSelectResponse::MESSAGE_TYPE:
-      return ListEntitiesSelectResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_LOCK
-    case LockStateResponse::MESSAGE_TYPE:
-      return LockStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesLockResponse::MESSAGE_TYPE:
-      return ListEntitiesLockResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_EVENT
-    case EventResponse::MESSAGE_TYPE:
-      return EventResponse::ESTIMATED_SIZE;
-    case ListEntitiesEventResponse::MESSAGE_TYPE:
-      return ListEntitiesEventResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_COVER
-    case CoverStateResponse::MESSAGE_TYPE:
-      return CoverStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesCoverResponse::MESSAGE_TYPE:
-      return ListEntitiesCoverResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_FAN
-    case FanStateResponse::MESSAGE_TYPE:
-      return FanStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesFanResponse::MESSAGE_TYPE:
-      return ListEntitiesFanResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_LIGHT
-    case LightStateResponse::MESSAGE_TYPE:
-      return LightStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesLightResponse::MESSAGE_TYPE:
-      return ListEntitiesLightResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_CLIMATE
-    case ClimateStateResponse::MESSAGE_TYPE:
-      return ClimateStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesClimateResponse::MESSAGE_TYPE:
-      return ListEntitiesClimateResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_ESP32_CAMERA
-    case ListEntitiesCameraResponse::MESSAGE_TYPE:
-      return ListEntitiesCameraResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_BUTTON
-    case ListEntitiesButtonResponse::MESSAGE_TYPE:
-      return ListEntitiesButtonResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_MEDIA_PLAYER
-    case MediaPlayerStateResponse::MESSAGE_TYPE:
-      return MediaPlayerStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesMediaPlayerResponse::MESSAGE_TYPE:
-      return ListEntitiesMediaPlayerResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_ALARM_CONTROL_PANEL
-    case AlarmControlPanelStateResponse::MESSAGE_TYPE:
-      return AlarmControlPanelStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesAlarmControlPanelResponse::MESSAGE_TYPE:
-      return ListEntitiesAlarmControlPanelResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_DATETIME_DATE
-    case DateStateResponse::MESSAGE_TYPE:
-      return DateStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesDateResponse::MESSAGE_TYPE:
-      return ListEntitiesDateResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_DATETIME_TIME
-    case TimeStateResponse::MESSAGE_TYPE:
-      return TimeStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesTimeResponse::MESSAGE_TYPE:
-      return ListEntitiesTimeResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_DATETIME_DATETIME
-    case DateTimeStateResponse::MESSAGE_TYPE:
-      return DateTimeStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesDateTimeResponse::MESSAGE_TYPE:
-      return ListEntitiesDateTimeResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_VALVE
-    case ValveStateResponse::MESSAGE_TYPE:
-      return ValveStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesValveResponse::MESSAGE_TYPE:
-      return ListEntitiesValveResponse::ESTIMATED_SIZE;
-#endif
-#ifdef USE_UPDATE
-    case UpdateStateResponse::MESSAGE_TYPE:
-      return UpdateStateResponse::ESTIMATED_SIZE;
-    case ListEntitiesUpdateResponse::MESSAGE_TYPE:
-      return ListEntitiesUpdateResponse::ESTIMATED_SIZE;
-#endif
-    case ListEntitiesServicesResponse::MESSAGE_TYPE:
-      return ListEntitiesServicesResponse::ESTIMATED_SIZE;
-    case ListEntitiesDoneResponse::MESSAGE_TYPE:
-      return ListEntitiesDoneResponse::ESTIMATED_SIZE;
-    case DisconnectRequest::MESSAGE_TYPE:
-      return DisconnectRequest::ESTIMATED_SIZE;
-    default:
-      // Fallback for unknown message types
-      return 24;
-  }
-}
-
 }  // namespace api
 }  // namespace esphome
 #endif

esphome/components/api/api_connection.h

@@ -33,7 +33,7 @@ class APIConnection : public APIServerConnection {
 
   bool send_list_info_done() {
     return this->schedule_message_(nullptr, &APIConnection::try_send_list_info_done,
-                                   ListEntitiesDoneResponse::MESSAGE_TYPE);
+                                   ListEntitiesDoneResponse::MESSAGE_TYPE, ListEntitiesDoneResponse::ESTIMATED_SIZE);
   }
 #ifdef USE_BINARY_SENSOR
   bool send_binary_sensor_state(binary_sensor::BinarySensor *binary_sensor);
@@ -195,7 +195,9 @@ class APIConnection : public APIServerConnection {
     // TODO
     return {};
   }
+#ifdef USE_API_SERVICES
   void execute_service(const ExecuteServiceRequest &msg) override;
+#endif
 #ifdef USE_API_NOISE
   NoiseEncryptionSetKeyResponse noise_encryption_set_key(const NoiseEncryptionSetKeyRequest &msg) override;
 #endif
@@ -256,7 +258,7 @@ class APIConnection : public APIServerConnection {
   }
 
   bool try_to_clear_buffer(bool log_out_of_space);
-  bool send_buffer(ProtoWriteBuffer buffer, uint16_t message_type) override;
+  bool send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) override;
 
   std::string get_client_combined_info() const {
     if (this->client_info_ == this->client_peername_) {
@@ -298,7 +300,7 @@ class APIConnection : public APIServerConnection {
   }
 
   // Non-template helper to encode any ProtoMessage
-  static uint16_t encode_message_to_buffer(ProtoMessage &msg, uint16_t message_type, APIConnection *conn,
+  static uint16_t encode_message_to_buffer(ProtoMessage &msg, uint8_t message_type, APIConnection *conn,
                                            uint32_t remaining_size, bool is_single);
 
 #ifdef USE_VOICE_ASSISTANT
@@ -443,9 +445,6 @@ class APIConnection : public APIServerConnection {
   static uint16_t try_send_disconnect_request(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                               bool is_single);
 
-  // Helper function to get estimated message size for buffer pre-allocation
-  static uint16_t get_estimated_message_size(uint16_t message_type);
-
   // Batch message method for ping requests
   static uint16_t try_send_ping_request(EntityBase *entity, APIConnection *conn, uint32_t remaining_size,
                                         bool is_single);
@@ -505,10 +504,10 @@ class APIConnection : public APIServerConnection {
 
     // Call operator - uses message_type to determine union type
     uint16_t operator()(EntityBase *entity, APIConnection *conn, uint32_t remaining_size, bool is_single,
-                        uint16_t message_type) const;
+                        uint8_t message_type) const;
 
     // Manual cleanup method - must be called before destruction for string types
-    void cleanup(uint16_t message_type) {
+    void cleanup(uint8_t message_type) {
 #ifdef USE_EVENT
       if (message_type == EventResponse::MESSAGE_TYPE && data_.string_ptr != nullptr) {
         delete data_.string_ptr;
@@ -529,11 +528,12 @@ class APIConnection : public APIServerConnection {
     struct BatchItem {
       EntityBase *entity;      // Entity pointer
       MessageCreator creator;  // Function that creates the message when needed
-      uint16_t message_type;   // Message type for overhead calculation
+      uint8_t message_type;    // Message type for overhead calculation (max 255)
+      uint8_t estimated_size;  // Estimated message size (max 255 bytes)
 
       // Constructor for creating BatchItem
-      BatchItem(EntityBase *entity, MessageCreator creator, uint16_t message_type)
+      BatchItem(EntityBase *entity, MessageCreator creator, uint8_t message_type, uint8_t estimated_size)
-          : entity(entity), creator(std::move(creator)), message_type(message_type) {}
+          : entity(entity), creator(std::move(creator)), message_type(message_type), estimated_size(estimated_size) {}
     };
 
     std::vector<BatchItem> items;
@@ -559,9 +559,9 @@ class APIConnection : public APIServerConnection {
     }
 
     // Add item to the batch
-    void add_item(EntityBase *entity, MessageCreator creator, uint16_t message_type);
+    void add_item(EntityBase *entity, MessageCreator creator, uint8_t message_type, uint8_t estimated_size);
     // Add item to the front of the batch (for high priority messages like ping)
-    void add_item_front(EntityBase *entity, MessageCreator creator, uint16_t message_type);
+    void add_item_front(EntityBase *entity, MessageCreator creator, uint8_t message_type, uint8_t estimated_size);
 
     // Clear all items with proper cleanup
     void clear() {
@@ -630,7 +630,7 @@ class APIConnection : public APIServerConnection {
   // to send in one go. This is the maximum size of a single packet
   // that can be sent over the network.
   // This is to avoid fragmentation of the packet.
-  static constexpr size_t MAX_PACKET_SIZE = 1390;  // MTU
+  static constexpr size_t MAX_BATCH_PACKET_SIZE = 1390;  // MTU
 
   bool schedule_batch_();
   void process_batch_();
@@ -641,9 +641,9 @@ class APIConnection : public APIServerConnection {
 
 #ifdef HAS_PROTO_MESSAGE_DUMP
   // Helper to log a proto message from a MessageCreator object
-  void log_proto_message_(EntityBase *entity, const MessageCreator &creator, uint16_t message_type) {
+  void log_proto_message_(EntityBase *entity, const MessageCreator &creator, uint8_t message_type) {
     this->flags_.log_only_mode = true;
-    creator(entity, this, MAX_PACKET_SIZE, true, message_type);
+    creator(entity, this, MAX_BATCH_PACKET_SIZE, true, message_type);
     this->flags_.log_only_mode = false;
   }
 
@@ -654,7 +654,8 @@ class APIConnection : public APIServerConnection {
 #endif
 
   // Helper method to send a message either immediately or via batching
-  bool send_message_smart_(EntityBase *entity, MessageCreatorPtr creator, uint16_t message_type) {
+  bool send_message_smart_(EntityBase *entity, MessageCreatorPtr creator, uint8_t message_type,
+                           uint8_t estimated_size) {
     // Try to send immediately if:
     // 1. We should try to send immediately (should_try_send_immediately = true)
     // 2. Batch delay is 0 (user has opted in to immediate sending)
@@ -662,7 +663,7 @@ class APIConnection : public APIServerConnection {
     if (this->flags_.should_try_send_immediately && this->get_batch_delay_ms_() == 0 &&
         this->helper_->can_write_without_blocking()) {
       // Now actually encode and send
-      if (creator(entity, this, MAX_PACKET_SIZE, true) &&
+      if (creator(entity, this, MAX_BATCH_PACKET_SIZE, true) &&
           this->send_buffer(ProtoWriteBuffer{&this->parent_->get_shared_buffer_ref()}, message_type)) {
 #ifdef HAS_PROTO_MESSAGE_DUMP
         // Log the message in verbose mode
@@ -675,23 +676,25 @@ class APIConnection : public APIServerConnection {
     }
 
     // Fall back to scheduled batching
-    return this->schedule_message_(entity, creator, message_type);
+    return this->schedule_message_(entity, creator, message_type, estimated_size);
   }
 
   // Helper function to schedule a deferred message with known message type
-  bool schedule_message_(EntityBase *entity, MessageCreator creator, uint16_t message_type) {
+  bool schedule_message_(EntityBase *entity, MessageCreator creator, uint8_t message_type, uint8_t estimated_size) {
-    this->deferred_batch_.add_item(entity, std::move(creator), message_type);
+    this->deferred_batch_.add_item(entity, std::move(creator), message_type, estimated_size);
     return this->schedule_batch_();
   }
 
   // Overload for function pointers (for info messages and current state reads)
-  bool schedule_message_(EntityBase *entity, MessageCreatorPtr function_ptr, uint16_t message_type) {
+  bool schedule_message_(EntityBase *entity, MessageCreatorPtr function_ptr, uint8_t message_type,
-    return schedule_message_(entity, MessageCreator(function_ptr), message_type);
+                         uint8_t estimated_size) {
+    return schedule_message_(entity, MessageCreator(function_ptr), message_type, estimated_size);
   }
 
   // Helper function to schedule a high priority message at the front of the batch
-  bool schedule_message_front_(EntityBase *entity, MessageCreatorPtr function_ptr, uint16_t message_type) {
+  bool schedule_message_front_(EntityBase *entity, MessageCreatorPtr function_ptr, uint8_t message_type,
-    this->deferred_batch_.add_item_front(entity, MessageCreator(function_ptr), message_type);
+                               uint8_t estimated_size) {
+    this->deferred_batch_.add_item_front(entity, MessageCreator(function_ptr), message_type, estimated_size);
     return this->schedule_batch_();
   }
 };

esphome/components/api/api_frame_helper.cpp

@@ -613,7 +613,7 @@ APIError APINoiseFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   buffer->type = type;
   return APIError::OK;
 }
-APIError APINoiseFrameHelper::write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) {
+APIError APINoiseFrameHelper::write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) {
   // Resize to include MAC space (required for Noise encryption)
   buffer.get_buffer()->resize(buffer.get_buffer()->size() + frame_footer_size_);
   PacketInfo packet{type, 0,
@@ -1002,7 +1002,7 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   buffer->type = rx_header_parsed_type_;
   return APIError::OK;
 }
-APIError APIPlaintextFrameHelper::write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) {
+APIError APIPlaintextFrameHelper::write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) {
   PacketInfo packet{type, 0, static_cast<uint16_t>(buffer.get_buffer()->size() - frame_header_padding_)};
   return write_protobuf_packets(buffer, std::span<const PacketInfo>(&packet, 1));
 }

esphome/components/api/api_frame_helper.h

@@ -30,13 +30,11 @@ struct ReadPacketBuffer {
 
 // Packed packet info structure to minimize memory usage
 struct PacketInfo {
-  uint16_t message_type;  // 2 bytes
+  uint16_t offset;        // Offset in buffer where message starts
-  uint16_t offset;        // 2 bytes (sufficient for packet size ~1460 bytes)
+  uint16_t payload_size;  // Size of the message payload
-  uint16_t payload_size;  // 2 bytes (up to 65535 bytes)
+  uint8_t message_type;   // Message type (0-255)
-  uint16_t padding;       // 2 byte (for alignment)
 
-  PacketInfo(uint16_t type, uint16_t off, uint16_t size)
+  PacketInfo(uint8_t type, uint16_t off, uint16_t size) : offset(off), payload_size(size), message_type(type) {}
-      : message_type(type), offset(off), payload_size(size), padding(0) {}
 };
 
 enum class APIError : uint16_t {
@@ -98,7 +96,7 @@ class APIFrameHelper {
   }
   // Give this helper a name for logging
   void set_log_info(std::string info) { info_ = std::move(info); }
-  virtual APIError write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) = 0;
+  virtual APIError write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) = 0;
   // Write multiple protobuf packets in a single operation
   // packets contains (message_type, offset, length) for each message in the buffer
   // The buffer contains all messages with appropriate padding before each
@@ -197,7 +195,7 @@ class APINoiseFrameHelper : public APIFrameHelper {
   APIError init() override;
   APIError loop() override;
   APIError read_packet(ReadPacketBuffer *buffer) override;
-  APIError write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) override;
+  APIError write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) override;
   APIError write_protobuf_packets(ProtoWriteBuffer buffer, std::span<const PacketInfo> packets) override;
   // Get the frame header padding required by this protocol
   uint8_t frame_header_padding() override { return frame_header_padding_; }
@@ -251,7 +249,7 @@ class APIPlaintextFrameHelper : public APIFrameHelper {
   APIError init() override;
   APIError loop() override;
   APIError read_packet(ReadPacketBuffer *buffer) override;
-  APIError write_protobuf_packet(uint16_t type, ProtoWriteBuffer buffer) override;
+  APIError write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) override;
   APIError write_protobuf_packets(ProtoWriteBuffer buffer, std::span<const PacketInfo> packets) override;
   uint8_t frame_header_padding() override { return frame_header_padding_; }
   // Get the frame footer size required by this protocol

esphome/components/api/api_pb2_dump.cpp

@@ -162,6 +162,7 @@ template<> const char *proto_enum_to_string<enums::LogLevel>(enums::LogLevel val
       return "UNKNOWN";
   }
 }
+#ifdef USE_API_SERVICES
 template<> const char *proto_enum_to_string<enums::ServiceArgType>(enums::ServiceArgType value) {
   switch (value) {
     case enums::SERVICE_ARG_TYPE_BOOL:
@@ -184,6 +185,7 @@ template<> const char *proto_enum_to_string<enums::ServiceArgType>(enums::Servic
       return "UNKNOWN";
   }
 }
+#endif
 #ifdef USE_CLIMATE
 template<> const char *proto_enum_to_string<enums::ClimateMode>(enums::ClimateMode value) {
   switch (value) {
@@ -986,6 +988,11 @@ void CoverCommandRequest::dump_to(std::string &out) const {
   out.append("  stop: ");
   out.append(YESNO(this->stop));
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -1146,6 +1153,11 @@ void FanCommandRequest::dump_to(std::string &out) const {
   out.append("  preset_mode: ");
   out.append("'").append(this->preset_mode).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -1419,6 +1431,11 @@ void LightCommandRequest::dump_to(std::string &out) const {
   out.append("  effect: ");
   out.append("'").append(this->effect).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -1586,6 +1603,11 @@ void SwitchCommandRequest::dump_to(std::string &out) const {
   out.append("  state: ");
   out.append(YESNO(this->state));
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -1791,6 +1813,7 @@ void GetTimeResponse::dump_to(std::string &out) const {
   out.append("\n");
   out.append("}");
 }
+#ifdef USE_API_SERVICES
 void ListEntitiesServicesArgument::dump_to(std::string &out) const {
   __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesServicesArgument {\n");
@@ -1890,6 +1913,7 @@ void ExecuteServiceRequest::dump_to(std::string &out) const {
   }
   out.append("}");
 }
+#endif
 #ifdef USE_CAMERA
 void ListEntitiesCameraResponse::dump_to(std::string &out) const {
   __attribute__((unused)) char buffer[64];
@@ -1944,6 +1968,11 @@ void CameraImageResponse::dump_to(std::string &out) const {
   out.append("  done: ");
   out.append(YESNO(this->done));
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 void CameraImageRequest::dump_to(std::string &out) const {
@@ -2263,6 +2292,11 @@ void ClimateCommandRequest::dump_to(std::string &out) const {
   snprintf(buffer, sizeof(buffer), "%g", this->target_humidity);
   out.append(buffer);
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -2367,6 +2401,11 @@ void NumberCommandRequest::dump_to(std::string &out) const {
   snprintf(buffer, sizeof(buffer), "%g", this->state);
   out.append(buffer);
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -2448,6 +2487,11 @@ void SelectCommandRequest::dump_to(std::string &out) const {
   out.append("  state: ");
   out.append("'").append(this->state).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -2563,6 +2607,11 @@ void SirenCommandRequest::dump_to(std::string &out) const {
   snprintf(buffer, sizeof(buffer), "%g", this->volume);
   out.append(buffer);
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -2658,6 +2707,11 @@ void LockCommandRequest::dump_to(std::string &out) const {
   out.append("  code: ");
   out.append("'").append(this->code).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -2711,6 +2765,11 @@ void ButtonCommandRequest::dump_to(std::string &out) const {
   snprintf(buffer, sizeof(buffer), "%" PRIu32, this->key);
   out.append(buffer);
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -2857,6 +2916,11 @@ void MediaPlayerCommandRequest::dump_to(std::string &out) const {
   out.append("  announcement: ");
   out.append(YESNO(this->announcement));
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -3682,6 +3746,11 @@ void AlarmControlPanelCommandRequest::dump_to(std::string &out) const {
   out.append("  code: ");
   out.append("'").append(this->code).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -3775,6 +3844,11 @@ void TextCommandRequest::dump_to(std::string &out) const {
   out.append("  state: ");
   out.append("'").append(this->state).append("'");
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -3872,6 +3946,11 @@ void DateCommandRequest::dump_to(std::string &out) const {
   snprintf(buffer, sizeof(buffer), "%" PRIu32, this->day);
   out.append(buffer);
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -3969,6 +4048,11 @@ void TimeCommandRequest::dump_to(std::string &out) const {
   snprintf(buffer, sizeof(buffer), "%" PRIu32, this->second);
   out.append(buffer);
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -4138,6 +4222,11 @@ void ValveCommandRequest::dump_to(std::string &out) const {
   out.append("  stop: ");
   out.append(YESNO(this->stop));
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -4215,6 +4304,11 @@ void DateTimeCommandRequest::dump_to(std::string &out) const {
   snprintf(buffer, sizeof(buffer), "%" PRIu32, this->epoch_seconds);
   out.append(buffer);
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif
@@ -4323,6 +4417,11 @@ void UpdateCommandRequest::dump_to(std::string &out) const {
   out.append("  command: ");
   out.append(proto_enum_to_string<enums::UpdateCommand>(this->command));
   out.append("\n");
+
+  out.append("  device_id: ");
+  snprintf(buffer, sizeof(buffer), "%" PRIu32, this->device_id);
+  out.append(buffer);
+  out.append("\n");
   out.append("}");
 }
 #endif

esphome/components/api/api_pb2_service.cpp

@@ -195,6 +195,7 @@ void APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       this->on_home_assistant_state_response(msg);
       break;
     }
+#ifdef USE_API_SERVICES
     case 42: {
       ExecuteServiceRequest msg;
       msg.decode(msg_data, msg_size);
@@ -204,6 +205,7 @@ void APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       this->on_execute_service_request(msg);
       break;
     }
+#endif
 #ifdef USE_CAMERA
     case 45: {
       CameraImageRequest msg;
@@ -660,11 +662,13 @@ void APIServerConnection::on_get_time_request(const GetTimeRequest &msg) {
     }
   }
 }
+#ifdef USE_API_SERVICES
 void APIServerConnection::on_execute_service_request(const ExecuteServiceRequest &msg) {
   if (this->check_authenticated_()) {
     this->execute_service(msg);
   }
 }
+#endif
 #ifdef USE_API_NOISE
 void APIServerConnection::on_noise_encryption_set_key_request(const NoiseEncryptionSetKeyRequest &msg) {
   if (this->check_authenticated_()) {

esphome/components/api/api_pb2_service.h

@@ -69,7 +69,9 @@ class APIServerConnectionBase : public ProtoService {
   virtual void on_get_time_request(const GetTimeRequest &value){};
   virtual void on_get_time_response(const GetTimeResponse &value){};
 
+#ifdef USE_API_SERVICES
   virtual void on_execute_service_request(const ExecuteServiceRequest &value){};
+#endif
 
 #ifdef USE_CAMERA
   virtual void on_camera_image_request(const CameraImageRequest &value){};
@@ -216,7 +218,9 @@ class APIServerConnection : public APIServerConnectionBase {
   virtual void subscribe_homeassistant_services(const SubscribeHomeassistantServicesRequest &msg) = 0;
   virtual void subscribe_home_assistant_states(const SubscribeHomeAssistantStatesRequest &msg) = 0;
   virtual GetTimeResponse get_time(const GetTimeRequest &msg) = 0;
+#ifdef USE_API_SERVICES
   virtual void execute_service(const ExecuteServiceRequest &msg) = 0;
+#endif
 #ifdef USE_API_NOISE
   virtual NoiseEncryptionSetKeyResponse noise_encryption_set_key(const NoiseEncryptionSetKeyRequest &msg) = 0;
 #endif
@@ -333,7 +337,9 @@ class APIServerConnection : public APIServerConnectionBase {
   void on_subscribe_homeassistant_services_request(const SubscribeHomeassistantServicesRequest &msg) override;
   void on_subscribe_home_assistant_states_request(const SubscribeHomeAssistantStatesRequest &msg) override;
   void on_get_time_request(const GetTimeRequest &msg) override;
+#ifdef USE_API_SERVICES
   void on_execute_service_request(const ExecuteServiceRequest &msg) override;
+#endif
 #ifdef USE_API_NOISE
   void on_noise_encryption_set_key_request(const NoiseEncryptionSetKeyRequest &msg) override;
 #endif

esphome/components/api/api_pb2_size.h

@@ -141,9 +141,9 @@ class ProtoSize {
   /**
    * @brief Calculates and adds the size of an int32 field to the total message size
    */
-  static inline void add_int32_field(uint32_t &total_size, uint32_t field_id_size, int32_t value, bool force = false) {
+  static inline void add_int32_field(uint32_t &total_size, uint32_t field_id_size, int32_t value) {
-    // Skip calculation if value is zero and not forced
+    // Skip calculation if value is zero
-    if (value == 0 && !force) {
+    if (value == 0) {
       return;  // No need to update total_size
     }
 
@@ -157,13 +157,26 @@ class ProtoSize {
     }
   }
 
+  /**
+   * @brief Calculates and adds the size of an int32 field to the total message size (repeated field version)
+   */
+  static inline void add_int32_field_repeated(uint32_t &total_size, uint32_t field_id_size, int32_t value) {
+    // Always calculate size for repeated fields
+    if (value < 0) {
+      // Negative values are encoded as 10-byte varints in protobuf
+      total_size += field_id_size + 10;
+    } else {
+      // For non-negative values, use the standard varint size
+      total_size += field_id_size + varint(static_cast<uint32_t>(value));
+    }
+  }
+
   /**
    * @brief Calculates and adds the size of a uint32 field to the total message size
    */
-  static inline void add_uint32_field(uint32_t &total_size, uint32_t field_id_size, uint32_t value,
+  static inline void add_uint32_field(uint32_t &total_size, uint32_t field_id_size, uint32_t value) {
-                                      bool force = false) {
+    // Skip calculation if value is zero
-    // Skip calculation if value is zero and not forced
+    if (value == 0) {
-    if (value == 0 && !force) {
       return;  // No need to update total_size
     }
 
@@ -171,12 +184,20 @@ class ProtoSize {
     total_size += field_id_size + varint(value);
   }
 
+  /**
+   * @brief Calculates and adds the size of a uint32 field to the total message size (repeated field version)
+   */
+  static inline void add_uint32_field_repeated(uint32_t &total_size, uint32_t field_id_size, uint32_t value) {
+    // Always calculate size for repeated fields
+    total_size += field_id_size + varint(value);
+  }
+
   /**
    * @brief Calculates and adds the size of a boolean field to the total message size
    */
-  static inline void add_bool_field(uint32_t &total_size, uint32_t field_id_size, bool value, bool force = false) {
+  static inline void add_bool_field(uint32_t &total_size, uint32_t field_id_size, bool value) {
-    // Skip calculation if value is false and not forced
+    // Skip calculation if value is false
-    if (!value && !force) {
+    if (!value) {
       return;  // No need to update total_size
     }
 
@@ -184,6 +205,15 @@ class ProtoSize {
     total_size += field_id_size + 1;
   }
 
+  /**
+   * @brief Calculates and adds the size of a boolean field to the total message size (repeated field version)
+   */
+  static inline void add_bool_field_repeated(uint32_t &total_size, uint32_t field_id_size, bool value) {
+    // Always calculate size for repeated fields
+    // Boolean fields always use 1 byte
+    total_size += field_id_size + 1;
+  }
+
   /**
    * @brief Calculates and adds the size of a fixed field to the total message size
    *
@@ -193,10 +223,9 @@ class ProtoSize {
    * @param is_nonzero Whether the value is non-zero
    */
   template<uint32_t NumBytes>
-  static inline void add_fixed_field(uint32_t &total_size, uint32_t field_id_size, bool is_nonzero,
+  static inline void add_fixed_field(uint32_t &total_size, uint32_t field_id_size, bool is_nonzero) {
-                                     bool force = false) {
+    // Skip calculation if value is zero
-    // Skip calculation if value is zero and not forced
+    if (!is_nonzero) {
-    if (!is_nonzero && !force) {
       return;  // No need to update total_size
     }
 
@@ -209,9 +238,9 @@ class ProtoSize {
    *
    * Enum fields are encoded as uint32 varints.
    */
-  static inline void add_enum_field(uint32_t &total_size, uint32_t field_id_size, uint32_t value, bool force = false) {
+  static inline void add_enum_field(uint32_t &total_size, uint32_t field_id_size, uint32_t value) {
-    // Skip calculation if value is zero and not forced
+    // Skip calculation if value is zero
-    if (value == 0 && !force) {
+    if (value == 0) {
       return;  // No need to update total_size
     }
 
@@ -219,14 +248,25 @@ class ProtoSize {
     total_size += field_id_size + varint(value);
   }
 
+  /**
+   * @brief Calculates and adds the size of an enum field to the total message size (repeated field version)
+   *
+   * Enum fields are encoded as uint32 varints.
+   */
+  static inline void add_enum_field_repeated(uint32_t &total_size, uint32_t field_id_size, uint32_t value) {
+    // Always calculate size for repeated fields
+    // Enums are encoded as uint32
+    total_size += field_id_size + varint(value);
+  }
+
   /**
    * @brief Calculates and adds the size of a sint32 field to the total message size
    *
    * Sint32 fields use ZigZag encoding, which is more efficient for negative values.
    */
-  static inline void add_sint32_field(uint32_t &total_size, uint32_t field_id_size, int32_t value, bool force = false) {
+  static inline void add_sint32_field(uint32_t &total_size, uint32_t field_id_size, int32_t value) {
-    // Skip calculation if value is zero and not forced
+    // Skip calculation if value is zero
-    if (value == 0 && !force) {
+    if (value == 0) {
       return;  // No need to update total_size
     }
 
@@ -235,12 +275,24 @@ class ProtoSize {
     total_size += field_id_size + varint(zigzag);
   }
 
+  /**
+   * @brief Calculates and adds the size of a sint32 field to the total message size (repeated field version)
+   *
+   * Sint32 fields use ZigZag encoding, which is more efficient for negative values.
+   */
+  static inline void add_sint32_field_repeated(uint32_t &total_size, uint32_t field_id_size, int32_t value) {
+    // Always calculate size for repeated fields
+    // ZigZag encoding for sint32: (n << 1) ^ (n >> 31)
+    uint32_t zigzag = (static_cast<uint32_t>(value) << 1) ^ (static_cast<uint32_t>(value >> 31));
+    total_size += field_id_size + varint(zigzag);
+  }
+
   /**
    * @brief Calculates and adds the size of an int64 field to the total message size
    */
-  static inline void add_int64_field(uint32_t &total_size, uint32_t field_id_size, int64_t value, bool force = false) {
+  static inline void add_int64_field(uint32_t &total_size, uint32_t field_id_size, int64_t value) {
-    // Skip calculation if value is zero and not forced
+    // Skip calculation if value is zero
-    if (value == 0 && !force) {
+    if (value == 0) {
       return;  // No need to update total_size
     }
 
@@ -248,13 +300,20 @@ class ProtoSize {
     total_size += field_id_size + varint(value);
   }
 
+  /**
+   * @brief Calculates and adds the size of an int64 field to the total message size (repeated field version)
+   */
+  static inline void add_int64_field_repeated(uint32_t &total_size, uint32_t field_id_size, int64_t value) {
+    // Always calculate size for repeated fields
+    total_size += field_id_size + varint(value);
+  }
+
   /**
    * @brief Calculates and adds the size of a uint64 field to the total message size
    */
-  static inline void add_uint64_field(uint32_t &total_size, uint32_t field_id_size, uint64_t value,
+  static inline void add_uint64_field(uint32_t &total_size, uint32_t field_id_size, uint64_t value) {
-                                      bool force = false) {
+    // Skip calculation if value is zero
-    // Skip calculation if value is zero and not forced
+    if (value == 0) {
-    if (value == 0 && !force) {
       return;  // No need to update total_size
     }
 
@@ -262,14 +321,22 @@ class ProtoSize {
     total_size += field_id_size + varint(value);
   }
 
+  /**
+   * @brief Calculates and adds the size of a uint64 field to the total message size (repeated field version)
+   */
+  static inline void add_uint64_field_repeated(uint32_t &total_size, uint32_t field_id_size, uint64_t value) {
+    // Always calculate size for repeated fields
+    total_size += field_id_size + varint(value);
+  }
+
   /**
    * @brief Calculates and adds the size of a sint64 field to the total message size
    *
    * Sint64 fields use ZigZag encoding, which is more efficient for negative values.
    */
-  static inline void add_sint64_field(uint32_t &total_size, uint32_t field_id_size, int64_t value, bool force = false) {
+  static inline void add_sint64_field(uint32_t &total_size, uint32_t field_id_size, int64_t value) {
-    // Skip calculation if value is zero and not forced
+    // Skip calculation if value is zero
-    if (value == 0 && !force) {
+    if (value == 0) {
       return;  // No need to update total_size
     }
 
@@ -278,13 +345,24 @@ class ProtoSize {
     total_size += field_id_size + varint(zigzag);
   }
 
+  /**
+   * @brief Calculates and adds the size of a sint64 field to the total message size (repeated field version)
+   *
+   * Sint64 fields use ZigZag encoding, which is more efficient for negative values.
+   */
+  static inline void add_sint64_field_repeated(uint32_t &total_size, uint32_t field_id_size, int64_t value) {
+    // Always calculate size for repeated fields
+    // ZigZag encoding for sint64: (n << 1) ^ (n >> 63)
+    uint64_t zigzag = (static_cast<uint64_t>(value) << 1) ^ (static_cast<uint64_t>(value >> 63));
+    total_size += field_id_size + varint(zigzag);
+  }
+
   /**
    * @brief Calculates and adds the size of a string/bytes field to the total message size
    */
-  static inline void add_string_field(uint32_t &total_size, uint32_t field_id_size, const std::string &str,
+  static inline void add_string_field(uint32_t &total_size, uint32_t field_id_size, const std::string &str) {
-                                      bool force = false) {
+    // Skip calculation if string is empty
-    // Skip calculation if string is empty and not forced
+    if (str.empty()) {
-    if (str.empty() && !force) {
       return;  // No need to update total_size
     }
 
@@ -293,18 +371,26 @@ class ProtoSize {
     total_size += field_id_size + varint(str_size) + str_size;
   }
 
+  /**
+   * @brief Calculates and adds the size of a string/bytes field to the total message size (repeated field version)
+   */
+  static inline void add_string_field_repeated(uint32_t &total_size, uint32_t field_id_size, const std::string &str) {
+    // Always calculate size for repeated fields
+    const uint32_t str_size = static_cast<uint32_t>(str.size());
+    total_size += field_id_size + varint(str_size) + str_size;
+  }
+
   /**
    * @brief Calculates and adds the size of a nested message field to the total message size
    *
    * This helper function directly updates the total_size reference if the nested size
-   * is greater than zero or force is true.
+   * is greater than zero.
    *
    * @param nested_size The pre-calculated size of the nested message
    */
-  static inline void add_message_field(uint32_t &total_size, uint32_t field_id_size, uint32_t nested_size,
+  static inline void add_message_field(uint32_t &total_size, uint32_t field_id_size, uint32_t nested_size) {
-                                       bool force = false) {
+    // Skip calculation if nested message is empty
-    // Skip calculation if nested message is empty and not forced
+    if (nested_size == 0) {
-    if (nested_size == 0 && !force) {
       return;  // No need to update total_size
     }
 
@@ -313,6 +399,17 @@ class ProtoSize {
     total_size += field_id_size + varint(nested_size) + nested_size;
   }
 
+  /**
+   * @brief Calculates and adds the size of a nested message field to the total message size (repeated field version)
+   *
+   * @param nested_size The pre-calculated size of the nested message
+   */
+  static inline void add_message_field_repeated(uint32_t &total_size, uint32_t field_id_size, uint32_t nested_size) {
+    // Always calculate size for repeated fields
+    // Field ID + length varint + nested message content
+    total_size += field_id_size + varint(nested_size) + nested_size;
+  }
+
   /**
    * @brief Calculates and adds the size of a nested message field to the total message size
    *
@@ -322,13 +419,26 @@ class ProtoSize {
    *
    * @param message The nested message object
    */
-  static inline void add_message_object(uint32_t &total_size, uint32_t field_id_size, const ProtoMessage &message,
+  static inline void add_message_object(uint32_t &total_size, uint32_t field_id_size, const ProtoMessage &message) {
-                                        bool force = false) {
     uint32_t nested_size = 0;
     message.calculate_size(nested_size);
 
     // Use the base implementation with the calculated nested_size
-    add_message_field(total_size, field_id_size, nested_size, force);
+    add_message_field(total_size, field_id_size, nested_size);
+  }
+
+  /**
+   * @brief Calculates and adds the size of a nested message field to the total message size (repeated field version)
+   *
+   * @param message The nested message object
+   */
+  static inline void add_message_object_repeated(uint32_t &total_size, uint32_t field_id_size,
+                                                 const ProtoMessage &message) {
+    uint32_t nested_size = 0;
+    message.calculate_size(nested_size);
+
+    // Use the base implementation with the calculated nested_size
+    add_message_field_repeated(total_size, field_id_size, nested_size);
   }
 
   /**
@@ -348,9 +458,9 @@ class ProtoSize {
       return;
     }
 
-    // For repeated fields, always use force=true
+    // Use the repeated field version for all messages
     for (const auto &message : messages) {
-      add_message_object(total_size, field_id_size, message, true);
+      add_message_object_repeated(total_size, field_id_size, message);
     }
   }
 };

esphome/components/api/api_server.cpp

@@ -24,14 +24,6 @@ static const char *const TAG = "api";
 // APIServer
 APIServer *global_api_server = nullptr;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
 
-#ifndef USE_API_YAML_SERVICES
-// Global empty vector to avoid guard variables (saves 8 bytes)
-// This is initialized at program startup before any threads
-static const std::vector<UserServiceDescriptor *> empty_user_services{};
-
-const std::vector<UserServiceDescriptor *> &get_empty_user_services_instance() { return empty_user_services; }
-#endif
-
 APIServer::APIServer() {
   global_api_server = this;
   // Pre-allocate shared write buffer
@@ -475,7 +467,8 @@ void APIServer::on_shutdown() {
     if (!c->send_message(DisconnectRequest())) {
       // If we can't send the disconnect request directly (tx_buffer full),
       // schedule it at the front of the batch so it will be sent with priority
-      c->schedule_message_front_(nullptr, &APIConnection::try_send_disconnect_request, DisconnectRequest::MESSAGE_TYPE);
+      c->schedule_message_front_(nullptr, &APIConnection::try_send_disconnect_request, DisconnectRequest::MESSAGE_TYPE,
+                                 DisconnectRequest::ESTIMATED_SIZE);
     }
   }
 }

esphome/components/api/api_server.h

@@ -12,7 +12,9 @@
 #include "esphome/core/log.h"
 #include "list_entities.h"
 #include "subscribe_state.h"
+#ifdef USE_API_SERVICES
 #include "user_services.h"
+#endif
 
 #include <vector>
 
@@ -25,11 +27,6 @@ struct SavedNoisePsk {
 } PACKED;  // NOLINT
 #endif
 
-#ifndef USE_API_YAML_SERVICES
-// Forward declaration of helper function
-const std::vector<UserServiceDescriptor *> &get_empty_user_services_instance();
-#endif
-
 class APIServer : public Component, public Controller {
  public:
   APIServer();
@@ -112,18 +109,9 @@ class APIServer : public Component, public Controller {
   void on_media_player_update(media_player::MediaPlayer *obj) override;
 #endif
   void send_homeassistant_service_call(const HomeassistantServiceResponse &call);
-  void register_user_service(UserServiceDescriptor *descriptor) {
+#ifdef USE_API_SERVICES
-#ifdef USE_API_YAML_SERVICES
+  void register_user_service(UserServiceDescriptor *descriptor) { this->user_services_.push_back(descriptor); }
-    // Vector is pre-allocated when services are defined in YAML
-    this->user_services_.push_back(descriptor);
-#else
-    // Lazy allocate vector on first use for CustomAPIDevice
-    if (!this->user_services_) {
-      this->user_services_ = std::make_unique<std::vector<UserServiceDescriptor *>>();
-    }
-    this->user_services_->push_back(descriptor);
 #endif
-  }
 #ifdef USE_HOMEASSISTANT_TIME
   void request_time();
 #endif
@@ -152,17 +140,9 @@ class APIServer : public Component, public Controller {
   void get_home_assistant_state(std::string entity_id, optional<std::string> attribute,
                                 std::function<void(std::string)> f);
   const std::vector<HomeAssistantStateSubscription> &get_state_subs() const;
-  const std::vector<UserServiceDescriptor *> &get_user_services() const {
+#ifdef USE_API_SERVICES
-#ifdef USE_API_YAML_SERVICES
+  const std::vector<UserServiceDescriptor *> &get_user_services() const { return this->user_services_; }
-    return this->user_services_;
-#else
-    if (this->user_services_) {
-      return *this->user_services_;
-    }
-    // Return reference to global empty instance (no guard needed)
-    return get_empty_user_services_instance();
 #endif
-  }
 
 #ifdef USE_API_CLIENT_CONNECTED_TRIGGER
   Trigger<std::string, std::string> *get_client_connected_trigger() const { return this->client_connected_trigger_; }
@@ -194,14 +174,8 @@ class APIServer : public Component, public Controller {
 #endif
   std::vector<uint8_t> shared_write_buffer_;  // Shared proto write buffer for all connections
   std::vector<HomeAssistantStateSubscription> state_subs_;
-#ifdef USE_API_YAML_SERVICES
+#ifdef USE_API_SERVICES
-  // When services are defined in YAML, we know at compile time that services will be registered
   std::vector<UserServiceDescriptor *> user_services_;
-#else
-  // Services can still be registered at runtime by CustomAPIDevice components even when not
-  // defined in YAML. Using unique_ptr allows lazy allocation, saving 12 bytes in the common
-  // case where no services (YAML or custom) are used.
-  std::unique_ptr<std::vector<UserServiceDescriptor *>> user_services_;
 #endif
 
   // Group smaller types together

esphome/components/api/custom_api_device.h

@@ -3,10 +3,13 @@
 #include <map>
 #include "api_server.h"
 #ifdef USE_API
+#ifdef USE_API_SERVICES
 #include "user_services.h"
+#endif
 namespace esphome {
 namespace api {
 
+#ifdef USE_API_SERVICES
 template<typename T, typename... Ts> class CustomAPIDeviceService : public UserServiceBase<Ts...> {
  public:
   CustomAPIDeviceService(const std::string &name, const std::array<std::string, sizeof...(Ts)> &arg_names, T *obj,
@@ -19,6 +22,7 @@ template<typename T, typename... Ts> class CustomAPIDeviceService : public UserS
   T *obj_;
   void (T::*callback_)(Ts...);
 };
+#endif  // USE_API_SERVICES
 
 class CustomAPIDevice {
  public:
@@ -46,12 +50,14 @@ class CustomAPIDevice {
    * @param name The name of the service to register.
    * @param arg_names The name of the arguments for the service, must match the arguments of the function.
    */
+#ifdef USE_API_SERVICES
   template<typename T, typename... Ts>
   void register_service(void (T::*callback)(Ts...), const std::string &name,
                         const std::array<std::string, sizeof...(Ts)> &arg_names) {
     auto *service = new CustomAPIDeviceService<T, Ts...>(name, arg_names, (T *) this, callback);  // NOLINT
     global_api_server->register_user_service(service);
   }
+#endif
 
   /** Register a custom native API service that will show up in Home Assistant.
    *
@@ -71,10 +77,12 @@ class CustomAPIDevice {
    * @param callback The member function to call when the service is triggered.
    * @param name The name of the arguments for the service, must match the arguments of the function.
    */
+#ifdef USE_API_SERVICES
   template<typename T> void register_service(void (T::*callback)(), const std::string &name) {
     auto *service = new CustomAPIDeviceService<T>(name, {}, (T *) this, callback);  // NOLINT
     global_api_server->register_user_service(service);
   }
+#endif
 
   /** Subscribe to the state (or attribute state) of an entity from Home Assistant.
    *

esphome/components/api/list_entities.cpp

@@ -83,10 +83,12 @@ bool ListEntitiesIterator::on_end() { return this->client_->send_list_info_done(
 
 ListEntitiesIterator::ListEntitiesIterator(APIConnection *client) : client_(client) {}
 
+#ifdef USE_API_SERVICES
 bool ListEntitiesIterator::on_service(UserServiceDescriptor *service) {
   auto resp = service->encode_list_service_response();
   return this->client_->send_message(resp);
 }
+#endif
 
 }  // namespace api
 }  // namespace esphome

esphome/components/api/list_entities.h

@@ -14,7 +14,7 @@ class APIConnection;
 #define LIST_ENTITIES_HANDLER(entity_type, EntityClass, ResponseType) \
   bool ListEntitiesIterator::on_##entity_type(EntityClass *entity) { /* NOLINT(bugprone-macro-parentheses) */ \
     return this->client_->schedule_message_(entity, &APIConnection::try_send_##entity_type##_info, \
-                                            ResponseType::MESSAGE_TYPE); \
+                                            ResponseType::MESSAGE_TYPE, ResponseType::ESTIMATED_SIZE); \
   }
 
 class ListEntitiesIterator : public ComponentIterator {
@@ -44,7 +44,9 @@ class ListEntitiesIterator : public ComponentIterator {
 #ifdef USE_TEXT_SENSOR
   bool on_text_sensor(text_sensor::TextSensor *entity) override;
 #endif
+#ifdef USE_API_SERVICES
   bool on_service(UserServiceDescriptor *service) override;
+#endif
 #ifdef USE_CAMERA
   bool on_camera(camera::Camera *entity) override;
 #endif

esphome/components/api/proto.h

@@ -59,7 +59,6 @@ class ProtoVarInt {
   uint32_t as_uint32() const { return this->value_; }
   uint64_t as_uint64() const { return this->value_; }
   bool as_bool() const { return this->value_; }
-  template<typename T> T as_enum() const { return static_cast<T>(this->as_uint32()); }
   int32_t as_int32() const {
     // Not ZigZag encoded
     return static_cast<int32_t>(this->as_int64());
@@ -133,15 +132,24 @@ class ProtoVarInt {
   uint64_t value_;
 };
 
+// Forward declaration for decode_to_message and encode_to_writer
+class ProtoMessage;
+
 class ProtoLengthDelimited {
  public:
   explicit ProtoLengthDelimited(const uint8_t *value, size_t length) : value_(value), length_(length) {}
   std::string as_string() const { return std::string(reinterpret_cast<const char *>(this->value_), this->length_); }
-  template<class C> C as_message() const {
+
-    auto msg = C();
+  /**
-    msg.decode(this->value_, this->length_);
+   * Decode the length-delimited data into an existing ProtoMessage instance.
-    return msg;
+   *
-  }
+   * This method allows decoding without templates, enabling use in contexts
+   * where the message type is not known at compile time. The ProtoMessage's
+   * decode() method will be called with the raw data and length.
+   *
+   * @param msg The ProtoMessage instance to decode into
+   */
+  void decode_to_message(ProtoMessage &msg) const;
 
  protected:
   const uint8_t *const value_;
@@ -263,9 +271,6 @@ class ProtoWriteBuffer {
     this->write((value >> 48) & 0xFF);
     this->write((value >> 56) & 0xFF);
   }
-  template<typename T> void encode_enum(uint32_t field_id, T value, bool force = false) {
-    this->encode_uint32(field_id, static_cast<uint32_t>(value), force);
-  }
   void encode_float(uint32_t field_id, float value, bool force = false) {
     if (value == 0.0f && !force)
       return;
@@ -306,18 +311,7 @@ class ProtoWriteBuffer {
     }
     this->encode_uint64(field_id, uvalue, force);
   }
-  template<class C> void encode_message(uint32_t field_id, const C &value, bool force = false) {
+  void encode_message(uint32_t field_id, const ProtoMessage &value, bool force = false);
-    this->encode_field_raw(field_id, 2);  // type 2: Length-delimited message
-    size_t begin = this->buffer_->size();
-
-    value.encode(*this);
-
-    const uint32_t nested_length = this->buffer_->size() - begin;
-    // add size varint
-    std::vector<uint8_t> var;
-    ProtoVarInt(nested_length).encode(var);
-    this->buffer_->insert(this->buffer_->begin() + begin, var.begin(), var.end());
-  }
   std::vector<uint8_t> *get_buffer() const { return buffer_; }
 
  protected:
@@ -345,6 +339,25 @@ class ProtoMessage {
   virtual bool decode_64bit(uint32_t field_id, Proto64Bit value) { return false; }
 };
 
+// Implementation of encode_message - must be after ProtoMessage is defined
+inline void ProtoWriteBuffer::encode_message(uint32_t field_id, const ProtoMessage &value, bool force) {
+  this->encode_field_raw(field_id, 2);  // type 2: Length-delimited message
+  size_t begin = this->buffer_->size();
+
+  value.encode(*this);
+
+  const uint32_t nested_length = this->buffer_->size() - begin;
+  // add size varint
+  std::vector<uint8_t> var;
+  ProtoVarInt(nested_length).encode(var);
+  this->buffer_->insert(this->buffer_->begin() + begin, var.begin(), var.end());
+}
+
+// Implementation of decode_to_message - must be after ProtoMessage is defined
+inline void ProtoLengthDelimited::decode_to_message(ProtoMessage &msg) const {
+  msg.decode(this->value_, this->length_);
+}
+
 template<typename T> const char *proto_enum_to_string(T value);
 
 class ProtoService {
@@ -363,11 +376,11 @@ class ProtoService {
    * @return A ProtoWriteBuffer object with the reserved size.
    */
   virtual ProtoWriteBuffer create_buffer(uint32_t reserve_size) = 0;
-  virtual bool send_buffer(ProtoWriteBuffer buffer, uint16_t message_type) = 0;
+  virtual bool send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) = 0;
   virtual void read_message(uint32_t msg_size, uint32_t msg_type, uint8_t *msg_data) = 0;
 
   // Optimized method that pre-allocates buffer based on message size
-  bool send_message_(const ProtoMessage &msg, uint16_t message_type) {
+  bool send_message_(const ProtoMessage &msg, uint8_t message_type) {
     uint32_t msg_size = 0;
     msg.calculate_size(msg_size);
 

esphome/components/api/user_services.h

@@ -7,6 +7,7 @@
 #include "esphome/core/automation.h"
 #include "api_pb2.h"
 
+#ifdef USE_API_SERVICES
 namespace esphome {
 namespace api {
 
@@ -73,3 +74,4 @@ template<typename... Ts> class UserServiceTrigger : public UserServiceBase<Ts...
 
 }  // namespace api
 }  // namespace esphome
+#endif  // USE_API_SERVICES

esphome/components/debug/debug_esp32.cpp

@@ -53,6 +53,7 @@ void DebugComponent::on_shutdown() {
   auto pref = global_preferences->make_preference(REBOOT_MAX_LEN, fnv1_hash(REBOOT_KEY + App.get_name()));
   if (component != nullptr) {
     strncpy(buffer, component->get_component_source(), REBOOT_MAX_LEN - 1);
+    buffer[REBOOT_MAX_LEN - 1] = '\0';
   }
   ESP_LOGD(TAG, "Storing reboot source: %s", buffer);
   pref.save(&buffer);
@@ -68,6 +69,7 @@ std::string DebugComponent::get_reset_reason_() {
       auto pref = global_preferences->make_preference(REBOOT_MAX_LEN, fnv1_hash(REBOOT_KEY + App.get_name()));
       char buffer[REBOOT_MAX_LEN]{};
       if (pref.load(&buffer)) {
+        buffer[REBOOT_MAX_LEN - 1] = '\0';
         reset_reason = "Reboot request from " + std::string(buffer);
       }
     }

esphome/components/deep_sleep/__init__.py

@@ -1,6 +1,6 @@
 from esphome import automation, pins
 import esphome.codegen as cg
-from esphome.components import time
+from esphome.components import esp32, time
 from esphome.components.esp32 import get_esp32_variant
 from esphome.components.esp32.const import (
     VARIANT_ESP32,
@@ -116,12 +116,20 @@ def validate_pin_number(value):
     return value
 
 
-def validate_config(config):
+def _validate_ex1_wakeup_mode(value):
-    if get_esp32_variant() == VARIANT_ESP32C3 and CONF_ESP32_EXT1_WAKEUP in config:
+    if value == "ALL_LOW":
-        raise cv.Invalid("ESP32-C3 does not support wakeup from touch.")
+        esp32.only_on_variant(supported=[VARIANT_ESP32], msg_prefix="ALL_LOW")(value)
-    if get_esp32_variant() == VARIANT_ESP32C3 and CONF_TOUCH_WAKEUP in config:
+    if value == "ANY_LOW":
-        raise cv.Invalid("ESP32-C3 does not support wakeup from ext1")
+        esp32.only_on_variant(
-    return config
+            supported=[
+                VARIANT_ESP32S2,
+                VARIANT_ESP32S3,
+                VARIANT_ESP32C6,
+                VARIANT_ESP32H2,
+            ],
+            msg_prefix="ANY_LOW",
+        )(value)
+    return value
 
 
 deep_sleep_ns = cg.esphome_ns.namespace("deep_sleep")
@@ -148,6 +156,7 @@ WAKEUP_PIN_MODES = {
 esp_sleep_ext1_wakeup_mode_t = cg.global_ns.enum("esp_sleep_ext1_wakeup_mode_t")
 Ext1Wakeup = deep_sleep_ns.struct("Ext1Wakeup")
 EXT1_WAKEUP_MODES = {
+    "ANY_LOW": esp_sleep_ext1_wakeup_mode_t.ESP_EXT1_WAKEUP_ANY_LOW,
     "ALL_LOW": esp_sleep_ext1_wakeup_mode_t.ESP_EXT1_WAKEUP_ALL_LOW,
     "ANY_HIGH": esp_sleep_ext1_wakeup_mode_t.ESP_EXT1_WAKEUP_ANY_HIGH,
 }
@@ -187,16 +196,28 @@ CONFIG_SCHEMA = cv.All(
             ),
             cv.Optional(CONF_ESP32_EXT1_WAKEUP): cv.All(
                 cv.only_on_esp32,
+                esp32.only_on_variant(
+                    unsupported=[VARIANT_ESP32C3], msg_prefix="Wakeup from ext1"
+                ),
                 cv.Schema(
                     {
                         cv.Required(CONF_PINS): cv.ensure_list(
                             pins.internal_gpio_input_pin_schema, validate_pin_number
                         ),
-                        cv.Required(CONF_MODE): cv.enum(EXT1_WAKEUP_MODES, upper=True),
+                        cv.Required(CONF_MODE): cv.All(
+                            cv.enum(EXT1_WAKEUP_MODES, upper=True),
+                            _validate_ex1_wakeup_mode,
+                        ),
                     }
                 ),
             ),
-            cv.Optional(CONF_TOUCH_WAKEUP): cv.All(cv.only_on_esp32, cv.boolean),
+            cv.Optional(CONF_TOUCH_WAKEUP): cv.All(
+                cv.only_on_esp32,
+                esp32.only_on_variant(
+                    unsupported=[VARIANT_ESP32C3], msg_prefix="Wakeup from touch"
+                ),
+                cv.boolean,
+            ),
         }
     ).extend(cv.COMPONENT_SCHEMA),
     cv.only_on([PLATFORM_ESP32, PLATFORM_ESP8266]),

esphome/components/esp32/__init__.py

@@ -189,7 +189,7 @@ def get_download_types(storage_json):
     ]
 
 
-def only_on_variant(*, supported=None, unsupported=None):
+def only_on_variant(*, supported=None, unsupported=None, msg_prefix="This feature"):
     """Config validator for features only available on some ESP32 variants."""
     if supported is not None and not isinstance(supported, list):
         supported = [supported]
@@ -200,11 +200,11 @@ def only_on_variant(*, supported=None, unsupported=None):
         variant = get_esp32_variant()
         if supported is not None and variant not in supported:
             raise cv.Invalid(
-                f"This feature is only available on {', '.join(supported)}"
+                f"{msg_prefix} is only available on {', '.join(supported)}"
             )
         if unsupported is not None and variant in unsupported:
             raise cv.Invalid(
-                f"This feature is not available on {', '.join(unsupported)}"
+                f"{msg_prefix} is not available on {', '.join(unsupported)}"
             )
         return obj
 
@@ -707,6 +707,7 @@ async def to_code(config):
     cg.add_define("ESPHOME_VARIANT", VARIANT_FRIENDLY[config[CONF_VARIANT]])
 
     cg.add_platformio_option("lib_ldf_mode", "off")
+    cg.add_platformio_option("lib_compat_mode", "strict")
 
     framework_ver: cv.Version = CORE.data[KEY_CORE][KEY_FRAMEWORK_VERSION]
 

esphome/components/esp32/gpio.cpp

@@ -114,7 +114,6 @@ void ESP32InternalGPIOPin::setup() {
   if (flags_ & gpio::FLAG_OUTPUT) {
     gpio_set_drive_capability(pin_, drive_strength_);
   }
-  ESP_LOGD(TAG, "rtc: %d", SOC_GPIO_SUPPORT_RTC_INDEPENDENT);
 }
 
 void ESP32InternalGPIOPin::pin_mode(gpio::Flags flags) {

esphome/components/esp32_camera/__init__.py

@@ -308,7 +308,7 @@ async def to_code(config):
     cg.add(var.set_frame_buffer_count(config[CONF_FRAME_BUFFER_COUNT]))
     cg.add(var.set_frame_size(config[CONF_RESOLUTION]))
 
-    cg.add_define("USE_ESP32_CAMERA")
+    cg.add_define("USE_CAMERA")
 
     if CORE.using_esp_idf:
         add_idf_component(name="espressif/esp32-camera", ref="2.0.15")

esphome/components/esp32_touch/esp32_touch_v1.cpp

@@ -109,6 +109,7 @@ void ESP32TouchComponent::loop() {
 
       // Only publish if state changed - this filters out repeated events
       if (new_state != child->last_state_) {
+        child->initial_state_published_ = true;
         child->last_state_ = new_state;
         child->publish_state(new_state);
         // Original ESP32: ISR only fires when touched, release is detected by timeout
@@ -175,6 +176,9 @@ void ESP32TouchComponent::on_shutdown() {
 void IRAM_ATTR ESP32TouchComponent::touch_isr_handler(void *arg) {
   ESP32TouchComponent *component = static_cast<ESP32TouchComponent *>(arg);
 
+  uint32_t mask = 0;
+  touch_ll_read_trigger_status_mask(&mask);
+  touch_ll_clear_trigger_status_mask();
   touch_pad_clear_status();
 
   // INTERRUPT BEHAVIOR: On ESP32 v1 hardware, the interrupt fires when ANY configured
@@ -184,6 +188,11 @@ void IRAM_ATTR ESP32TouchComponent::touch_isr_handler(void *arg) {
   // as any pad remains touched. This allows us to detect both new touches and
   // continued touches, but releases must be detected by timeout in the main loop.
 
+  // IMPORTANT: ESP32 v1 touch detection logic - INVERTED compared to v2!
+  // ESP32 v1: Touch is detected when capacitance INCREASES, causing the measured value to DECREASE
+  // Therefore: touched = (value < threshold)
+  // This is opposite to ESP32-S2/S3 v2 where touched = (value > threshold)
+
   // Process all configured pads to check their current state
   // Note: ESP32 v1 doesn't tell us which specific pad triggered the interrupt,
   // so we must scan all configured pads to find which ones were touched
@@ -201,19 +210,12 @@ void IRAM_ATTR ESP32TouchComponent::touch_isr_handler(void *arg) {
       value = touch_ll_read_raw_data(pad);
     }
 
-    // Skip pads with 0 value - they haven't been measured in this cycle
+    // Skip pads that aren’t in the trigger mask
-    // This is important: not all pads are measured every interrupt cycle,
+    bool is_touched = (mask >> pad) & 1;
-    // only those that the hardware has updated
+    if (!is_touched) {
-    if (value == 0) {
       continue;
     }
 
-    // IMPORTANT: ESP32 v1 touch detection logic - INVERTED compared to v2!
-    // ESP32 v1: Touch is detected when capacitance INCREASES, causing the measured value to DECREASE
-    // Therefore: touched = (value < threshold)
-    // This is opposite to ESP32-S2/S3 v2 where touched = (value > threshold)
-    bool is_touched = value < child->get_threshold();
-
     // Always send the current state - the main loop will filter for changes
     // We send both touched and untouched states because the ISR doesn't
     // track previous state (to keep ISR fast and simple)

esphome/components/esp8266/__init__.py

@@ -180,6 +180,7 @@ async def to_code(config):
     cg.add(esp8266_ns.setup_preferences())
 
     cg.add_platformio_option("lib_ldf_mode", "off")
+    cg.add_platformio_option("lib_compat_mode", "strict")
 
     cg.add_platformio_option("board", config[CONF_BOARD])
     cg.add_build_flag("-DUSE_ESP8266")

esphome/components/ethernet/__init__.py

@@ -342,5 +342,11 @@ async def to_code(config):
 
     cg.add_define("USE_ETHERNET")
 
+    # Disable WiFi when using Ethernet to save memory
+    if CORE.using_esp_idf:
+        add_idf_sdkconfig_option("CONFIG_ESP_WIFI_ENABLED", False)
+        # Also disable WiFi/BT coexistence since WiFi is disabled
+        add_idf_sdkconfig_option("CONFIG_SW_COEXIST_ENABLE", False)
+
     if CORE.using_arduino:
         cg.add_library("WiFi", None)

esphome/components/gl_r01_i2c/gl_r01_i2c.cpp

@@ -0,0 +1,68 @@
+#include "esphome/core/log.h"
+#include "esphome/core/hal.h"
+#include "gl_r01_i2c.h"
+
+namespace esphome {
+namespace gl_r01_i2c {
+
+static const char *const TAG = "gl_r01_i2c";
+
+// Register definitions from datasheet
+static const uint8_t REG_VERSION = 0x00;
+static const uint8_t REG_DISTANCE = 0x02;
+static const uint8_t REG_TRIGGER = 0x10;
+static const uint8_t CMD_TRIGGER = 0xB0;
+static const uint8_t RESTART_CMD1 = 0x5A;
+static const uint8_t RESTART_CMD2 = 0xA5;
+static const uint8_t READ_DELAY = 40;  // minimum milliseconds from datasheet to safely read measurement result
+
+void GLR01I2CComponent::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up GL-R01 I2C...");
+  // Verify sensor presence
+  if (!this->read_byte_16(REG_VERSION, &this->version_)) {
+    ESP_LOGE(TAG, "Failed to communicate with GL-R01 I2C sensor!");
+    this->mark_failed();
+    return;
+  }
+  ESP_LOGD(TAG, "Found GL-R01 I2C with version 0x%04X", this->version_);
+}
+
+void GLR01I2CComponent::dump_config() {
+  ESP_LOGCONFIG(TAG, "GL-R01 I2C:");
+  ESP_LOGCONFIG(TAG, " Firmware Version: 0x%04X", this->version_);
+  LOG_I2C_DEVICE(this);
+  LOG_SENSOR(" ", "Distance", this);
+}
+
+void GLR01I2CComponent::update() {
+  // Trigger a new measurement
+  if (!this->write_byte(REG_TRIGGER, CMD_TRIGGER)) {
+    ESP_LOGE(TAG, "Failed to trigger measurement!");
+    this->status_set_warning();
+    return;
+  }
+
+  // Schedule reading the result after the read delay
+  this->set_timeout(READ_DELAY, [this]() { this->read_distance_(); });
+}
+
+void GLR01I2CComponent::read_distance_() {
+  uint16_t distance = 0;
+  if (!this->read_byte_16(REG_DISTANCE, &distance)) {
+    ESP_LOGE(TAG, "Failed to read distance value!");
+    this->status_set_warning();
+    return;
+  }
+
+  if (distance == 0xFFFF) {
+    ESP_LOGW(TAG, "Invalid measurement received!");
+    this->status_set_warning();
+  } else {
+    ESP_LOGV(TAG, "Distance: %umm", distance);
+    this->publish_state(distance);
+    this->status_clear_warning();
+  }
+}
+
+}  // namespace gl_r01_i2c
+}  // namespace esphome

esphome/components/gl_r01_i2c/gl_r01_i2c.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace gl_r01_i2c {
+
+class GLR01I2CComponent : public sensor::Sensor, public i2c::I2CDevice, public PollingComponent {
+ public:
+  void setup() override;
+  void dump_config() override;
+  void update() override;
+
+ protected:
+  void read_distance_();
+  uint16_t version_{0};
+};
+
+}  // namespace gl_r01_i2c
+}  // namespace esphome

esphome/components/gl_r01_i2c/sensor.py

@@ -0,0 +1,36 @@
+import esphome.codegen as cg
+from esphome.components import i2c, sensor
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_ID,
+    DEVICE_CLASS_DISTANCE,
+    STATE_CLASS_MEASUREMENT,
+    UNIT_MILLIMETER,
+)
+
+CODEOWNERS = ["@pkejval"]
+DEPENDENCIES = ["i2c"]
+
+gl_r01_i2c_ns = cg.esphome_ns.namespace("gl_r01_i2c")
+GLR01I2CComponent = gl_r01_i2c_ns.class_(
+    "GLR01I2CComponent", i2c.I2CDevice, cg.PollingComponent
+)
+
+CONFIG_SCHEMA = (
+    sensor.sensor_schema(
+        GLR01I2CComponent,
+        unit_of_measurement=UNIT_MILLIMETER,
+        accuracy_decimals=0,
+        device_class=DEVICE_CLASS_DISTANCE,
+        state_class=STATE_CLASS_MEASUREMENT,
+    )
+    .extend(cv.polling_component_schema("60s"))
+    .extend(i2c.i2c_device_schema(0x74))
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    await cg.register_component(var, config)
+    await sensor.register_sensor(var, config)
+    await i2c.register_i2c_device(var, config)

esphome/components/host/__init__.py

@@ -45,3 +45,4 @@ async def to_code(config):
     cg.add_define("ESPHOME_BOARD", "host")
     cg.add_platformio_option("platform", "platformio/native")
     cg.add_platformio_option("lib_ldf_mode", "off")
+    cg.add_platformio_option("lib_compat_mode", "strict")

esphome/components/ld2410/ld2410.cpp

@@ -178,13 +178,8 @@ static constexpr uint8_t NO_MAC[] = {0x08, 0x05, 0x04, 0x03, 0x02, 0x01};
 
 static inline int two_byte_to_int(char firstbyte, char secondbyte) { return (int16_t) (secondbyte << 8) + firstbyte; }
 
-static bool validate_header_footer(const uint8_t *header_footer, const uint8_t *buffer) {
+static inline bool validate_header_footer(const uint8_t *header_footer, const uint8_t *buffer) {
-  for (uint8_t i = 0; i < HEADER_FOOTER_SIZE; i++) {
+  return std::memcmp(header_footer, buffer, HEADER_FOOTER_SIZE) == 0;
-    if (header_footer[i] != buffer[i]) {
-      return false;  // Mismatch in header/footer
-    }
-  }
-  return true;  // Valid header/footer
 }
 
 void LD2410Component::dump_config() {
@@ -300,14 +295,12 @@ void LD2410Component::send_command_(uint8_t command, const uint8_t *command_valu
   if (command_value != nullptr) {
     len += command_value_len;
   }
-  uint8_t len_cmd[] = {lowbyte(len), highbyte(len), command, 0x00};
+  // 2 length bytes (low, high) + 2 command bytes (low, high)
+  uint8_t len_cmd[] = {len, 0x00, command, 0x00};
   this->write_array(len_cmd, sizeof(len_cmd));
-
   // command value bytes
   if (command_value != nullptr) {
-    for (uint8_t i = 0; i < command_value_len; i++) {
+    this->write_array(command_value, command_value_len);
-      this->write_byte(command_value[i]);
-    }
   }
   // frame footer bytes
   this->write_array(CMD_FRAME_FOOTER, sizeof(CMD_FRAME_FOOTER));
@@ -401,7 +394,7 @@ void LD2410Component::handle_periodic_data_() {
     /*
       Moving distance range: 18th byte
       Still distance range: 19th byte
-      Moving enery: 20~28th bytes
+      Moving energy: 20~28th bytes
     */
     for (std::vector<sensor::Sensor *>::size_type i = 0; i != this->gate_move_sensors_.size(); i++) {
       sensor::Sensor *s = this->gate_move_sensors_[i];
@@ -480,7 +473,7 @@ bool LD2410Component::handle_ack_data_() {
     ESP_LOGE(TAG, "Invalid status");
     return true;
   }
-  if (ld2410::two_byte_to_int(this->buffer_data_[8], this->buffer_data_[9]) != 0x00) {
+  if (this->buffer_data_[8] || this->buffer_data_[9]) {
     ESP_LOGW(TAG, "Invalid command: %02X, %02X", this->buffer_data_[8], this->buffer_data_[9]);
     return true;
   }
@@ -534,8 +527,8 @@ bool LD2410Component::handle_ack_data_() {
       const auto *light_function_str = find_str(LIGHT_FUNCTIONS_BY_UINT, this->light_function_);
       const auto *out_pin_level_str = find_str(OUT_PIN_LEVELS_BY_UINT, this->out_pin_level_);
       ESP_LOGV(TAG,
-               "Light function is: %s\n"
+               "Light function: %s\n"
-               "Light threshold is: %u\n"
+               "Light threshold: %u\n"
                "Out pin level: %s",
                light_function_str, this->light_threshold_, out_pin_level_str);
 #ifdef USE_SELECT
@@ -600,7 +593,7 @@ bool LD2410Component::handle_ack_data_() {
       break;
 
     case CMD_QUERY: {  // Query parameters response
-      if (this->buffer_data_[10] != 0xAA)
+      if (this->buffer_data_[10] != HEADER)
         return true;  // value head=0xAA
 #ifdef USE_NUMBER
       /*
@@ -656,17 +649,11 @@ void LD2410Component::readline_(int readch) {
   if (this->buffer_pos_ < 4) {
     return;  // Not enough data to process yet
   }
-  if (this->buffer_data_[this->buffer_pos_ - 4] == DATA_FRAME_FOOTER[0] &&
+  if (ld2410::validate_header_footer(DATA_FRAME_FOOTER, &this->buffer_data_[this->buffer_pos_ - 4])) {
-      this->buffer_data_[this->buffer_pos_ - 3] == DATA_FRAME_FOOTER[1] &&
-      this->buffer_data_[this->buffer_pos_ - 2] == DATA_FRAME_FOOTER[2] &&
-      this->buffer_data_[this->buffer_pos_ - 1] == DATA_FRAME_FOOTER[3]) {
     ESP_LOGV(TAG, "Handling Periodic Data: %s", format_hex_pretty(this->buffer_data_, this->buffer_pos_).c_str());
     this->handle_periodic_data_();
     this->buffer_pos_ = 0;  // Reset position index for next message
-  } else if (this->buffer_data_[this->buffer_pos_ - 4] == CMD_FRAME_FOOTER[0] &&
+  } else if (ld2410::validate_header_footer(CMD_FRAME_FOOTER, &this->buffer_data_[this->buffer_pos_ - 4])) {
-             this->buffer_data_[this->buffer_pos_ - 3] == CMD_FRAME_FOOTER[1] &&
-             this->buffer_data_[this->buffer_pos_ - 2] == CMD_FRAME_FOOTER[2] &&
-             this->buffer_data_[this->buffer_pos_ - 1] == CMD_FRAME_FOOTER[3]) {
     ESP_LOGV(TAG, "Handling Ack Data: %s", format_hex_pretty(this->buffer_data_, this->buffer_pos_).c_str());
     if (this->handle_ack_data_()) {
       this->buffer_pos_ = 0;  // Reset position index for next message
@@ -772,7 +759,6 @@ void LD2410Component::set_max_distances_timeout() {
                        0x00};
   this->set_config_mode_(true);
   this->send_command_(CMD_MAXDIST_DURATION, value, sizeof(value));
-  delay(50);  // NOLINT
   this->query_parameters_();
   this->set_timeout(200, [this]() { this->restart_and_read_all_info(); });
   this->set_config_mode_(false);
@@ -802,7 +788,6 @@ void LD2410Component::set_gate_threshold(uint8_t gate) {
                        0x01, 0x00, lowbyte(motion), highbyte(motion), 0x00, 0x00,
                        0x02, 0x00, lowbyte(still),  highbyte(still),  0x00, 0x00};
   this->send_command_(CMD_GATE_SENS, value, sizeof(value));
-  delay(50);  // NOLINT
   this->query_parameters_();
   this->set_config_mode_(false);
 }
@@ -833,7 +818,6 @@ void LD2410Component::set_light_out_control() {
   this->set_config_mode_(true);
   uint8_t value[4] = {this->light_function_, this->light_threshold_, this->out_pin_level_, 0x00};
   this->send_command_(CMD_SET_LIGHT_CONTROL, value, sizeof(value));
-  delay(50);  // NOLINT
   this->query_light_control_();
   this->set_timeout(200, [this]() { this->restart_and_read_all_info(); });
   this->set_config_mode_(false);

esphome/components/ld2420/binary_sensor/ld2420_binary_sensor.cpp

@@ -5,10 +5,10 @@
 namespace esphome {
 namespace ld2420 {
 
-static const char *const TAG = "LD2420.binary_sensor";
+static const char *const TAG = "ld2420.binary_sensor";
 
 void LD2420BinarySensor::dump_config() {
-  ESP_LOGCONFIG(TAG, "LD2420 BinarySensor:");
+  ESP_LOGCONFIG(TAG, "Binary Sensor:");
   LOG_BINARY_SENSOR("  ", "Presence", this->presence_bsensor_);
 }
 

esphome/components/ld2420/button/reconfig_buttons.cpp

@@ -2,7 +2,7 @@
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
-static const char *const TAG = "LD2420.button";
+static const char *const TAG = "ld2420.button";
 
 namespace esphome {
 namespace ld2420 {

esphome/components/ld2420/ld2420.cpp

@@ -137,7 +137,7 @@ static const std::string OP_SIMPLE_MODE_STRING = "Simple";
 // Memory-efficient lookup tables
 struct StringToUint8 {
   const char *str;
-  uint8_t value;
+  const uint8_t value;
 };
 
 static constexpr StringToUint8 OP_MODE_BY_STR[] = {
@@ -155,8 +155,9 @@ static constexpr const char *ERR_MESSAGE[] = {
 // Helper function for lookups
 template<size_t N> uint8_t find_uint8(const StringToUint8 (&arr)[N], const std::string &str) {
   for (const auto &entry : arr) {
-    if (str == entry.str)
+    if (str == entry.str) {
       return entry.value;
+    }
   }
   return 0xFF;  // Not found
 }
@@ -326,15 +327,8 @@ void LD2420Component::revert_config_action() {
 
 void LD2420Component::loop() {
   // If there is a active send command do not process it here, the send command call will handle it.
-  if (!this->get_cmd_active_()) {
+  while (!this->cmd_active_ && this->available()) {
-    if (!this->available())
+    this->readline_(this->read(), this->buffer_data_, MAX_LINE_LENGTH);
-      return;
-    static uint8_t buffer[2048];
-    static uint8_t rx_data;
-    while (this->available()) {
-      rx_data = this->read();
-      this->readline_(rx_data, buffer, sizeof(buffer));
-    }
   }
 }
 
@@ -365,8 +359,9 @@ void LD2420Component::auto_calibrate_sensitivity() {
 
     // Store average and peak values
     this->gate_avg[gate] = sum / CALIBRATE_SAMPLES;
-    if (this->gate_peak[gate] < peak)
+    if (this->gate_peak[gate] < peak) {
       this->gate_peak[gate] = peak;
+    }
 
     uint32_t calculated_value =
         (static_cast<uint32_t>(this->gate_peak[gate]) + (move_factor * static_cast<uint32_t>(this->gate_peak[gate])));
@@ -403,8 +398,9 @@ void LD2420Component::set_operating_mode(const std::string &state) {
       }
     } else {
       // Set the current data back so we don't have new data that can be applied in error.
-      if (this->get_calibration_())
+      if (this->get_calibration_()) {
         memcpy(&this->new_config, &this->current_config, sizeof(this->current_config));
+      }
       this->set_calibration_(false);
     }
   } else {
@@ -414,30 +410,32 @@ void LD2420Component::set_operating_mode(const std::string &state) {
 }
 
 void LD2420Component::readline_(int rx_data, uint8_t *buffer, int len) {
-  static int pos = 0;
+  if (rx_data < 0) {
-
+    return;  // No data available
-  if (rx_data >= 0) {
+  }
-    if (pos < len - 1) {
+  if (this->buffer_pos_ < len - 1) {
-      buffer[pos++] = rx_data;
+    buffer[this->buffer_pos_++] = rx_data;
-      buffer[pos] = 0;
+    buffer[this->buffer_pos_] = 0;
-    } else {
+  } else {
-      pos = 0;
+    // We should never get here, but just in case...
-    }
+    ESP_LOGW(TAG, "Max command length exceeded; ignoring");
-    if (pos >= 4) {
+    this->buffer_pos_ = 0;
-      if (memcmp(&buffer[pos - 4], &CMD_FRAME_FOOTER, sizeof(CMD_FRAME_FOOTER)) == 0) {
+  }
-        this->set_cmd_active_(false);  // Set command state to inactive after responce.
+  if (this->buffer_pos_ < 4) {
-        this->handle_ack_data_(buffer, pos);
+    return;  // Not enough data to process yet
-        pos = 0;
+  }
-      } else if ((buffer[pos - 2] == 0x0D && buffer[pos - 1] == 0x0A) &&
+  if (memcmp(&buffer[this->buffer_pos_ - 4], &CMD_FRAME_FOOTER, sizeof(CMD_FRAME_FOOTER)) == 0) {
-                 (this->get_mode_() == CMD_SYSTEM_MODE_SIMPLE)) {
+    this->cmd_active_ = false;  // Set command state to inactive after response
-        this->handle_simple_mode_(buffer, pos);
+    this->handle_ack_data_(buffer, this->buffer_pos_);
-        pos = 0;
+    this->buffer_pos_ = 0;
-      } else if ((memcmp(&buffer[pos - 4], &ENERGY_FRAME_FOOTER, sizeof(ENERGY_FRAME_FOOTER)) == 0) &&
+  } else if ((buffer[this->buffer_pos_ - 2] == 0x0D && buffer[this->buffer_pos_ - 1] == 0x0A) &&
-                 (this->get_mode_() == CMD_SYSTEM_MODE_ENERGY)) {
+             (this->get_mode_() == CMD_SYSTEM_MODE_SIMPLE)) {
-        this->handle_energy_mode_(buffer, pos);
+    this->handle_simple_mode_(buffer, this->buffer_pos_);
-        pos = 0;
+    this->buffer_pos_ = 0;
-      }
+  } else if ((memcmp(&buffer[this->buffer_pos_ - 4], &ENERGY_FRAME_FOOTER, sizeof(ENERGY_FRAME_FOOTER)) == 0) &&
-    }
+             (this->get_mode_() == CMD_SYSTEM_MODE_ENERGY)) {
+    this->handle_energy_mode_(buffer, this->buffer_pos_);
+    this->buffer_pos_ = 0;
   }
 }
 
@@ -462,8 +460,9 @@ void LD2420Component::handle_energy_mode_(uint8_t *buffer, int len) {
 
   // Resonable refresh rate for home assistant database size health
   const int32_t current_millis = App.get_loop_component_start_time();
-  if (current_millis - this->last_periodic_millis < REFRESH_RATE_MS)
+  if (current_millis - this->last_periodic_millis < REFRESH_RATE_MS) {
     return;
+  }
   this->last_periodic_millis = current_millis;
   for (auto &listener : this->listeners_) {
     listener->on_distance(this->get_distance_());
@@ -506,14 +505,16 @@ void LD2420Component::handle_simple_mode_(const uint8_t *inbuf, int len) {
     }
   }
   outbuf[index] = '\0';
-  if (index > 1)
+  if (index > 1) {
     this->set_distance_(strtol(outbuf, &endptr, 10));
+  }
 
   if (this->get_mode_() == CMD_SYSTEM_MODE_SIMPLE) {
     // Resonable refresh rate for home assistant database size health
     const int32_t current_millis = App.get_loop_component_start_time();
-    if (current_millis - this->last_normal_periodic_millis < REFRESH_RATE_MS)
+    if (current_millis - this->last_normal_periodic_millis < REFRESH_RATE_MS) {
       return;
+    }
     this->last_normal_periodic_millis = current_millis;
     for (auto &listener : this->listeners_)
       listener->on_distance(this->get_distance_());
@@ -593,11 +594,12 @@ void LD2420Component::handle_ack_data_(uint8_t *buffer, int len) {
 int LD2420Component::send_cmd_from_array(CmdFrameT frame) {
   uint32_t start_millis = millis();
   uint8_t error = 0;
-  uint8_t ack_buffer[64];
+  uint8_t ack_buffer[MAX_LINE_LENGTH];
-  uint8_t cmd_buffer[64];
+  uint8_t cmd_buffer[MAX_LINE_LENGTH];
   this->cmd_reply_.ack = false;
-  if (frame.command != CMD_RESTART)
+  if (frame.command != CMD_RESTART) {
-    this->set_cmd_active_(true);  // Restart does not reply, thus no ack state required.
+    this->cmd_active_ = true;
+  }  // Restart does not reply, thus no ack state required
   uint8_t retry = 3;
   while (retry) {
     frame.length = 0;
@@ -619,9 +621,7 @@ int LD2420Component::send_cmd_from_array(CmdFrameT frame) {
 
     memcpy(cmd_buffer + frame.length, &frame.footer, sizeof(frame.footer));
     frame.length += sizeof(frame.footer);
-    for (uint16_t index = 0; index < frame.length; index++) {
+    this->write_array(cmd_buffer, frame.length);
-      this->write_byte(cmd_buffer[index]);
-    }
 
     error = 0;
     if (frame.command == CMD_RESTART) {
@@ -630,7 +630,7 @@ int LD2420Component::send_cmd_from_array(CmdFrameT frame) {
 
     while (!this->cmd_reply_.ack) {
       while (this->available()) {
-        this->readline_(read(), ack_buffer, sizeof(ack_buffer));
+        this->readline_(this->read(), ack_buffer, sizeof(ack_buffer));
       }
       delay_microseconds_safe(1450);
       // Wait on an Rx from the LD2420 for up to 3 1 second loops, otherwise it could trigger a WDT.
@@ -641,10 +641,12 @@ int LD2420Component::send_cmd_from_array(CmdFrameT frame) {
         break;
       }
     }
-    if (this->cmd_reply_.ack)
+    if (this->cmd_reply_.ack) {
       retry = 0;
-    if (this->cmd_reply_.error > 0)
+    }
+    if (this->cmd_reply_.error > 0) {
       this->handle_cmd_error(error);
+    }
   }
   return error;
 }
@@ -764,8 +766,9 @@ void LD2420Component::set_system_mode(uint16_t mode) {
   cmd_frame.data_length += sizeof(unknown_parm);
   cmd_frame.footer = CMD_FRAME_FOOTER;
   ESP_LOGV(TAG, "Sending write system mode command: %2X", cmd_frame.command);
-  if (this->send_cmd_from_array(cmd_frame) == 0)
+  if (this->send_cmd_from_array(cmd_frame) == 0) {
     this->set_mode_(mode);
+  }
 }
 
 void LD2420Component::get_firmware_version_() {
@@ -840,18 +843,24 @@ void LD2420Component::set_gate_threshold(uint8_t gate) {
 
 #ifdef USE_NUMBER
 void LD2420Component::init_gate_config_numbers() {
-  if (this->gate_timeout_number_ != nullptr)
+  if (this->gate_timeout_number_ != nullptr) {
     this->gate_timeout_number_->publish_state(static_cast<uint16_t>(this->current_config.timeout));
-  if (this->gate_select_number_ != nullptr)
+  }
+  if (this->gate_select_number_ != nullptr) {
     this->gate_select_number_->publish_state(0);
-  if (this->min_gate_distance_number_ != nullptr)
+  }
+  if (this->min_gate_distance_number_ != nullptr) {
     this->min_gate_distance_number_->publish_state(static_cast<uint16_t>(this->current_config.min_gate));
-  if (this->max_gate_distance_number_ != nullptr)
+  }
+  if (this->max_gate_distance_number_ != nullptr) {
     this->max_gate_distance_number_->publish_state(static_cast<uint16_t>(this->current_config.max_gate));
-  if (this->gate_move_sensitivity_factor_number_ != nullptr)
+  }
+  if (this->gate_move_sensitivity_factor_number_ != nullptr) {
     this->gate_move_sensitivity_factor_number_->publish_state(this->gate_move_sensitivity_factor);
-  if (this->gate_still_sensitivity_factor_number_ != nullptr)
+  }
+  if (this->gate_still_sensitivity_factor_number_ != nullptr) {
     this->gate_still_sensitivity_factor_number_->publish_state(this->gate_still_sensitivity_factor);
+  }
   for (uint8_t gate = 0; gate < TOTAL_GATES; gate++) {
     if (this->gate_still_threshold_numbers_[gate] != nullptr) {
       this->gate_still_threshold_numbers_[gate]->publish_state(

esphome/components/ld2420/ld2420.h

@@ -20,8 +20,9 @@
 namespace esphome {
 namespace ld2420 {
 
-static const uint8_t TOTAL_GATES = 16;
 static const uint8_t CALIBRATE_SAMPLES = 64;
+static const uint8_t MAX_LINE_LENGTH = 46;  // Max characters for serial buffer
+static const uint8_t TOTAL_GATES = 16;
 
 enum OpMode : uint8_t {
   OP_NORMAL_MODE = 1,
@@ -118,10 +119,10 @@ class LD2420Component : public Component, public uart::UARTDevice {
 
   float gate_move_sensitivity_factor{0.5};
   float gate_still_sensitivity_factor{0.5};
-  int32_t last_periodic_millis = millis();
+  int32_t last_periodic_millis{0};
-  int32_t report_periodic_millis = millis();
+  int32_t report_periodic_millis{0};
-  int32_t monitor_periodic_millis = millis();
+  int32_t monitor_periodic_millis{0};
-  int32_t last_normal_periodic_millis = millis();
+  int32_t last_normal_periodic_millis{0};
   uint16_t radar_data[TOTAL_GATES][CALIBRATE_SAMPLES];
   uint16_t gate_avg[TOTAL_GATES];
   uint16_t gate_peak[TOTAL_GATES];
@@ -161,8 +162,6 @@ class LD2420Component : public Component, public uart::UARTDevice {
   void set_presence_(bool presence) { this->presence_ = presence; };
   uint16_t get_distance_() { return this->distance_; };
   void set_distance_(uint16_t distance) { this->distance_ = distance; };
-  bool get_cmd_active_() { return this->cmd_active_; };
-  void set_cmd_active_(bool active) { this->cmd_active_ = active; };
   void handle_simple_mode_(const uint8_t *inbuf, int len);
   void handle_energy_mode_(uint8_t *buffer, int len);
   void handle_ack_data_(uint8_t *buffer, int len);
@@ -181,12 +180,11 @@ class LD2420Component : public Component, public uart::UARTDevice {
   std::vector<number::Number *> gate_move_threshold_numbers_ = std::vector<number::Number *>(16);
 #endif
 
-  uint32_t max_distance_gate_;
+  uint16_t distance_{0};
-  uint32_t min_distance_gate_;
   uint16_t system_mode_;
   uint16_t gate_energy_[TOTAL_GATES];
-  uint16_t distance_{0};
+  uint8_t buffer_pos_{0};  // where to resume processing/populating buffer
-  uint8_t config_checksum_{0};
+  uint8_t buffer_data_[MAX_LINE_LENGTH];
   char firmware_ver_[8]{"v0.0.0"};
   bool cmd_active_{false};
   bool presence_{false};

esphome/components/ld2420/number/gate_config_number.cpp

@@ -2,7 +2,7 @@
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
-static const char *const TAG = "LD2420.number";
+static const char *const TAG = "ld2420.number";
 
 namespace esphome {
 namespace ld2420 {

esphome/components/ld2420/select/operating_mode_select.cpp

@@ -5,7 +5,7 @@
 namespace esphome {
 namespace ld2420 {
 
-static const char *const TAG = "LD2420.select";
+static const char *const TAG = "ld2420.select";
 
 void LD2420Select::control(const std::string &value) {
   this->publish_state(value);

esphome/components/ld2420/sensor/ld2420_sensor.cpp

@@ -5,10 +5,10 @@
 namespace esphome {
 namespace ld2420 {
 
-static const char *const TAG = "LD2420.sensor";
+static const char *const TAG = "ld2420.sensor";
 
 void LD2420Sensor::dump_config() {
-  ESP_LOGCONFIG(TAG, "LD2420 Sensor:");
+  ESP_LOGCONFIG(TAG, "Sensor:");
   LOG_SENSOR("  ", "Distance", this->distance_sensor_);
 }
 

esphome/components/ld2420/text_sensor/text_sensor.cpp

@@ -5,10 +5,10 @@
 namespace esphome {
 namespace ld2420 {
 
-static const char *const TAG = "LD2420.text_sensor";
+static const char *const TAG = "ld2420.text_sensor";
 
 void LD2420TextSensor::dump_config() {
-  ESP_LOGCONFIG(TAG, "LD2420 TextSensor:");
+  ESP_LOGCONFIG(TAG, "Text Sensor:");
   LOG_TEXT_SENSOR("  ", "Firmware", this->fw_version_text_sensor_);
 }
 

esphome/components/libretiny/__init__.py

@@ -268,6 +268,7 @@ async def component_to_code(config):
 
     # disable library compatibility checks
     cg.add_platformio_option("lib_ldf_mode", "off")
+    cg.add_platformio_option("lib_compat_mode", "strict")
     # include <Arduino.h> in every file
     cg.add_platformio_option("build_src_flags", "-include Arduino.h")
     # dummy version code

esphome/components/lps22/lps22.cpp

@@ -0,0 +1,75 @@
+#include "lps22.h"
+
+namespace esphome {
+namespace lps22 {
+
+static constexpr const char *const TAG = "lps22";
+
+static constexpr uint8_t WHO_AM_I = 0x0F;
+static constexpr uint8_t LPS22HB_ID = 0xB1;
+static constexpr uint8_t LPS22HH_ID = 0xB3;
+static constexpr uint8_t CTRL_REG2 = 0x11;
+static constexpr uint8_t CTRL_REG2_ONE_SHOT_MASK = 0b1;
+static constexpr uint8_t STATUS = 0x27;
+static constexpr uint8_t STATUS_T_DA_MASK = 0b10;
+static constexpr uint8_t STATUS_P_DA_MASK = 0b01;
+static constexpr uint8_t TEMP_L = 0x2b;
+static constexpr uint8_t PRES_OUT_XL = 0x28;
+static constexpr uint8_t REF_P_XL = 0x28;
+static constexpr uint8_t READ_ATTEMPTS = 10;
+static constexpr uint8_t READ_INTERVAL = 5;
+static constexpr float PRESSURE_SCALE = 1.0f / 4096.0f;
+static constexpr float TEMPERATURE_SCALE = 0.01f;
+
+void LPS22Component::setup() {
+  uint8_t value = 0x00;
+  this->read_register(WHO_AM_I, &value, 1);
+  if (value != LPS22HB_ID && value != LPS22HH_ID) {
+    ESP_LOGW(TAG, "device IDs as %02x, which isn't a known LPS22HB or LPS22HH ID", value);
+    this->mark_failed();
+  }
+}
+
+void LPS22Component::dump_config() {
+  ESP_LOGCONFIG(TAG, "LPS22:");
+  LOG_SENSOR("  ", "Temperature", this->temperature_sensor_);
+  LOG_SENSOR("  ", "Pressure", this->pressure_sensor_);
+  LOG_I2C_DEVICE(this);
+  LOG_UPDATE_INTERVAL(this);
+}
+
+void LPS22Component::update() {
+  uint8_t value = 0x00;
+  this->read_register(CTRL_REG2, &value, 1);
+  value |= CTRL_REG2_ONE_SHOT_MASK;
+  this->write_register(CTRL_REG2, &value, 1);
+  this->set_retry(READ_INTERVAL, READ_ATTEMPTS, [this](uint8_t _) { return this->try_read_(); });
+}
+
+RetryResult LPS22Component::try_read_() {
+  uint8_t value = 0x00;
+  this->read_register(STATUS, &value, 1);
+  const uint8_t expected_status_mask = STATUS_T_DA_MASK | STATUS_P_DA_MASK;
+  if ((value & expected_status_mask) != expected_status_mask) {
+    ESP_LOGD(TAG, "STATUS not ready: %x", value);
+    return RetryResult::RETRY;
+  }
+
+  if (this->temperature_sensor_ != nullptr) {
+    uint8_t t_buf[2]{0};
+    this->read_register(TEMP_L, t_buf, 2);
+    int16_t encoded = static_cast<int16_t>(encode_uint16(t_buf[1], t_buf[0]));
+    float temp = TEMPERATURE_SCALE * static_cast<float>(encoded);
+    this->temperature_sensor_->publish_state(temp);
+  }
+  if (this->pressure_sensor_ != nullptr) {
+    uint8_t p_buf[3]{0};
+    this->read_register(PRES_OUT_XL, p_buf, 3);
+    uint32_t p_lsb = encode_uint24(p_buf[2], p_buf[1], p_buf[0]);
+    this->pressure_sensor_->publish_state(PRESSURE_SCALE * static_cast<float>(p_lsb));
+  }
+  return RetryResult::DONE;
+}
+
+}  // namespace lps22
+}  // namespace esphome

esphome/components/lps22/lps22.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace lps22 {
+
+class LPS22Component : public sensor::Sensor, public PollingComponent, public i2c::I2CDevice {
+ public:
+  void set_temperature_sensor(sensor::Sensor *temperature_sensor) { this->temperature_sensor_ = temperature_sensor; }
+  void set_pressure_sensor(sensor::Sensor *pressure_sensor) { this->pressure_sensor_ = pressure_sensor; }
+
+  void setup() override;
+  void update() override;
+  void dump_config() override;
+
+ protected:
+  sensor::Sensor *temperature_sensor_{nullptr};
+  sensor::Sensor *pressure_sensor_{nullptr};
+
+  RetryResult try_read_();
+};
+
+}  // namespace lps22
+}  // namespace esphome

esphome/components/lps22/sensor.py

@@ -0,0 +1,58 @@
+import esphome.codegen as cg
+from esphome.components import i2c, sensor
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_ID,
+    CONF_PRESSURE,
+    CONF_TEMPERATURE,
+    DEVICE_CLASS_PRESSURE,
+    DEVICE_CLASS_TEMPERATURE,
+    ICON_THERMOMETER,
+    STATE_CLASS_MEASUREMENT,
+    UNIT_CELSIUS,
+    UNIT_HECTOPASCAL,
+)
+
+CODEOWNERS = ["@nagisa"]
+DEPENDENCIES = ["i2c"]
+
+lps22 = cg.esphome_ns.namespace("lps22")
+
+LPS22Component = lps22.class_("LPS22Component", cg.PollingComponent, i2c.I2CDevice)
+
+CONFIG_SCHEMA = (
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(LPS22Component),
+            cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
+                unit_of_measurement=UNIT_CELSIUS,
+                icon=ICON_THERMOMETER,
+                accuracy_decimals=2,
+                device_class=DEVICE_CLASS_TEMPERATURE,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+            cv.Optional(CONF_PRESSURE): sensor.sensor_schema(
+                unit_of_measurement=UNIT_HECTOPASCAL,
+                accuracy_decimals=2,
+                device_class=DEVICE_CLASS_PRESSURE,
+                state_class=STATE_CLASS_MEASUREMENT,
+            ),
+        }
+    )
+    .extend(cv.polling_component_schema("60s"))
+    .extend(i2c.i2c_device_schema(0x5D))  # can also be 0x5C
+)
+
+
+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)
+
+    if temperature_config := config.get(CONF_TEMPERATURE):
+        sens = await sensor.new_sensor(temperature_config)
+        cg.add(var.set_temperature_sensor(sens))
+
+    if pressure_config := config.get(CONF_PRESSURE):
+        sens = await sensor.new_sensor(pressure_config)
+        cg.add(var.set_pressure_sensor(sens))

esphome/components/mqtt/mqtt_backend_esp32.cpp

@@ -153,11 +153,15 @@ void MQTTBackendESP32::mqtt_event_handler_(const Event &event) {
     case MQTT_EVENT_DATA: {
       static std::string topic;
       if (!event.topic.empty()) {
+        // When a single message arrives as multiple chunks, the topic will be empty
+        // on any but the first message, leading to event.topic being an empty string.
+        // To ensure handlers get the correct topic, cache the last seen topic to
+        // simulate always receiving the topic from underlying library
         topic = event.topic;
       }
       ESP_LOGV(TAG, "MQTT_EVENT_DATA %s", topic.c_str());
-      this->on_message_.call(!event.topic.empty() ? topic.c_str() : nullptr, event.data.data(), event.data.size(),
+      this->on_message_.call(topic.c_str(), event.data.data(), event.data.size(), event.current_data_offset,
-                             event.current_data_offset, event.total_data_len);
+                             event.total_data_len);
     } break;
     case MQTT_EVENT_ERROR:
       ESP_LOGE(TAG, "MQTT_EVENT_ERROR");

esphome/components/nfc/nfc.cpp

@@ -1,5 +1,6 @@
 #include "nfc.h"
 #include <cstdio>
+#include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
 
 namespace esphome {
@@ -7,29 +8,9 @@ namespace nfc {
 
 static const char *const TAG = "nfc";
 
-std::string format_uid(std::vector<uint8_t> &uid) {
+std::string format_uid(const std::vector<uint8_t> &uid) { return format_hex_pretty(uid, '-', false); }
-  char buf[(uid.size() * 2) + uid.size() - 1];
-  int offset = 0;
-  for (size_t i = 0; i < uid.size(); i++) {
-    const char *format = "%02X";
-    if (i + 1 < uid.size())
-      format = "%02X-";
-    offset += sprintf(buf + offset, format, uid[i]);
-  }
-  return std::string(buf);
-}
 
-std::string format_bytes(std::vector<uint8_t> &bytes) {
+std::string format_bytes(const std::vector<uint8_t> &bytes) { return format_hex_pretty(bytes, ' ', false); }
-  char buf[(bytes.size() * 2) + bytes.size() - 1];
-  int offset = 0;
-  for (size_t i = 0; i < bytes.size(); i++) {
-    const char *format = "%02X";
-    if (i + 1 < bytes.size())
-      format = "%02X ";
-    offset += sprintf(buf + offset, format, bytes[i]);
-  }
-  return std::string(buf);
-}
 
 uint8_t guess_tag_type(uint8_t uid_length) {
   if (uid_length == 4) {

esphome/components/nfc/nfc.h

@@ -2,8 +2,8 @@
 
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
-#include "ndef_record.h"
 #include "ndef_message.h"
+#include "ndef_record.h"
 #include "nfc_tag.h"
 
 #include <vector>
@@ -53,8 +53,8 @@ static const uint8_t DEFAULT_KEY[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
 static const uint8_t NDEF_KEY[6] = {0xD3, 0xF7, 0xD3, 0xF7, 0xD3, 0xF7};
 static const uint8_t MAD_KEY[6] = {0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5};
 
-std::string format_uid(std::vector<uint8_t> &uid);
+std::string format_uid(const std::vector<uint8_t> &uid);
-std::string format_bytes(std::vector<uint8_t> &bytes);
+std::string format_bytes(const std::vector<uint8_t> &bytes);
 
 uint8_t guess_tag_type(uint8_t uid_length);
 uint8_t get_mifare_classic_ndef_start_index(std::vector<uint8_t> &data);

esphome/components/opt3001/sensor.py

@@ -1,11 +1,7 @@
 import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome.components import i2c, sensor
-from esphome.const import (
+import esphome.config_validation as cv
-    DEVICE_CLASS_ILLUMINANCE,
+from esphome.const import DEVICE_CLASS_ILLUMINANCE, STATE_CLASS_MEASUREMENT, UNIT_LUX
-    STATE_CLASS_MEASUREMENT,
-    UNIT_LUX,
-)
 
 DEPENDENCIES = ["i2c"]
 CODEOWNERS = ["@ccutrer"]

esphome/components/packet_transport/packet_transport.cpp

@@ -314,6 +314,9 @@ void PacketTransport::send_data_(bool all) {
 }
 
 void PacketTransport::update() {
+  if (!this->ping_pong_enable_) {
+    return;
+  }
   auto now = millis() / 1000;
   if (this->last_key_time_ + this->ping_pong_recyle_time_ < now) {
     this->resend_ping_key_ = this->ping_pong_enable_;

esphome/components/rp2040/__init__.py

@@ -165,6 +165,7 @@ async def to_code(config):
     # Allow LDF to properly discover dependency including those in preprocessor
     # conditionals
     cg.add_platformio_option("lib_ldf_mode", "chain+")
+    cg.add_platformio_option("lib_compat_mode", "strict")
     cg.add_platformio_option("board", config[CONF_BOARD])
     cg.add_build_flag("-DUSE_RP2040")
     cg.set_cpp_standard("gnu++20")

esphome/components/substitutions/__init__.py

@@ -5,13 +5,8 @@ from esphome.config_helpers import Extend, Remove, merge_config
 import esphome.config_validation as cv
 from esphome.const import CONF_SUBSTITUTIONS, VALID_SUBSTITUTIONS_CHARACTERS
 from esphome.yaml_util import ESPHomeDataBase, make_data_base
-from .jinja import (
+
-    Jinja,
+from .jinja import Jinja, JinjaStr, TemplateError, TemplateRuntimeError, has_jinja
-    JinjaStr,
-    has_jinja,
-    TemplateError,
-    TemplateRuntimeError,
-)
 
 CODEOWNERS = ["@esphome/core"]
 _LOGGER = logging.getLogger(__name__)

esphome/components/substitutions/jinja.py

@@ -1,6 +1,7 @@
 import logging
 import math
 import re
+
 import jinja2 as jinja
 from jinja2.nativetypes import NativeEnvironment
 

esphome/components/sx126x/__init__.py

@@ -167,8 +167,8 @@ def validate_config(config):
     if config[CONF_MODULATION] == "LORA":
         if config[CONF_BANDWIDTH] not in lora_bws:
             raise cv.Invalid(f"{config[CONF_BANDWIDTH]} is not available with LORA")
-        if config[CONF_PREAMBLE_SIZE] > 0 and config[CONF_PREAMBLE_SIZE] < 6:
+        if config[CONF_PREAMBLE_SIZE] < 6:
-            raise cv.Invalid("Minimum preamble size is 6 with LORA")
+            raise cv.Invalid("Minimum 'preamble_size' is 6 with LORA")
         if config[CONF_SPREADING_FACTOR] == 6 and config[CONF_PAYLOAD_LENGTH] == 0:
             raise cv.Invalid("Payload length must be set when spreading factor is 6")
     else:
@@ -200,7 +200,7 @@ CONFIG_SCHEMA = (
             cv.Optional(CONF_PA_RAMP, default="40us"): cv.enum(RAMP),
             cv.Optional(CONF_PAYLOAD_LENGTH, default=0): cv.int_range(min=0, max=256),
             cv.Optional(CONF_PREAMBLE_DETECT, default=2): cv.int_range(min=0, max=4),
-            cv.Required(CONF_PREAMBLE_SIZE): cv.int_range(min=1, max=65535),
+            cv.Optional(CONF_PREAMBLE_SIZE, default=8): cv.int_range(min=1, max=65535),
             cv.Required(CONF_RST_PIN): pins.internal_gpio_output_pin_schema,
             cv.Optional(CONF_RX_START, default=True): cv.boolean,
             cv.Required(CONF_RF_SWITCH): cv.boolean,

esphome/components/sx127x/__init__.py

@@ -164,8 +164,8 @@ def validate_config(config):
             raise cv.Invalid(f"{config[CONF_BANDWIDTH]} is not available with LORA")
         if CONF_DIO0_PIN not in config:
             raise cv.Invalid("Cannot use LoRa without dio0_pin")
-        if 0 < config[CONF_PREAMBLE_SIZE] < 6:
+        if config[CONF_PREAMBLE_SIZE] < 6:
-            raise cv.Invalid("Minimum preamble size is 6 with LORA")
+            raise cv.Invalid("Minimum 'preamble_size' is 6 with LORA")
         if config[CONF_SPREADING_FACTOR] == 6 and config[CONF_PAYLOAD_LENGTH] == 0:
             raise cv.Invalid("Payload length must be set when spreading factor is 6")
     else:

esphome/components/web_server/web_server.h

@@ -78,7 +78,7 @@ enum JsonDetail { DETAIL_ALL, DETAIL_STATE };
   This is because only minimal changes were made to the ESPAsyncWebServer lib_dep, it was undesirable to put deferred
   update logic into that library. We need one deferred queue per connection so instead of one AsyncEventSource with
   multiple clients, we have multiple event sources with one client each. This is slightly awkward which is why it's
-  implemented in a more straightforward way for ESP-IDF. Arudino platform will eventually go away and this workaround
+  implemented in a more straightforward way for ESP-IDF. Arduino platform will eventually go away and this workaround
   can be forgotten.
 */
 #ifdef USE_ARDUINO

esphome/config_validation.py

@@ -1055,6 +1055,7 @@ def float_with_unit(quantity, regex_suffix, optional_unit=False):
     return validator
 
 
+bps = float_with_unit("bits per second", "(bps|bits/s|bit/s)?")
 frequency = float_with_unit("frequency", "(Hz|HZ|hz)?")
 resistance = float_with_unit("resistance", "(Ω|Ω|ohm|Ohm|OHM)?")
 current = float_with_unit("current", "(a|A|amp|Amp|amps|Amps|ampere|Ampere)?")

esphome/const.py

@@ -4,7 +4,7 @@ from enum import Enum
 
 from esphome.enum import StrEnum
 
-__version__ = "2025.7.0-dev"
+__version__ = "2025.8.0-dev"
 
 ALLOWED_NAME_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789-_"
 VALID_SUBSTITUTIONS_CHARACTERS = (

esphome/core/component_iterator.cpp

@@ -4,6 +4,8 @@
 
 #ifdef USE_API
 #include "esphome/components/api/api_server.h"
+#endif
+#ifdef USE_API_SERVICES
 #include "esphome/components/api/user_services.h"
 #endif
 
@@ -148,7 +150,7 @@ void ComponentIterator::advance() {
       }
       break;
 #endif
-#ifdef USE_API
+#ifdef USE_API_SERVICES
     case IteratorState ::SERVICE:
       if (this->at_ >= api::global_api_server->get_user_services().size()) {
         advance_platform = true;
@@ -383,7 +385,7 @@ void ComponentIterator::advance() {
 }
 bool ComponentIterator::on_end() { return true; }
 bool ComponentIterator::on_begin() { return true; }
-#ifdef USE_API
+#ifdef USE_API_SERVICES
 bool ComponentIterator::on_service(api::UserServiceDescriptor *service) { return true; }
 #endif
 #ifdef USE_CAMERA

esphome/core/component_iterator.h

@@ -10,7 +10,7 @@
 
 namespace esphome {
 
-#ifdef USE_API
+#ifdef USE_API_SERVICES
 namespace api {
 class UserServiceDescriptor;
 }  // namespace api
@@ -45,7 +45,7 @@ class ComponentIterator {
 #ifdef USE_TEXT_SENSOR
   virtual bool on_text_sensor(text_sensor::TextSensor *text_sensor) = 0;
 #endif
-#ifdef USE_API
+#ifdef USE_API_SERVICES
   virtual bool on_service(api::UserServiceDescriptor *service);
 #endif
 #ifdef USE_CAMERA
@@ -122,7 +122,7 @@ class ComponentIterator {
 #ifdef USE_TEXT_SENSOR
     TEXT_SENSOR,
 #endif
-#ifdef USE_API
+#ifdef USE_API_SERVICES
     SERVICE,
 #endif
 #ifdef USE_CAMERA

esphome/core/defines.h

@@ -108,7 +108,7 @@
 #define USE_API_CLIENT_DISCONNECTED_TRIGGER
 #define USE_API_NOISE
 #define USE_API_PLAINTEXT
-#define USE_API_YAML_SERVICES
+#define USE_API_SERVICES
 #define USE_MD5
 #define USE_MQTT
 #define USE_NETWORK

esphome/core/entity_helpers.py

@@ -187,6 +187,12 @@ def entity_duplicate_validator(platform: str) -> Callable[[ConfigType], ConfigTy
             # No name to validate
             return config
 
+        # Skip validation for internal entities
+        # Internal entities are not exposed to Home Assistant and don't use the hash-based
+        # entity state tracking system, so name collisions don't matter for them
+        if config.get(CONF_INTERNAL, False):
+            return config
+
         # Get the entity name
         entity_name = config[CONF_NAME]
 

esphome/core/helpers.cpp

@@ -263,7 +263,7 @@ std::string format_hex_pretty(const uint8_t *data, size_t length, char separator
     return "";
   std::string ret;
   uint8_t multiple = separator ? 3 : 2;  // 3 if separator is not \0, 2 otherwise
-  ret.resize(multiple * length - 1);
+  ret.resize(multiple * length - (separator ? 1 : 0));
   for (size_t i = 0; i < length; i++) {
     ret[multiple * i] = format_hex_pretty_char((data[i] & 0xF0) >> 4);
     ret[multiple * i + 1] = format_hex_pretty_char(data[i] & 0x0F);
@@ -283,7 +283,7 @@ std::string format_hex_pretty(const uint16_t *data, size_t length, char separato
     return "";
   std::string ret;
   uint8_t multiple = separator ? 5 : 4;  // 5 if separator is not \0, 4 otherwise
-  ret.resize(multiple * length - 1);
+  ret.resize(multiple * length - (separator ? 1 : 0));
   for (size_t i = 0; i < length; i++) {
     ret[multiple * i] = format_hex_pretty_char((data[i] & 0xF000) >> 12);
     ret[multiple * i + 1] = format_hex_pretty_char((data[i] & 0x0F00) >> 8);
@@ -304,7 +304,7 @@ std::string format_hex_pretty(const std::string &data, char separator, bool show
     return "";
   std::string ret;
   uint8_t multiple = separator ? 3 : 2;  // 3 if separator is not \0, 2 otherwise
-  ret.resize(multiple * data.length() - 1);
+  ret.resize(multiple * data.length() - (separator ? 1 : 0));
   for (size_t i = 0; i < data.length(); i++) {
     ret[multiple * i] = format_hex_pretty_char((data[i] & 0xF0) >> 4);
     ret[multiple * i + 1] = format_hex_pretty_char(data[i] & 0x0F);

esphome/core/scheduler.cpp

@@ -66,10 +66,8 @@ void HOT Scheduler::set_timer_common_(Component *component, SchedulerItem::Type
 
   if (delay == SCHEDULER_DONT_RUN) {
     // Still need to cancel existing timer if name is not empty
-    if (this->is_name_valid_(name_cstr)) {
+    LockGuard guard{this->lock_};
-      LockGuard guard{this->lock_};
+    this->cancel_item_locked_(component, name_cstr, type);
-      this->cancel_item_locked_(component, name_cstr, type);
-    }
     return;
   }
 
@@ -125,10 +123,8 @@ void HOT Scheduler::set_timer_common_(Component *component, SchedulerItem::Type
 
   LockGuard guard{this->lock_};
   // If name is provided, do atomic cancel-and-add
-  if (this->is_name_valid_(name_cstr)) {
+  // Cancel existing items
-    // Cancel existing items
+  this->cancel_item_locked_(component, name_cstr, type);
-    this->cancel_item_locked_(component, name_cstr, type);
-  }
   // Add new item directly to to_add_
   // since we have the lock held
   this->to_add_.push_back(std::move(item));
@@ -442,10 +438,6 @@ bool HOT Scheduler::cancel_item_(Component *component, bool is_static_string, co
   // Get the name as const char*
   const char *name_cstr = this->get_name_cstr_(is_static_string, name_ptr);
 
-  // Handle null or empty names
-  if (!this->is_name_valid_(name_cstr))
-    return false;
-
   // obtain lock because this function iterates and can be called from non-loop task context
   LockGuard guard{this->lock_};
   return this->cancel_item_locked_(component, name_cstr, type);
@@ -453,6 +445,11 @@ bool HOT Scheduler::cancel_item_(Component *component, bool is_static_string, co
 
 // Helper to cancel items by name - must be called with lock held
 bool HOT Scheduler::cancel_item_locked_(Component *component, const char *name_cstr, SchedulerItem::Type type) {
+  // Early return if name is invalid - no items to cancel
+  if (name_cstr == nullptr || name_cstr[0] == '\0') {
+    return false;
+  }
+
   size_t total_cancelled = 0;
 
   // Check all containers for matching items

esphome/core/scheduler.h

@@ -150,9 +150,6 @@ class Scheduler {
     return is_static_string ? static_cast<const char *>(name_ptr) : static_cast<const std::string *>(name_ptr)->c_str();
   }
 
-  // Helper to check if a name is valid (not null and not empty)
-  inline bool is_name_valid_(const char *name) { return name != nullptr && name[0] != '\0'; }
-
   // Common implementation for cancel operations
   bool cancel_item_(Component *component, bool is_static_string, const void *name_ptr, SchedulerItem::Type type);
 

esphome/wizard.py

@@ -411,7 +411,7 @@ def wizard(path):
     safe_print("Options:")
     for board_id, board_data in boards_list:
         safe_print(f" - {board_id} - {board_data['name']}")
-        boards.append(board_id)
+        boards.append(board_id.lower())
 
     while True:
         board = safe_input(color(AnsiFore.BOLD_WHITE, "(board): "))

platformio.ini

@@ -61,6 +61,7 @@ src_filter =
     +<../tests/dummy_main.cpp>
     +<../.temp/all-include.cpp>
 lib_ldf_mode = off
+lib_compat_mode = strict
 
 ; This are common settings for all Arduino-framework based environments.
 [common:arduino]

requirements.txt

@@ -13,7 +13,7 @@ platformio==6.1.18  # When updating platformio, also update /docker/Dockerfile
 esptool==4.9.0
 click==8.1.7
 esphome-dashboard==20250514.0
-aioesphomeapi==34.1.0
+aioesphomeapi==34.2.0
 zeroconf==0.147.0
 puremagic==1.30
 ruamel.yaml==0.18.14 # dashboard_import

requirements_test.txt

@@ -1,6 +1,6 @@
 pylint==3.3.7
 flake8==7.3.0  # also change in .pre-commit-config.yaml when updating
-ruff==0.12.2  # also change in .pre-commit-config.yaml when updating
+ruff==0.12.3  # also change in .pre-commit-config.yaml when updating
 pyupgrade==3.20.0  # also change in .pre-commit-config.yaml when updating
 pre-commit
 

script/api_protobuf/api_protobuf.py

@@ -249,6 +249,42 @@ class TypeInfo(ABC):
             return 4  # 28 bits
         return 5  # 32 bits (maximum for uint32_t)
 
+    def _get_simple_size_calculation(
+        self, name: str, force: bool, base_method: str, value_expr: str = None
+    ) -> str:
+        """Helper for simple size calculations.
+
+        Args:
+            name: Field name
+            force: Whether this is for a repeated field
+            base_method: Base method name (e.g., "add_int32_field")
+            value_expr: Optional value expression (defaults to name)
+        """
+        field_id_size = self.calculate_field_id_size()
+        method = f"{base_method}_repeated" if force else base_method
+        value = value_expr if value_expr else name
+        return f"ProtoSize::{method}(total_size, {field_id_size}, {value});"
+
+    def _get_fixed_size_calculation(
+        self, name: str, force: bool, num_bytes: int, zero_check: str
+    ) -> str:
+        """Helper for fixed-size field calculations.
+
+        Args:
+            name: Field name
+            force: Whether this is for a repeated field
+            num_bytes: Number of bytes (4 or 8)
+            zero_check: Expression to check for zero value (e.g., "!= 0.0f")
+        """
+        field_id_size = self.calculate_field_id_size()
+        # Fixed-size repeated fields are handled differently in RepeatedTypeInfo
+        # so we should never get force=True here
+        assert not force, (
+            "Fixed-size repeated fields should be handled by RepeatedTypeInfo"
+        )
+        method = f"add_fixed_field<{num_bytes}>"
+        return f"ProtoSize::{method}(total_size, {field_id_size}, {name} {zero_check});"
+
     @abstractmethod
     def get_size_calculation(self, name: str, force: bool = False) -> str:
         """Calculate the size needed for encoding this field.
@@ -258,6 +294,14 @@ class TypeInfo(ABC):
             force: Whether to force encoding the field even if it has a default value
         """
 
+    def get_fixed_size_bytes(self) -> int | None:
+        """Get the number of bytes for fixed-size fields (float, double, fixed32, etc).
+
+        Returns:
+            The number of bytes (4 or 8) for fixed-size fields, None for variable-size fields.
+        """
+        return None
+
     @abstractmethod
     def get_estimated_size(self) -> int:
         """Get estimated size in bytes for this field with typical values.
@@ -295,9 +339,10 @@ class DoubleType(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_fixed_size_calculation(name, force, 8, "!= 0.0")
-        o = f"ProtoSize::add_fixed_field<8>(total_size, {field_id_size}, {name} != 0.0, {force_str(force)});"
+
-        return o
+    def get_fixed_size_bytes(self) -> int:
+        return 8
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 8  # field ID + 8 bytes for double
@@ -317,9 +362,10 @@ class FloatType(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_fixed_size_calculation(name, force, 4, "!= 0.0f")
-        o = f"ProtoSize::add_fixed_field<4>(total_size, {field_id_size}, {name} != 0.0f, {force_str(force)});"
+
-        return o
+    def get_fixed_size_bytes(self) -> int:
+        return 4
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 4  # field ID + 4 bytes for float
@@ -339,9 +385,7 @@ class Int64Type(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(name, force, "add_int64_field")
-        o = f"ProtoSize::add_int64_field(total_size, {field_id_size}, {name}, {force_str(force)});"
-        return o
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 3  # field ID + 3 bytes typical varint
@@ -361,9 +405,7 @@ class UInt64Type(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(name, force, "add_uint64_field")
-        o = f"ProtoSize::add_uint64_field(total_size, {field_id_size}, {name}, {force_str(force)});"
-        return o
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 3  # field ID + 3 bytes typical varint
@@ -383,9 +425,7 @@ class Int32Type(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(name, force, "add_int32_field")
-        o = f"ProtoSize::add_int32_field(total_size, {field_id_size}, {name}, {force_str(force)});"
-        return o
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 3  # field ID + 3 bytes typical varint
@@ -405,9 +445,10 @@ class Fixed64Type(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_fixed_size_calculation(name, force, 8, "!= 0")
-        o = f"ProtoSize::add_fixed_field<8>(total_size, {field_id_size}, {name} != 0, {force_str(force)});"
+
-        return o
+    def get_fixed_size_bytes(self) -> int:
+        return 8
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 8  # field ID + 8 bytes fixed
@@ -427,9 +468,10 @@ class Fixed32Type(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_fixed_size_calculation(name, force, 4, "!= 0")
-        o = f"ProtoSize::add_fixed_field<4>(total_size, {field_id_size}, {name} != 0, {force_str(force)});"
+
-        return o
+    def get_fixed_size_bytes(self) -> int:
+        return 4
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 4  # field ID + 4 bytes fixed
@@ -448,9 +490,7 @@ class BoolType(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(name, force, "add_bool_field")
-        o = f"ProtoSize::add_bool_field(total_size, {field_id_size}, {name}, {force_str(force)});"
-        return o
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 1  # field ID + 1 byte
@@ -471,9 +511,7 @@ class StringType(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(name, force, "add_string_field")
-        o = f"ProtoSize::add_string_field(total_size, {field_id_size}, {name}, {force_str(force)});"
-        return o
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 8  # field ID + 8 bytes typical string
@@ -498,20 +536,33 @@ class MessageType(TypeInfo):
 
     @property
     def encode_func(self) -> str:
-        return f"encode_message<{self.cpp_type}>"
+        return "encode_message"
 
     @property
     def decode_length(self) -> str:
-        return f"value.as_message<{self.cpp_type}>()"
+        # Override to return None for message types because we can't use template-based
+        # decoding when the specific message type isn't known at compile time.
+        # Instead, we use the non-template decode_to_message() method which allows
+        # runtime polymorphism through virtual function calls.
+        return None
+
+    @property
+    def decode_length_content(self) -> str:
+        # Custom decode that doesn't use templates
+        return dedent(
+            f"""\
+        case {self.number}: {{
+          value.decode_to_message(this->{self.field_name});
+          return true;
+        }}"""
+        )
 
     def dump(self, name: str) -> str:
         o = f"{name}.dump_to(out);"
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(name, force, "add_message_object")
-        o = f"ProtoSize::add_message_object(total_size, {field_id_size}, {name}, {force_str(force)});"
-        return o
 
     def get_estimated_size(self) -> int:
         return (
@@ -538,9 +589,7 @@ class BytesType(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(name, force, "add_string_field")
-        o = f"ProtoSize::add_string_field(total_size, {field_id_size}, {name}, {force_str(force)});"
-        return o
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 8  # field ID + 8 bytes typical bytes
@@ -560,9 +609,7 @@ class UInt32Type(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(name, force, "add_uint32_field")
-        o = f"ProtoSize::add_uint32_field(total_size, {field_id_size}, {name}, {force_str(force)});"
-        return o
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 3  # field ID + 3 bytes typical varint
@@ -576,23 +623,27 @@ class EnumType(TypeInfo):
 
     @property
     def decode_varint(self) -> str:
-        return f"value.as_enum<{self.cpp_type}>()"
+        return f"static_cast<{self.cpp_type}>(value.as_uint32())"
 
     default_value = ""
     wire_type = WireType.VARINT  # Uses wire type 0
 
     @property
     def encode_func(self) -> str:
-        return f"encode_enum<{self.cpp_type}>"
+        return "encode_uint32"
+
+    @property
+    def encode_content(self) -> str:
+        return f"buffer.{self.encode_func}({self.number}, static_cast<uint32_t>(this->{self.field_name}));"
 
     def dump(self, name: str) -> str:
         o = f"out.append(proto_enum_to_string<{self.cpp_type}>({name}));"
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(
-        o = f"ProtoSize::add_enum_field(total_size, {field_id_size}, static_cast<uint32_t>({name}), {force_str(force)});"
+            name, force, "add_enum_field", f"static_cast<uint32_t>({name})"
-        return o
+        )
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 1  # field ID + 1 byte typical enum
@@ -612,9 +663,10 @@ class SFixed32Type(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_fixed_size_calculation(name, force, 4, "!= 0")
-        o = f"ProtoSize::add_fixed_field<4>(total_size, {field_id_size}, {name} != 0, {force_str(force)});"
+
-        return o
+    def get_fixed_size_bytes(self) -> int:
+        return 4
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 4  # field ID + 4 bytes fixed
@@ -634,9 +686,10 @@ class SFixed64Type(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_fixed_size_calculation(name, force, 8, "!= 0")
-        o = f"ProtoSize::add_fixed_field<8>(total_size, {field_id_size}, {name} != 0, {force_str(force)});"
+
-        return o
+    def get_fixed_size_bytes(self) -> int:
+        return 8
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 8  # field ID + 8 bytes fixed
@@ -656,9 +709,7 @@ class SInt32Type(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(name, force, "add_sint32_field")
-        o = f"ProtoSize::add_sint32_field(total_size, {field_id_size}, {name}, {force_str(force)});"
-        return o
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 3  # field ID + 3 bytes typical varint
@@ -678,9 +729,7 @@ class SInt64Type(TypeInfo):
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str:
-        field_id_size = self.calculate_field_id_size()
+        return self._get_simple_size_calculation(name, force, "add_sint64_field")
-        o = f"ProtoSize::add_sint64_field(total_size, {field_id_size}, {name}, {force_str(force)});"
-        return o
 
     def get_estimated_size(self) -> int:
         return self.calculate_field_id_size() + 3  # field ID + 3 bytes typical varint
@@ -727,6 +776,16 @@ class RepeatedTypeInfo(TypeInfo):
     @property
     def decode_length_content(self) -> str:
         content = self._ti.decode_length
+        if content is None and isinstance(self._ti, MessageType):
+            # Special handling for non-template message decoding
+            return dedent(
+                f"""\
+        case {self.number}: {{
+          this->{self.field_name}.emplace_back();
+          value.decode_to_message(this->{self.field_name}.back());
+          return true;
+        }}"""
+            )
         if content is None:
             return None
         return dedent(
@@ -771,7 +830,10 @@ class RepeatedTypeInfo(TypeInfo):
     @property
     def encode_content(self) -> str:
         o = f"for (auto {'' if self._ti_is_bool else '&'}it : this->{self.field_name}) {{\n"
-        o += f"  buffer.{self._ti.encode_func}({self.number}, it, true);\n"
+        if isinstance(self._ti, EnumType):
+            o += f"  buffer.{self._ti.encode_func}({self.number}, static_cast<uint32_t>(it), true);\n"
+        else:
+            o += f"  buffer.{self._ti.encode_func}({self.number}, it, true);\n"
         o += "}"
         return o
 
@@ -795,11 +857,23 @@ class RepeatedTypeInfo(TypeInfo):
             field_id_size = self._ti.calculate_field_id_size()
             o = f"ProtoSize::add_repeated_message(total_size, {field_id_size}, {name});"
             return o
+
         # For other repeated types, use the underlying type's size calculation with force=True
         o = f"if (!{name}.empty()) {{\n"
-        o += f"  for (const auto {'' if self._ti_is_bool else '&'}it : {name}) {{\n"
+
-        o += f"    {self._ti.get_size_calculation('it', True)}\n"
+        # Check if this is a fixed-size type by seeing if it has a fixed byte count
-        o += "  }\n"
+        num_bytes = self._ti.get_fixed_size_bytes()
+        if num_bytes is not None:
+            # Fixed types have constant size per element, so we can multiply
+            field_id_size = self._ti.calculate_field_id_size()
+            # Pre-calculate the total bytes per element
+            bytes_per_element = field_id_size + num_bytes
+            o += f"  total_size += {name}.size() * {bytes_per_element};\n"
+        else:
+            # Other types need the actual value
+            o += f"  for (const auto {'' if self._ti_is_bool else '&'}it : {name}) {{\n"
+            o += f"    {self._ti.get_size_calculation('it', True)}\n"
+            o += "  }\n"
         o += "}"
         return o
 
@@ -987,13 +1061,24 @@ def build_message_type(
 
     # Add MESSAGE_TYPE method if this is a service message
     if message_id is not None:
+        # Validate that message_id fits in uint8_t
+        if message_id > 255:
+            raise ValueError(
+                f"Message ID {message_id} for {desc.name} exceeds uint8_t maximum (255)"
+            )
+
         # Add static constexpr for message type
-        public_content.append(f"static constexpr uint16_t MESSAGE_TYPE = {message_id};")
+        public_content.append(f"static constexpr uint8_t MESSAGE_TYPE = {message_id};")
 
         # Add estimated size constant
         estimated_size = calculate_message_estimated_size(desc)
+        # Validate that estimated_size fits in uint8_t
+        if estimated_size > 255:
+            raise ValueError(
+                f"Estimated size {estimated_size} for {desc.name} exceeds uint8_t maximum (255)"
+            )
         public_content.append(
-            f"static constexpr uint16_t ESTIMATED_SIZE = {estimated_size};"
+            f"static constexpr uint8_t ESTIMATED_SIZE = {estimated_size};"
         )
 
         # Add message_name method inline in header
@@ -1701,7 +1786,6 @@ static const char *const TAG = "api.service";
         exec_clang_format(root / "api_pb2_service.cpp")
         exec_clang_format(root / "api_pb2.h")
         exec_clang_format(root / "api_pb2.cpp")
-        exec_clang_format(root / "api_pb2_dump.h")
         exec_clang_format(root / "api_pb2_dump.cpp")
     except ImportError:
         pass

script/ci-custom.py

@@ -270,7 +270,7 @@ def lint_newline(fname):
     return "File contains Windows newline. Please set your editor to Unix newline mode."
 
 
-@lint_content_check(exclude=["*.svg"])
+@lint_content_check(exclude=["*.svg", ".clang-tidy.hash"])
 def lint_end_newline(fname, content):
     if content and not content.endswith("\n"):
         return "File does not end with a newline, please add an empty line at the end of the file."

script/clang-tidy

@@ -22,6 +22,7 @@ from helpers import (
     git_ls_files,
     load_idedata,
     print_error_for_file,
+    print_file_list,
     root_path,
     temp_header_file,
 )
@@ -218,13 +219,14 @@ def main():
     )
     args = parser.parse_args()
 
-    idedata = load_idedata(args.environment)
-    options = clang_options(idedata)
-
     files = []
     for path in git_ls_files(["*.cpp"]):
         files.append(os.path.relpath(path, os.getcwd()))
 
+    # Print initial file count if it's large
+    if len(files) > 50:
+        print(f"Found {len(files)} total files to process")
+
     if args.files:
         # Match against files specified on command-line
         file_name_re = re.compile("|".join(args.files))
@@ -240,10 +242,28 @@ def main():
 
     if args.split_num:
         files = split_list(files, args.split_num)[args.split_at - 1]
+        print(f"Split {args.split_at}/{args.split_num}: checking {len(files)} files")
 
+    # Print file count before adding header file
+    print(f"\nTotal files to check: {len(files)}")
+
+    # Early exit if no files to check
+    if not files:
+        print("No files to check - exiting early")
+        return 0
+
+    # Only build header file if we have actual files to check
     if args.all_headers and args.split_at in (None, 1):
         build_all_include()
         files.insert(0, temp_header_file)
+        print(f"Added all-include header file, new total: {len(files)}")
+
+    # Print final file list before loading idedata
+    print_file_list(files, "Final files to process:")
+
+    # Load idedata and options only if we have files to check
+    idedata = load_idedata(args.environment)
+    options = clang_options(idedata)
 
     tmpdir = None
     if args.fix:

script/clang_tidy_hash.py

@@ -0,0 +1,188 @@
+#!/usr/bin/env python3
+"""Calculate and manage hash for clang-tidy configuration."""
+
+from __future__ import annotations
+
+import argparse
+import hashlib
+from pathlib import Path
+import re
+import sys
+
+# Add the script directory to path to import helpers
+script_dir = Path(__file__).parent
+sys.path.insert(0, str(script_dir))
+
+
+def read_file_lines(path: Path) -> list[str]:
+    """Read lines from a file."""
+    with open(path) as f:
+        return f.readlines()
+
+
+def parse_requirement_line(line: str) -> tuple[str, str] | None:
+    """Parse a requirement line and return (package, original_line) or None.
+
+    Handles formats like:
+    - package==1.2.3
+    - package==1.2.3  # comment
+    - package>=1.2.3,<2.0.0
+    """
+    original_line = line.strip()
+
+    # Extract the part before any comment for parsing
+    parse_line = line
+    if "#" in parse_line:
+        parse_line = parse_line[: parse_line.index("#")]
+
+    parse_line = parse_line.strip()
+    if not parse_line:
+        return None
+
+    # Use regex to extract package name
+    # This matches package names followed by version operators
+    match = re.match(r"^([a-zA-Z0-9_-]+)(==|>=|<=|>|<|!=|~=)(.+)$", parse_line)
+    if match:
+        return (match.group(1), original_line)  # Return package name and original line
+
+    return None
+
+
+def get_clang_tidy_version_from_requirements() -> str:
+    """Get clang-tidy version from requirements_dev.txt"""
+    requirements_path = Path(__file__).parent.parent / "requirements_dev.txt"
+    lines = read_file_lines(requirements_path)
+
+    for line in lines:
+        parsed = parse_requirement_line(line)
+        if parsed and parsed[0] == "clang-tidy":
+            # Return the original line (preserves comments)
+            return parsed[1]
+
+    return "clang-tidy version not found"
+
+
+def extract_platformio_flags() -> str:
+    """Extract clang-tidy related flags from platformio.ini"""
+    flags: list[str] = []
+    in_clangtidy_section = False
+
+    platformio_path = Path(__file__).parent.parent / "platformio.ini"
+    lines = read_file_lines(platformio_path)
+    for line in lines:
+        line = line.strip()
+        if line.startswith("[flags:clangtidy]"):
+            in_clangtidy_section = True
+            continue
+        elif line.startswith("[") and in_clangtidy_section:
+            break
+        elif in_clangtidy_section and line and not line.startswith("#"):
+            flags.append(line)
+
+    return "\n".join(sorted(flags))
+
+
+def read_file_bytes(path: Path) -> bytes:
+    """Read bytes from a file."""
+    with open(path, "rb") as f:
+        return f.read()
+
+
+def calculate_clang_tidy_hash() -> str:
+    """Calculate hash of clang-tidy configuration and version"""
+    hasher = hashlib.sha256()
+
+    # Hash .clang-tidy file
+    clang_tidy_path = Path(__file__).parent.parent / ".clang-tidy"
+    content = read_file_bytes(clang_tidy_path)
+    hasher.update(content)
+
+    # Hash clang-tidy version from requirements_dev.txt
+    version = get_clang_tidy_version_from_requirements()
+    hasher.update(version.encode())
+
+    # Hash relevant platformio.ini sections
+    pio_flags = extract_platformio_flags()
+    hasher.update(pio_flags.encode())
+
+    return hasher.hexdigest()
+
+
+def read_stored_hash() -> str | None:
+    """Read the stored hash from file"""
+    hash_file = Path(__file__).parent.parent / ".clang-tidy.hash"
+    if hash_file.exists():
+        lines = read_file_lines(hash_file)
+        return lines[0].strip() if lines else None
+    return None
+
+
+def write_file_content(path: Path, content: str) -> None:
+    """Write content to a file."""
+    with open(path, "w") as f:
+        f.write(content)
+
+
+def write_hash(hash_value: str) -> None:
+    """Write hash to file"""
+    hash_file = Path(__file__).parent.parent / ".clang-tidy.hash"
+    write_file_content(hash_file, hash_value)
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Manage clang-tidy configuration hash")
+    parser.add_argument(
+        "--check",
+        action="store_true",
+        help="Check if full scan needed (exit 0 if needed)",
+    )
+    parser.add_argument("--update", action="store_true", help="Update the hash file")
+    parser.add_argument(
+        "--update-if-changed",
+        action="store_true",
+        help="Update hash only if configuration changed (for pre-commit)",
+    )
+    parser.add_argument(
+        "--verify", action="store_true", help="Verify hash matches (for CI)"
+    )
+
+    args = parser.parse_args()
+
+    current_hash = calculate_clang_tidy_hash()
+    stored_hash = read_stored_hash()
+
+    if args.check:
+        # Exit 0 if full scan needed (hash changed or no hash file)
+        sys.exit(0 if current_hash != stored_hash else 1)
+
+    elif args.update:
+        write_hash(current_hash)
+        print(f"Hash updated: {current_hash}")
+
+    elif args.update_if_changed:
+        if current_hash != stored_hash:
+            write_hash(current_hash)
+            print(f"Clang-tidy hash updated: {current_hash}")
+            # Exit 0 so pre-commit can stage the file
+            sys.exit(0)
+        else:
+            print("Clang-tidy hash unchanged")
+            sys.exit(0)
+
+    elif args.verify:
+        if current_hash != stored_hash:
+            print("ERROR: Clang-tidy configuration has changed but hash not updated!")
+            print(f"Expected: {current_hash}")
+            print(f"Found: {stored_hash}")
+            print("\nPlease run: script/clang_tidy_hash.py --update")
+            sys.exit(1)
+        print("Hash verification passed")
+
+    else:
+        print(f"Current hash: {current_hash}")
+        print(f"Stored hash: {stored_hash}")
+        print(f"Match: {current_hash == stored_hash}")
+
+
+if __name__ == "__main__":
+    main()

script/determine-jobs.py

@@ -0,0 +1,245 @@
+#!/usr/bin/env python3
+"""Determine which CI jobs should run based on changed files.
+
+This script is a centralized way to determine which CI jobs need to run based on
+what files have changed. It outputs JSON with the following structure:
+
+{
+  "integration_tests": true/false,
+  "clang_tidy": true/false,
+  "clang_format": true/false,
+  "python_linters": true/false,
+  "changed_components": ["component1", "component2", ...],
+  "component_test_count": 5
+}
+
+The CI workflow uses this information to:
+- Skip or run integration tests
+- Skip or run clang-tidy (and whether to do a full scan)
+- Skip or run clang-format
+- Skip or run Python linters (ruff, flake8, pylint, pyupgrade)
+- Determine which components to test individually
+- Decide how to split component tests (if there are many)
+
+Usage:
+  python script/determine-jobs.py [-b BRANCH]
+
+Options:
+  -b, --branch BRANCH  Branch to compare against (default: dev)
+"""
+
+from __future__ import annotations
+
+import argparse
+import json
+import os
+from pathlib import Path
+import subprocess
+import sys
+from typing import Any
+
+from helpers import (
+    CPP_FILE_EXTENSIONS,
+    ESPHOME_COMPONENTS_PATH,
+    PYTHON_FILE_EXTENSIONS,
+    changed_files,
+    get_all_dependencies,
+    get_components_from_integration_fixtures,
+    parse_list_components_output,
+    root_path,
+)
+
+
+def should_run_integration_tests(branch: str | None = None) -> bool:
+    """Determine if integration tests should run based on changed files.
+
+    This function is used by the CI workflow to intelligently skip integration tests when they're
+    not needed, saving significant CI time and resources.
+
+    Integration tests will run when ANY of the following conditions are met:
+
+    1. Core C++ files changed (esphome/core/*)
+       - Any .cpp, .h, .tcc files in the core directory
+       - These files contain fundamental functionality used throughout ESPHome
+       - Examples: esphome/core/component.cpp, esphome/core/application.h
+
+    2. Core Python files changed (esphome/core/*.py)
+       - Only .py files in the esphome/core/ directory
+       - These are core Python files that affect the entire system
+       - Examples: esphome/core/config.py, esphome/core/__init__.py
+       - NOT included: esphome/*.py, esphome/dashboard/*.py, esphome/components/*/*.py
+
+    3. Integration test files changed
+       - Any file in tests/integration/ directory
+       - This includes test files themselves and fixture YAML files
+       - Examples: tests/integration/test_api.py, tests/integration/fixtures/api.yaml
+
+    4. Components used by integration tests (or their dependencies) changed
+       - The function parses all YAML files in tests/integration/fixtures/
+       - Extracts which components are used in integration tests
+       - Recursively finds all dependencies of those components
+       - If any of these components have changes, tests must run
+       - Example: If api.yaml uses 'sensor' and 'api' components, and 'api' depends on 'socket',
+         then changes to sensor/, api/, or socket/ components trigger tests
+
+    Args:
+        branch: Branch to compare against. If None, uses default.
+
+    Returns:
+        True if integration tests should run, False otherwise.
+    """
+    files = changed_files(branch)
+
+    # Check if any core files changed (esphome/core/*)
+    for file in files:
+        if file.startswith("esphome/core/"):
+            return True
+
+    # Check if any integration test files changed
+    if any("tests/integration" in file for file in files):
+        return True
+
+    # Get all components used in integration tests and their dependencies
+    fixture_components = get_components_from_integration_fixtures()
+    all_required_components = get_all_dependencies(fixture_components)
+
+    # Check if any required components changed
+    for file in files:
+        if file.startswith(ESPHOME_COMPONENTS_PATH):
+            parts = file.split("/")
+            if len(parts) >= 3:
+                component = parts[2]
+                if component in all_required_components:
+                    return True
+
+    return False
+
+
+def should_run_clang_tidy(branch: str | None = None) -> bool:
+    """Determine if clang-tidy should run based on changed files.
+
+    This function is used by the CI workflow to intelligently skip clang-tidy checks when they're
+    not needed, saving significant CI time and resources.
+
+    Clang-tidy will run when ANY of the following conditions are met:
+
+    1. Clang-tidy configuration changed
+       - The hash of .clang-tidy configuration file has changed
+       - The hash includes the .clang-tidy file, clang-tidy version from requirements_dev.txt,
+         and relevant platformio.ini sections
+       - When configuration changes, a full scan is needed to ensure all code complies
+         with the new rules
+       - Detected by script/clang_tidy_hash.py --check returning exit code 0
+
+    2. Any C++ source files changed
+       - Any file with C++ extensions: .cpp, .h, .hpp, .cc, .cxx, .c, .tcc
+       - Includes files anywhere in the repository, not just in esphome/
+       - This ensures all C++ code is checked, including tests, examples, etc.
+       - Examples: esphome/core/component.cpp, tests/custom/my_component.h
+
+    If the hash check fails for any reason, clang-tidy runs as a safety measure to ensure
+    code quality is maintained.
+
+    Args:
+        branch: Branch to compare against. If None, uses default.
+
+    Returns:
+        True if clang-tidy should run, False otherwise.
+    """
+    # First check if clang-tidy configuration changed (full scan needed)
+    try:
+        result = subprocess.run(
+            [os.path.join(root_path, "script", "clang_tidy_hash.py"), "--check"],
+            capture_output=True,
+            check=False,
+        )
+        # Exit 0 means hash changed (full scan needed)
+        if result.returncode == 0:
+            return True
+    except Exception:
+        # If hash check fails, run clang-tidy to be safe
+        return True
+
+    return _any_changed_file_endswith(branch, CPP_FILE_EXTENSIONS)
+
+
+def should_run_clang_format(branch: str | None = None) -> bool:
+    """Determine if clang-format should run based on changed files.
+
+    This function is used by the CI workflow to skip clang-format checks when no C++ files
+    have changed, saving CI time and resources.
+
+    Clang-format will run when any C++ source files have changed.
+
+    Args:
+        branch: Branch to compare against. If None, uses default.
+
+    Returns:
+        True if clang-format should run, False otherwise.
+    """
+    return _any_changed_file_endswith(branch, CPP_FILE_EXTENSIONS)
+
+
+def should_run_python_linters(branch: str | None = None) -> bool:
+    """Determine if Python linters (ruff, flake8, pylint, pyupgrade) should run based on changed files.
+
+    This function is used by the CI workflow to skip Python linting checks when no Python files
+    have changed, saving CI time and resources.
+
+    Python linters will run when any Python source files have changed.
+
+    Args:
+        branch: Branch to compare against. If None, uses default.
+
+    Returns:
+        True if Python linters should run, False otherwise.
+    """
+    return _any_changed_file_endswith(branch, PYTHON_FILE_EXTENSIONS)
+
+
+def _any_changed_file_endswith(branch: str | None, extensions: tuple[str, ...]) -> bool:
+    """Check if a changed file ends with any of the specified extensions."""
+    return any(file.endswith(extensions) for file in changed_files(branch))
+
+
+def main() -> None:
+    """Main function that determines which CI jobs to run."""
+    parser = argparse.ArgumentParser(
+        description="Determine which CI jobs should run based on changed files"
+    )
+    parser.add_argument(
+        "-b", "--branch", help="Branch to compare changed files against"
+    )
+    args = parser.parse_args()
+
+    # Determine what should run
+    run_integration = should_run_integration_tests(args.branch)
+    run_clang_tidy = should_run_clang_tidy(args.branch)
+    run_clang_format = should_run_clang_format(args.branch)
+    run_python_linters = should_run_python_linters(args.branch)
+
+    # Get changed components using list-components.py for exact compatibility
+    script_path = Path(__file__).parent / "list-components.py"
+    cmd = [sys.executable, str(script_path), "--changed"]
+    if args.branch:
+        cmd.extend(["-b", args.branch])
+
+    result = subprocess.run(cmd, capture_output=True, text=True, check=True)
+    changed_components = parse_list_components_output(result.stdout)
+
+    # Build output
+    output: dict[str, Any] = {
+        "integration_tests": run_integration,
+        "clang_tidy": run_clang_tidy,
+        "clang_format": run_clang_format,
+        "python_linters": run_python_linters,
+        "changed_components": changed_components,
+        "component_test_count": len(changed_components),
+    }
+
+    # Output as JSON
+    print(json.dumps(output))
+
+
+if __name__ == "__main__":
+    main()

script/helpers.py

@@ -1,8 +1,14 @@
+from __future__ import annotations
+
+from functools import cache
 import json
+import os
 import os.path
 from pathlib import Path
 import re
 import subprocess
+import time
+from typing import Any
 
 import colorama
 
@@ -11,14 +17,42 @@ basepath = os.path.join(root_path, "esphome")
 temp_folder = os.path.join(root_path, ".temp")
 temp_header_file = os.path.join(temp_folder, "all-include.cpp")
 
+# C++ file extensions used for clang-tidy and clang-format checks
+CPP_FILE_EXTENSIONS = (".cpp", ".h", ".hpp", ".cc", ".cxx", ".c", ".tcc")
 
-def styled(color, msg, reset=True):
+# Python file extensions
+PYTHON_FILE_EXTENSIONS = (".py", ".pyi")
+
+# YAML file extensions
+YAML_FILE_EXTENSIONS = (".yaml", ".yml")
+
+# Component path prefix
+ESPHOME_COMPONENTS_PATH = "esphome/components/"
+
+
+def parse_list_components_output(output: str) -> list[str]:
+    """Parse the output from list-components.py script.
+
+    The script outputs one component name per line.
+
+    Args:
+        output: The stdout from list-components.py
+
+    Returns:
+        List of component names, or empty list if no output
+    """
+    if not output or not output.strip():
+        return []
+    return [c.strip() for c in output.strip().split("\n") if c.strip()]
+
+
+def styled(color: str | tuple[str, ...], msg: str, reset: bool = True) -> str:
     prefix = "".join(color) if isinstance(color, tuple) else color
     suffix = colorama.Style.RESET_ALL if reset else ""
     return prefix + msg + suffix
 
 
-def print_error_for_file(file, body):
+def print_error_for_file(file: str, body: str | None) -> None:
     print(
         styled(colorama.Fore.GREEN, "### File ")
         + styled((colorama.Fore.GREEN, colorama.Style.BRIGHT), file)
@@ -29,17 +63,22 @@ def print_error_for_file(file, body):
         print()
 
 
-def build_all_include():
+def build_all_include() -> None:
     # Build a cpp file that includes all header files in this repo.
     # Otherwise header-only integrations would not be tested by clang-tidy
-    headers = []
+
-    for path in walk_files(basepath):
+    # Use git ls-files to find all .h files in the esphome directory
-        filetypes = (".h",)
+    # This is much faster than walking the filesystem
-        ext = os.path.splitext(path)[1]
+    cmd = ["git", "ls-files", "esphome/**/*.h"]
-        if ext in filetypes:
+    proc = subprocess.run(cmd, capture_output=True, text=True, check=True)
-            path = os.path.relpath(path, root_path)
+
-            include_p = path.replace(os.path.sep, "/")
+    # Process git output - git already returns paths relative to repo root
-            headers.append(f'#include "{include_p}"')
+    headers = [
+        f'#include "{include_p}"'
+        for line in proc.stdout.strip().split("\n")
+        if (include_p := line.replace(os.path.sep, "/"))
+    ]
+
     headers.sort()
     headers.append("")
     content = "\n".join(headers)
@@ -48,29 +87,87 @@ def build_all_include():
     p.write_text(content, encoding="utf-8")
 
 
-def walk_files(path):
+def get_output(*args: str) -> str:
-    for root, _, files in os.walk(path):
-        for name in files:
-            yield os.path.join(root, name)
-
-
-def get_output(*args):
     with subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE) as proc:
         output, _ = proc.communicate()
     return output.decode("utf-8")
 
 
-def get_err(*args):
+def get_err(*args: str) -> str:
     with subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE) as proc:
         _, err = proc.communicate()
     return err.decode("utf-8")
 
 
-def splitlines_no_ends(string):
+def splitlines_no_ends(string: str) -> list[str]:
     return [s.strip() for s in string.splitlines()]
 
 
-def changed_files(branch="dev"):
+def _get_pr_number_from_github_env() -> str | None:
+    """Extract PR number from GitHub environment variables.
+
+    Returns:
+        PR number as string, or None if not found
+    """
+    # First try parsing GITHUB_REF (fastest)
+    github_ref = os.environ.get("GITHUB_REF", "")
+    if "/pull/" in github_ref:
+        return github_ref.split("/pull/")[1].split("/")[0]
+
+    # Fallback to GitHub event file
+    github_event_path = os.environ.get("GITHUB_EVENT_PATH")
+    if github_event_path and os.path.exists(github_event_path):
+        with open(github_event_path) as f:
+            event_data = json.load(f)
+            pr_data = event_data.get("pull_request", {})
+            if pr_number := pr_data.get("number"):
+                return str(pr_number)
+
+    return None
+
+
+@cache
+def _get_changed_files_github_actions() -> list[str] | None:
+    """Get changed files in GitHub Actions environment.
+
+    Returns:
+        List of changed files, or None if should fall back to git method
+    """
+    event_name = os.environ.get("GITHUB_EVENT_NAME")
+
+    # For pull requests
+    if event_name == "pull_request":
+        pr_number = _get_pr_number_from_github_env()
+        if pr_number:
+            # Use GitHub CLI to get changed files directly
+            cmd = ["gh", "pr", "diff", pr_number, "--name-only"]
+            return _get_changed_files_from_command(cmd)
+
+    # For pushes (including squash-and-merge)
+    elif event_name == "push":
+        # For push events, we want to check what changed in this commit
+        try:
+            # Get the changed files in the last commit
+            return _get_changed_files_from_command(
+                ["git", "diff", "HEAD~1..HEAD", "--name-only"]
+            )
+        except:  # noqa: E722
+            # Fall back to the original method if this fails
+            pass
+
+    return None
+
+
+def changed_files(branch: str | None = None) -> list[str]:
+    # In GitHub Actions, we can use the API to get changed files more efficiently
+    if os.environ.get("GITHUB_ACTIONS") == "true":
+        github_files = _get_changed_files_github_actions()
+        if github_files is not None:
+            return github_files
+
+    # Original implementation for local development
+    if not branch:  # Treat None and empty string the same
+        branch = "dev"
     check_remotes = ["upstream", "origin"]
     check_remotes.extend(splitlines_no_ends(get_output("git", "remote")))
     for remote in check_remotes:
@@ -83,25 +180,165 @@ def changed_files(branch="dev"):
             pass
     else:
         raise ValueError("Git not configured")
-    command = ["git", "diff", merge_base, "--name-only"]
+    return _get_changed_files_from_command(["git", "diff", merge_base, "--name-only"])
-    changed = splitlines_no_ends(get_output(*command))
-    changed = [os.path.relpath(f, os.getcwd()) for f in changed]
-    changed.sort()
-    return changed
 
 
-def filter_changed(files):
+def _get_changed_files_from_command(command: list[str]) -> list[str]:
+    """Run a git command to get changed files and return them as a list."""
+    proc = subprocess.run(command, capture_output=True, text=True, check=False)
+    if proc.returncode != 0:
+        raise Exception(f"Command failed: {' '.join(command)}\nstderr: {proc.stderr}")
+
+    changed_files = splitlines_no_ends(proc.stdout)
+    changed_files = [os.path.relpath(f, os.getcwd()) for f in changed_files if f]
+    changed_files.sort()
+    return changed_files
+
+
+def get_changed_components() -> list[str] | None:
+    """Get list of changed components using list-components.py script.
+
+    This function:
+    1. First checks if any core C++/header files (esphome/core/*.{cpp,h,hpp,cc,cxx,c}) changed - if so, returns None
+    2. Otherwise delegates to ./script/list-components.py --changed which:
+       - Analyzes all changed files
+       - Determines which components are affected (including dependencies)
+       - Returns a list of component names that need to be checked
+
+    Returns:
+        - None: Core C++/header files changed, need full scan
+        - Empty list: No components changed (only non-component files changed)
+        - List of strings: Names of components that need checking (e.g., ["wifi", "mqtt"])
+    """
+    # Check if any core C++ or header files changed first
     changed = changed_files()
-    files = [f for f in files if f in changed]
+    core_cpp_changed = any(
-    print("Changed files:")
+        f.startswith("esphome/core/")
-    if not files:
+        and f.endswith(CPP_FILE_EXTENSIONS[:-1])  # Exclude .tcc for core files
-        print("    No changed files!")
+        for f in changed
-    for c in files:
+    )
-        print(f"    {c}")
+    if core_cpp_changed:
+        print("Core C++/header files changed - will run full clang-tidy scan")
+        return None
+
+    # Use list-components.py to get changed components
+    script_path = os.path.join(root_path, "script", "list-components.py")
+    cmd = [script_path, "--changed"]
+
+    try:
+        result = subprocess.run(
+            cmd, capture_output=True, text=True, check=True, close_fds=False
+        )
+        return parse_list_components_output(result.stdout)
+    except subprocess.CalledProcessError:
+        # If the script fails, fall back to full scan
+        print("Could not determine changed components - will run full clang-tidy scan")
+        return None
+
+
+def _filter_changed_ci(files: list[str]) -> list[str]:
+    """Filter files based on changed components in CI environment.
+
+    This function implements intelligent filtering to reduce CI runtime by only
+    checking files that could be affected by the changes. It handles three scenarios:
+
+    1. Core C++/header files changed (returns None from get_changed_components):
+       - Triggered when any C++/header file in esphome/core/ is modified
+       - Action: Check ALL files (full scan)
+       - Reason: Core C++/header files are used throughout the codebase
+
+    2. No components changed (returns empty list from get_changed_components):
+       - Triggered when only non-component files changed (e.g., scripts, configs)
+       - Action: Check only the specific non-component files that changed
+       - Example: If only script/clang-tidy changed, only check that file
+
+    3. Specific components changed (returns list of component names):
+       - Component detection done by: ./script/list-components.py --changed
+       - That script analyzes which components are affected by the changed files
+         INCLUDING their dependencies
+       - Action: Check ALL files in each component that list-components.py identifies
+       - Example: If wifi.cpp changed, list-components.py might return ["wifi", "network"]
+                 if network depends on wifi. We then check ALL files in both
+                 esphome/components/wifi/ and esphome/components/network/
+       - Reason: Component files often have interdependencies (headers, base classes)
+
+    Args:
+        files: List of all files that clang-tidy would normally check
+
+    Returns:
+        Filtered list of files to check
+    """
+    components = get_changed_components()
+    if components is None:
+        # Scenario 1: Core files changed or couldn't determine components
+        # Action: Return all files for full scan
+        return files
+
+    if not components:
+        # Scenario 2: No components changed - only non-component files changed
+        # Action: Check only the specific non-component files that changed
+        changed = changed_files()
+        files = [
+            f
+            for f in files
+            if f in changed and not f.startswith(ESPHOME_COMPONENTS_PATH)
+        ]
+        if not files:
+            print("No files changed")
+        return files
+
+    # Scenario 3: Specific components changed
+    # Action: Check ALL files in each changed component
+    # Convert component list to set for O(1) lookups
+    component_set = set(components)
+    print(f"Changed components: {', '.join(sorted(components))}")
+
+    # The 'files' parameter contains ALL files in the codebase that clang-tidy would check.
+    # We filter this down to only files in the changed components.
+    # We check ALL files in each changed component (not just the changed files)
+    # because changes in one file can affect other files in the same component.
+    filtered_files = []
+    for f in files:
+        if f.startswith(ESPHOME_COMPONENTS_PATH):
+            # Check if file belongs to any of the changed components
+            parts = f.split("/")
+            if len(parts) >= 3 and parts[2] in component_set:
+                filtered_files.append(f)
+
+    return filtered_files
+
+
+def _filter_changed_local(files: list[str]) -> list[str]:
+    """Filter files based on git changes for local development.
+
+    Args:
+        files: List of all files to filter
+
+    Returns:
+        Filtered list of files to check
+    """
+    # For local development, just check changed files directly
+    changed = changed_files()
+    return [f for f in files if f in changed]
+
+
+def filter_changed(files: list[str]) -> list[str]:
+    """Filter files to only those that changed or are in changed components.
+
+    Args:
+        files: List of files to filter
+    """
+    # When running from CI, use component-based filtering
+    if os.environ.get("GITHUB_ACTIONS") == "true":
+        files = _filter_changed_ci(files)
+    else:
+        files = _filter_changed_local(files)
+
+    print_file_list(files, "Files to check after filtering:")
     return files
 
 
-def filter_grep(files, value):
+def filter_grep(files: list[str], value: str) -> list[str]:
     matched = []
     for file in files:
         with open(file, encoding="utf-8") as handle:
@@ -111,7 +348,7 @@ def filter_grep(files, value):
     return matched
 
 
-def git_ls_files(patterns=None):
+def git_ls_files(patterns: list[str] | None = None) -> dict[str, int]:
     command = ["git", "ls-files", "-s"]
     if patterns is not None:
         command.extend(patterns)
@@ -121,7 +358,10 @@ def git_ls_files(patterns=None):
     return {s[3].strip(): int(s[0]) for s in lines}
 
 
-def load_idedata(environment):
+def load_idedata(environment: str) -> dict[str, Any]:
+    start_time = time.time()
+    print(f"Loading IDE data for environment '{environment}'...")
+
     platformio_ini = Path(root_path) / "platformio.ini"
     temp_idedata = Path(temp_folder) / f"idedata-{environment}.json"
     changed = False
@@ -142,7 +382,10 @@ def load_idedata(environment):
             changed = True
 
     if not changed:
-        return json.loads(temp_idedata.read_text())
+        data = json.loads(temp_idedata.read_text())
+        elapsed = time.time() - start_time
+        print(f"IDE data loaded from cache in {elapsed:.2f} seconds")
+        return data
 
     # ensure temp directory exists before running pio, as it writes sdkconfig to it
     Path(temp_folder).mkdir(exist_ok=True)
@@ -158,6 +401,9 @@ def load_idedata(environment):
         match = re.search(r'{\s*".*}', stdout.decode("utf-8"))
         data = json.loads(match.group())
     temp_idedata.write_text(json.dumps(data, indent=2) + "\n")
+
+    elapsed = time.time() - start_time
+    print(f"IDE data generated and cached in {elapsed:.2f} seconds")
     return data
 
 
@@ -196,6 +442,29 @@ def get_binary(name: str, version: str) -> str:
         raise
 
 
+def print_file_list(
+    files: list[str], title: str = "Files:", max_files: int = 20
+) -> None:
+    """Print a list of files with optional truncation for large lists.
+
+    Args:
+        files: List of file paths to print
+        title: Title to print before the list
+        max_files: Maximum number of files to show before truncating (default: 20)
+    """
+    print(title)
+    if not files:
+        print("    No files to check!")
+    elif len(files) <= max_files:
+        for f in sorted(files):
+            print(f"    {f}")
+    else:
+        sorted_files = sorted(files)
+        for f in sorted_files[:10]:
+            print(f"    {f}")
+        print(f"    ... and {len(files) - 10} more files")
+
+
 def get_usable_cpu_count() -> int:
     """Return the number of CPUs that can be used for processes.
 
@@ -205,3 +474,83 @@ def get_usable_cpu_count() -> int:
     return (
         os.process_cpu_count() if hasattr(os, "process_cpu_count") else os.cpu_count()
     )
+
+
+def get_all_dependencies(component_names: set[str]) -> set[str]:
+    """Get all dependencies for a set of components.
+
+    Args:
+        component_names: Set of component names to get dependencies for
+
+    Returns:
+        Set of all components including dependencies and auto-loaded components
+    """
+    from esphome.const import KEY_CORE
+    from esphome.core import CORE
+    from esphome.loader import get_component
+
+    all_components: set[str] = set(component_names)
+
+    # Reset CORE to ensure clean state
+    CORE.reset()
+
+    # Set up fake config path for component loading
+    root = Path(__file__).parent.parent
+    CORE.config_path = str(root)
+    CORE.data[KEY_CORE] = {}
+
+    # Keep finding dependencies until no new ones are found
+    while True:
+        new_components: set[str] = set()
+
+        for comp_name in all_components:
+            comp = get_component(comp_name)
+            if not comp:
+                continue
+
+            # Add dependencies (extract component name before '.')
+            new_components.update(dep.split(".")[0] for dep in comp.dependencies)
+
+            # Add auto_load components
+            new_components.update(comp.auto_load)
+
+        # Check if we found any new components
+        new_components -= all_components
+        if not new_components:
+            break
+
+        all_components.update(new_components)
+
+    return all_components
+
+
+def get_components_from_integration_fixtures() -> set[str]:
+    """Extract all components used in integration test fixtures.
+
+    Returns:
+        Set of component names used in integration test fixtures
+    """
+    import yaml
+
+    components: set[str] = set()
+    fixtures_dir = Path(__file__).parent.parent / "tests" / "integration" / "fixtures"
+
+    for yaml_file in fixtures_dir.glob("*.yaml"):
+        with open(yaml_file) as f:
+            config: dict[str, any] | None = yaml.safe_load(f)
+            if not config:
+                continue
+
+            # Add all top-level component keys
+            components.update(config.keys())
+
+            # Add platform components (e.g., output.template)
+            for value in config.values():
+                if not isinstance(value, list):
+                    continue
+
+                for item in value:
+                    if isinstance(item, dict) and "platform" in item:
+                        components.add(item["platform"])
+
+    return components

script/list-components.py

@@ -20,6 +20,12 @@ def filter_component_files(str):
     return str.startswith("esphome/components/") | str.startswith("tests/components/")
 
 
+def get_all_component_files() -> list[str]:
+    """Get all component files from git."""
+    files = git_ls_files()
+    return list(filter(filter_component_files, files))
+
+
 def extract_component_names_array_from_files_array(files):
     components = []
     for file in files:
@@ -165,17 +171,20 @@ def main():
     if args.branch and not args.changed:
         parser.error("--branch requires --changed")
 
-    files = git_ls_files()
-    files = filter(filter_component_files, files)
-
     if args.changed:
-        if args.branch:
+        # When --changed is passed, only get the changed files
-            changed = changed_files(args.branch)
+        changed = changed_files(args.branch)
-        else:
+
-            changed = changed_files()
         # If any base test file(s) changed, there's no need to filter out components
-        if not any("tests/test_build_components" in file for file in changed):
+        if any("tests/test_build_components" in file for file in changed):
-            files = [f for f in files if f in changed]
+            # Need to get all component files
+            files = get_all_component_files()
+        else:
+            # Only look at changed component files
+            files = [f for f in changed if filter_component_files(f)]
+    else:
+        # Get all component files
+        files = get_all_component_files()
 
     for c in get_components(files, args.changed):
         print(c)

tests/components/gl_r01_i2c/common.yaml

@@ -0,0 +1,12 @@
+i2c:
+  - id: i2c_gl_r01_i2c
+    scl: ${scl_pin}
+    sda: ${sda_pin}
+
+sensor:
+  - platform: gl_r01_i2c
+    id: tof
+    name: "ToF sensor"
+    i2c_id: i2c_gl_r01_i2c
+    address: 0x74
+    update_interval: 15s

tests/components/gl_r01_i2c/test.esp32-ard.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  scl_pin: GPIO16
+  sda_pin: GPIO17
+
+<<: !include common.yaml

tests/components/gl_r01_i2c/test.esp32-c3-ard.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  scl_pin: GPIO5
+  sda_pin: GPIO4
+
+<<: !include common.yaml

tests/components/gl_r01_i2c/test.esp32-c3-idf.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  scl_pin: GPIO5
+  sda_pin: GPIO4
+
+<<: !include common.yaml

tests/components/gl_r01_i2c/test.esp32-idf.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  scl_pin: GPIO16
+  sda_pin: GPIO17
+
+<<: !include common.yaml

tests/components/gl_r01_i2c/test.esp8266-ard.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  scl_pin: GPIO5
+  sda_pin: GPIO4
+
+<<: !include common.yaml

tests/components/gl_r01_i2c/test.rp2040-ard.yaml

@@ -0,0 +1,5 @@
+substitutions:
+  scl_pin: GPIO5
+  sda_pin: GPIO4
+
+<<: !include common.yaml

tests/components/lps22/common.yaml

@@ -0,0 +1,8 @@
+sensor:
+  - platform: lps22
+    address: 0x5d
+    update_interval: 10s
+    temperature:
+      name: "LPS22 Temperature"
+    pressure:
+      name: "LPS22 Pressure"

tests/components/lps22/test.esp32-ard.yaml

@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_lps22
+    scl: 16
+    sda: 17
+
+<<: !include common.yaml

tests/components/lps22/test.esp32-c3-ard.yaml

@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_lps22
+    scl: 5
+    sda: 4
+
+<<: !include common.yaml

tests/components/lps22/test.esp32-c3-idf.yaml

@@ -0,0 +1,6 @@
+i2c:
+  - id: i2c_lps22
+    scl: 5
+    sda: 4
+
+<<: !include common.yaml