DNM: ci testing

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.ai/instructions.md

@@ -186,6 +186,11 @@ This document provides essential context for AI models interacting with this pro
         └── components/[component]/ # Component-specific tests
         ```
         Run them using `script/test_build_components`. Use `-c <component>` to test specific components and `-t <target>` for specific platforms.
+    *   **Testing All Components Together:** To verify that all components can be tested together without ID conflicts or configuration issues, use:
+        ```bash
+        ./script/test_component_grouping.py -e config --all
+        ```
+        This tests all components in a single build to catch conflicts that might not appear when testing components individually. Use `-e config` for fast configuration validation, or `-e compile` for full compilation testing.
 *   **Debugging and Troubleshooting:**
     *   **Debug Tools:**
         - `esphome config <file>.yaml` to validate configuration.

.clang-tidy.hash

@@ -1 +1 @@
-4368db58e8f884aff245996b1e8b644cc0796c0bb2fa706d5740d40b823d3ac9
+049d60eed541730efaa4c0dc5d337b4287bf29b6daa350b5dfc1f23915f1c52f

.github/actions/build-image/action.yaml

@@ -47,7 +47,7 @@ runs:
 
     - name: Build and push to ghcr by digest
       id: build-ghcr
-      uses: docker/build-push-action@v6.18.0
+      uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
       env:
         DOCKER_BUILD_SUMMARY: false
         DOCKER_BUILD_RECORD_UPLOAD: false
@@ -73,7 +73,7 @@ runs:
 
     - name: Build and push to dockerhub by digest
       id: build-dockerhub
-      uses: docker/build-push-action@v6.18.0
+      uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
       env:
         DOCKER_BUILD_SUMMARY: false
         DOCKER_BUILD_RECORD_UPLOAD: false

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

@@ -17,12 +17,12 @@ runs:
   steps:
     - name: Set up Python ${{ inputs.python-version }}
       id: python
-      uses: actions/setup-python@v6.0.0
+      uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
       with:
         python-version: ${{ inputs.python-version }}
     - name: Restore Python virtual environment
       id: cache-venv
-      uses: actions/cache/restore@v4.2.4
+      uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
       with:
         path: venv
         # yamllint disable-line rule:line-length

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

@@ -22,17 +22,17 @@ jobs:
     if: github.event.action != 'labeled' || github.event.sender.type != 'Bot'
     steps:
       - name: Checkout
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Generate a token
         id: generate-token
-        uses: actions/create-github-app-token@v2
+        uses: actions/create-github-app-token@67018539274d69449ef7c02e8e71183d1719ab42 # v2
         with:
           app-id: ${{ secrets.ESPHOME_GITHUB_APP_ID }}
           private-key: ${{ secrets.ESPHOME_GITHUB_APP_PRIVATE_KEY }}
 
       - name: Auto Label PR
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           github-token: ${{ steps.generate-token.outputs.token }}
           script: |

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

@@ -21,9 +21,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Set up Python
-        uses: actions/setup-python@v6.0.0
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: "3.11"
 
@@ -47,7 +47,7 @@ jobs:
           fi
       - if: failure()
         name: Review PR
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             await github.rest.pulls.createReview({
@@ -62,7 +62,7 @@ jobs:
         run: git diff
       - if: failure()
         name: Archive artifacts
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: generated-proto-files
           path: |
@@ -70,7 +70,7 @@ jobs:
             esphome/components/api/api_pb2_service.*
       - if: success()
         name: Dismiss review
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             let reviews = await github.rest.pulls.listReviews({

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

@@ -6,6 +6,7 @@ on:
       - ".clang-tidy"
       - "platformio.ini"
       - "requirements_dev.txt"
+      - "sdkconfig.defaults"
       - ".clang-tidy.hash"
       - "script/clang_tidy_hash.py"
       - ".github/workflows/ci-clang-tidy-hash.yml"
@@ -20,10 +21,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Set up Python
-        uses: actions/setup-python@v6.0.0
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: "3.11"
 
@@ -41,7 +42,7 @@ jobs:
 
       - if: failure()
         name: Request changes
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             await github.rest.pulls.createReview({
@@ -54,7 +55,7 @@ jobs:
 
       - if: success()
         name: Dismiss review
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             let reviews = await github.rest.pulls.listReviews({

.github/workflows/ci-docker.yml

@@ -43,13 +43,13 @@ jobs:
           - "docker"
           # - "lint"
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Set up Python
-        uses: actions/setup-python@v6.0.0
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: "3.11"
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.11.1
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Set TAG
         run: |

.github/workflows/ci.yml

@@ -36,18 +36,18 @@ jobs:
       cache-key: ${{ steps.cache-key.outputs.key }}
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Generate cache-key
         id: cache-key
         run: echo key="${{ hashFiles('requirements.txt', 'requirements_test.txt', '.pre-commit-config.yaml') }}" >> $GITHUB_OUTPUT
       - name: Set up Python ${{ env.DEFAULT_PYTHON }}
         id: python
-        uses: actions/setup-python@v6.0.0
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
       - name: Restore Python virtual environment
         id: cache-venv
-        uses: actions/cache@v4.2.4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: venv
           # yamllint disable-line rule:line-length
@@ -70,7 +70,7 @@ jobs:
     if: needs.determine-jobs.outputs.python-linters == 'true'
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -91,7 +91,7 @@ jobs:
       - common
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
@@ -105,6 +105,7 @@ jobs:
           script/ci-custom.py
           script/build_codeowners.py --check
           script/build_language_schema.py --check
+          script/generate-esp32-boards.py --check
 
   pytest:
     name: Run pytest
@@ -136,7 +137,7 @@ jobs:
       - common
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Restore Python
         id: restore-python
         uses: ./.github/actions/restore-python
@@ -156,12 +157,12 @@ jobs:
           . venv/bin/activate
           pytest -vv --cov-report=xml --tb=native -n auto tests --ignore=tests/integration/
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5.5.1
+        uses: codecov/codecov-action@5a1091511ad55cbe89839c7260b706298ca349f7 # v5.5.1
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
       - name: Save Python virtual environment cache
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache/save@v4.2.4
+        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: venv
           key: ${{ runner.os }}-${{ steps.restore-python.outputs.python-version }}-venv-${{ needs.common.outputs.cache-key }}
@@ -176,10 +177,11 @@ jobs:
       clang-tidy: ${{ steps.determine.outputs.clang-tidy }}
       python-linters: ${{ steps.determine.outputs.python-linters }}
       changed-components: ${{ steps.determine.outputs.changed-components }}
+      changed-components-with-tests: ${{ steps.determine.outputs.changed-components-with-tests }}
       component-test-count: ${{ steps.determine.outputs.component-test-count }}
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           # Fetch enough history to find the merge base
           fetch-depth: 2
@@ -203,6 +205,7 @@ jobs:
           echo "clang-tidy=$(echo "$output" | jq -r '.clang_tidy')" >> $GITHUB_OUTPUT
           echo "python-linters=$(echo "$output" | jq -r '.python_linters')" >> $GITHUB_OUTPUT
           echo "changed-components=$(echo "$output" | jq -c '.changed_components')" >> $GITHUB_OUTPUT
+          echo "changed-components-with-tests=$(echo "$output" | jq -c '.changed_components_with_tests')" >> $GITHUB_OUTPUT
           echo "component-test-count=$(echo "$output" | jq -r '.component_test_count')" >> $GITHUB_OUTPUT
 
   integration-tests:
@@ -214,15 +217,15 @@ jobs:
     if: needs.determine-jobs.outputs.integration-tests == 'true'
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Set up Python 3.13
         id: python
-        uses: actions/setup-python@v6.0.0
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: "3.13"
       - name: Restore Python virtual environment
         id: cache-venv
-        uses: actions/cache@v4.2.4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: venv
           key: ${{ runner.os }}-${{ steps.python.outputs.python-version }}-venv-${{ needs.common.outputs.cache-key }}
@@ -287,7 +290,7 @@ jobs:
 
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           # Need history for HEAD~1 to work for checking changed files
           fetch-depth: 2
@@ -300,14 +303,14 @@ jobs:
 
       - name: Cache platformio
         if: github.ref == 'refs/heads/dev'
-        uses: actions/cache@v4.2.4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.platformio
           key: platformio-${{ matrix.pio_cache_key }}-${{ hashFiles('platformio.ini') }}
 
       - name: Cache platformio
         if: github.ref != 'refs/heads/dev'
-        uses: actions/cache/restore@v4.2.4
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.platformio
           key: platformio-${{ matrix.pio_cache_key }}-${{ hashFiles('platformio.ini') }}
@@ -366,31 +369,32 @@ jobs:
       fail-fast: false
       max-parallel: 2
       matrix:
-        file: ${{ fromJson(needs.determine-jobs.outputs.changed-components) }}
+        file: ${{ fromJson(needs.determine-jobs.outputs.changed-components-with-tests) }}
     steps:
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install libsdl2-dev
+      - name: Cache apt packages
+        uses: awalsh128/cache-apt-pkgs-action@acb598e5ddbc6f68a970c5da0688d2f3a9f04d05 # v1.5.3
+        with:
+          packages: libsdl2-dev
+          version: 1.0
 
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache-key: ${{ needs.common.outputs.cache-key }}
-      - name: test_build_components -e config -c ${{ matrix.file }}
+      - name: Validate config for ${{ matrix.file }}
         run: |
           . venv/bin/activate
-          ./script/test_build_components -e config -c ${{ matrix.file }}
-      - name: test_build_components -e compile -c ${{ matrix.file }}
+          python3 script/test_build_components.py -e config -c ${{ matrix.file }}
+      - name: Compile config for ${{ matrix.file }}
         run: |
           . venv/bin/activate
-          ./script/test_build_components -e compile -c ${{ matrix.file }}
+          python3 script/test_build_components.py -e compile -c ${{ matrix.file }}
 
   test-build-components-splitter:
-    name: Split components for testing into 20 groups maximum
+    name: Split components for intelligent grouping (40 weighted per batch)
     runs-on: ubuntu-24.04
     needs:
       - common
@@ -400,15 +404,27 @@ jobs:
       matrix: ${{ steps.split.outputs.components }}
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
-      - name: Split components into 20 groups
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - name: Restore Python
+        uses: ./.github/actions/restore-python
+        with:
+          python-version: ${{ env.DEFAULT_PYTHON }}
+          cache-key: ${{ needs.common.outputs.cache-key }}
+      - name: Split components intelligently based on bus configurations
         id: split
         run: |
-          components=$(echo '${{ needs.determine-jobs.outputs.changed-components }}' | jq -c '.[]' | shuf | jq -s -c '[_nwise(20) | join(" ")]')
-          echo "components=$components" >> $GITHUB_OUTPUT
+          . venv/bin/activate
+
+          # Use intelligent splitter that groups components with same bus configs
+          components='${{ needs.determine-jobs.outputs.changed-components-with-tests }}'
+
+          echo "Splitting components intelligently..."
+          output=$(python3 script/split_components_for_ci.py --components "$components" --batch-size 40 --output github)
+
+          echo "$output" >> $GITHUB_OUTPUT
 
   test-build-components-split:
-    name: Test split components
+    name: Test components batch (${{ matrix.components }})
     runs-on: ubuntu-24.04
     needs:
       - common
@@ -417,39 +433,62 @@ jobs:
     if: github.event_name == 'pull_request' && fromJSON(needs.determine-jobs.outputs.component-test-count) >= 100
     strategy:
       fail-fast: false
-      max-parallel: 4
+      max-parallel: 5
       matrix:
         components: ${{ fromJson(needs.test-build-components-splitter.outputs.matrix) }}
     steps:
+      - name: Show disk space
+        run: |
+          echo "Available disk space:"
+          df -h
+
       - name: List components
         run: echo ${{ matrix.components }}
 
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install libsdl2-dev
+      - name: Cache apt packages
+        uses: awalsh128/cache-apt-pkgs-action@acb598e5ddbc6f68a970c5da0688d2f3a9f04d05 # v1.5.3
+        with:
+          packages: libsdl2-dev
+          version: 1.0
 
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache-key: ${{ needs.common.outputs.cache-key }}
-      - name: Validate config
+      - name: Validate and compile components with intelligent grouping
         run: |
           . venv/bin/activate
-          for component in ${{ matrix.components }}; do
-            ./script/test_build_components -e config -c $component
-          done
-      - name: Compile config
-        run: |
-          . venv/bin/activate
-          mkdir build_cache
-          export PLATFORMIO_BUILD_CACHE_DIR=$PWD/build_cache
-          for component in ${{ matrix.components }}; do
-            ./script/test_build_components -e compile -c $component
-          done
+          # Use /mnt for build files (70GB available vs ~29GB on /)
+          # Bind mount PlatformIO directory to /mnt (tools, packages, build cache all go there)
+          sudo mkdir -p /mnt/platformio
+          sudo chown $USER:$USER /mnt/platformio
+          mkdir -p ~/.platformio
+          sudo mount --bind /mnt/platformio ~/.platformio
+
+          # Bind mount test build directory to /mnt
+          sudo mkdir -p /mnt/test_build_components_build
+          sudo chown $USER:$USER /mnt/test_build_components_build
+          mkdir -p tests/test_build_components/build
+          sudo mount --bind /mnt/test_build_components_build tests/test_build_components/build
+
+          # Convert space-separated components to comma-separated for Python script
+          components_csv=$(echo "${{ matrix.components }}" | tr ' ' ',')
+
+          echo "Testing components: $components_csv"
+          echo ""
+
+          # Run config validation with grouping
+          python3 script/test_build_components.py -e config -c "$components_csv" -f
+
+          echo ""
+          echo "Config validation passed! Starting compilation..."
+          echo ""
+
+          # Run compilation with grouping
+          python3 script/test_build_components.py -e compile -c "$components_csv" -f
 
   pre-commit-ci-lite:
     name: pre-commit.ci lite
@@ -459,16 +498,16 @@ jobs:
     if: github.event_name == 'pull_request' && github.base_ref != 'beta' && github.base_ref != 'release'
     steps:
       - name: Check out code from GitHub
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Restore Python
         uses: ./.github/actions/restore-python
         with:
           python-version: ${{ env.DEFAULT_PYTHON }}
           cache-key: ${{ needs.common.outputs.cache-key }}
-      - uses: pre-commit/action@v3.0.1
+      - uses: esphome/action@43cd1109c09c544d97196f7730ee5b2e0cc6d81e # v3.0.1 fork with pinned actions/cache
         env:
           SKIP: pylint,clang-tidy-hash
-      - uses: pre-commit-ci/lite-action@v1.1.0
+      - uses: pre-commit-ci/lite-action@5d6cc0eb514c891a40562a58a8e71576c5c7fb43 # v1.1.0
         if: always()
 
   ci-status:

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

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Request reviews from component codeowners
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const owner = context.repo.owner;

.github/workflows/codeql.yml

@@ -54,11 +54,11 @@ jobs:
             # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@f443b600d91635bebf5b0d9ebc620189c0d6fba5 # v4.30.8
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
@@ -86,6 +86,6 @@ jobs:
           exit 1
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@f443b600d91635bebf5b0d9ebc620189c0d6fba5 # v4.30.8
         with:
           category: "/language:${{matrix.language}}"

.github/workflows/external-component-bot.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Add external component comment
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |

.github/workflows/issue-codeowner-notify.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Notify codeowners for component issues
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const owner = context.repo.owner;

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
       branch_build: ${{ steps.tag.outputs.branch_build }}
       deploy_env: ${{ steps.tag.outputs.deploy_env }}
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Get tag
         id: tag
         # yamllint disable rule:line-length
@@ -60,9 +60,9 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Set up Python
-        uses: actions/setup-python@v6.0.0
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: "3.x"
       - name: Build
@@ -70,7 +70,7 @@ jobs:
           pip3 install build
           python3 -m build
       - name: Publish
-        uses: pypa/gh-action-pypi-publish@v1.13.0
+        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e # v1.13.0
         with:
           skip-existing: true
 
@@ -92,22 +92,22 @@ jobs:
             os: "ubuntu-24.04-arm"
 
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Set up Python
-        uses: actions/setup-python@v6.0.0
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: "3.11"
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.11.1
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Log in to docker hub
-        uses: docker/login-action@v3.5.0
+        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Log in to the GitHub container registry
-        uses: docker/login-action@v3.5.0
+        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -138,7 +138,7 @@ jobs:
       #     version: ${{ needs.init.outputs.tag }}
 
       - name: Upload digests
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: digests-${{ matrix.platform.arch }}
           path: /tmp/digests
@@ -168,27 +168,27 @@ jobs:
           - ghcr
           - dockerhub
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Download digests
-        uses: actions/download-artifact@v5.0.0
+        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
         with:
           pattern: digests-*
           path: /tmp/digests
           merge-multiple: true
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3.11.1
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
 
       - name: Log in to docker hub
         if: matrix.registry == 'dockerhub'
-        uses: docker/login-action@v3.5.0
+        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Log in to the GitHub container registry
         if: matrix.registry == 'ghcr'
-        uses: docker/login-action@v3.5.0
+        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -220,7 +220,7 @@ jobs:
       - deploy-manifest
     steps:
       - name: Trigger Workflow
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           github-token: ${{ secrets.DEPLOY_HA_ADDON_REPO_TOKEN }}
           script: |
@@ -246,7 +246,7 @@ jobs:
     environment: ${{ needs.init.outputs.deploy_env }}
     steps:
       - name: Trigger Workflow
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           github-token: ${{ secrets.DEPLOY_ESPHOME_SCHEMA_REPO_TOKEN }}
           script: |

.github/workflows/stale.yml

@@ -15,36 +15,52 @@ concurrency:
 
 jobs:
   stale:
+    if: github.repository_owner == 'esphome'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v10.0.0
+      - name: Stale
+        uses: actions/stale@5f858e3efba33a5ca4407a664cc011ad407f2008 # v10.1.0
         with:
+          debug-only: ${{ github.ref != 'refs/heads/dev' }} # Dry-run when not run on dev branch
+          remove-stale-when-updated: true
+          operations-per-run: 400
+
+          # The 90 day stale policy for PRs
+          # - PRs
+          # - No PRs marked as "not-stale"
+          # - No Issues (see below)
           days-before-pr-stale: 90
           days-before-pr-close: 7
-          days-before-issue-stale: -1
-          days-before-issue-close: -1
-          remove-stale-when-updated: true
           stale-pr-label: "stale"
           exempt-pr-labels: "not-stale"
           stale-pr-message: >
             There hasn't been any activity on this pull request recently. This
             pull request has been automatically marked as stale because of that
             and will be closed if no further activity occurs within 7 days.
-            Thank you for your contributions.
 
-  # Use stale to automatically close issues with a
-  # reference to the issue tracker
-  close-issues:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/stale@v10.0.0
-        with:
-          days-before-pr-stale: -1
-          days-before-pr-close: -1
-          days-before-issue-stale: 1
-          days-before-issue-close: 1
-          remove-stale-when-updated: true
+            If you are the author of this PR, please leave a comment if you want
+            to keep it open. Also, please rebase your PR onto the latest dev
+            branch to ensure that it's up to date with the latest changes.
+
+            Thank you for your contribution!
+
+          # The 90 day stale policy for Issues
+          # - Issues
+          # - No Issues marked as "not-stale"
+          # - No PRs (see above)
+          days-before-issue-stale: 90
+          days-before-issue-close: 7
           stale-issue-label: "stale"
           exempt-issue-labels: "not-stale"
           stale-issue-message: >
-            https://github.com/esphome/esphome/issues/430
+            There hasn't been any activity on this issue recently. Due to the
+            high number of incoming GitHub notifications, we have to clean some
+            of the old issues, as many of them have already been resolved with
+            the latest updates.
+
+            Please make sure to update to the latest ESPHome version and
+            check if that solves the issue. Let us know if that works for you by
+            adding a comment 👍
+
+            This issue has now been marked as stale and will be closed if no
+            further activity occurs. Thank you for your contributions.

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

@@ -16,7 +16,7 @@ jobs:
           - merge-after-release
     steps:
       - name: Check for ${{ matrix.label }} label
-        uses: actions/github-script@v8.0.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const { data: labels } = await github.rest.issues.listLabelsOnIssue({

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

@@ -13,16 +13,16 @@ jobs:
     if: github.repository == 'esphome/esphome'
     steps:
       - name: Checkout
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Checkout Home Assistant
-        uses: actions/checkout@v5.0.0
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: home-assistant/core
           path: lib/home-assistant
 
       - name: Setup Python
-        uses: actions/setup-python@v6.0.0
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: 3.13
 
@@ -30,13 +30,18 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -e lib/home-assistant
+          pip install -r requirements_test.txt pre-commit
 
       - name: Sync
         run: |
           python ./script/sync-device_class.py
 
+      - name: Run pre-commit hooks
+        run: |
+          python script/run-in-env.py pre-commit run --all-files
+
       - name: Commit changes
-        uses: peter-evans/create-pull-request@v7.0.8
+        uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
         with:
           commit-message: "Synchronise Device Classes from Home Assistant"
           committer: esphomebot <esphome@openhomefoundation.org>

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ ci:
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.12.12
+    rev: v0.14.0
     hooks:
       # Run the linter.
       - id: ruff

CODEOWNERS

@@ -66,7 +66,7 @@ esphome/components/binary_sensor/* @esphome/core
 esphome/components/bk72xx/* @kuba2k2
 esphome/components/bl0906/* @athom-tech @jesserockz @tarontop
 esphome/components/bl0939/* @ziceva
-esphome/components/bl0940/* @tobias-
+esphome/components/bl0940/* @dan-s-github @tobias-
 esphome/components/bl0942/* @dbuezas @dwmw2
 esphome/components/ble_client/* @buxtronix @clydebarrow
 esphome/components/bluetooth_proxy/* @bdraco @jesserockz
@@ -88,7 +88,7 @@ esphome/components/bp1658cj/* @Cossid
 esphome/components/bp5758d/* @Cossid
 esphome/components/button/* @esphome/core
 esphome/components/bytebuffer/* @clydebarrow
-esphome/components/camera/* @DT-art1 @bdraco
+esphome/components/camera/* @bdraco @DT-art1
 esphome/components/camera_encoder/* @DT-art1
 esphome/components/canbus/* @danielschramm @mvturnho
 esphome/components/cap1188/* @mreditor97
@@ -139,15 +139,16 @@ esphome/components/ens160_base/* @latonita @vincentscode
 esphome/components/ens160_i2c/* @latonita
 esphome/components/ens160_spi/* @latonita
 esphome/components/ens210/* @itn3rd77
+esphome/components/epaper_spi/* @esphome/core
 esphome/components/es7210/* @kahrendt
 esphome/components/es7243e/* @kbx81
 esphome/components/es8156/* @kbx81
 esphome/components/es8311/* @kahrendt @kroimon
 esphome/components/es8388/* @P4uLT
 esphome/components/esp32/* @esphome/core
-esphome/components/esp32_ble/* @Rapsssito @bdraco @jesserockz
+esphome/components/esp32_ble/* @bdraco @jesserockz @Rapsssito
 esphome/components/esp32_ble_client/* @bdraco @jesserockz
-esphome/components/esp32_ble_server/* @Rapsssito @clydebarrow @jesserockz
+esphome/components/esp32_ble_server/* @clydebarrow @jesserockz @Rapsssito
 esphome/components/esp32_ble_tracker/* @bdraco
 esphome/components/esp32_camera_web_server/* @ayufan
 esphome/components/esp32_can/* @Sympatron
@@ -160,14 +161,13 @@ esphome/components/esp_ldo/* @clydebarrow
 esphome/components/espnow/* @jesserockz
 esphome/components/ethernet_info/* @gtjadsonsantos
 esphome/components/event/* @nohat
-esphome/components/event_emitter/* @Rapsssito
 esphome/components/exposure_notifications/* @OttoWinter
 esphome/components/ezo/* @ssieb
 esphome/components/ezo_pmp/* @carlos-sarmiento
 esphome/components/factory_reset/* @anatoly-savchenkov
 esphome/components/fastled_base/* @OttoWinter
 esphome/components/feedback/* @ianchi
-esphome/components/fingerprint_grow/* @OnFreund @alexborro @loongyh
+esphome/components/fingerprint_grow/* @alexborro @loongyh @OnFreund
 esphome/components/font/* @clydebarrow @esphome/core
 esphome/components/fs3000/* @kahrendt
 esphome/components/ft5x06/* @clydebarrow
@@ -203,7 +203,7 @@ esphome/components/heatpumpir/* @rob-deutsch
 esphome/components/hitachi_ac424/* @sourabhjaiswal
 esphome/components/hm3301/* @freekode
 esphome/components/hmac_md5/* @dwmw2
-esphome/components/homeassistant/* @OttoWinter @esphome/core
+esphome/components/homeassistant/* @esphome/core @OttoWinter
 esphome/components/homeassistant/number/* @landonr
 esphome/components/homeassistant/switch/* @Links2004
 esphome/components/honeywell_hih_i2c/* @Benichou34
@@ -228,13 +228,13 @@ esphome/components/iaqcore/* @yozik04
 esphome/components/ili9xxx/* @clydebarrow @nielsnl68
 esphome/components/improv_base/* @esphome/core
 esphome/components/improv_serial/* @esphome/core
-esphome/components/ina226/* @Sergio303 @latonita
+esphome/components/ina226/* @latonita @Sergio303
 esphome/components/ina260/* @mreditor97
 esphome/components/ina2xx_base/* @latonita
 esphome/components/ina2xx_i2c/* @latonita
 esphome/components/ina2xx_spi/* @latonita
 esphome/components/inkbird_ibsth1_mini/* @fkirill
-esphome/components/inkplate6/* @jesserockz
+esphome/components/inkplate/* @jesserockz @JosipKuci
 esphome/components/integration/* @OttoWinter
 esphome/components/internal_temperature/* @Mat931
 esphome/components/interval/* @esphome/core
@@ -257,6 +257,7 @@ esphome/components/libretiny_pwm/* @kuba2k2
 esphome/components/light/* @esphome/core
 esphome/components/lightwaverf/* @max246
 esphome/components/lilygo_t5_47/touchscreen/* @jesserockz
+esphome/components/lm75b/* @beormund
 esphome/components/ln882x/* @lamauny
 esphome/components/lock/* @esphome/core
 esphome/components/logger/* @esphome/core
@@ -277,8 +278,8 @@ esphome/components/max7219digit/* @rspaargaren
 esphome/components/max9611/* @mckaymatthew
 esphome/components/mcp23008/* @jesserockz
 esphome/components/mcp23017/* @jesserockz
-esphome/components/mcp23s08/* @SenexCrenshaw @jesserockz
-esphome/components/mcp23s17/* @SenexCrenshaw @jesserockz
+esphome/components/mcp23s08/* @jesserockz @SenexCrenshaw
+esphome/components/mcp23s17/* @jesserockz @SenexCrenshaw
 esphome/components/mcp23x08_base/* @jesserockz
 esphome/components/mcp23x17_base/* @jesserockz
 esphome/components/mcp23xxx_base/* @jesserockz
@@ -299,6 +300,7 @@ esphome/components/mics_4514/* @jesserockz
 esphome/components/midea/* @dudanov
 esphome/components/midea_ir/* @dudanov
 esphome/components/mipi_dsi/* @clydebarrow
+esphome/components/mipi_rgb/* @clydebarrow
 esphome/components/mipi_spi/* @clydebarrow
 esphome/components/mitsubishi/* @RubyBailey
 esphome/components/mixer/speaker/* @kahrendt
@@ -342,7 +344,7 @@ esphome/components/ota/* @esphome/core
 esphome/components/output/* @esphome/core
 esphome/components/packet_transport/* @clydebarrow
 esphome/components/pca6416a/* @Mat931
-esphome/components/pca9554/* @clydebarrow @hwstar
+esphome/components/pca9554/* @bdraco @clydebarrow @hwstar
 esphome/components/pcf85063/* @brogon
 esphome/components/pcf8563/* @KoenBreeman
 esphome/components/pi4ioe5v6408/* @jesserockz
@@ -353,9 +355,9 @@ esphome/components/pm2005/* @andrewjswan
 esphome/components/pmsa003i/* @sjtrny
 esphome/components/pmsx003/* @ximex
 esphome/components/pmwcs3/* @SeByDocKy
-esphome/components/pn532/* @OttoWinter @jesserockz
-esphome/components/pn532_i2c/* @OttoWinter @jesserockz
-esphome/components/pn532_spi/* @OttoWinter @jesserockz
+esphome/components/pn532/* @jesserockz @OttoWinter
+esphome/components/pn532_i2c/* @jesserockz @OttoWinter
+esphome/components/pn532_spi/* @jesserockz @OttoWinter
 esphome/components/pn7150/* @jesserockz @kbx81
 esphome/components/pn7150_i2c/* @jesserockz @kbx81
 esphome/components/pn7160/* @jesserockz @kbx81
@@ -364,7 +366,7 @@ esphome/components/pn7160_spi/* @jesserockz @kbx81
 esphome/components/power_supply/* @esphome/core
 esphome/components/preferences/* @esphome/core
 esphome/components/psram/* @esphome/core
-esphome/components/pulse_meter/* @TrentHouliston @cstaahl @stevebaxter
+esphome/components/pulse_meter/* @cstaahl @stevebaxter @TrentHouliston
 esphome/components/pvvx_mithermometer/* @pasiz
 esphome/components/pylontech/* @functionpointer
 esphome/components/qmp6988/* @andrewpc
@@ -405,7 +407,8 @@ esphome/components/sensirion_common/* @martgras
 esphome/components/sensor/* @esphome/core
 esphome/components/sfa30/* @ghsensdev
 esphome/components/sgp40/* @SenexCrenshaw
-esphome/components/sgp4x/* @SenexCrenshaw @martgras
+esphome/components/sgp4x/* @martgras @SenexCrenshaw
+esphome/components/sha256/* @esphome/core
 esphome/components/shelly_dimmer/* @edge90 @rnauber
 esphome/components/sht3xd/* @mrtoy-me
 esphome/components/sht4x/* @sjtrny
@@ -427,6 +430,7 @@ esphome/components/speaker/media_player/* @kahrendt @synesthesiam
 esphome/components/spi/* @clydebarrow @esphome/core
 esphome/components/spi_device/* @clydebarrow
 esphome/components/spi_led_strip/* @clydebarrow
+esphome/components/split_buffer/* @jesserockz
 esphome/components/sprinkler/* @kbx81
 esphome/components/sps30/* @martgras
 esphome/components/ssd1322_base/* @kbx81
@@ -532,6 +536,7 @@ esphome/components/wk2204_spi/* @DrCoolZic
 esphome/components/wk2212_i2c/* @DrCoolZic
 esphome/components/wk2212_spi/* @DrCoolZic
 esphome/components/wl_134/* @hobbypunk90
+esphome/components/wts01/* @alepee
 esphome/components/x9c/* @EtienneMD
 esphome/components/xgzp68xx/* @gcormier
 esphome/components/xiaomi_hhccjcy10/* @fariouche
@@ -547,3 +552,4 @@ esphome/components/xxtea/* @clydebarrow
 esphome/components/zephyr/* @tomaszduda23
 esphome/components/zhlt01/* @cfeenstra1024
 esphome/components/zio_ultrasonic/* @kahrendt
+esphome/components/zwave_proxy/* @kbx81

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         = 2025.9.0-dev
+PROJECT_NUMBER         = 2025.11.0-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/__main__.py

@@ -6,6 +6,7 @@ import getpass
 import importlib
 import logging
 import os
+from pathlib import Path
 import re
 import sys
 import time
@@ -13,11 +14,15 @@ from typing import Protocol
 
 import argcomplete
 
+# Note: Do not import modules from esphome.components here, as this would
+# cause them to be loaded before external components are processed, resulting
+# in the built-in version being used instead of the external component one.
 from esphome import const, writer, yaml_util
 import esphome.codegen as cg
 from esphome.config import iter_component_configs, read_config, strip_default_ids
 from esphome.const import (
     ALLOWED_NAME_CHARS,
+    CONF_API,
     CONF_BAUD_RATE,
     CONF_BROKER,
     CONF_DEASSERT_RTS_DTR,
@@ -43,6 +48,7 @@ from esphome.const import (
     SECRETS_FILES,
 )
 from esphome.core import CORE, EsphomeError, coroutine
+from esphome.enum import StrEnum
 from esphome.helpers import get_bool_env, indent, is_ip_address
 from esphome.log import AnsiFore, color, setup_log
 from esphome.types import ConfigType
@@ -106,13 +112,23 @@ def choose_prompt(options, purpose: str = None):
     return options[opt - 1][1]
 
 
+class Purpose(StrEnum):
+    UPLOADING = "uploading"
+    LOGGING = "logging"
+
+
+def _resolve_with_cache(address: str, purpose: Purpose) -> list[str]:
+    """Resolve an address using cache if available, otherwise return the address itself."""
+    if CORE.address_cache and (cached := CORE.address_cache.get_addresses(address)):
+        _LOGGER.debug("Using cached addresses for %s: %s", purpose.value, cached)
+        return cached
+    return [address]
+
+
 def choose_upload_log_host(
     default: list[str] | str | None,
     check_default: str | None,
-    show_ota: bool,
-    show_mqtt: bool,
-    show_api: bool,
-    purpose: str | None = None,
+    purpose: Purpose,
 ) -> list[str]:
     # Convert to list for uniform handling
     defaults = [default] if isinstance(default, str) else default or []
@@ -132,13 +148,29 @@ def choose_upload_log_host(
                 ]
                 resolved.append(choose_prompt(options, purpose=purpose))
             elif device == "OTA":
-                if CORE.address and (
-                    (show_ota and "ota" in CORE.config)
-                    or (show_api and "api" in CORE.config)
+                # ensure IP adresses are used first
+                if is_ip_address(CORE.address) and (
+                    (purpose == Purpose.LOGGING and has_api())
+                    or (purpose == Purpose.UPLOADING and has_ota())
                 ):
-                    resolved.append(CORE.address)
-                elif show_mqtt and has_mqtt_logging():
-                    resolved.append("MQTT")
+                    resolved.extend(_resolve_with_cache(CORE.address, purpose))
+
+                if purpose == Purpose.LOGGING:
+                    if has_api() and has_mqtt_ip_lookup():
+                        resolved.append("MQTTIP")
+
+                    if has_mqtt_logging():
+                        resolved.append("MQTT")
+
+                    if has_api() and has_non_ip_address():
+                        resolved.extend(_resolve_with_cache(CORE.address, purpose))
+
+                elif purpose == Purpose.UPLOADING:
+                    if has_ota() and has_mqtt_ip_lookup():
+                        resolved.append("MQTTIP")
+
+                    if has_ota() and has_non_ip_address():
+                        resolved.extend(_resolve_with_cache(CORE.address, purpose))
             else:
                 resolved.append(device)
         if not resolved:
@@ -149,39 +181,113 @@ def choose_upload_log_host(
     options = [
         (f"{port.path} ({port.description})", port.path) for port in get_serial_ports()
     ]
-    if (show_ota and "ota" in CORE.config) or (show_api and "api" in CORE.config):
-        options.append((f"Over The Air ({CORE.address})", CORE.address))
-    if show_mqtt and has_mqtt_logging():
-        mqtt_config = CORE.config[CONF_MQTT]
-        options.append((f"MQTT ({mqtt_config[CONF_BROKER]})", "MQTT"))
+
+    if purpose == Purpose.LOGGING:
+        if has_mqtt_logging():
+            mqtt_config = CORE.config[CONF_MQTT]
+            options.append((f"MQTT ({mqtt_config[CONF_BROKER]})", "MQTT"))
+
+        if has_api():
+            if has_resolvable_address():
+                options.append((f"Over The Air ({CORE.address})", CORE.address))
+            if has_mqtt_ip_lookup():
+                options.append(("Over The Air (MQTT IP lookup)", "MQTTIP"))
+
+    elif purpose == Purpose.UPLOADING and has_ota():
+        if has_resolvable_address():
+            options.append((f"Over The Air ({CORE.address})", CORE.address))
+        if has_mqtt_ip_lookup():
+            options.append(("Over The Air (MQTT IP lookup)", "MQTTIP"))
 
     if check_default is not None and check_default in [opt[1] for opt in options]:
         return [check_default]
     return [choose_prompt(options, purpose=purpose)]
 
 
-def mqtt_logging_enabled(mqtt_config):
+def has_mqtt_logging() -> bool:
+    """Check if MQTT logging is available."""
+    if CONF_MQTT not in CORE.config:
+        return False
+
+    mqtt_config = CORE.config[CONF_MQTT]
+
+    # enabled by default
+    if CONF_LOG_TOPIC not in mqtt_config:
+        return True
+
     log_topic = mqtt_config[CONF_LOG_TOPIC]
     if log_topic is None:
         return False
+
     if CONF_TOPIC not in log_topic:
         return False
+
     return log_topic.get(CONF_LEVEL, None) != "NONE"
 
 
-def has_mqtt_logging() -> bool:
-    """Check if MQTT logging is available."""
-    return (mqtt_config := CORE.config.get(CONF_MQTT)) and mqtt_logging_enabled(
-        mqtt_config
-    )
+def has_mqtt() -> bool:
+    """Check if MQTT is available."""
+    return CONF_MQTT in CORE.config
+
+
+def has_api() -> bool:
+    """Check if API is available."""
+    return CONF_API in CORE.config
+
+
+def has_ota() -> bool:
+    """Check if OTA is available."""
+    return CONF_OTA in CORE.config
+
+
+def has_mqtt_ip_lookup() -> bool:
+    """Check if MQTT is available and IP lookup is supported."""
+    from esphome.components.mqtt import CONF_DISCOVER_IP
+
+    if CONF_MQTT not in CORE.config:
+        return False
+    # Default Enabled
+    if CONF_DISCOVER_IP not in CORE.config[CONF_MQTT]:
+        return True
+    return CORE.config[CONF_MQTT][CONF_DISCOVER_IP]
+
+
+def has_mdns() -> bool:
+    """Check if MDNS is available."""
+    return CONF_MDNS not in CORE.config or not CORE.config[CONF_MDNS][CONF_DISABLED]
+
+
+def has_non_ip_address() -> bool:
+    """Check if CORE.address is set and is not an IP address."""
+    return CORE.address is not None and not is_ip_address(CORE.address)
+
+
+def has_ip_address() -> bool:
+    """Check if CORE.address is a valid IP address."""
+    return CORE.address is not None and is_ip_address(CORE.address)
+
+
+def has_resolvable_address() -> bool:
+    """Check if CORE.address is resolvable (via mDNS or is an IP address)."""
+    return has_mdns() or has_ip_address()
+
+
+def mqtt_get_ip(config: ConfigType, username: str, password: str, client_id: str):
+    from esphome import mqtt
+
+    return mqtt.get_esphome_device_ip(config, username, password, client_id)
+
+
+_PORT_TO_PORT_TYPE = {
+    "MQTT": "MQTT",
+    "MQTTIP": "MQTTIP",
+}
 
 
 def get_port_type(port: str) -> str:
     if port.startswith("/") or port.startswith("COM"):
         return "SERIAL"
-    if port == "MQTT":
-        return "MQTT"
-    return "NETWORK"
+    return _PORT_TO_PORT_TYPE.get(port, "NETWORK")
 
 
 def run_miniterm(config: ConfigType, port: str, args) -> int:
@@ -226,7 +332,9 @@ def run_miniterm(config: ConfigType, port: str, args) -> int:
                         .replace(b"\n", b"")
                         .decode("utf8", "backslashreplace")
                     )
-                    time_str = datetime.now().time().strftime("[%H:%M:%S]")
+                    time_ = datetime.now()
+                    nanoseconds = time_.microsecond // 1000
+                    time_str = f"[{time_.hour:02}:{time_.minute:02}:{time_.second:02}.{nanoseconds:03}]"
                     safe_print(parser.parse_line(line, time_str))
 
                     backtrace_state = platformio_api.process_stacktrace(
@@ -349,7 +457,7 @@ def upload_using_esptool(
             "detect",
         ]
         for img in flash_images:
-            cmd += [img.offset, img.path]
+            cmd += [img.offset, str(img.path)]
 
         if os.environ.get("ESPHOME_USE_SUBPROCESS") is None:
             import esptool
@@ -396,27 +504,29 @@ def check_permissions(port: str):
             )
 
 
-def upload_program(config: ConfigType, args: ArgsProtocol, host: str) -> int | str:
+def upload_program(
+    config: ConfigType, args: ArgsProtocol, devices: list[str]
+) -> tuple[int, str | None]:
+    host = devices[0]
     try:
         module = importlib.import_module("esphome.components." + CORE.target_platform)
         if getattr(module, "upload_program")(config, args, host):
-            return 0
+            return 0, host
     except AttributeError:
         pass
 
     if get_port_type(host) == "SERIAL":
         check_permissions(host)
+
+        exit_code = 1
         if CORE.target_platform in (PLATFORM_ESP32, PLATFORM_ESP8266):
             file = getattr(args, "file", None)
-            return upload_using_esptool(config, host, file, args.upload_speed)
+            exit_code = upload_using_esptool(config, host, file, args.upload_speed)
+        elif CORE.target_platform == PLATFORM_RP2040 or CORE.is_libretiny:
+            exit_code = upload_using_platformio(config, host)
+        # else: Unknown target platform, exit_code remains 1
 
-        if CORE.target_platform in (PLATFORM_RP2040):
-            return upload_using_platformio(config, host)
-
-        if CORE.is_libretiny:
-            return upload_using_platformio(config, host)
-
-        return 1  # Unknown target platform
+        return exit_code, host if exit_code == 0 else None
 
     ota_conf = {}
     for ota_item in config.get(CONF_OTA, []):
@@ -433,31 +543,26 @@ def upload_program(config: ConfigType, args: ArgsProtocol, host: str) -> int | s
 
     remote_port = int(ota_conf[CONF_PORT])
     password = ota_conf.get(CONF_PASSWORD, "")
-
-    # Check if we should use MQTT for address resolution
-    # This happens when no device was specified, or the current host is "MQTT"/"OTA"
-    devices: list[str] = args.device or []
-    if (
-        CONF_MQTT in config  # pylint: disable=too-many-boolean-expressions
-        and (not devices or host in ("MQTT", "OTA"))
-        and (
-            ((config[CONF_MDNS][CONF_DISABLED]) and not is_ip_address(CORE.address))
-            or get_port_type(host) == "MQTT"
-        )
-    ):
-        from esphome import mqtt
-
-        host = mqtt.get_esphome_device_ip(
-            config, args.username, args.password, args.client_id
-        )
-
     if getattr(args, "file", None) is not None:
-        return espota2.run_ota(host, remote_port, password, args.file)
+        binary = Path(args.file)
+    else:
+        binary = CORE.firmware_bin
 
-    return espota2.run_ota(host, remote_port, password, CORE.firmware_bin)
+    # MQTT address resolution
+    if get_port_type(host) in ("MQTT", "MQTTIP"):
+        devices = mqtt_get_ip(config, args.username, args.password, args.client_id)
+
+    return espota2.run_ota(devices, remote_port, password, binary)
 
 
 def show_logs(config: ConfigType, args: ArgsProtocol, devices: list[str]) -> int | None:
+    try:
+        module = importlib.import_module("esphome.components." + CORE.target_platform)
+        if getattr(module, "show_logs")(config, args, devices):
+            return 0
+    except AttributeError:
+        pass
+
     if "logger" not in config:
         raise EsphomeError("Logger is not configured!")
 
@@ -466,20 +571,28 @@ def show_logs(config: ConfigType, args: ArgsProtocol, devices: list[str]) -> int
     if get_port_type(port) == "SERIAL":
         check_permissions(port)
         return run_miniterm(config, port, args)
-    if get_port_type(port) == "NETWORK" and "api" in config:
-        addresses_to_use = devices
-        if config[CONF_MDNS][CONF_DISABLED] and CONF_MQTT in config:
-            from esphome import mqtt
 
-            mqtt_address = mqtt.get_esphome_device_ip(
+    port_type = get_port_type(port)
+
+    # Check if we should use API for logging
+    if has_api():
+        addresses_to_use: list[str] | None = None
+
+        if port_type == "NETWORK" and (has_mdns() or is_ip_address(port)):
+            addresses_to_use = devices
+        elif port_type in ("NETWORK", "MQTT", "MQTTIP") and has_mqtt_ip_lookup():
+            # Only use MQTT IP lookup if the first condition didn't match
+            # (for MQTT/MQTTIP types, or for NETWORK when mdns/ip check fails)
+            addresses_to_use = mqtt_get_ip(
                 config, args.username, args.password, args.client_id
-            )[0]
-            addresses_to_use = [mqtt_address]
+            )
 
-        from esphome.components.api.client import run_logs
+        if addresses_to_use is not None:
+            from esphome.components.api.client import run_logs
 
-        return run_logs(config, addresses_to_use)
-    if get_port_type(port) in ("NETWORK", "MQTT") and "mqtt" in config:
+            return run_logs(config, addresses_to_use)
+
+    if port_type in ("NETWORK", "MQTT") and has_mqtt_logging():
         from esphome import mqtt
 
         return mqtt.show_logs(
@@ -500,7 +613,7 @@ def clean_mqtt(config: ConfigType, args: ArgsProtocol) -> int | None:
 def command_wizard(args: ArgsProtocol) -> int | None:
     from esphome import wizard
 
-    return wizard.wizard(args.configuration)
+    return wizard.wizard(Path(args.configuration))
 
 
 def command_config(args: ArgsProtocol, config: ConfigType) -> int | None:
@@ -545,23 +658,14 @@ def command_upload(args: ArgsProtocol, config: ConfigType) -> int | None:
     devices = choose_upload_log_host(
         default=args.device,
         check_default=None,
-        show_ota=True,
-        show_mqtt=False,
-        show_api=False,
-        purpose="uploading",
+        purpose=Purpose.UPLOADING,
     )
 
-    # Try each device until one succeeds
-    exit_code = 1
-    for device in devices:
-        _LOGGER.info("Uploading to %s", device)
-        exit_code = upload_program(config, args, device)
-        if exit_code == 0:
-            _LOGGER.info("Successfully uploaded program.")
-            return 0
-        if len(devices) > 1:
-            _LOGGER.warning("Failed to upload to %s", device)
-
+    exit_code, _ = upload_program(config, args, devices)
+    if exit_code == 0:
+        _LOGGER.info("Successfully uploaded program.")
+    else:
+        _LOGGER.warning("Failed to upload to %s", devices)
     return exit_code
 
 
@@ -579,10 +683,7 @@ def command_logs(args: ArgsProtocol, config: ConfigType) -> int | None:
     devices = choose_upload_log_host(
         default=args.device,
         check_default=None,
-        show_ota=False,
-        show_mqtt=True,
-        show_api=True,
-        purpose="logging",
+        purpose=Purpose.LOGGING,
     )
     return show_logs(config, args, devices)
 
@@ -608,25 +709,14 @@ def command_run(args: ArgsProtocol, config: ConfigType) -> int | None:
     devices = choose_upload_log_host(
         default=args.device,
         check_default=None,
-        show_ota=True,
-        show_mqtt=False,
-        show_api=True,
-        purpose="uploading",
+        purpose=Purpose.UPLOADING,
     )
 
-    # Try each device for upload until one succeeds
-    successful_device: str | None = None
-    for device in devices:
-        _LOGGER.info("Uploading to %s", device)
-        exit_code = upload_program(config, args, device)
-        if exit_code == 0:
-            _LOGGER.info("Successfully uploaded program.")
-            successful_device = device
-            break
-        if len(devices) > 1:
-            _LOGGER.warning("Failed to upload to %s", device)
-
-    if successful_device is None:
+    exit_code, successful_device = upload_program(config, args, devices)
+    if exit_code == 0:
+        _LOGGER.info("Successfully uploaded program.")
+    else:
+        _LOGGER.warning("Failed to upload to %s", devices)
         return exit_code
 
     if args.no_logs:
@@ -636,10 +726,7 @@ def command_run(args: ArgsProtocol, config: ConfigType) -> int | None:
     devices = choose_upload_log_host(
         default=successful_device,
         check_default=successful_device,
-        show_ota=False,
-        show_mqtt=True,
-        show_api=True,
-        purpose="logging",
+        purpose=Purpose.LOGGING,
     )
     return show_logs(config, args, devices)
 
@@ -648,6 +735,16 @@ def command_clean_mqtt(args: ArgsProtocol, config: ConfigType) -> int | None:
     return clean_mqtt(config, args)
 
 
+def command_clean_all(args: ArgsProtocol) -> int | None:
+    try:
+        writer.clean_all(args.configuration)
+    except OSError as err:
+        _LOGGER.error("Error cleaning all files: %s", err)
+        return 1
+    _LOGGER.info("Done!")
+    return 0
+
+
 def command_mqtt_fingerprint(args: ArgsProtocol, config: ConfigType) -> int | None:
     from esphome import mqtt
 
@@ -689,7 +786,7 @@ def command_update_all(args: ArgsProtocol) -> int | None:
         safe_print(f"{half_line}{middle_text}{half_line}")
 
     for f in files:
-        safe_print(f"Updating {color(AnsiFore.CYAN, f)}")
+        safe_print(f"Updating {color(AnsiFore.CYAN, str(f))}")
         safe_print("-" * twidth)
         safe_print()
         if CORE.dashboard:
@@ -701,10 +798,10 @@ def command_update_all(args: ArgsProtocol) -> int | None:
                 "esphome", "run", f, "--no-logs", "--device", "OTA"
             )
         if rc == 0:
-            print_bar(f"[{color(AnsiFore.BOLD_GREEN, 'SUCCESS')}] {f}")
+            print_bar(f"[{color(AnsiFore.BOLD_GREEN, 'SUCCESS')}] {str(f)}")
             success[f] = True
         else:
-            print_bar(f"[{color(AnsiFore.BOLD_RED, 'ERROR')}] {f}")
+            print_bar(f"[{color(AnsiFore.BOLD_RED, 'ERROR')}] {str(f)}")
             success[f] = False
 
         safe_print()
@@ -715,9 +812,9 @@ def command_update_all(args: ArgsProtocol) -> int | None:
     failed = 0
     for f in files:
         if success[f]:
-            safe_print(f"  - {f}: {color(AnsiFore.GREEN, 'SUCCESS')}")
+            safe_print(f"  - {str(f)}: {color(AnsiFore.GREEN, 'SUCCESS')}")
         else:
-            safe_print(f"  - {f}: {color(AnsiFore.BOLD_RED, 'FAILED')}")
+            safe_print(f"  - {str(f)}: {color(AnsiFore.BOLD_RED, 'FAILED')}")
             failed += 1
     return failed
 
@@ -739,7 +836,8 @@ def command_idedata(args: ArgsProtocol, config: ConfigType) -> int:
 
 
 def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
-    for c in args.name:
+    new_name = args.name
+    for c in new_name:
         if c not in ALLOWED_NAME_CHARS:
             print(
                 color(
@@ -750,8 +848,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
             )
             return 1
     # Load existing yaml file
-    with open(CORE.config_path, mode="r+", encoding="utf-8") as raw_file:
-        raw_contents = raw_file.read()
+    raw_contents = CORE.config_path.read_text(encoding="utf-8")
 
     yaml = yaml_util.load_yaml(CORE.config_path)
     if CONF_ESPHOME not in yaml or CONF_NAME not in yaml[CONF_ESPHOME]:
@@ -766,7 +863,7 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
     if match is None:
         new_raw = re.sub(
             rf"name:\s+[\"']?{old_name}[\"']?",
-            f'name: "{args.name}"',
+            f'name: "{new_name}"',
             raw_contents,
         )
     else:
@@ -786,29 +883,28 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
 
         new_raw = re.sub(
             rf"^(\s+{match.group(1)}):\s+[\"']?{old_name}[\"']?",
-            f'\\1: "{args.name}"',
+            f'\\1: "{new_name}"',
             raw_contents,
             flags=re.MULTILINE,
         )
 
-    new_path = os.path.join(CORE.config_dir, args.name + ".yaml")
+    new_path: Path = CORE.config_dir / (new_name + ".yaml")
     print(
-        f"Updating {color(AnsiFore.CYAN, CORE.config_path)} to {color(AnsiFore.CYAN, new_path)}"
+        f"Updating {color(AnsiFore.CYAN, str(CORE.config_path))} to {color(AnsiFore.CYAN, str(new_path))}"
     )
     print()
 
-    with open(new_path, mode="w", encoding="utf-8") as new_file:
-        new_file.write(new_raw)
+    new_path.write_text(new_raw, encoding="utf-8")
 
-    rc = run_external_process("esphome", "config", new_path)
+    rc = run_external_process("esphome", "config", str(new_path))
     if rc != 0:
         print(color(AnsiFore.BOLD_RED, "Rename failed. Reverting changes."))
-        os.remove(new_path)
+        new_path.unlink()
         return 1
 
     cli_args = [
         "run",
-        new_path,
+        str(new_path),
         "--no-logs",
         "--device",
         CORE.address,
@@ -822,11 +918,11 @@ def command_rename(args: ArgsProtocol, config: ConfigType) -> int | None:
     except KeyboardInterrupt:
         rc = 1
     if rc != 0:
-        os.remove(new_path)
+        new_path.unlink()
         return 1
 
     if CORE.config_path != new_path:
-        os.remove(CORE.config_path)
+        CORE.config_path.unlink()
 
     print(color(AnsiFore.BOLD_GREEN, "SUCCESS"))
     print()
@@ -839,6 +935,7 @@ PRE_CONFIG_ACTIONS = {
     "dashboard": command_dashboard,
     "vscode": command_vscode,
     "update-all": command_update_all,
+    "clean-all": command_clean_all,
 }
 
 POST_CONFIG_ACTIONS = {
@@ -847,9 +944,9 @@ POST_CONFIG_ACTIONS = {
     "upload": command_upload,
     "logs": command_logs,
     "run": command_run,
+    "clean": command_clean,
     "clean-mqtt": command_clean_mqtt,
     "mqtt-fingerprint": command_mqtt_fingerprint,
-    "clean": command_clean,
     "idedata": command_idedata,
     "rename": command_rename,
     "discover": command_discover,
@@ -893,6 +990,24 @@ def parse_args(argv):
         help="Add a substitution",
         metavar=("key", "value"),
     )
+    options_parser.add_argument(
+        "--mdns-address-cache",
+        help="mDNS address cache mapping in format 'hostname=ip1,ip2'",
+        action="append",
+        default=[],
+    )
+    options_parser.add_argument(
+        "--dns-address-cache",
+        help="DNS address cache mapping in format 'hostname=ip1,ip2'",
+        action="append",
+        default=[],
+    )
+    options_parser.add_argument(
+        "--testing-mode",
+        help="Enable testing mode (disables validation checks for grouped component testing)",
+        action="store_true",
+        default=False,
+    )
 
     parser = argparse.ArgumentParser(
         description=f"ESPHome {const.__version__}", parents=[options_parser]
@@ -1050,6 +1165,13 @@ def parse_args(argv):
         "configuration", help="Your YAML configuration file(s).", nargs="+"
     )
 
+    parser_clean_all = subparsers.add_parser(
+        "clean-all", help="Clean all build and platform files."
+    )
+    parser_clean_all.add_argument(
+        "configuration", help="Your YAML configuration directory.", nargs="*"
+    )
+
     parser_dashboard = subparsers.add_parser(
         "dashboard", help="Create a simple web server for a dashboard."
     )
@@ -1096,7 +1218,7 @@ def parse_args(argv):
 
     parser_update = subparsers.add_parser("update-all")
     parser_update.add_argument(
-        "configuration", help="Your YAML configuration file directories.", nargs="+"
+        "configuration", help="Your YAML configuration file or directory.", nargs="+"
     )
 
     parser_idedata = subparsers.add_parser("idedata")
@@ -1140,9 +1262,16 @@ def parse_args(argv):
 
 
 def run_esphome(argv):
+    from esphome.address_cache import AddressCache
+
     args = parse_args(argv)
     CORE.dashboard = args.dashboard
+    CORE.testing_mode = args.testing_mode
 
+    # Create address cache from command-line arguments
+    CORE.address_cache = AddressCache.from_cli_args(
+        args.mdns_address_cache, args.dns_address_cache
+    )
     # Override log level if verbose is set
     if args.verbose:
         args.log_level = "DEBUG"
@@ -1165,14 +1294,20 @@ def run_esphome(argv):
     _LOGGER.info("ESPHome %s", const.__version__)
 
     for conf_path in args.configuration:
-        if any(os.path.basename(conf_path) == x for x in SECRETS_FILES):
+        conf_path = Path(conf_path)
+        if any(conf_path.name == x for x in SECRETS_FILES):
             _LOGGER.warning("Skipping secrets file %s", conf_path)
             continue
 
         CORE.config_path = conf_path
         CORE.dashboard = args.dashboard
 
-        config = read_config(dict(args.substitution) if args.substitution else {})
+        # For logs command, skip updating external components
+        skip_external = args.command == "logs"
+        config = read_config(
+            dict(args.substitution) if args.substitution else {},
+            skip_external_update=skip_external,
+        )
         if config is None:
             return 2
         CORE.config = config

esphome/address_cache.py

@@ -0,0 +1,142 @@
+"""Address cache for DNS and mDNS lookups."""
+
+from __future__ import annotations
+
+import logging
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from collections.abc import Iterable
+
+_LOGGER = logging.getLogger(__name__)
+
+
+def normalize_hostname(hostname: str) -> str:
+    """Normalize hostname for cache lookups.
+
+    Removes trailing dots and converts to lowercase.
+    """
+    return hostname.rstrip(".").lower()
+
+
+class AddressCache:
+    """Cache for DNS and mDNS address lookups.
+
+    This cache stores pre-resolved addresses from command-line arguments
+    to avoid slow DNS/mDNS lookups during builds.
+    """
+
+    def __init__(
+        self,
+        mdns_cache: dict[str, list[str]] | None = None,
+        dns_cache: dict[str, list[str]] | None = None,
+    ) -> None:
+        """Initialize the address cache.
+
+        Args:
+            mdns_cache: Pre-populated mDNS addresses (hostname -> IPs)
+            dns_cache: Pre-populated DNS addresses (hostname -> IPs)
+        """
+        self.mdns_cache = mdns_cache or {}
+        self.dns_cache = dns_cache or {}
+
+    def _get_cached_addresses(
+        self, hostname: str, cache: dict[str, list[str]], cache_type: str
+    ) -> list[str] | None:
+        """Get cached addresses from a specific cache.
+
+        Args:
+            hostname: The hostname to look up
+            cache: The cache dictionary to check
+            cache_type: Type of cache for logging ("mDNS" or "DNS")
+
+        Returns:
+            List of IP addresses if found in cache, None otherwise
+        """
+        normalized = normalize_hostname(hostname)
+        if addresses := cache.get(normalized):
+            _LOGGER.debug("Using %s cache for %s: %s", cache_type, hostname, addresses)
+            return addresses
+        return None
+
+    def get_mdns_addresses(self, hostname: str) -> list[str] | None:
+        """Get cached mDNS addresses for a hostname.
+
+        Args:
+            hostname: The hostname to look up (should end with .local)
+
+        Returns:
+            List of IP addresses if found in cache, None otherwise
+        """
+        return self._get_cached_addresses(hostname, self.mdns_cache, "mDNS")
+
+    def get_dns_addresses(self, hostname: str) -> list[str] | None:
+        """Get cached DNS addresses for a hostname.
+
+        Args:
+            hostname: The hostname to look up
+
+        Returns:
+            List of IP addresses if found in cache, None otherwise
+        """
+        return self._get_cached_addresses(hostname, self.dns_cache, "DNS")
+
+    def get_addresses(self, hostname: str) -> list[str] | None:
+        """Get cached addresses for a hostname.
+
+        Checks mDNS cache for .local domains, DNS cache otherwise.
+
+        Args:
+            hostname: The hostname to look up
+
+        Returns:
+            List of IP addresses if found in cache, None otherwise
+        """
+        normalized = normalize_hostname(hostname)
+        if normalized.endswith(".local"):
+            return self.get_mdns_addresses(hostname)
+        return self.get_dns_addresses(hostname)
+
+    def has_cache(self) -> bool:
+        """Check if any cache entries exist."""
+        return bool(self.mdns_cache or self.dns_cache)
+
+    @classmethod
+    def from_cli_args(
+        cls, mdns_args: Iterable[str], dns_args: Iterable[str]
+    ) -> AddressCache:
+        """Create cache from command-line arguments.
+
+        Args:
+            mdns_args: List of mDNS cache entries like ['host=ip1,ip2']
+            dns_args: List of DNS cache entries like ['host=ip1,ip2']
+
+        Returns:
+            Configured AddressCache instance
+        """
+        mdns_cache = cls._parse_cache_args(mdns_args)
+        dns_cache = cls._parse_cache_args(dns_args)
+        return cls(mdns_cache=mdns_cache, dns_cache=dns_cache)
+
+    @staticmethod
+    def _parse_cache_args(cache_args: Iterable[str]) -> dict[str, list[str]]:
+        """Parse cache arguments into a dictionary.
+
+        Args:
+            cache_args: List of cache mappings like ['host1=ip1,ip2', 'host2=ip3']
+
+        Returns:
+            Dictionary mapping normalized hostnames to list of IP addresses
+        """
+        cache: dict[str, list[str]] = {}
+        for arg in cache_args:
+            if "=" not in arg:
+                _LOGGER.warning(
+                    "Invalid cache format: %s (expected 'hostname=ip1,ip2')", arg
+                )
+                continue
+            hostname, ips = arg.split("=", 1)
+            # Normalize hostname for consistent lookups
+            normalized = normalize_hostname(hostname)
+            cache[normalized] = [ip.strip() for ip in ips.split(",")]
+        return cache

esphome/automation.py

@@ -15,7 +15,10 @@ from esphome.const import (
     CONF_TYPE_ID,
     CONF_UPDATE_INTERVAL,
 )
+from esphome.core import ID
+from esphome.cpp_generator import MockObj, MockObjClass, TemplateArgsType
 from esphome.schema_extractors import SCHEMA_EXTRACT, schema_extractor
+from esphome.types import ConfigType
 from esphome.util import Registry
 
 
@@ -49,11 +52,11 @@ def maybe_conf(conf, *validators):
     return validate
 
 
-def register_action(name, action_type, schema):
+def register_action(name: str, action_type: MockObjClass, schema: cv.Schema):
     return ACTION_REGISTRY.register(name, action_type, schema)
 
 
-def register_condition(name, condition_type, schema):
+def register_condition(name: str, condition_type: MockObjClass, schema: cv.Schema):
     return CONDITION_REGISTRY.register(name, condition_type, schema)
 
 
@@ -164,43 +167,78 @@ XorCondition = cg.esphome_ns.class_("XorCondition", Condition)
 
 
 @register_condition("and", AndCondition, validate_condition_list)
-async def and_condition_to_code(config, condition_id, template_arg, args):
+async def and_condition_to_code(
+    config: ConfigType,
+    condition_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     conditions = await build_condition_list(config, template_arg, args)
     return cg.new_Pvariable(condition_id, template_arg, conditions)
 
 
 @register_condition("or", OrCondition, validate_condition_list)
-async def or_condition_to_code(config, condition_id, template_arg, args):
+async def or_condition_to_code(
+    config: ConfigType,
+    condition_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     conditions = await build_condition_list(config, template_arg, args)
     return cg.new_Pvariable(condition_id, template_arg, conditions)
 
 
 @register_condition("all", AndCondition, validate_condition_list)
-async def all_condition_to_code(config, condition_id, template_arg, args):
+async def all_condition_to_code(
+    config: ConfigType,
+    condition_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     conditions = await build_condition_list(config, template_arg, args)
     return cg.new_Pvariable(condition_id, template_arg, conditions)
 
 
 @register_condition("any", OrCondition, validate_condition_list)
-async def any_condition_to_code(config, condition_id, template_arg, args):
+async def any_condition_to_code(
+    config: ConfigType,
+    condition_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     conditions = await build_condition_list(config, template_arg, args)
     return cg.new_Pvariable(condition_id, template_arg, conditions)
 
 
 @register_condition("not", NotCondition, validate_potentially_and_condition)
-async def not_condition_to_code(config, condition_id, template_arg, args):
+async def not_condition_to_code(
+    config: ConfigType,
+    condition_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     condition = await build_condition(config, template_arg, args)
     return cg.new_Pvariable(condition_id, template_arg, condition)
 
 
 @register_condition("xor", XorCondition, validate_condition_list)
-async def xor_condition_to_code(config, condition_id, template_arg, args):
+async def xor_condition_to_code(
+    config: ConfigType,
+    condition_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     conditions = await build_condition_list(config, template_arg, args)
     return cg.new_Pvariable(condition_id, template_arg, conditions)
 
 
 @register_condition("lambda", LambdaCondition, cv.returning_lambda)
-async def lambda_condition_to_code(config, condition_id, template_arg, args):
+async def lambda_condition_to_code(
+    config: ConfigType,
+    condition_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     lambda_ = await cg.process_lambda(config, args, return_type=bool)
     return cg.new_Pvariable(condition_id, template_arg, lambda_)
 
@@ -217,7 +255,12 @@ async def lambda_condition_to_code(config, condition_id, template_arg, args):
         }
     ).extend(cv.COMPONENT_SCHEMA),
 )
-async def for_condition_to_code(config, condition_id, template_arg, args):
+async def for_condition_to_code(
+    config: ConfigType,
+    condition_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     condition = await build_condition(
         config[CONF_CONDITION], cg.TemplateArguments(), []
     )
@@ -231,7 +274,12 @@ async def for_condition_to_code(config, condition_id, template_arg, args):
 @register_action(
     "delay", DelayAction, cv.templatable(cv.positive_time_period_milliseconds)
 )
-async def delay_action_to_code(config, action_id, template_arg, args):
+async def delay_action_to_code(
+    config: ConfigType,
+    action_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     var = cg.new_Pvariable(action_id, template_arg)
     await cg.register_component(var, {})
     template_ = await cg.templatable(config, args, cg.uint32)
@@ -256,10 +304,15 @@ async def delay_action_to_code(config, action_id, template_arg, args):
         cv.has_at_least_one_key(CONF_CONDITION, CONF_ANY, CONF_ALL),
     ),
 )
-async def if_action_to_code(config, action_id, template_arg, args):
+async def if_action_to_code(
+    config: ConfigType,
+    action_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     cond_conf = next(el for el in config if el in (CONF_ANY, CONF_ALL, CONF_CONDITION))
-    conditions = await build_condition(config[cond_conf], template_arg, args)
-    var = cg.new_Pvariable(action_id, template_arg, conditions)
+    condition = await build_condition(config[cond_conf], template_arg, args)
+    var = cg.new_Pvariable(action_id, template_arg, condition)
     if CONF_THEN in config:
         actions = await build_action_list(config[CONF_THEN], template_arg, args)
         cg.add(var.add_then(actions))
@@ -279,9 +332,14 @@ async def if_action_to_code(config, action_id, template_arg, args):
         }
     ),
 )
-async def while_action_to_code(config, action_id, template_arg, args):
-    conditions = await build_condition(config[CONF_CONDITION], template_arg, args)
-    var = cg.new_Pvariable(action_id, template_arg, conditions)
+async def while_action_to_code(
+    config: ConfigType,
+    action_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
+    condition = await build_condition(config[CONF_CONDITION], template_arg, args)
+    var = cg.new_Pvariable(action_id, template_arg, condition)
     actions = await build_action_list(config[CONF_THEN], template_arg, args)
     cg.add(var.add_then(actions))
     return var
@@ -297,7 +355,12 @@ async def while_action_to_code(config, action_id, template_arg, args):
         }
     ),
 )
-async def repeat_action_to_code(config, action_id, template_arg, args):
+async def repeat_action_to_code(
+    config: ConfigType,
+    action_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     var = cg.new_Pvariable(action_id, template_arg)
     count_template = await cg.templatable(config[CONF_COUNT], args, cg.uint32)
     cg.add(var.set_count(count_template))
@@ -320,9 +383,14 @@ _validate_wait_until = cv.maybe_simple_value(
 
 
 @register_action("wait_until", WaitUntilAction, _validate_wait_until)
-async def wait_until_action_to_code(config, action_id, template_arg, args):
-    conditions = await build_condition(config[CONF_CONDITION], template_arg, args)
-    var = cg.new_Pvariable(action_id, template_arg, conditions)
+async def wait_until_action_to_code(
+    config: ConfigType,
+    action_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
+    condition = await build_condition(config[CONF_CONDITION], template_arg, args)
+    var = cg.new_Pvariable(action_id, template_arg, condition)
     if CONF_TIMEOUT in config:
         template_ = await cg.templatable(config[CONF_TIMEOUT], args, cg.uint32)
         cg.add(var.set_timeout_value(template_))
@@ -331,7 +399,12 @@ async def wait_until_action_to_code(config, action_id, template_arg, args):
 
 
 @register_action("lambda", LambdaAction, cv.lambda_)
-async def lambda_action_to_code(config, action_id, template_arg, args):
+async def lambda_action_to_code(
+    config: ConfigType,
+    action_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     lambda_ = await cg.process_lambda(config, args, return_type=cg.void)
     return cg.new_Pvariable(action_id, template_arg, lambda_)
 
@@ -345,7 +418,12 @@ async def lambda_action_to_code(config, action_id, template_arg, args):
         }
     ),
 )
-async def component_update_action_to_code(config, action_id, template_arg, args):
+async def component_update_action_to_code(
+    config: ConfigType,
+    action_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     comp = await cg.get_variable(config[CONF_ID])
     return cg.new_Pvariable(action_id, template_arg, comp)
 
@@ -359,7 +437,12 @@ async def component_update_action_to_code(config, action_id, template_arg, args)
         }
     ),
 )
-async def component_suspend_action_to_code(config, action_id, template_arg, args):
+async def component_suspend_action_to_code(
+    config: ConfigType,
+    action_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     comp = await cg.get_variable(config[CONF_ID])
     return cg.new_Pvariable(action_id, template_arg, comp)
 
@@ -376,7 +459,12 @@ async def component_suspend_action_to_code(config, action_id, template_arg, args
         }
     ),
 )
-async def component_resume_action_to_code(config, action_id, template_arg, args):
+async def component_resume_action_to_code(
+    config: ConfigType,
+    action_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+) -> MockObj:
     comp = await cg.get_variable(config[CONF_ID])
     var = cg.new_Pvariable(action_id, template_arg, comp)
     if CONF_UPDATE_INTERVAL in config:
@@ -385,7 +473,9 @@ async def component_resume_action_to_code(config, action_id, template_arg, args)
     return var
 
 
-async def build_action(full_config, template_arg, args):
+async def build_action(
+    full_config: ConfigType, template_arg: cg.TemplateArguments, args: TemplateArgsType
+) -> MockObj:
     registry_entry, config = cg.extract_registry_entry_config(
         ACTION_REGISTRY, full_config
     )
@@ -394,15 +484,19 @@ async def build_action(full_config, template_arg, args):
     return await builder(config, action_id, template_arg, args)
 
 
-async def build_action_list(config, templ, arg_type):
-    actions = []
+async def build_action_list(
+    config: list[ConfigType], templ: cg.TemplateArguments, arg_type: TemplateArgsType
+) -> list[MockObj]:
+    actions: list[MockObj] = []
     for conf in config:
         action = await build_action(conf, templ, arg_type)
         actions.append(action)
     return actions
 
 
-async def build_condition(full_config, template_arg, args):
+async def build_condition(
+    full_config: ConfigType, template_arg: cg.TemplateArguments, args: TemplateArgsType
+) -> MockObj:
     registry_entry, config = cg.extract_registry_entry_config(
         CONDITION_REGISTRY, full_config
     )
@@ -411,15 +505,19 @@ async def build_condition(full_config, template_arg, args):
     return await builder(config, action_id, template_arg, args)
 
 
-async def build_condition_list(config, templ, args):
-    conditions = []
+async def build_condition_list(
+    config: ConfigType, templ: cg.TemplateArguments, args: TemplateArgsType
+) -> list[MockObj]:
+    conditions: list[MockObj] = []
     for conf in config:
         condition = await build_condition(conf, templ, args)
         conditions.append(condition)
     return conditions
 
 
-async def build_automation(trigger, args, config):
+async def build_automation(
+    trigger: MockObj, args: TemplateArgsType, config: ConfigType
+) -> MockObj:
     arg_types = [arg[0] for arg in args]
     templ = cg.TemplateArguments(*arg_types)
     obj = cg.new_Pvariable(config[CONF_AUTOMATION_ID], templ, trigger)

esphome/build_gen/platformio.py

@@ -1,5 +1,3 @@
-import os
-
 from esphome.const import __version__
 from esphome.core import CORE
 from esphome.helpers import mkdir_p, read_file, write_file_if_changed
@@ -63,7 +61,7 @@ def write_ini(content):
     update_storage_json()
     path = CORE.relative_build_path("platformio.ini")
 
-    if os.path.isfile(path):
+    if path.is_file():
         text = read_file(path)
         content_format = find_begin_end(
             text, INI_AUTO_GENERATE_BEGIN, INI_AUTO_GENERATE_END

esphome/codegen.py

@@ -12,6 +12,7 @@ from esphome.cpp_generator import (  # noqa: F401
     ArrayInitializer,
     Expression,
     LineComment,
+    LogStringLiteral,
     MockObj,
     MockObjClass,
     Pvariable,

esphome/components/adc/__init__.py

@@ -11,15 +11,8 @@ from esphome.components.esp32.const import (
     VARIANT_ESP32S2,
     VARIANT_ESP32S3,
 )
-from esphome.config_helpers import filter_source_files_from_platform
 import esphome.config_validation as cv
-from esphome.const import (
-    CONF_ANALOG,
-    CONF_INPUT,
-    CONF_NUMBER,
-    PLATFORM_ESP8266,
-    PlatformFramework,
-)
+from esphome.const import CONF_ANALOG, CONF_INPUT, CONF_NUMBER, PLATFORM_ESP8266
 from esphome.core import CORE
 
 CODEOWNERS = ["@esphome/core"]
@@ -273,21 +266,3 @@ def validate_adc_pin(value):
         )(value)
 
     raise NotImplementedError
-
-
-FILTER_SOURCE_FILES = filter_source_files_from_platform(
-    {
-        "adc_sensor_esp32.cpp": {
-            PlatformFramework.ESP32_ARDUINO,
-            PlatformFramework.ESP32_IDF,
-        },
-        "adc_sensor_esp8266.cpp": {PlatformFramework.ESP8266_ARDUINO},
-        "adc_sensor_rp2040.cpp": {PlatformFramework.RP2040_ARDUINO},
-        "adc_sensor_libretiny.cpp": {
-            PlatformFramework.BK72XX_ARDUINO,
-            PlatformFramework.RTL87XX_ARDUINO,
-            PlatformFramework.LN882X_ARDUINO,
-        },
-        "adc_sensor_zephyr.cpp": {PlatformFramework.NRF52_ZEPHYR},
-    }
-)

esphome/components/adc/adc_sensor_esp32.cpp

@@ -241,6 +241,8 @@ float ADCSensor::sample_autorange_() {
     cali_config.bitwidth = ADC_BITWIDTH_DEFAULT;
 
     err = adc_cali_create_scheme_curve_fitting(&cali_config, &handle);
+    ESP_LOGVV(TAG, "Autorange atten=%d: Calibration handle creation %s (err=%d)", atten,
+              (err == ESP_OK) ? "SUCCESS" : "FAILED", err);
 #else
     adc_cali_line_fitting_config_t cali_config = {
       .unit_id = this->adc_unit_,
@@ -251,10 +253,14 @@ float ADCSensor::sample_autorange_() {
 #endif
     };
     err = adc_cali_create_scheme_line_fitting(&cali_config, &handle);
+    ESP_LOGVV(TAG, "Autorange atten=%d: Calibration handle creation %s (err=%d)", atten,
+              (err == ESP_OK) ? "SUCCESS" : "FAILED", err);
 #endif
 
     int raw;
     err = adc_oneshot_read(this->adc_handle_, this->channel_, &raw);
+    ESP_LOGVV(TAG, "Autorange atten=%d: Raw ADC read %s, value=%d (err=%d)", atten,
+              (err == ESP_OK) ? "SUCCESS" : "FAILED", raw, err);
 
     if (err != ESP_OK) {
       ESP_LOGW(TAG, "ADC read failed in autorange with error %d", err);
@@ -275,8 +281,10 @@ float ADCSensor::sample_autorange_() {
       err = adc_cali_raw_to_voltage(handle, raw, &voltage_mv);
       if (err == ESP_OK) {
         voltage = voltage_mv / 1000.0f;
+        ESP_LOGVV(TAG, "Autorange atten=%d: CALIBRATED - raw=%d -> %dmV -> %.6fV", atten, raw, voltage_mv, voltage);
       } else {
         voltage = raw * 3.3f / 4095.0f;
+        ESP_LOGVV(TAG, "Autorange atten=%d: UNCALIBRATED FALLBACK - raw=%d -> %.6fV (3.3V ref)", atten, raw, voltage);
       }
       // Clean up calibration handle
 #if USE_ESP32_VARIANT_ESP32C3 || USE_ESP32_VARIANT_ESP32C5 || USE_ESP32_VARIANT_ESP32C6 || \
@@ -287,6 +295,7 @@ float ADCSensor::sample_autorange_() {
 #endif
     } else {
       voltage = raw * 3.3f / 4095.0f;
+      ESP_LOGVV(TAG, "Autorange atten=%d: NO CALIBRATION - raw=%d -> %.6fV (3.3V ref)", atten, raw, voltage);
     }
 
     return {raw, voltage};
@@ -324,18 +333,32 @@ float ADCSensor::sample_autorange_() {
   }
 
   const int adc_half = 2048;
-  uint32_t c12 = std::min(raw12, adc_half);
-  uint32_t c6 = adc_half - std::abs(raw6 - adc_half);
-  uint32_t c2 = adc_half - std::abs(raw2 - adc_half);
-  uint32_t c0 = std::min(4095 - raw0, adc_half);
-  uint32_t csum = c12 + c6 + c2 + c0;
+  const uint32_t c12 = std::min(raw12, adc_half);
+
+  const int32_t c6_signed = adc_half - std::abs(raw6 - adc_half);
+  const uint32_t c6 = (c6_signed > 0) ? c6_signed : 0;  // Clamp to prevent underflow
+
+  const int32_t c2_signed = adc_half - std::abs(raw2 - adc_half);
+  const uint32_t c2 = (c2_signed > 0) ? c2_signed : 0;  // Clamp to prevent underflow
+
+  const uint32_t c0 = std::min(4095 - raw0, adc_half);
+  const uint32_t csum = c12 + c6 + c2 + c0;
+
+  ESP_LOGVV(TAG, "Autorange summary:");
+  ESP_LOGVV(TAG, "  Raw readings: 12db=%d, 6db=%d, 2.5db=%d, 0db=%d", raw12, raw6, raw2, raw0);
+  ESP_LOGVV(TAG, "  Voltages: 12db=%.6f, 6db=%.6f, 2.5db=%.6f, 0db=%.6f", mv12, mv6, mv2, mv0);
+  ESP_LOGVV(TAG, "  Coefficients: c12=%u, c6=%u, c2=%u, c0=%u, sum=%u", c12, c6, c2, c0, csum);
 
   if (csum == 0) {
     ESP_LOGE(TAG, "Invalid weight sum in autorange calculation");
     return NAN;
   }
 
-  return (mv12 * c12 + mv6 * c6 + mv2 * c2 + mv0 * c0) / csum;
+  const float final_result = (mv12 * c12 + mv6 * c6 + mv2 * c2 + mv0 * c0) / csum;
+  ESP_LOGV(TAG, "Autorange final: (%.6f*%u + %.6f*%u + %.6f*%u + %.6f*%u)/%u = %.6fV", mv12, c12, mv6, c6, mv2, c2, mv0,
+           c0, csum, final_result);
+
+  return final_result;
 }
 
 }  // namespace adc

esphome/components/adc/sensor.py

@@ -9,6 +9,7 @@ from esphome.components.zephyr import (
     zephyr_add_prj_conf,
     zephyr_add_user,
 )
+from esphome.config_helpers import filter_source_files_from_platform
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_ATTENUATION,
@@ -20,6 +21,7 @@ from esphome.const import (
     PLATFORM_NRF52,
     STATE_CLASS_MEASUREMENT,
     UNIT_VOLT,
+    PlatformFramework,
 )
 from esphome.core import CORE
 
@@ -174,3 +176,21 @@ async def to_code(config):
 }};
 """
         )
+
+
+FILTER_SOURCE_FILES = filter_source_files_from_platform(
+    {
+        "adc_sensor_esp32.cpp": {
+            PlatformFramework.ESP32_ARDUINO,
+            PlatformFramework.ESP32_IDF,
+        },
+        "adc_sensor_esp8266.cpp": {PlatformFramework.ESP8266_ARDUINO},
+        "adc_sensor_rp2040.cpp": {PlatformFramework.RP2040_ARDUINO},
+        "adc_sensor_libretiny.cpp": {
+            PlatformFramework.BK72XX_ARDUINO,
+            PlatformFramework.RTL87XX_ARDUINO,
+            PlatformFramework.LN882X_ARDUINO,
+        },
+        "adc_sensor_zephyr.cpp": {PlatformFramework.NRF52_ZEPHYR},
+    }
+)

esphome/components/ade7880/ade7880.cpp

@@ -113,7 +113,7 @@ void ADE7880::update() {
   if (this->channel_a_ != nullptr) {
     auto *chan = this->channel_a_;
     this->update_sensor_from_s24zp_register16_(chan->current, AIRMS, [](float val) { return val / 100000.0f; });
-    this->update_sensor_from_s24zp_register16_(chan->voltage, BVRMS, [](float val) { return val / 10000.0f; });
+    this->update_sensor_from_s24zp_register16_(chan->voltage, AVRMS, [](float val) { return val / 10000.0f; });
     this->update_sensor_from_s24zp_register16_(chan->active_power, AWATT, [](float val) { return val / 100.0f; });
     this->update_sensor_from_s24zp_register16_(chan->apparent_power, AVA, [](float val) { return val / 100.0f; });
     this->update_sensor_from_s16_register16_(chan->power_factor, APF,

esphome/components/animation/animation.cpp

@@ -26,12 +26,12 @@ uint32_t Animation::get_animation_frame_count() const { return this->animation_f
 int Animation::get_current_frame() const { return this->current_frame_; }
 void Animation::next_frame() {
   this->current_frame_++;
-  if (loop_count_ && this->current_frame_ == loop_end_frame_ &&
+  if (loop_count_ && static_cast<uint32_t>(this->current_frame_) == loop_end_frame_ &&
       (this->loop_current_iteration_ < loop_count_ || loop_count_ < 0)) {
     this->current_frame_ = loop_start_frame_;
     this->loop_current_iteration_++;
   }
-  if (this->current_frame_ >= animation_frame_count_) {
+  if (static_cast<uint32_t>(this->current_frame_) >= animation_frame_count_) {
     this->loop_current_iteration_ = 1;
     this->current_frame_ = 0;
   }

esphome/components/api/__init__.py

@@ -1,4 +1,5 @@
 import base64
+import logging
 
 from esphome import automation
 from esphome.automation import Condition
@@ -8,34 +9,59 @@ import esphome.config_validation as cv
 from esphome.const import (
     CONF_ACTION,
     CONF_ACTIONS,
+    CONF_CAPTURE_RESPONSE,
     CONF_DATA,
     CONF_DATA_TEMPLATE,
     CONF_EVENT,
     CONF_ID,
     CONF_KEY,
+    CONF_MAX_CONNECTIONS,
     CONF_ON_CLIENT_CONNECTED,
     CONF_ON_CLIENT_DISCONNECTED,
+    CONF_ON_ERROR,
+    CONF_ON_SUCCESS,
     CONF_PASSWORD,
     CONF_PORT,
     CONF_REBOOT_TIMEOUT,
+    CONF_RESPONSE_TEMPLATE,
     CONF_SERVICE,
     CONF_SERVICES,
     CONF_TAG,
     CONF_TRIGGER_ID,
     CONF_VARIABLES,
 )
-from esphome.core import CORE, CoroPriority, coroutine_with_priority
+from esphome.core import CORE, ID, CoroPriority, coroutine_with_priority
+from esphome.cpp_generator import TemplateArgsType
+from esphome.types import ConfigType
+
+_LOGGER = logging.getLogger(__name__)
 
 DOMAIN = "api"
 DEPENDENCIES = ["network"]
-AUTO_LOAD = ["socket"]
 CODEOWNERS = ["@esphome/core"]
 
+
+def AUTO_LOAD(config: ConfigType) -> list[str]:
+    """Conditionally auto-load json only when capture_response is used."""
+    base = ["socket"]
+
+    # Check if any homeassistant.action/homeassistant.service has capture_response: true
+    # This flag is set during config validation in _validate_response_config
+    if not config or CORE.data.get(DOMAIN, {}).get(CONF_CAPTURE_RESPONSE, False):
+        return base + ["json"]
+
+    return base
+
+
 api_ns = cg.esphome_ns.namespace("api")
 APIServer = api_ns.class_("APIServer", cg.Component, cg.Controller)
 HomeAssistantServiceCallAction = api_ns.class_(
     "HomeAssistantServiceCallAction", automation.Action
 )
+ActionResponse = api_ns.class_("ActionResponse")
+HomeAssistantActionResponseTrigger = api_ns.class_(
+    "HomeAssistantActionResponseTrigger", automation.Trigger
+)
 APIConnectedCondition = api_ns.class_("APIConnectedCondition", Condition)
 
 UserServiceTrigger = api_ns.class_("UserServiceTrigger", automation.Trigger)
@@ -55,6 +81,8 @@ CONF_BATCH_DELAY = "batch_delay"
 CONF_CUSTOM_SERVICES = "custom_services"
 CONF_HOMEASSISTANT_SERVICES = "homeassistant_services"
 CONF_HOMEASSISTANT_STATES = "homeassistant_states"
+CONF_LISTEN_BACKLOG = "listen_backlog"
+CONF_MAX_SEND_QUEUE = "max_send_queue"
 
 
 def validate_encryption_key(value):
@@ -101,6 +129,32 @@ def _encryption_schema(config):
     return ENCRYPTION_SCHEMA(config)
 
 
+def _validate_api_config(config: ConfigType) -> ConfigType:
+    """Validate API configuration with mutual exclusivity check and deprecation warning."""
+    # Check if both password and encryption are configured
+    has_password = CONF_PASSWORD in config and config[CONF_PASSWORD]
+    has_encryption = CONF_ENCRYPTION in config
+
+    if has_password and has_encryption:
+        raise cv.Invalid(
+            "The 'password' and 'encryption' options are mutually exclusive. "
+            "The API client only supports one authentication method at a time. "
+            "Please remove one of them. "
+            "Note: 'password' authentication is deprecated and will be removed in version 2026.1.0. "
+            "We strongly recommend using 'encryption' instead for better security."
+        )
+
+    # Warn about password deprecation
+    if has_password:
+        _LOGGER.warning(
+            "API 'password' authentication has been deprecated since May 2022 and will be removed in version 2026.1.0. "
+            "Please migrate to the 'encryption' configuration. "
+            "See https://esphome.io/components/api.html#configuration-variables"
+        )
+
+    return config
+
+
 CONFIG_SCHEMA = cv.All(
     cv.Schema(
         {
@@ -128,9 +182,46 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(CONF_ON_CLIENT_DISCONNECTED): automation.validate_automation(
                 single=True
             ),
+            # Connection limits to prevent memory exhaustion on resource-constrained devices
+            # Each connection uses ~500-1000 bytes of RAM plus system resources
+            # Platform defaults based on available RAM and network stack implementation:
+            cv.SplitDefault(
+                CONF_LISTEN_BACKLOG,
+                esp8266=1,  # Limited RAM (~40KB free), LWIP raw sockets
+                esp32=4,  # More RAM (520KB), BSD sockets
+                rp2040=1,  # Limited RAM (264KB), LWIP raw sockets like ESP8266
+                bk72xx=4,  # Moderate RAM, BSD-style sockets
+                rtl87xx=4,  # Moderate RAM, BSD-style sockets
+                host=4,  # Abundant resources
+                ln882x=4,  # Moderate RAM
+            ): cv.int_range(min=1, max=10),
+            cv.SplitDefault(
+                CONF_MAX_CONNECTIONS,
+                esp8266=4,  # ~40KB free RAM, each connection uses ~500-1000 bytes
+                esp32=8,  # 520KB RAM available
+                rp2040=4,  # 264KB RAM but LWIP constraints
+                bk72xx=8,  # Moderate RAM
+                rtl87xx=8,  # Moderate RAM
+                host=8,  # Abundant resources
+                ln882x=8,  # Moderate RAM
+            ): cv.int_range(min=1, max=20),
+            # Maximum queued send buffers per connection before dropping connection
+            # Each buffer uses ~8-12 bytes overhead plus actual message size
+            # Platform defaults based on available RAM and typical message rates:
+            cv.SplitDefault(
+                CONF_MAX_SEND_QUEUE,
+                esp8266=5,  # Limited RAM, need to fail fast
+                esp32=8,  # More RAM, can buffer more
+                rp2040=5,  # Limited RAM
+                bk72xx=8,  # Moderate RAM
+                rtl87xx=8,  # Moderate RAM
+                host=16,  # Abundant resources
+                ln882x=8,  # Moderate RAM
+            ): cv.int_range(min=1, max=64),
         }
     ).extend(cv.COMPONENT_SCHEMA),
     cv.rename_key(CONF_SERVICES, CONF_ACTIONS),
+    _validate_api_config,
 )
 
 
@@ -145,6 +236,11 @@ async def to_code(config):
         cg.add(var.set_password(config[CONF_PASSWORD]))
     cg.add(var.set_reboot_timeout(config[CONF_REBOOT_TIMEOUT]))
     cg.add(var.set_batch_delay(config[CONF_BATCH_DELAY]))
+    if CONF_LISTEN_BACKLOG in config:
+        cg.add(var.set_listen_backlog(config[CONF_LISTEN_BACKLOG]))
+    if CONF_MAX_CONNECTIONS in config:
+        cg.add(var.set_max_connections(config[CONF_MAX_CONNECTIONS]))
+    cg.add_define("API_MAX_SEND_QUEUE", config[CONF_MAX_SEND_QUEUE])
 
     # Set USE_API_SERVICES if any services are enabled
     if config.get(CONF_ACTIONS) or config[CONF_CUSTOM_SERVICES]:
@@ -193,6 +289,7 @@ async def to_code(config):
         if key := encryption_config.get(CONF_KEY):
             decoded = base64.b64decode(key)
             cg.add(var.set_noise_psk(list(decoded)))
+            cg.add_define("USE_API_NOISE_PSK_FROM_YAML")
         else:
             # No key provided, but encryption desired
             # This will allow a plaintext client to provide a noise key,
@@ -212,6 +309,29 @@ async def to_code(config):
 KEY_VALUE_SCHEMA = cv.Schema({cv.string: cv.templatable(cv.string_strict)})
 
 
+def _validate_response_config(config: ConfigType) -> ConfigType:
+    # Validate dependencies:
+    # - response_template requires capture_response: true
+    # - capture_response: true requires on_success
+    if CONF_RESPONSE_TEMPLATE in config and not config[CONF_CAPTURE_RESPONSE]:
+        raise cv.Invalid(
+            f"`{CONF_RESPONSE_TEMPLATE}` requires `{CONF_CAPTURE_RESPONSE}: true` to be set.",
+            path=[CONF_RESPONSE_TEMPLATE],
+        )
+
+    if config[CONF_CAPTURE_RESPONSE] and CONF_ON_SUCCESS not in config:
+        raise cv.Invalid(
+            f"`{CONF_CAPTURE_RESPONSE}: true` requires `{CONF_ON_SUCCESS}` to be set.",
+            path=[CONF_CAPTURE_RESPONSE],
+        )
+
+    # Track if any action uses capture_response for AUTO_LOAD
+    if config[CONF_CAPTURE_RESPONSE]:
+        CORE.data.setdefault(DOMAIN, {})[CONF_CAPTURE_RESPONSE] = True
+
+    return config
+
+
 HOMEASSISTANT_ACTION_ACTION_SCHEMA = cv.All(
     cv.Schema(
         {
@@ -227,10 +347,15 @@ HOMEASSISTANT_ACTION_ACTION_SCHEMA = cv.All(
             cv.Optional(CONF_VARIABLES, default={}): cv.Schema(
                 {cv.string: cv.returning_lambda}
             ),
+            cv.Optional(CONF_RESPONSE_TEMPLATE): cv.templatable(cv.string),
+            cv.Optional(CONF_CAPTURE_RESPONSE, default=False): cv.boolean,
+            cv.Optional(CONF_ON_SUCCESS): automation.validate_automation(single=True),
+            cv.Optional(CONF_ON_ERROR): automation.validate_automation(single=True),
         }
     ),
     cv.has_exactly_one_key(CONF_SERVICE, CONF_ACTION),
     cv.rename_key(CONF_SERVICE, CONF_ACTION),
+    _validate_response_config,
 )
 
 
@@ -244,7 +369,12 @@ HOMEASSISTANT_ACTION_ACTION_SCHEMA = cv.All(
     HomeAssistantServiceCallAction,
     HOMEASSISTANT_ACTION_ACTION_SCHEMA,
 )
-async def homeassistant_service_to_code(config, action_id, template_arg, args):
+async def homeassistant_service_to_code(
+    config: ConfigType,
+    action_id: ID,
+    template_arg: cg.TemplateArguments,
+    args: TemplateArgsType,
+):
     cg.add_define("USE_API_HOMEASSISTANT_SERVICES")
     serv = await cg.get_variable(config[CONF_ID])
     var = cg.new_Pvariable(action_id, template_arg, serv, False)
@@ -259,6 +389,40 @@ async def homeassistant_service_to_code(config, action_id, template_arg, args):
     for key, value in config[CONF_VARIABLES].items():
         templ = await cg.templatable(value, args, None)
         cg.add(var.add_variable(key, templ))
+
+    if on_error := config.get(CONF_ON_ERROR):
+        cg.add_define("USE_API_HOMEASSISTANT_ACTION_RESPONSES")
+        cg.add_define("USE_API_HOMEASSISTANT_ACTION_RESPONSES_ERRORS")
+        cg.add(var.set_wants_status())
+        await automation.build_automation(
+            var.get_error_trigger(),
+            [(cg.std_string, "error"), *args],
+            on_error,
+        )
+
+    if on_success := config.get(CONF_ON_SUCCESS):
+        cg.add_define("USE_API_HOMEASSISTANT_ACTION_RESPONSES")
+        cg.add(var.set_wants_status())
+        if config[CONF_CAPTURE_RESPONSE]:
+            cg.add(var.set_wants_response())
+            cg.add_define("USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON")
+            await automation.build_automation(
+                var.get_success_trigger_with_response(),
+                [(cg.JsonObjectConst, "response"), *args],
+                on_success,
+            )
+
+            if response_template := config.get(CONF_RESPONSE_TEMPLATE):
+                templ = await cg.templatable(response_template, args, cg.std_string)
+                cg.add(var.set_response_template(templ))
+
+        else:
+            await automation.build_automation(
+                var.get_success_trigger(),
+                args,
+                on_success,
+            )
+
     return var
 
 

esphome/components/api/api.proto

@@ -7,7 +7,7 @@ service APIConnection {
     option (needs_setup_connection) = false;
     option (needs_authentication) = false;
   }
-  rpc connect (ConnectRequest) returns (ConnectResponse) {
+  rpc authenticate (AuthenticationRequest) returns (AuthenticationResponse) {
     option (needs_setup_connection) = false;
     option (needs_authentication) = false;
   }
@@ -27,9 +27,6 @@ service APIConnection {
   rpc subscribe_logs (SubscribeLogsRequest) returns (void) {}
   rpc subscribe_homeassistant_services (SubscribeHomeassistantServicesRequest) returns (void) {}
   rpc subscribe_home_assistant_states (SubscribeHomeAssistantStatesRequest) returns (void) {}
-  rpc get_time (GetTimeRequest) returns (GetTimeResponse) {
-    option (needs_authentication) = false;
-  }
   rpc execute_service (ExecuteServiceRequest) returns (void) {}
   rpc noise_encryption_set_key (NoiseEncryptionSetKeyRequest) returns (NoiseEncryptionSetKeyResponse) {}
 
@@ -69,6 +66,9 @@ service APIConnection {
   rpc voice_assistant_set_configuration(VoiceAssistantSetConfiguration) returns (void) {}
 
   rpc alarm_control_panel_command (AlarmControlPanelCommandRequest) returns (void) {}
+
+  rpc zwave_proxy_frame(ZWaveProxyFrame) returns (void) {}
+  rpc zwave_proxy_request(ZWaveProxyRequest) returns (void) {}
 }
 
 
@@ -102,7 +102,7 @@ message HelloRequest {
   // For example "Home Assistant"
   // Not strictly necessary to send but nice for debugging
   // purposes.
-  string client_info = 1;
+  string client_info = 1 [(pointer_to_buffer) = true];
   uint32 api_version_major = 2;
   uint32 api_version_minor = 3;
 }
@@ -132,21 +132,23 @@ message HelloResponse {
 
 // Message sent at the beginning of each connection to authenticate the client
 // Can only be sent by the client and only at the beginning of the connection
-message ConnectRequest {
+message AuthenticationRequest {
   option (id) = 3;
   option (source) = SOURCE_CLIENT;
   option (no_delay) = true;
+  option (ifdef) = "USE_API_PASSWORD";
 
   // The password to log in with
-  string password = 1;
+  string password = 1 [(pointer_to_buffer) = true];
 }
 
 // Confirmation of successful connection. After this the connection is available for all traffic.
 // Can only be sent by the server and only at the beginning of the connection
-message ConnectResponse {
+message AuthenticationResponse {
   option (id) = 4;
   option (source) = SOURCE_SERVER;
   option (no_delay) = true;
+  option (ifdef) = "USE_API_PASSWORD";
 
   bool invalid_password = 1;
 }
@@ -255,6 +257,10 @@ message DeviceInfoResponse {
 
   // Top-level area info to phase out suggested_area
   AreaInfo area = 22 [(field_ifdef) = "USE_AREAS"];
+
+  // Indicates if Z-Wave proxy support is available and features supported
+  uint32 zwave_proxy_feature_flags = 23 [(field_ifdef) = "USE_ZWAVE_PROXY"];
+  uint32 zwave_home_id = 24 [(field_ifdef) = "USE_ZWAVE_PROXY"];
 }
 
 message ListEntitiesRequest {
@@ -763,7 +769,7 @@ message HomeassistantServiceMap {
   string value = 2 [(no_zero_copy) = true];
 }
 
-message HomeassistantServiceResponse {
+message HomeassistantActionRequest {
   option (id) = 35;
   option (source) = SOURCE_SERVER;
   option (no_delay) = true;
@@ -774,6 +780,22 @@ message HomeassistantServiceResponse {
   repeated HomeassistantServiceMap data_template = 3;
   repeated HomeassistantServiceMap variables = 4;
   bool is_event = 5;
+  uint32 call_id = 6 [(field_ifdef) = "USE_API_HOMEASSISTANT_ACTION_RESPONSES"];
+  bool wants_response = 7 [(field_ifdef) = "USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON"];
+  string response_template = 8 [(no_zero_copy) = true, (field_ifdef) = "USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON"];
+}
+
+// Message sent by Home Assistant to ESPHome with service call response data
+message HomeassistantActionResponse {
+  option (id) = 130;
+  option (source) = SOURCE_CLIENT;
+  option (no_delay) = true;
+  option (ifdef) = "USE_API_HOMEASSISTANT_ACTION_RESPONSES";
+
+  uint32 call_id = 1; // Matches the call_id from HomeassistantActionRequest
+  bool success = 2; // Whether the service call succeeded
+  string error_message = 3; // Error message if success = false
+  bytes response_data = 4 [(pointer_to_buffer) = true, (field_ifdef) = "USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON"];
 }
 
 // ==================== IMPORT HOME ASSISTANT STATES ====================
@@ -809,15 +831,16 @@ message HomeAssistantStateResponse {
 // ==================== IMPORT TIME ====================
 message GetTimeRequest {
   option (id) = 36;
-  option (source) = SOURCE_BOTH;
+  option (source) = SOURCE_SERVER;
 }
 
 message GetTimeResponse {
   option (id) = 37;
-  option (source) = SOURCE_BOTH;
+  option (source) = SOURCE_CLIENT;
   option (no_delay) = true;
 
   fixed32 epoch_seconds = 1;
+  string timezone = 2 [(pointer_to_buffer) = true];
 }
 
 // ==================== USER-DEFINES SERVICES ====================
@@ -1458,7 +1481,7 @@ message BluetoothDeviceRequest {
 
   uint64 address = 1;
   BluetoothDeviceRequestType request_type = 2;
-  bool has_address_type = 3;
+  bool has_address_type = 3;  // Deprecated, should be removed in 2027.8 - https://github.com/esphome/esphome/pull/10318
   uint32 address_type = 4;
 }
 
@@ -1564,7 +1587,7 @@ message BluetoothGATTWriteRequest {
   uint32 handle = 2;
   bool response = 3;
 
-  bytes data = 4;
+  bytes data = 4 [(pointer_to_buffer) = true];
 }
 
 message BluetoothGATTReadDescriptorRequest {
@@ -1584,7 +1607,7 @@ message BluetoothGATTWriteDescriptorRequest {
   uint64 address = 1;
   uint32 handle = 2;
 
-  bytes data = 3;
+  bytes data = 3 [(pointer_to_buffer) = true];
 }
 
 message BluetoothGATTNotifyRequest {
@@ -1858,10 +1881,22 @@ message VoiceAssistantWakeWord {
   repeated string trained_languages = 3;
 }
 
+message VoiceAssistantExternalWakeWord {
+  string id = 1;
+  string wake_word = 2;
+  repeated string trained_languages = 3;
+  string model_type = 4;
+  uint32 model_size = 5;
+  string model_hash = 6;
+  string url = 7;
+}
+
 message VoiceAssistantConfigurationRequest {
   option (id) = 121;
   option (source) = SOURCE_CLIENT;
   option (ifdef) = "USE_VOICE_ASSISTANT";
+
+  repeated VoiceAssistantExternalWakeWord external_wake_words = 1;
 }
 
 message VoiceAssistantConfigurationResponse {
@@ -2276,3 +2311,28 @@ message UpdateCommandRequest {
   UpdateCommand command = 2;
   uint32 device_id = 3 [(field_ifdef) = "USE_DEVICES"];
 }
+
+// ==================== Z-WAVE ====================
+
+message ZWaveProxyFrame {
+  option (id) = 128;
+  option (source) = SOURCE_BOTH;
+  option (ifdef) = "USE_ZWAVE_PROXY";
+  option (no_delay) = true;
+
+  bytes data = 1 [(pointer_to_buffer) = true];
+}
+
+enum ZWaveProxyRequestType {
+  ZWAVE_PROXY_REQUEST_TYPE_SUBSCRIBE = 0;
+  ZWAVE_PROXY_REQUEST_TYPE_UNSUBSCRIBE = 1;
+  ZWAVE_PROXY_REQUEST_TYPE_HOME_ID_CHANGE = 2;
+}
+message ZWaveProxyRequest {
+  option (id) = 129;
+  option (source) = SOURCE_BOTH;
+  option (ifdef) = "USE_ZWAVE_PROXY";
+
+  ZWaveProxyRequestType type = 1;
+  bytes data = 2 [(pointer_to_buffer) = true];
+}

esphome/components/api/api_connection.cpp

@@ -8,9 +8,9 @@
 #endif
 #include <cerrno>
 #include <cinttypes>
-#include <utility>
 #include <functional>
 #include <limits>
+#include <utility>
 #include "esphome/components/network/util.h"
 #include "esphome/core/application.h"
 #include "esphome/core/entity_base.h"
@@ -30,6 +30,9 @@
 #ifdef USE_VOICE_ASSISTANT
 #include "esphome/components/voice_assistant/voice_assistant.h"
 #endif
+#ifdef USE_ZWAVE_PROXY
+#include "esphome/components/zwave_proxy/zwave_proxy.h"
+#endif
 
 namespace esphome::api {
 
@@ -42,6 +45,8 @@ static constexpr uint8_t MAX_PING_RETRIES = 60;
 static constexpr uint16_t PING_RETRY_INTERVAL = 1000;
 static constexpr uint32_t KEEPALIVE_DISCONNECT_TIMEOUT = (KEEPALIVE_TIMEOUT_MS * 5) / 2;
 
+static constexpr auto ESPHOME_VERSION_REF = StringRef::from_lit(ESPHOME_VERSION);
+
 static const char *const TAG = "api.connection";
 #ifdef USE_CAMERA
 static const int CAMERA_STOP_STREAM = 5000;
@@ -111,8 +116,7 @@ void APIConnection::start() {
 
   APIError err = this->helper_->init();
   if (err != APIError::OK) {
-    on_fatal_error();
-    this->log_warning_(LOG_STR("Helper init failed"), err);
+    this->fatal_error_with_log_(LOG_STR("Helper init failed"), err);
     return;
   }
   this->client_info_.peername = helper_->getpeername();
@@ -142,8 +146,7 @@ void APIConnection::loop() {
 
   APIError err = this->helper_->loop();
   if (err != APIError::OK) {
-    on_fatal_error();
-    this->log_socket_operation_failed_(err);
+    this->fatal_error_with_log_(LOG_STR("Socket operation failed"), err);
     return;
   }
 
@@ -158,17 +161,13 @@ void APIConnection::loop() {
         // No more data available
         break;
       } else if (err != APIError::OK) {
-        on_fatal_error();
-        this->log_warning_(LOG_STR("Reading failed"), err);
+        this->fatal_error_with_log_(LOG_STR("Reading failed"), err);
         return;
       } else {
         this->last_traffic_ = now;
         // read a packet
-        if (buffer.data_len > 0) {
-          this->read_message(buffer.data_len, buffer.type, &buffer.container[buffer.data_offset]);
-        } else {
-          this->read_message(0, buffer.type, nullptr);
-        }
+        this->read_message(buffer.data_len, buffer.type,
+                           buffer.data_len > 0 ? &buffer.container[buffer.data_offset] : nullptr);
         if (this->flags_.remove)
           return;
       }
@@ -200,7 +199,8 @@ void APIConnection::loop() {
     // Disconnect if not responded within 2.5*keepalive
     if (now - this->last_traffic_ > KEEPALIVE_DISCONNECT_TIMEOUT) {
       on_fatal_error();
-      ESP_LOGW(TAG, "%s is unresponsive; disconnecting", this->get_client_combined_info().c_str());
+      ESP_LOGW(TAG, "%s (%s) is unresponsive; disconnecting", this->client_info_.name.c_str(),
+               this->client_info_.peername.c_str());
     }
   } else if (now - this->last_traffic_ > KEEPALIVE_TIMEOUT_MS && !this->flags_.remove) {
     // Only send ping if we're not disconnecting
@@ -250,7 +250,7 @@ bool APIConnection::send_disconnect_response(const DisconnectRequest &msg) {
   // remote initiated disconnect_client
   // don't close yet, we still need to send the disconnect response
   // close will happen on next loop
-  ESP_LOGD(TAG, "%s disconnected", this->get_client_combined_info().c_str());
+  ESP_LOGD(TAG, "%s (%s) disconnected", this->client_info_.name.c_str(), this->client_info_.peername.c_str());
   this->flags_.next_close = true;
   DisconnectResponse resp;
   return this->send_message(resp, DisconnectResponse::MESSAGE_TYPE);
@@ -1070,17 +1070,23 @@ void APIConnection::camera_image(const CameraImageRequest &msg) {
 
 #ifdef USE_HOMEASSISTANT_TIME
 void APIConnection::on_get_time_response(const GetTimeResponse &value) {
-  if (homeassistant::global_homeassistant_time != nullptr)
+  if (homeassistant::global_homeassistant_time != nullptr) {
     homeassistant::global_homeassistant_time->set_epoch_time(value.epoch_seconds);
+#ifdef USE_TIME_TIMEZONE
+    if (value.timezone_len > 0) {
+      const std::string &current_tz = homeassistant::global_homeassistant_time->get_timezone();
+      // Compare without allocating a string
+      if (current_tz.length() != value.timezone_len ||
+          memcmp(current_tz.c_str(), value.timezone, value.timezone_len) != 0) {
+        homeassistant::global_homeassistant_time->set_timezone(
+            std::string(reinterpret_cast<const char *>(value.timezone), value.timezone_len));
+      }
+    }
+#endif
+  }
 }
 #endif
 
-bool APIConnection::send_get_time_response(const GetTimeRequest &msg) {
-  GetTimeResponse resp;
-  resp.epoch_seconds = ::time(nullptr);
-  return this->send_message(resp, GetTimeResponse::MESSAGE_TYPE);
-}
-
 #ifdef USE_BLUETOOTH_PROXY
 void APIConnection::subscribe_bluetooth_le_advertisements(const SubscribeBluetoothLEAdvertisementsRequest &msg) {
   bluetooth_proxy::global_bluetooth_proxy->subscribe_api_connection(this, msg.flags);
@@ -1191,6 +1197,23 @@ bool APIConnection::send_voice_assistant_get_configuration_response(const VoiceA
       resp_wake_word.trained_languages.push_back(lang);
     }
   }
+
+  // Filter external wake words
+  for (auto &wake_word : msg.external_wake_words) {
+    if (wake_word.model_type != "micro") {
+      // microWakeWord only
+      continue;
+    }
+
+    resp.available_wake_words.emplace_back();
+    auto &resp_wake_word = resp.available_wake_words.back();
+    resp_wake_word.set_id(StringRef(wake_word.id));
+    resp_wake_word.set_wake_word(StringRef(wake_word.wake_word));
+    for (const auto &lang : wake_word.trained_languages) {
+      resp_wake_word.trained_languages.push_back(lang);
+    }
+  }
+
   resp.active_wake_words = &config.active_wake_words;
   resp.max_active_wake_words = config.max_active_wake_words;
   return this->send_message(resp, VoiceAssistantConfigurationResponse::MESSAGE_TYPE);
@@ -1201,7 +1224,16 @@ void APIConnection::voice_assistant_set_configuration(const VoiceAssistantSetCon
     voice_assistant::global_voice_assistant->on_set_configuration(msg.active_wake_words);
   }
 }
+#endif
 
+#ifdef USE_ZWAVE_PROXY
+void APIConnection::zwave_proxy_frame(const ZWaveProxyFrame &msg) {
+  zwave_proxy::global_zwave_proxy->send_frame(msg.data, msg.data_len);
+}
+
+void APIConnection::zwave_proxy_request(const ZWaveProxyRequest &msg) {
+  zwave_proxy::global_zwave_proxy->zwave_proxy_request(this, msg.type);
+}
 #endif
 
 #ifdef USE_ALARM_CONTROL_PANEL
@@ -1348,7 +1380,7 @@ void APIConnection::complete_authentication_() {
   }
 
   this->flags_.connection_state = static_cast<uint8_t>(ConnectionState::AUTHENTICATED);
-  ESP_LOGD(TAG, "%s connected", this->get_client_combined_info().c_str());
+  ESP_LOGD(TAG, "%s (%s) connected", this->client_info_.name.c_str(), this->client_info_.peername.c_str());
 #ifdef USE_API_CLIENT_CONNECTED_TRIGGER
   this->parent_->get_client_connected_trigger()->trigger(this->client_info_.name, this->client_info_.peername);
 #endif
@@ -1357,10 +1389,15 @@ void APIConnection::complete_authentication_() {
     this->send_time_request();
   }
 #endif
+#ifdef USE_ZWAVE_PROXY
+  if (zwave_proxy::global_zwave_proxy != nullptr) {
+    zwave_proxy::global_zwave_proxy->api_connection_authenticated(this);
+  }
+#endif
 }
 
 bool APIConnection::send_hello_response(const HelloRequest &msg) {
-  this->client_info_.name = msg.client_info;
+  this->client_info_.name.assign(reinterpret_cast<const char *>(msg.client_info), msg.client_info_len);
   this->client_info_.peername = this->helper_->getpeername();
   this->client_api_version_major_ = msg.api_version_major;
   this->client_api_version_minor_ = msg.api_version_minor;
@@ -1370,9 +1407,8 @@ bool APIConnection::send_hello_response(const HelloRequest &msg) {
   HelloResponse resp;
   resp.api_version_major = 1;
   resp.api_version_minor = 12;
-  // Temporary string for concatenation - will be valid during send_message call
-  std::string server_info = App.get_name() + " (esphome v" ESPHOME_VERSION ")";
-  resp.set_server_info(StringRef(server_info));
+  // Send only the version string - the client only logs this for debugging and doesn't use it otherwise
+  resp.set_server_info(ESPHOME_VERSION_REF);
   resp.set_name(StringRef(App.get_name()));
 
 #ifdef USE_API_PASSWORD
@@ -1385,20 +1421,17 @@ bool APIConnection::send_hello_response(const HelloRequest &msg) {
 
   return this->send_message(resp, HelloResponse::MESSAGE_TYPE);
 }
-bool APIConnection::send_connect_response(const ConnectRequest &msg) {
-  bool correct = true;
 #ifdef USE_API_PASSWORD
-  correct = this->parent_->check_password(msg.password);
-#endif
-
-  ConnectResponse resp;
+bool APIConnection::send_authenticate_response(const AuthenticationRequest &msg) {
+  AuthenticationResponse resp;
   // bool invalid_password = 1;
-  resp.invalid_password = !correct;
-  if (correct) {
+  resp.invalid_password = !this->parent_->check_password(msg.password, msg.password_len);
+  if (!resp.invalid_password) {
     this->complete_authentication_();
   }
-  return this->send_message(resp, ConnectResponse::MESSAGE_TYPE);
+  return this->send_message(resp, AuthenticationResponse::MESSAGE_TYPE);
 }
+#endif  // USE_API_PASSWORD
 
 bool APIConnection::send_ping_response(const PingRequest &msg) {
   PingResponse resp;
@@ -1419,8 +1452,6 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
   std::string mac_address = get_mac_address_pretty();
   resp.set_mac_address(StringRef(mac_address));
 
-  // Compile-time StringRef constants
-  static constexpr auto ESPHOME_VERSION_REF = StringRef::from_lit(ESPHOME_VERSION);
   resp.set_esphome_version(ESPHOME_VERSION_REF);
 
   resp.set_compilation_time(App.get_compilation_time_ref());
@@ -1464,6 +1495,10 @@ bool APIConnection::send_device_info_response(const DeviceInfoRequest &msg) {
 #ifdef USE_VOICE_ASSISTANT
   resp.voice_assistant_feature_flags = voice_assistant::global_voice_assistant->get_feature_flags();
 #endif
+#ifdef USE_ZWAVE_PROXY
+  resp.zwave_proxy_feature_flags = zwave_proxy::global_zwave_proxy->get_feature_flags();
+  resp.zwave_home_id = zwave_proxy::global_zwave_proxy->get_home_id();
+#endif
 #ifdef USE_API_NOISE
   resp.api_encryption_supported = true;
 #endif
@@ -1514,6 +1549,20 @@ void APIConnection::execute_service(const ExecuteServiceRequest &msg) {
   }
 }
 #endif
+
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+void APIConnection::on_homeassistant_action_response(const HomeassistantActionResponse &msg) {
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  if (msg.response_data_len > 0) {
+    this->parent_->handle_action_response(msg.call_id, msg.success, msg.error_message, msg.response_data,
+                                          msg.response_data_len);
+  } else
+#endif
+  {
+    this->parent_->handle_action_response(msg.call_id, msg.success, msg.error_message);
+  }
+};
+#endif
 #ifdef USE_API_NOISE
 bool APIConnection::send_noise_encryption_set_key_response(const NoiseEncryptionSetKeyRequest &msg) {
   NoiseEncryptionSetKeyResponse resp;
@@ -1544,8 +1593,7 @@ bool APIConnection::try_to_clear_buffer(bool log_out_of_space) {
   delay(0);
   APIError err = this->helper_->loop();
   if (err != APIError::OK) {
-    on_fatal_error();
-    this->log_socket_operation_failed_(err);
+    this->fatal_error_with_log_(LOG_STR("Socket operation failed"), err);
     return false;
   }
   if (this->helper_->can_write_without_blocking())
@@ -1564,8 +1612,7 @@ bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) {
   if (err == APIError::WOULD_BLOCK)
     return false;
   if (err != APIError::OK) {
-    on_fatal_error();
-    this->log_warning_(LOG_STR("Packet write failed"), err);
+    this->fatal_error_with_log_(LOG_STR("Packet write failed"), err);
     return false;
   }
   // Do not set last_traffic_ on send
@@ -1574,12 +1621,12 @@ bool APIConnection::send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) {
 #ifdef USE_API_PASSWORD
 void APIConnection::on_unauthenticated_access() {
   this->on_fatal_error();
-  ESP_LOGD(TAG, "%s access without authentication", this->get_client_combined_info().c_str());
+  ESP_LOGD(TAG, "%s (%s) no authentication", this->client_info_.name.c_str(), this->client_info_.peername.c_str());
 }
 #endif
 void APIConnection::on_no_setup_connection() {
   this->on_fatal_error();
-  ESP_LOGD(TAG, "%s access without full connection", this->get_client_combined_info().c_str());
+  ESP_LOGD(TAG, "%s (%s) no connection setup", this->client_info_.name.c_str(), this->client_info_.peername.c_str());
 }
 void APIConnection::on_fatal_error() {
   this->helper_->close();
@@ -1751,8 +1798,7 @@ void APIConnection::process_batch_() {
   APIError err = this->helper_->write_protobuf_packets(ProtoWriteBuffer{&shared_buf},
                                                        std::span<const PacketInfo>(packet_info, packet_count));
   if (err != APIError::OK && err != APIError::WOULD_BLOCK) {
-    on_fatal_error();
-    this->log_warning_(LOG_STR("Batch write failed"), err);
+    this->fatal_error_with_log_(LOG_STR("Batch write failed"), err);
   }
 
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1831,12 +1877,8 @@ void APIConnection::process_state_subscriptions_() {
 #endif  // USE_API_HOMEASSISTANT_STATES
 
 void APIConnection::log_warning_(const LogString *message, APIError err) {
-  ESP_LOGW(TAG, "%s: %s %s errno=%d", this->get_client_combined_info().c_str(), LOG_STR_ARG(message),
-           LOG_STR_ARG(api_error_to_logstr(err)), errno);
-}
-
-void APIConnection::log_socket_operation_failed_(APIError err) {
-  this->log_warning_(LOG_STR("Socket operation failed"), err);
+  ESP_LOGW(TAG, "%s (%s): %s %s errno=%d", this->client_info_.name.c_str(), this->client_info_.peername.c_str(),
+           LOG_STR_ARG(message), LOG_STR_ARG(api_error_to_logstr(err)), errno);
 }
 
 }  // namespace esphome::api

esphome/components/api/api_connection.h

@@ -1,3 +1,4 @@
+// ci test
 #pragma once
 
 #include "esphome/core/defines.h"
@@ -10,8 +11,8 @@
 #include "esphome/core/component.h"
 #include "esphome/core/entity_base.h"
 
-#include <vector>
 #include <functional>
+#include <vector>
 
 namespace esphome::api {
 
@@ -19,14 +20,6 @@ namespace esphome::api {
 struct ClientInfo {
   std::string name;      // Client name from Hello message
   std::string peername;  // IP:port from socket
-
-  std::string get_combined_info() const {
-    if (name == peername) {
-      // Before Hello message, both are the same
-      return name;
-    }
-    return name + " (" + peername + ")";
-  }
 };
 
 // Keepalive timeout in milliseconds
@@ -132,12 +125,15 @@ class APIConnection final : public APIServerConnection {
 #endif
   bool try_send_log_message(int level, const char *tag, const char *line, size_t message_len);
 #ifdef USE_API_HOMEASSISTANT_SERVICES
-  void send_homeassistant_service_call(const HomeassistantServiceResponse &call) {
+  void send_homeassistant_action(const HomeassistantActionRequest &call) {
     if (!this->flags_.service_call_subscription)
       return;
-    this->send_message(call, HomeassistantServiceResponse::MESSAGE_TYPE);
+    this->send_message(call, HomeassistantActionRequest::MESSAGE_TYPE);
   }
-#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+  void on_homeassistant_action_response(const HomeassistantActionResponse &msg) override;
+#endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES
+#endif  // USE_API_HOMEASSISTANT_SERVICES
 #ifdef USE_BLUETOOTH_PROXY
   void subscribe_bluetooth_le_advertisements(const SubscribeBluetoothLEAdvertisementsRequest &msg) override;
   void unsubscribe_bluetooth_le_advertisements(const UnsubscribeBluetoothLEAdvertisementsRequest &msg) override;
@@ -171,6 +167,11 @@ class APIConnection final : public APIServerConnection {
   void voice_assistant_set_configuration(const VoiceAssistantSetConfiguration &msg) override;
 #endif
 
+#ifdef USE_ZWAVE_PROXY
+  void zwave_proxy_frame(const ZWaveProxyFrame &msg) override;
+  void zwave_proxy_request(const ZWaveProxyRequest &msg) override;
+#endif
+
 #ifdef USE_ALARM_CONTROL_PANEL
   bool send_alarm_control_panel_state(alarm_control_panel::AlarmControlPanel *a_alarm_control_panel);
   void alarm_control_panel_command(const AlarmControlPanelCommandRequest &msg) override;
@@ -197,7 +198,9 @@ class APIConnection final : public APIServerConnection {
   void on_get_time_response(const GetTimeResponse &value) override;
 #endif
   bool send_hello_response(const HelloRequest &msg) override;
-  bool send_connect_response(const ConnectRequest &msg) override;
+#ifdef USE_API_PASSWORD
+  bool send_authenticate_response(const AuthenticationRequest &msg) override;
+#endif
   bool send_disconnect_response(const DisconnectRequest &msg) override;
   bool send_ping_response(const PingRequest &msg) override;
   bool send_device_info_response(const DeviceInfoRequest &msg) override;
@@ -219,7 +222,6 @@ class APIConnection final : public APIServerConnection {
 #ifdef USE_API_HOMEASSISTANT_STATES
   void subscribe_home_assistant_states(const SubscribeHomeAssistantStatesRequest &msg) override;
 #endif
-  bool send_get_time_response(const GetTimeRequest &msg) override;
 #ifdef USE_API_SERVICES
   void execute_service(const ExecuteServiceRequest &msg) override;
 #endif
@@ -272,7 +274,8 @@ class APIConnection final : public APIServerConnection {
   bool try_to_clear_buffer(bool log_out_of_space);
   bool send_buffer(ProtoWriteBuffer buffer, uint8_t message_type) override;
 
-  std::string get_client_combined_info() const { return this->client_info_.get_combined_info(); }
+  const std::string &get_name() const { return this->client_info_.name; }
+  const std::string &get_peername() const { return this->client_info_.peername; }
 
  protected:
   // Helper function to handle authentication completion
@@ -733,8 +736,11 @@ class APIConnection final : public APIServerConnection {
 
   // Helper function to log API errors with errno
   void log_warning_(const LogString *message, APIError err);
-  // Specific helper for duplicated error message
-  void log_socket_operation_failed_(APIError err);
+  // Helper to handle fatal errors with logging
+  inline void fatal_error_with_log_(const LogString *message, APIError err) {
+    this->on_fatal_error();
+    this->log_warning_(message, err);
+  }
 };
 
 }  // namespace esphome::api

esphome/components/api/api_frame_helper.cpp

@@ -13,7 +13,8 @@ namespace esphome::api {
 
 static const char *const TAG = "api.frame_helper";
 
-#define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s: " msg, this->client_info_->get_combined_info().c_str(), ##__VA_ARGS__)
+#define HELPER_LOG(msg, ...) \
+  ESP_LOGVV(TAG, "%s (%s): " msg, this->client_info_->name.c_str(), this->client_info_->peername.c_str(), ##__VA_ARGS__)
 
 #ifdef HELPER_LOG_PACKETS
 #define LOG_PACKET_RECEIVED(buffer) ESP_LOGVV(TAG, "Received frame: %s", format_hex_pretty(buffer).c_str())
@@ -80,7 +81,7 @@ const LogString *api_error_to_logstr(APIError err) {
 
 // Default implementation for loop - handles sending buffered data
 APIError APIFrameHelper::loop() {
-  if (!this->tx_buf_.empty()) {
+  if (this->tx_buf_count_ > 0) {
     APIError err = try_send_tx_buf_();
     if (err != APIError::OK && err != APIError::WOULD_BLOCK) {
       return err;
@@ -102,9 +103,20 @@ APIError APIFrameHelper::handle_socket_write_error_() {
 // Helper method to buffer data from IOVs
 void APIFrameHelper::buffer_data_from_iov_(const struct iovec *iov, int iovcnt, uint16_t total_write_len,
                                            uint16_t offset) {
-  SendBuffer buffer;
-  buffer.size = total_write_len - offset;
-  buffer.data = std::make_unique<uint8_t[]>(buffer.size);
+  // Check if queue is full
+  if (this->tx_buf_count_ >= API_MAX_SEND_QUEUE) {
+    HELPER_LOG("Send queue full (%u buffers), dropping connection", this->tx_buf_count_);
+    this->state_ = State::FAILED;
+    return;
+  }
+
+  uint16_t buffer_size = total_write_len - offset;
+  auto &buffer = this->tx_buf_[this->tx_buf_tail_];
+  buffer = std::make_unique<SendBuffer>(SendBuffer{
+      .data = std::make_unique<uint8_t[]>(buffer_size),
+      .size = buffer_size,
+      .offset = 0,
+  });
 
   uint16_t to_skip = offset;
   uint16_t write_pos = 0;
@@ -117,12 +129,15 @@ void APIFrameHelper::buffer_data_from_iov_(const struct iovec *iov, int iovcnt,
       // Include this segment (partially or fully)
       const uint8_t *src = reinterpret_cast<uint8_t *>(iov[i].iov_base) + to_skip;
       uint16_t len = static_cast<uint16_t>(iov[i].iov_len) - to_skip;
-      std::memcpy(buffer.data.get() + write_pos, src, len);
+      std::memcpy(buffer->data.get() + write_pos, src, len);
       write_pos += len;
       to_skip = 0;
     }
   }
-  this->tx_buf_.push_back(std::move(buffer));
+
+  // Update circular buffer tracking
+  this->tx_buf_tail_ = (this->tx_buf_tail_ + 1) % API_MAX_SEND_QUEUE;
+  this->tx_buf_count_++;
 }
 
 // This method writes data to socket or buffers it
@@ -140,7 +155,7 @@ APIError APIFrameHelper::write_raw_(const struct iovec *iov, int iovcnt, uint16_
 #endif
 
   // Try to send any existing buffered data first if there is any
-  if (!this->tx_buf_.empty()) {
+  if (this->tx_buf_count_ > 0) {
     APIError send_result = try_send_tx_buf_();
     // If real error occurred (not just WOULD_BLOCK), return it
     if (send_result != APIError::OK && send_result != APIError::WOULD_BLOCK) {
@@ -149,7 +164,7 @@ APIError APIFrameHelper::write_raw_(const struct iovec *iov, int iovcnt, uint16_
 
     // If there is still data in the buffer, we can't send, buffer
     // the new data and return
-    if (!this->tx_buf_.empty()) {
+    if (this->tx_buf_count_ > 0) {
       this->buffer_data_from_iov_(iov, iovcnt, total_write_len, 0);
       return APIError::OK;  // Success, data buffered
     }
@@ -177,32 +192,31 @@ APIError APIFrameHelper::write_raw_(const struct iovec *iov, int iovcnt, uint16_
 }
 
 // Common implementation for trying to send buffered data
-// IMPORTANT: Caller MUST ensure tx_buf_ is not empty before calling this method
+// IMPORTANT: Caller MUST ensure tx_buf_count_ > 0 before calling this method
 APIError APIFrameHelper::try_send_tx_buf_() {
   // Try to send from tx_buf - we assume it's not empty as it's the caller's responsibility to check
-  bool tx_buf_empty = false;
-  while (!tx_buf_empty) {
+  while (this->tx_buf_count_ > 0) {
     // Get the first buffer in the queue
-    SendBuffer &front_buffer = this->tx_buf_.front();
+    SendBuffer *front_buffer = this->tx_buf_[this->tx_buf_head_].get();
 
     // Try to send the remaining data in this buffer
-    ssize_t sent = this->socket_->write(front_buffer.current_data(), front_buffer.remaining());
+    ssize_t sent = this->socket_->write(front_buffer->current_data(), front_buffer->remaining());
 
     if (sent == -1) {
       return this->handle_socket_write_error_();
     } else if (sent == 0) {
       // Nothing sent but not an error
       return APIError::WOULD_BLOCK;
-    } else if (static_cast<uint16_t>(sent) < front_buffer.remaining()) {
+    } else if (static_cast<uint16_t>(sent) < front_buffer->remaining()) {
       // Partially sent, update offset
       // Cast to ensure no overflow issues with uint16_t
-      front_buffer.offset += static_cast<uint16_t>(sent);
+      front_buffer->offset += static_cast<uint16_t>(sent);
       return APIError::WOULD_BLOCK;  // Stop processing more buffers if we couldn't send a complete buffer
     } else {
       // Buffer completely sent, remove it from the queue
-      this->tx_buf_.pop_front();
-      // Update empty status for the loop condition
-      tx_buf_empty = this->tx_buf_.empty();
+      this->tx_buf_[this->tx_buf_head_].reset();
+      this->tx_buf_head_ = (this->tx_buf_head_ + 1) % API_MAX_SEND_QUEUE;
+      this->tx_buf_count_--;
       // Continue loop to try sending the next buffer
     }
   }

esphome/components/api/api_frame_helper.h

@@ -1,7 +1,8 @@
 #pragma once
+#include <array>
 #include <cstdint>
-#include <deque>
 #include <limits>
+#include <memory>
 #include <span>
 #include <utility>
 #include <vector>
@@ -17,6 +18,17 @@ namespace esphome::api {
 // uncomment to log raw packets
 //#define HELPER_LOG_PACKETS
 
+// Maximum message size limits to prevent OOM on constrained devices
+// Handshake messages are limited to a small size for security
+static constexpr uint16_t MAX_HANDSHAKE_SIZE = 128;
+
+// Data message limits vary by platform based on available memory
+#ifdef USE_ESP8266
+static constexpr uint16_t MAX_MESSAGE_SIZE = 8192;  // 8 KiB for ESP8266
+#else
+static constexpr uint16_t MAX_MESSAGE_SIZE = 32768;  // 32 KiB for ESP32 and other platforms
+#endif
+
 // Forward declaration
 struct ClientInfo;
 
@@ -79,7 +91,7 @@ class APIFrameHelper {
   virtual APIError init() = 0;
   virtual APIError loop();
   virtual APIError read_packet(ReadPacketBuffer *buffer) = 0;
-  bool can_write_without_blocking() { return state_ == State::DATA && tx_buf_.empty(); }
+  bool can_write_without_blocking() { return this->state_ == State::DATA && this->tx_buf_count_ == 0; }
   std::string getpeername() { return socket_->getpeername(); }
   int getpeername(struct sockaddr *addr, socklen_t *addrlen) { return socket_->getpeername(addr, addrlen); }
   APIError close() {
@@ -161,7 +173,7 @@ class APIFrameHelper {
   };
 
   // Containers (size varies, but typically 12+ bytes on 32-bit)
-  std::deque<SendBuffer> tx_buf_;
+  std::array<std::unique_ptr<SendBuffer>, API_MAX_SEND_QUEUE> tx_buf_;
   std::vector<struct iovec> reusable_iovs_;
   std::vector<uint8_t> rx_buf_;
 
@@ -174,7 +186,10 @@ class APIFrameHelper {
   State state_{State::INITIALIZE};
   uint8_t frame_header_padding_{0};
   uint8_t frame_footer_size_{0};
-  // 5 bytes total, 3 bytes padding
+  uint8_t tx_buf_head_{0};
+  uint8_t tx_buf_tail_{0};
+  uint8_t tx_buf_count_{0};
+  // 8 bytes total, 0 bytes padding
 
   // Common initialization for both plaintext and noise protocols
   APIError init_common_();

esphome/components/api/api_frame_helper_noise.cpp

@@ -24,7 +24,8 @@ static const char *const PROLOGUE_INIT = "NoiseAPIInit";
 #endif
 static constexpr size_t PROLOGUE_INIT_LEN = 12;  // strlen("NoiseAPIInit")
 
-#define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s: " msg, this->client_info_->get_combined_info().c_str(), ##__VA_ARGS__)
+#define HELPER_LOG(msg, ...) \
+  ESP_LOGVV(TAG, "%s (%s): " msg, this->client_info_->name.c_str(), this->client_info_->peername.c_str(), ##__VA_ARGS__)
 
 #ifdef HELPER_LOG_PACKETS
 #define LOG_PACKET_RECEIVED(buffer) ESP_LOGVV(TAG, "Received frame: %s", format_hex_pretty(buffer).c_str())
@@ -131,26 +132,16 @@ APIError APINoiseFrameHelper::loop() {
   return APIFrameHelper::loop();
 }
 
-/** Read a packet into the rx_buf_. If successful, stores frame data in the frame parameter
+/** Read a packet into the rx_buf_.
  *
- * @param frame: The struct to hold the frame information in.
- *   msg_start: points to the start of the payload - this pointer is only valid until the next
- *     try_receive_raw_ call
- *
- * @return 0 if a full packet is in rx_buf_
- * @return -1 if error, check errno.
+ * @return APIError::OK if a full packet is in rx_buf_
  *
  * errno EWOULDBLOCK: Packet could not be read without blocking. Try again later.
  * errno ENOMEM: Not enough memory for reading packet.
  * errno API_ERROR_BAD_INDICATOR: Bad indicator byte at start of frame.
  * errno API_ERROR_HANDSHAKE_PACKET_LEN: Packet too big for this phase.
  */
-APIError APINoiseFrameHelper::try_read_frame_(std::vector<uint8_t> *frame) {
-  if (frame == nullptr) {
-    HELPER_LOG("Bad argument for try_read_frame_");
-    return APIError::BAD_ARG;
-  }
-
+APIError APINoiseFrameHelper::try_read_frame_() {
   // read header
   if (rx_header_buf_len_ < 3) {
     // no header information yet
@@ -177,16 +168,17 @@ APIError APINoiseFrameHelper::try_read_frame_(std::vector<uint8_t> *frame) {
   // read body
   uint16_t msg_size = (((uint16_t) rx_header_buf_[1]) << 8) | rx_header_buf_[2];
 
-  if (state_ != State::DATA && msg_size > 128) {
-    // for handshake message only permit up to 128 bytes
+  // Check against size limits to prevent OOM: MAX_HANDSHAKE_SIZE for handshake, MAX_MESSAGE_SIZE for data
+  uint16_t limit = (state_ == State::DATA) ? MAX_MESSAGE_SIZE : MAX_HANDSHAKE_SIZE;
+  if (msg_size > limit) {
     state_ = State::FAILED;
-    HELPER_LOG("Bad packet len for handshake: %d", msg_size);
-    return APIError::BAD_HANDSHAKE_PACKET_LEN;
+    HELPER_LOG("Bad packet: message size %u exceeds maximum %u", msg_size, limit);
+    return (state_ == State::DATA) ? APIError::BAD_DATA_PACKET : APIError::BAD_HANDSHAKE_PACKET_LEN;
   }
 
-  // reserve space for body
-  if (rx_buf_.size() != msg_size) {
-    rx_buf_.resize(msg_size);
+  // Reserve space for body
+  if (this->rx_buf_.size() != msg_size) {
+    this->rx_buf_.resize(msg_size);
   }
 
   if (rx_buf_len_ < msg_size) {
@@ -204,12 +196,12 @@ APIError APINoiseFrameHelper::try_read_frame_(std::vector<uint8_t> *frame) {
     }
   }
 
-  LOG_PACKET_RECEIVED(rx_buf_);
-  *frame = std::move(rx_buf_);
-  // consume msg
-  rx_buf_ = {};
-  rx_buf_len_ = 0;
-  rx_header_buf_len_ = 0;
+  LOG_PACKET_RECEIVED(this->rx_buf_);
+
+  // Clear state for next frame (rx_buf_ still contains data for caller)
+  this->rx_buf_len_ = 0;
+  this->rx_header_buf_len_ = 0;
+
   return APIError::OK;
 }
 
@@ -231,18 +223,17 @@ APIError APINoiseFrameHelper::state_action_() {
   }
   if (state_ == State::CLIENT_HELLO) {
     // waiting for client hello
-    std::vector<uint8_t> frame;
-    aerr = try_read_frame_(&frame);
+    aerr = this->try_read_frame_();
     if (aerr != APIError::OK) {
       return handle_handshake_frame_error_(aerr);
     }
     // ignore contents, may be used in future for flags
     // Resize for: existing prologue + 2 size bytes + frame data
-    size_t old_size = prologue_.size();
-    prologue_.resize(old_size + 2 + frame.size());
-    prologue_[old_size] = (uint8_t) (frame.size() >> 8);
-    prologue_[old_size + 1] = (uint8_t) frame.size();
-    std::memcpy(prologue_.data() + old_size + 2, frame.data(), frame.size());
+    size_t old_size = this->prologue_.size();
+    this->prologue_.resize(old_size + 2 + this->rx_buf_.size());
+    this->prologue_[old_size] = (uint8_t) (this->rx_buf_.size() >> 8);
+    this->prologue_[old_size + 1] = (uint8_t) this->rx_buf_.size();
+    std::memcpy(this->prologue_.data() + old_size + 2, this->rx_buf_.data(), this->rx_buf_.size());
 
     state_ = State::SERVER_HELLO;
   }
@@ -284,24 +275,23 @@ APIError APINoiseFrameHelper::state_action_() {
     int action = noise_handshakestate_get_action(handshake_);
     if (action == NOISE_ACTION_READ_MESSAGE) {
       // waiting for handshake msg
-      std::vector<uint8_t> frame;
-      aerr = try_read_frame_(&frame);
+      aerr = this->try_read_frame_();
       if (aerr != APIError::OK) {
         return handle_handshake_frame_error_(aerr);
       }
 
-      if (frame.empty()) {
+      if (this->rx_buf_.empty()) {
         send_explicit_handshake_reject_(LOG_STR("Empty handshake message"));
         return APIError::BAD_HANDSHAKE_ERROR_BYTE;
-      } else if (frame[0] != 0x00) {
-        HELPER_LOG("Bad handshake error byte: %u", frame[0]);
+      } else if (this->rx_buf_[0] != 0x00) {
+        HELPER_LOG("Bad handshake error byte: %u", this->rx_buf_[0]);
         send_explicit_handshake_reject_(LOG_STR("Bad handshake error byte"));
         return APIError::BAD_HANDSHAKE_ERROR_BYTE;
       }
 
       NoiseBuffer mbuf;
       noise_buffer_init(mbuf);
-      noise_buffer_set_input(mbuf, frame.data() + 1, frame.size() - 1);
+      noise_buffer_set_input(mbuf, this->rx_buf_.data() + 1, this->rx_buf_.size() - 1);
       err = noise_handshakestate_read_message(handshake_, &mbuf, nullptr);
       if (err != 0) {
         // Special handling for MAC failure
@@ -378,35 +368,33 @@ void APINoiseFrameHelper::send_explicit_handshake_reject_(const LogString *reaso
   state_ = orig_state;
 }
 APIError APINoiseFrameHelper::read_packet(ReadPacketBuffer *buffer) {
-  int err;
-  APIError aerr;
-  aerr = state_action_();
+  APIError aerr = this->state_action_();
   if (aerr != APIError::OK) {
     return aerr;
   }
 
-  if (state_ != State::DATA) {
+  if (this->state_ != State::DATA) {
     return APIError::WOULD_BLOCK;
   }
 
-  std::vector<uint8_t> frame;
-  aerr = try_read_frame_(&frame);
+  aerr = this->try_read_frame_();
   if (aerr != APIError::OK)
     return aerr;
 
   NoiseBuffer mbuf;
   noise_buffer_init(mbuf);
-  noise_buffer_set_inout(mbuf, frame.data(), frame.size(), frame.size());
-  err = noise_cipherstate_decrypt(recv_cipher_, &mbuf);
+  noise_buffer_set_inout(mbuf, this->rx_buf_.data(), this->rx_buf_.size(), this->rx_buf_.size());
+  int err = noise_cipherstate_decrypt(this->recv_cipher_, &mbuf);
   APIError decrypt_err =
       handle_noise_error_(err, LOG_STR("noise_cipherstate_decrypt"), APIError::CIPHERSTATE_DECRYPT_FAILED);
-  if (decrypt_err != APIError::OK)
+  if (decrypt_err != APIError::OK) {
     return decrypt_err;
+  }
 
   uint16_t msg_size = mbuf.size;
-  uint8_t *msg_data = frame.data();
+  uint8_t *msg_data = this->rx_buf_.data();
   if (msg_size < 4) {
-    state_ = State::FAILED;
+    this->state_ = State::FAILED;
     HELPER_LOG("Bad data packet: size %d too short", msg_size);
     return APIError::BAD_DATA_PACKET;
   }
@@ -414,12 +402,12 @@ APIError APINoiseFrameHelper::read_packet(ReadPacketBuffer *buffer) {
   uint16_t type = (((uint16_t) msg_data[0]) << 8) | msg_data[1];
   uint16_t data_len = (((uint16_t) msg_data[2]) << 8) | msg_data[3];
   if (data_len > msg_size - 4) {
-    state_ = State::FAILED;
+    this->state_ = State::FAILED;
     HELPER_LOG("Bad data packet: data_len %u greater than msg_size %u", data_len, msg_size);
     return APIError::BAD_DATA_PACKET;
   }
 
-  buffer->container = std::move(frame);
+  buffer->container = std::move(this->rx_buf_);
   buffer->data_offset = 4;
   buffer->data_len = data_len;
   buffer->type = type;

esphome/components/api/api_frame_helper_noise.h

@@ -28,7 +28,7 @@ class APINoiseFrameHelper final : public APIFrameHelper {
 
  protected:
   APIError state_action_();
-  APIError try_read_frame_(std::vector<uint8_t> *frame);
+  APIError try_read_frame_();
   APIError write_frame_(const uint8_t *data, uint16_t len);
   APIError init_handshake_();
   APIError check_handshake_finished_();

esphome/components/api/api_frame_helper_plaintext.cpp

@@ -10,11 +10,16 @@
 #include <cstring>
 #include <cinttypes>
 
+#ifdef USE_ESP8266
+#include <pgmspace.h>
+#endif
+
 namespace esphome::api {
 
 static const char *const TAG = "api.plaintext";
 
-#define HELPER_LOG(msg, ...) ESP_LOGVV(TAG, "%s: " msg, this->client_info_->get_combined_info().c_str(), ##__VA_ARGS__)
+#define HELPER_LOG(msg, ...) \
+  ESP_LOGVV(TAG, "%s (%s): " msg, this->client_info_->name.c_str(), this->client_info_->peername.c_str(), ##__VA_ARGS__)
 
 #ifdef HELPER_LOG_PACKETS
 #define LOG_PACKET_RECEIVED(buffer) ESP_LOGVV(TAG, "Received frame: %s", format_hex_pretty(buffer).c_str())
@@ -42,21 +47,13 @@ APIError APIPlaintextFrameHelper::loop() {
   return APIFrameHelper::loop();
 }
 
-/** Read a packet into the rx_buf_. If successful, stores frame data in the frame parameter
- *
- * @param frame: The struct to hold the frame information in.
- *   msg: store the parsed frame in that struct
+/** Read a packet into the rx_buf_.
  *
  * @return See APIError
  *
  * error API_ERROR_BAD_INDICATOR: Bad indicator byte at start of frame.
  */
-APIError APIPlaintextFrameHelper::try_read_frame_(std::vector<uint8_t> *frame) {
-  if (frame == nullptr) {
-    HELPER_LOG("Bad argument for try_read_frame_");
-    return APIError::BAD_ARG;
-  }
-
+APIError APIPlaintextFrameHelper::try_read_frame_() {
   // read header
   while (!rx_header_parsed_) {
     // Now that we know when the socket is ready, we can read up to 3 bytes
@@ -118,10 +115,10 @@ APIError APIPlaintextFrameHelper::try_read_frame_(std::vector<uint8_t> *frame) {
       continue;
     }
 
-    if (msg_size_varint->as_uint32() > std::numeric_limits<uint16_t>::max()) {
+    if (msg_size_varint->as_uint32() > MAX_MESSAGE_SIZE) {
       state_ = State::FAILED;
       HELPER_LOG("Bad packet: message size %" PRIu32 " exceeds maximum %u", msg_size_varint->as_uint32(),
-                 std::numeric_limits<uint16_t>::max());
+                 MAX_MESSAGE_SIZE);
       return APIError::BAD_DATA_PACKET;
     }
     rx_header_parsed_len_ = msg_size_varint->as_uint16();
@@ -145,9 +142,9 @@ APIError APIPlaintextFrameHelper::try_read_frame_(std::vector<uint8_t> *frame) {
   }
   // header reading done
 
-  // reserve space for body
-  if (rx_buf_.size() != rx_header_parsed_len_) {
-    rx_buf_.resize(rx_header_parsed_len_);
+  // Reserve space for body
+  if (this->rx_buf_.size() != this->rx_header_parsed_len_) {
+    this->rx_buf_.resize(this->rx_header_parsed_len_);
   }
 
   if (rx_buf_len_ < rx_header_parsed_len_) {
@@ -165,24 +162,22 @@ APIError APIPlaintextFrameHelper::try_read_frame_(std::vector<uint8_t> *frame) {
     }
   }
 
-  LOG_PACKET_RECEIVED(rx_buf_);
-  *frame = std::move(rx_buf_);
-  // consume msg
-  rx_buf_ = {};
-  rx_buf_len_ = 0;
-  rx_header_buf_pos_ = 0;
-  rx_header_parsed_ = false;
+  LOG_PACKET_RECEIVED(this->rx_buf_);
+
+  // Clear state for next frame (rx_buf_ still contains data for caller)
+  this->rx_buf_len_ = 0;
+  this->rx_header_buf_pos_ = 0;
+  this->rx_header_parsed_ = false;
+
   return APIError::OK;
 }
-APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
-  APIError aerr;
 
-  if (state_ != State::DATA) {
+APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
+  if (this->state_ != State::DATA) {
     return APIError::WOULD_BLOCK;
   }
 
-  std::vector<uint8_t> frame;
-  aerr = try_read_frame_(&frame);
+  APIError aerr = this->try_read_frame_();
   if (aerr != APIError::OK) {
     if (aerr == APIError::BAD_INDICATOR) {
       // Make sure to tell the remote that we don't
@@ -197,19 +192,28 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
       // We must send at least 3 bytes to be read, so we add
       // a message after the indicator byte to ensures its long
       // enough and can aid in debugging.
-      const char msg[] = "\x00"
-                         "Bad indicator byte";
+      static constexpr uint8_t INDICATOR_MSG_SIZE = 19;
+#ifdef USE_ESP8266
+      static const char MSG_PROGMEM[] PROGMEM = "\x00"
+                                                "Bad indicator byte";
+      char msg[INDICATOR_MSG_SIZE];
+      memcpy_P(msg, MSG_PROGMEM, INDICATOR_MSG_SIZE);
       iov[0].iov_base = (void *) msg;
-      iov[0].iov_len = 19;
-      this->write_raw_(iov, 1, 19);
+#else
+      static const char MSG[] = "\x00"
+                                "Bad indicator byte";
+      iov[0].iov_base = (void *) MSG;
+#endif
+      iov[0].iov_len = INDICATOR_MSG_SIZE;
+      this->write_raw_(iov, 1, INDICATOR_MSG_SIZE);
     }
     return aerr;
   }
 
-  buffer->container = std::move(frame);
+  buffer->container = std::move(this->rx_buf_);
   buffer->data_offset = 0;
-  buffer->data_len = rx_header_parsed_len_;
-  buffer->type = rx_header_parsed_type_;
+  buffer->data_len = this->rx_header_parsed_len_;
+  buffer->type = this->rx_header_parsed_type_;
   return APIError::OK;
 }
 APIError APIPlaintextFrameHelper::write_protobuf_packet(uint8_t type, ProtoWriteBuffer buffer) {

esphome/components/api/api_frame_helper_plaintext.h

@@ -24,7 +24,7 @@ class APIPlaintextFrameHelper final : public APIFrameHelper {
   APIError write_protobuf_packets(ProtoWriteBuffer buffer, std::span<const PacketInfo> packets) override;
 
  protected:
-  APIError try_read_frame_(std::vector<uint8_t> *frame);
+  APIError try_read_frame_();
 
   // Group 2-byte aligned types
   uint16_t rx_header_parsed_type_ = 0;

esphome/components/api/api_options.proto

@@ -32,6 +32,13 @@ extend google.protobuf.FieldOptions {
     optional string fixed_array_size_define = 50010;
     optional string fixed_array_with_length_define = 50011;
 
+    // pointer_to_buffer: Use pointer instead of array for fixed-size byte fields
+    // When set, the field will be declared as a pointer (const uint8_t *data)
+    // instead of an array (uint8_t data[N]). This allows zero-copy on decode
+    // by pointing directly to the protobuf buffer. The buffer must remain valid
+    // until the message is processed (which is guaranteed for stack-allocated messages).
+    optional bool pointer_to_buffer = 50012 [default=false];
+
     // container_pointer: Zero-copy optimization for repeated fields.
     //
     // When container_pointer is set on a repeated field, the generated message will

esphome/components/api/api_pb2.cpp

@@ -22,9 +22,12 @@ bool HelloRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
 }
 bool HelloRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
   switch (field_id) {
-    case 1:
-      this->client_info = value.as_string();
+    case 1: {
+      // Use raw data directly to avoid allocation
+      this->client_info = value.data();
+      this->client_info_len = value.size();
       break;
+    }
     default:
       return false;
   }
@@ -42,18 +45,23 @@ void HelloResponse::calculate_size(ProtoSize &size) const {
   size.add_length(1, this->server_info_ref_.size());
   size.add_length(1, this->name_ref_.size());
 }
-bool ConnectRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+#ifdef USE_API_PASSWORD
+bool AuthenticationRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
   switch (field_id) {
-    case 1:
-      this->password = value.as_string();
+    case 1: {
+      // Use raw data directly to avoid allocation
+      this->password = value.data();
+      this->password_len = value.size();
       break;
+    }
     default:
       return false;
   }
   return true;
 }
-void ConnectResponse::encode(ProtoWriteBuffer buffer) const { buffer.encode_bool(1, this->invalid_password); }
-void ConnectResponse::calculate_size(ProtoSize &size) const { size.add_bool(1, this->invalid_password); }
+void AuthenticationResponse::encode(ProtoWriteBuffer buffer) const { buffer.encode_bool(1, this->invalid_password); }
+void AuthenticationResponse::calculate_size(ProtoSize &size) const { size.add_bool(1, this->invalid_password); }
+#endif
 #ifdef USE_AREAS
 void AreaInfo::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_uint32(1, this->area_id);
@@ -127,6 +135,12 @@ void DeviceInfoResponse::encode(ProtoWriteBuffer buffer) const {
 #ifdef USE_AREAS
   buffer.encode_message(22, this->area);
 #endif
+#ifdef USE_ZWAVE_PROXY
+  buffer.encode_uint32(23, this->zwave_proxy_feature_flags);
+#endif
+#ifdef USE_ZWAVE_PROXY
+  buffer.encode_uint32(24, this->zwave_home_id);
+#endif
 }
 void DeviceInfoResponse::calculate_size(ProtoSize &size) const {
 #ifdef USE_API_PASSWORD
@@ -179,6 +193,12 @@ void DeviceInfoResponse::calculate_size(ProtoSize &size) const {
 #ifdef USE_AREAS
   size.add_message_object(2, this->area);
 #endif
+#ifdef USE_ZWAVE_PROXY
+  size.add_uint32(2, this->zwave_proxy_feature_flags);
+#endif
+#ifdef USE_ZWAVE_PROXY
+  size.add_uint32(2, this->zwave_home_id);
+#endif
 }
 #ifdef USE_BINARY_SENSOR
 void ListEntitiesBinarySensorResponse::encode(ProtoWriteBuffer buffer) const {
@@ -852,7 +872,7 @@ void HomeassistantServiceMap::calculate_size(ProtoSize &size) const {
   size.add_length(1, this->key_ref_.size());
   size.add_length(1, this->value.size());
 }
-void HomeassistantServiceResponse::encode(ProtoWriteBuffer buffer) const {
+void HomeassistantActionRequest::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(1, this->service_ref_);
   for (auto &it : this->data) {
     buffer.encode_message(2, it, true);
@@ -864,13 +884,64 @@ void HomeassistantServiceResponse::encode(ProtoWriteBuffer buffer) const {
     buffer.encode_message(4, it, true);
   }
   buffer.encode_bool(5, this->is_event);
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+  buffer.encode_uint32(6, this->call_id);
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  buffer.encode_bool(7, this->wants_response);
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  buffer.encode_string(8, this->response_template);
+#endif
 }
-void HomeassistantServiceResponse::calculate_size(ProtoSize &size) const {
+void HomeassistantActionRequest::calculate_size(ProtoSize &size) const {
   size.add_length(1, this->service_ref_.size());
   size.add_repeated_message(1, this->data);
   size.add_repeated_message(1, this->data_template);
   size.add_repeated_message(1, this->variables);
   size.add_bool(1, this->is_event);
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+  size.add_uint32(1, this->call_id);
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  size.add_bool(1, this->wants_response);
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  size.add_length(1, this->response_template.size());
+#endif
+}
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+bool HomeassistantActionResponse::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 1:
+      this->call_id = value.as_uint32();
+      break;
+    case 2:
+      this->success = value.as_bool();
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
+bool HomeassistantActionResponse::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 3:
+      this->error_message = value.as_string();
+      break;
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+    case 4: {
+      // Use raw data directly to avoid allocation
+      this->response_data = value.data();
+      this->response_data_len = value.size();
+      break;
+    }
+#endif
+    default:
+      return false;
+  }
+  return true;
 }
 #endif
 #ifdef USE_API_HOMEASSISTANT_STATES
@@ -901,6 +972,19 @@ bool HomeAssistantStateResponse::decode_length(uint32_t field_id, ProtoLengthDel
   return true;
 }
 #endif
+bool GetTimeResponse::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 2: {
+      // Use raw data directly to avoid allocation
+      this->timezone = value.data();
+      this->timezone_len = value.size();
+      break;
+    }
+    default:
+      return false;
+  }
+  return true;
+}
 bool GetTimeResponse::decode_32bit(uint32_t field_id, Proto32Bit value) {
   switch (field_id) {
     case 1:
@@ -911,8 +995,6 @@ bool GetTimeResponse::decode_32bit(uint32_t field_id, Proto32Bit value) {
   }
   return true;
 }
-void GetTimeResponse::encode(ProtoWriteBuffer buffer) const { buffer.encode_fixed32(1, this->epoch_seconds); }
-void GetTimeResponse::calculate_size(ProtoSize &size) const { size.add_fixed32(1, this->epoch_seconds); }
 #ifdef USE_API_SERVICES
 void ListEntitiesServicesArgument::encode(ProtoWriteBuffer buffer) const {
   buffer.encode_string(1, this->name_ref_);
@@ -2006,9 +2088,12 @@ bool BluetoothGATTWriteRequest::decode_varint(uint32_t field_id, ProtoVarInt val
 }
 bool BluetoothGATTWriteRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
   switch (field_id) {
-    case 4:
-      this->data = value.as_string();
+    case 4: {
+      // Use raw data directly to avoid allocation
+      this->data = value.data();
+      this->data_len = value.size();
       break;
+    }
     default:
       return false;
   }
@@ -2042,9 +2127,12 @@ bool BluetoothGATTWriteDescriptorRequest::decode_varint(uint32_t field_id, Proto
 }
 bool BluetoothGATTWriteDescriptorRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
   switch (field_id) {
-    case 3:
-      this->data = value.as_string();
+    case 3: {
+      // Use raw data directly to avoid allocation
+      this->data = value.data();
+      this->data_len = value.size();
       break;
+    }
     default:
       return false;
   }
@@ -2360,6 +2448,52 @@ void VoiceAssistantWakeWord::calculate_size(ProtoSize &size) const {
     }
   }
 }
+bool VoiceAssistantExternalWakeWord::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 5:
+      this->model_size = value.as_uint32();
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
+bool VoiceAssistantExternalWakeWord::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 1:
+      this->id = value.as_string();
+      break;
+    case 2:
+      this->wake_word = value.as_string();
+      break;
+    case 3:
+      this->trained_languages.push_back(value.as_string());
+      break;
+    case 4:
+      this->model_type = value.as_string();
+      break;
+    case 6:
+      this->model_hash = value.as_string();
+      break;
+    case 7:
+      this->url = value.as_string();
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
+bool VoiceAssistantConfigurationRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 1:
+      this->external_wake_words.emplace_back();
+      value.decode_to_message(this->external_wake_words.back());
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
 void VoiceAssistantConfigurationResponse::encode(ProtoWriteBuffer buffer) const {
   for (auto &it : this->available_wake_words) {
     buffer.encode_message(1, it, true);
@@ -3003,5 +3137,53 @@ bool UpdateCommandRequest::decode_32bit(uint32_t field_id, Proto32Bit value) {
   return true;
 }
 #endif
+#ifdef USE_ZWAVE_PROXY
+bool ZWaveProxyFrame::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 1: {
+      // Use raw data directly to avoid allocation
+      this->data = value.data();
+      this->data_len = value.size();
+      break;
+    }
+    default:
+      return false;
+  }
+  return true;
+}
+void ZWaveProxyFrame::encode(ProtoWriteBuffer buffer) const { buffer.encode_bytes(1, this->data, this->data_len); }
+void ZWaveProxyFrame::calculate_size(ProtoSize &size) const { size.add_length(1, this->data_len); }
+bool ZWaveProxyRequest::decode_varint(uint32_t field_id, ProtoVarInt value) {
+  switch (field_id) {
+    case 1:
+      this->type = static_cast<enums::ZWaveProxyRequestType>(value.as_uint32());
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
+bool ZWaveProxyRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value) {
+  switch (field_id) {
+    case 2: {
+      // Use raw data directly to avoid allocation
+      this->data = value.data();
+      this->data_len = value.size();
+      break;
+    }
+    default:
+      return false;
+  }
+  return true;
+}
+void ZWaveProxyRequest::encode(ProtoWriteBuffer buffer) const {
+  buffer.encode_uint32(1, static_cast<uint32_t>(this->type));
+  buffer.encode_bytes(2, this->data, this->data_len);
+}
+void ZWaveProxyRequest::calculate_size(ProtoSize &size) const {
+  size.add_uint32(1, static_cast<uint32_t>(this->type));
+  size.add_length(2, this->data_len);
+}
+#endif
 
 }  // namespace esphome::api

esphome/components/api/api_pb2.h

@@ -276,6 +276,13 @@ enum UpdateCommand : uint32_t {
   UPDATE_COMMAND_CHECK = 2,
 };
 #endif
+#ifdef USE_ZWAVE_PROXY
+enum ZWaveProxyRequestType : uint32_t {
+  ZWAVE_PROXY_REQUEST_TYPE_SUBSCRIBE = 0,
+  ZWAVE_PROXY_REQUEST_TYPE_UNSUBSCRIBE = 1,
+  ZWAVE_PROXY_REQUEST_TYPE_HOME_ID_CHANGE = 2,
+};
+#endif
 
 }  // namespace enums
 
@@ -324,11 +331,12 @@ class CommandProtoMessage : public ProtoDecodableMessage {
 class HelloRequest final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 1;
-  static constexpr uint8_t ESTIMATED_SIZE = 17;
+  static constexpr uint8_t ESTIMATED_SIZE = 27;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "hello_request"; }
 #endif
-  std::string client_info{};
+  const uint8_t *client_info{nullptr};
+  uint16_t client_info_len{0};
   uint32_t api_version_major{0};
   uint32_t api_version_minor{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -360,14 +368,16 @@ class HelloResponse final : public ProtoMessage {
 
  protected:
 };
-class ConnectRequest final : public ProtoDecodableMessage {
+#ifdef USE_API_PASSWORD
+class AuthenticationRequest final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 3;
-  static constexpr uint8_t ESTIMATED_SIZE = 9;
+  static constexpr uint8_t ESTIMATED_SIZE = 19;
 #ifdef HAS_PROTO_MESSAGE_DUMP
-  const char *message_name() const override { return "connect_request"; }
+  const char *message_name() const override { return "authentication_request"; }
 #endif
-  std::string password{};
+  const uint8_t *password{nullptr};
+  uint16_t password_len{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -375,12 +385,12 @@ class ConnectRequest final : public ProtoDecodableMessage {
  protected:
   bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
 };
-class ConnectResponse final : public ProtoMessage {
+class AuthenticationResponse final : public ProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 4;
   static constexpr uint8_t ESTIMATED_SIZE = 2;
 #ifdef HAS_PROTO_MESSAGE_DUMP
-  const char *message_name() const override { return "connect_response"; }
+  const char *message_name() const override { return "authentication_response"; }
 #endif
   bool invalid_password{false};
   void encode(ProtoWriteBuffer buffer) const override;
@@ -391,6 +401,7 @@ class ConnectResponse final : public ProtoMessage {
 
  protected:
 };
+#endif
 class DisconnectRequest final : public ProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 5;
@@ -490,7 +501,7 @@ class DeviceInfo final : public ProtoMessage {
 class DeviceInfoResponse final : public ProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 10;
-  static constexpr uint8_t ESTIMATED_SIZE = 247;
+  static constexpr uint16_t ESTIMATED_SIZE = 257;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "device_info_response"; }
 #endif
@@ -550,6 +561,12 @@ class DeviceInfoResponse final : public ProtoMessage {
 #endif
 #ifdef USE_AREAS
   AreaInfo area{};
+#endif
+#ifdef USE_ZWAVE_PROXY
+  uint32_t zwave_proxy_feature_flags{0};
+#endif
+#ifdef USE_ZWAVE_PROXY
+  uint32_t zwave_home_id{0};
 #endif
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
@@ -1084,12 +1101,12 @@ class HomeassistantServiceMap final : public ProtoMessage {
 
  protected:
 };
-class HomeassistantServiceResponse final : public ProtoMessage {
+class HomeassistantActionRequest final : public ProtoMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 35;
-  static constexpr uint8_t ESTIMATED_SIZE = 113;
+  static constexpr uint8_t ESTIMATED_SIZE = 128;
 #ifdef HAS_PROTO_MESSAGE_DUMP
-  const char *message_name() const override { return "homeassistant_service_response"; }
+  const char *message_name() const override { return "homeassistant_action_request"; }
 #endif
   StringRef service_ref_{};
   void set_service(const StringRef &ref) { this->service_ref_ = ref; }
@@ -1097,6 +1114,15 @@ class HomeassistantServiceResponse final : public ProtoMessage {
   std::vector<HomeassistantServiceMap> data_template{};
   std::vector<HomeassistantServiceMap> variables{};
   bool is_event{false};
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+  uint32_t call_id{0};
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  bool wants_response{false};
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  std::string response_template{};
+#endif
   void encode(ProtoWriteBuffer buffer) const override;
   void calculate_size(ProtoSize &size) const override;
 #ifdef HAS_PROTO_MESSAGE_DUMP
@@ -1106,6 +1132,30 @@ class HomeassistantServiceResponse final : public ProtoMessage {
  protected:
 };
 #endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+class HomeassistantActionResponse final : public ProtoDecodableMessage {
+ public:
+  static constexpr uint8_t MESSAGE_TYPE = 130;
+  static constexpr uint8_t ESTIMATED_SIZE = 34;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  const char *message_name() const override { return "homeassistant_action_response"; }
+#endif
+  uint32_t call_id{0};
+  bool success{false};
+  std::string error_message{};
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  const uint8_t *response_data{nullptr};
+  uint16_t response_data_len{0};
+#endif
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
+#endif
 #ifdef USE_API_HOMEASSISTANT_STATES
 class SubscribeHomeAssistantStatesRequest final : public ProtoMessage {
  public:
@@ -1174,19 +1224,20 @@ class GetTimeRequest final : public ProtoMessage {
 class GetTimeResponse final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 37;
-  static constexpr uint8_t ESTIMATED_SIZE = 5;
+  static constexpr uint8_t ESTIMATED_SIZE = 24;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "get_time_response"; }
 #endif
   uint32_t epoch_seconds{0};
-  void encode(ProtoWriteBuffer buffer) const override;
-  void calculate_size(ProtoSize &size) const override;
+  const uint8_t *timezone{nullptr};
+  uint16_t timezone_len{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
 
  protected:
   bool decode_32bit(uint32_t field_id, Proto32Bit value) override;
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
 };
 #ifdef USE_API_SERVICES
 class ListEntitiesServicesArgument final : public ProtoMessage {
@@ -1971,14 +2022,15 @@ class BluetoothGATTReadResponse final : public ProtoMessage {
 class BluetoothGATTWriteRequest final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 75;
-  static constexpr uint8_t ESTIMATED_SIZE = 19;
+  static constexpr uint8_t ESTIMATED_SIZE = 29;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "bluetooth_gatt_write_request"; }
 #endif
   uint64_t address{0};
   uint32_t handle{0};
   bool response{false};
-  std::string data{};
+  const uint8_t *data{nullptr};
+  uint16_t data_len{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -2006,13 +2058,14 @@ class BluetoothGATTReadDescriptorRequest final : public ProtoDecodableMessage {
 class BluetoothGATTWriteDescriptorRequest final : public ProtoDecodableMessage {
  public:
   static constexpr uint8_t MESSAGE_TYPE = 77;
-  static constexpr uint8_t ESTIMATED_SIZE = 17;
+  static constexpr uint8_t ESTIMATED_SIZE = 27;
 #ifdef HAS_PROTO_MESSAGE_DUMP
   const char *message_name() const override { return "bluetooth_gatt_write_descriptor_request"; }
 #endif
   uint64_t address{0};
   uint32_t handle{0};
-  std::string data{};
+  const uint8_t *data{nullptr};
+  uint16_t data_len{0};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
@@ -2437,18 +2490,37 @@ class VoiceAssistantWakeWord final : public ProtoMessage {
 
  protected:
 };
-class VoiceAssistantConfigurationRequest final : public ProtoMessage {
+class VoiceAssistantExternalWakeWord final : public ProtoDecodableMessage {
  public:
-  static constexpr uint8_t MESSAGE_TYPE = 121;
-  static constexpr uint8_t ESTIMATED_SIZE = 0;
-#ifdef HAS_PROTO_MESSAGE_DUMP
-  const char *message_name() const override { return "voice_assistant_configuration_request"; }
-#endif
+  std::string id{};
+  std::string wake_word{};
+  std::vector<std::string> trained_languages{};
+  std::string model_type{};
+  uint32_t model_size{0};
+  std::string model_hash{};
+  std::string url{};
 #ifdef HAS_PROTO_MESSAGE_DUMP
   void dump_to(std::string &out) const override;
 #endif
 
  protected:
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
+class VoiceAssistantConfigurationRequest final : public ProtoDecodableMessage {
+ public:
+  static constexpr uint8_t MESSAGE_TYPE = 121;
+  static constexpr uint8_t ESTIMATED_SIZE = 34;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  const char *message_name() const override { return "voice_assistant_configuration_request"; }
+#endif
+  std::vector<VoiceAssistantExternalWakeWord> external_wake_words{};
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
 };
 class VoiceAssistantConfigurationResponse final : public ProtoMessage {
  public:
@@ -2911,5 +2983,45 @@ class UpdateCommandRequest final : public CommandProtoMessage {
   bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
 };
 #endif
+#ifdef USE_ZWAVE_PROXY
+class ZWaveProxyFrame final : public ProtoDecodableMessage {
+ public:
+  static constexpr uint8_t MESSAGE_TYPE = 128;
+  static constexpr uint8_t ESTIMATED_SIZE = 19;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  const char *message_name() const override { return "z_wave_proxy_frame"; }
+#endif
+  const uint8_t *data{nullptr};
+  uint16_t data_len{0};
+  void encode(ProtoWriteBuffer buffer) const override;
+  void calculate_size(ProtoSize &size) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
+};
+class ZWaveProxyRequest final : public ProtoDecodableMessage {
+ public:
+  static constexpr uint8_t MESSAGE_TYPE = 129;
+  static constexpr uint8_t ESTIMATED_SIZE = 21;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  const char *message_name() const override { return "z_wave_proxy_request"; }
+#endif
+  enums::ZWaveProxyRequestType type{};
+  const uint8_t *data{nullptr};
+  uint16_t data_len{0};
+  void encode(ProtoWriteBuffer buffer) const override;
+  void calculate_size(ProtoSize &size) const override;
+#ifdef HAS_PROTO_MESSAGE_DUMP
+  void dump_to(std::string &out) const override;
+#endif
+
+ protected:
+  bool decode_length(uint32_t field_id, ProtoLengthDelimited value) override;
+  bool decode_varint(uint32_t field_id, ProtoVarInt value) override;
+};
+#endif
 
 }  // namespace esphome::api

esphome/components/api/api_pb2_dump.cpp

@@ -655,10 +655,26 @@ template<> const char *proto_enum_to_string<enums::UpdateCommand>(enums::UpdateC
   }
 }
 #endif
+#ifdef USE_ZWAVE_PROXY
+template<> const char *proto_enum_to_string<enums::ZWaveProxyRequestType>(enums::ZWaveProxyRequestType value) {
+  switch (value) {
+    case enums::ZWAVE_PROXY_REQUEST_TYPE_SUBSCRIBE:
+      return "ZWAVE_PROXY_REQUEST_TYPE_SUBSCRIBE";
+    case enums::ZWAVE_PROXY_REQUEST_TYPE_UNSUBSCRIBE:
+      return "ZWAVE_PROXY_REQUEST_TYPE_UNSUBSCRIBE";
+    case enums::ZWAVE_PROXY_REQUEST_TYPE_HOME_ID_CHANGE:
+      return "ZWAVE_PROXY_REQUEST_TYPE_HOME_ID_CHANGE";
+    default:
+      return "UNKNOWN";
+  }
+}
+#endif
 
 void HelloRequest::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "HelloRequest");
-  dump_field(out, "client_info", this->client_info);
+  out.append("  client_info: ");
+  out.append(format_hex_pretty(this->client_info, this->client_info_len));
+  out.append("\n");
   dump_field(out, "api_version_major", this->api_version_major);
   dump_field(out, "api_version_minor", this->api_version_minor);
 }
@@ -669,8 +685,18 @@ void HelloResponse::dump_to(std::string &out) const {
   dump_field(out, "server_info", this->server_info_ref_);
   dump_field(out, "name", this->name_ref_);
 }
-void ConnectRequest::dump_to(std::string &out) const { dump_field(out, "password", this->password); }
-void ConnectResponse::dump_to(std::string &out) const { dump_field(out, "invalid_password", this->invalid_password); }
+#ifdef USE_API_PASSWORD
+void AuthenticationRequest::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "AuthenticationRequest");
+  out.append("  password: ");
+  out.append(format_hex_pretty(this->password, this->password_len));
+  out.append("\n");
+}
+void AuthenticationResponse::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "AuthenticationResponse");
+  dump_field(out, "invalid_password", this->invalid_password);
+}
+#endif
 void DisconnectRequest::dump_to(std::string &out) const { out.append("DisconnectRequest {}"); }
 void DisconnectResponse::dump_to(std::string &out) const { out.append("DisconnectResponse {}"); }
 void PingRequest::dump_to(std::string &out) const { out.append("PingRequest {}"); }
@@ -749,6 +775,12 @@ void DeviceInfoResponse::dump_to(std::string &out) const {
   this->area.dump_to(out);
   out.append("\n");
 #endif
+#ifdef USE_ZWAVE_PROXY
+  dump_field(out, "zwave_proxy_feature_flags", this->zwave_proxy_feature_flags);
+#endif
+#ifdef USE_ZWAVE_PROXY
+  dump_field(out, "zwave_home_id", this->zwave_home_id);
+#endif
 }
 void ListEntitiesRequest::dump_to(std::string &out) const { out.append("ListEntitiesRequest {}"); }
 void ListEntitiesDoneResponse::dump_to(std::string &out) const { out.append("ListEntitiesDoneResponse {}"); }
@@ -1071,8 +1103,8 @@ void HomeassistantServiceMap::dump_to(std::string &out) const {
   dump_field(out, "key", this->key_ref_);
   dump_field(out, "value", this->value);
 }
-void HomeassistantServiceResponse::dump_to(std::string &out) const {
-  MessageDumpHelper helper(out, "HomeassistantServiceResponse");
+void HomeassistantActionRequest::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "HomeassistantActionRequest");
   dump_field(out, "service", this->service_ref_);
   for (const auto &it : this->data) {
     out.append("  data: ");
@@ -1090,6 +1122,28 @@ void HomeassistantServiceResponse::dump_to(std::string &out) const {
     out.append("\n");
   }
   dump_field(out, "is_event", this->is_event);
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+  dump_field(out, "call_id", this->call_id);
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  dump_field(out, "wants_response", this->wants_response);
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  dump_field(out, "response_template", this->response_template);
+#endif
+}
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+void HomeassistantActionResponse::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "HomeassistantActionResponse");
+  dump_field(out, "call_id", this->call_id);
+  dump_field(out, "success", this->success);
+  dump_field(out, "error_message", this->error_message);
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  out.append("  response_data: ");
+  out.append(format_hex_pretty(this->response_data, this->response_data_len));
+  out.append("\n");
+#endif
 }
 #endif
 #ifdef USE_API_HOMEASSISTANT_STATES
@@ -1110,7 +1164,13 @@ void HomeAssistantStateResponse::dump_to(std::string &out) const {
 }
 #endif
 void GetTimeRequest::dump_to(std::string &out) const { out.append("GetTimeRequest {}"); }
-void GetTimeResponse::dump_to(std::string &out) const { dump_field(out, "epoch_seconds", this->epoch_seconds); }
+void GetTimeResponse::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "GetTimeResponse");
+  dump_field(out, "epoch_seconds", this->epoch_seconds);
+  out.append("  timezone: ");
+  out.append(format_hex_pretty(this->timezone, this->timezone_len));
+  out.append("\n");
+}
 #ifdef USE_API_SERVICES
 void ListEntitiesServicesArgument::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "ListEntitiesServicesArgument");
@@ -1622,7 +1682,7 @@ void BluetoothGATTWriteRequest::dump_to(std::string &out) const {
   dump_field(out, "handle", this->handle);
   dump_field(out, "response", this->response);
   out.append("  data: ");
-  out.append(format_hex_pretty(reinterpret_cast<const uint8_t *>(this->data.data()), this->data.size()));
+  out.append(format_hex_pretty(this->data, this->data_len));
   out.append("\n");
 }
 void BluetoothGATTReadDescriptorRequest::dump_to(std::string &out) const {
@@ -1635,7 +1695,7 @@ void BluetoothGATTWriteDescriptorRequest::dump_to(std::string &out) const {
   dump_field(out, "address", this->address);
   dump_field(out, "handle", this->handle);
   out.append("  data: ");
-  out.append(format_hex_pretty(reinterpret_cast<const uint8_t *>(this->data.data()), this->data.size()));
+  out.append(format_hex_pretty(this->data, this->data_len));
   out.append("\n");
 }
 void BluetoothGATTNotifyRequest::dump_to(std::string &out) const {
@@ -1788,8 +1848,25 @@ void VoiceAssistantWakeWord::dump_to(std::string &out) const {
     dump_field(out, "trained_languages", it, 4);
   }
 }
+void VoiceAssistantExternalWakeWord::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "VoiceAssistantExternalWakeWord");
+  dump_field(out, "id", this->id);
+  dump_field(out, "wake_word", this->wake_word);
+  for (const auto &it : this->trained_languages) {
+    dump_field(out, "trained_languages", it, 4);
+  }
+  dump_field(out, "model_type", this->model_type);
+  dump_field(out, "model_size", this->model_size);
+  dump_field(out, "model_hash", this->model_hash);
+  dump_field(out, "url", this->url);
+}
 void VoiceAssistantConfigurationRequest::dump_to(std::string &out) const {
-  out.append("VoiceAssistantConfigurationRequest {}");
+  MessageDumpHelper helper(out, "VoiceAssistantConfigurationRequest");
+  for (const auto &it : this->external_wake_words) {
+    out.append("  external_wake_words: ");
+    it.dump_to(out);
+    out.append("\n");
+  }
 }
 void VoiceAssistantConfigurationResponse::dump_to(std::string &out) const {
   MessageDumpHelper helper(out, "VoiceAssistantConfigurationResponse");
@@ -2098,6 +2175,21 @@ void UpdateCommandRequest::dump_to(std::string &out) const {
 #endif
 }
 #endif
+#ifdef USE_ZWAVE_PROXY
+void ZWaveProxyFrame::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "ZWaveProxyFrame");
+  out.append("  data: ");
+  out.append(format_hex_pretty(this->data, this->data_len));
+  out.append("\n");
+}
+void ZWaveProxyRequest::dump_to(std::string &out) const {
+  MessageDumpHelper helper(out, "ZWaveProxyRequest");
+  dump_field(out, "type", static_cast<enums::ZWaveProxyRequestType>(this->type));
+  out.append("  data: ");
+  out.append(format_hex_pretty(this->data, this->data_len));
+  out.append("\n");
+}
+#endif
 
 }  // namespace esphome::api
 

esphome/components/api/api_pb2_service.cpp

@@ -24,15 +24,17 @@ void APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       this->on_hello_request(msg);
       break;
     }
-    case ConnectRequest::MESSAGE_TYPE: {
-      ConnectRequest msg;
+#ifdef USE_API_PASSWORD
+    case AuthenticationRequest::MESSAGE_TYPE: {
+      AuthenticationRequest msg;
       msg.decode(msg_data, msg_size);
 #ifdef HAS_PROTO_MESSAGE_DUMP
-      ESP_LOGVV(TAG, "on_connect_request: %s", msg.dump().c_str());
+      ESP_LOGVV(TAG, "on_authentication_request: %s", msg.dump().c_str());
 #endif
-      this->on_connect_request(msg);
+      this->on_authentication_request(msg);
       break;
     }
+#endif
     case DisconnectRequest::MESSAGE_TYPE: {
       DisconnectRequest msg;
       // Empty message: no decode needed
@@ -160,15 +162,6 @@ void APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       break;
     }
 #endif
-    case GetTimeRequest::MESSAGE_TYPE: {
-      GetTimeRequest msg;
-      // Empty message: no decode needed
-#ifdef HAS_PROTO_MESSAGE_DUMP
-      ESP_LOGVV(TAG, "on_get_time_request: %s", msg.dump().c_str());
-#endif
-      this->on_get_time_request(msg);
-      break;
-    }
     case GetTimeResponse::MESSAGE_TYPE: {
       GetTimeResponse msg;
       msg.decode(msg_data, msg_size);
@@ -555,7 +548,7 @@ void APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
 #ifdef USE_VOICE_ASSISTANT
     case VoiceAssistantConfigurationRequest::MESSAGE_TYPE: {
       VoiceAssistantConfigurationRequest msg;
-      // Empty message: no decode needed
+      msg.decode(msg_data, msg_size);
 #ifdef HAS_PROTO_MESSAGE_DUMP
       ESP_LOGVV(TAG, "on_voice_assistant_configuration_request: %s", msg.dump().c_str());
 #endif
@@ -595,6 +588,39 @@ void APIServerConnectionBase::read_message(uint32_t msg_size, uint32_t msg_type,
       this->on_bluetooth_scanner_set_mode_request(msg);
       break;
     }
+#endif
+#ifdef USE_ZWAVE_PROXY
+    case ZWaveProxyFrame::MESSAGE_TYPE: {
+      ZWaveProxyFrame msg;
+      msg.decode(msg_data, msg_size);
+#ifdef HAS_PROTO_MESSAGE_DUMP
+      ESP_LOGVV(TAG, "on_z_wave_proxy_frame: %s", msg.dump().c_str());
+#endif
+      this->on_z_wave_proxy_frame(msg);
+      break;
+    }
+#endif
+#ifdef USE_ZWAVE_PROXY
+    case ZWaveProxyRequest::MESSAGE_TYPE: {
+      ZWaveProxyRequest msg;
+      msg.decode(msg_data, msg_size);
+#ifdef HAS_PROTO_MESSAGE_DUMP
+      ESP_LOGVV(TAG, "on_z_wave_proxy_request: %s", msg.dump().c_str());
+#endif
+      this->on_z_wave_proxy_request(msg);
+      break;
+    }
+#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+    case HomeassistantActionResponse::MESSAGE_TYPE: {
+      HomeassistantActionResponse msg;
+      msg.decode(msg_data, msg_size);
+#ifdef HAS_PROTO_MESSAGE_DUMP
+      ESP_LOGVV(TAG, "on_homeassistant_action_response: %s", msg.dump().c_str());
+#endif
+      this->on_homeassistant_action_response(msg);
+      break;
+    }
 #endif
     default:
       break;
@@ -606,11 +632,13 @@ void APIServerConnection::on_hello_request(const HelloRequest &msg) {
     this->on_fatal_error();
   }
 }
-void APIServerConnection::on_connect_request(const ConnectRequest &msg) {
-  if (!this->send_connect_response(msg)) {
+#ifdef USE_API_PASSWORD
+void APIServerConnection::on_authentication_request(const AuthenticationRequest &msg) {
+  if (!this->send_authenticate_response(msg)) {
     this->on_fatal_error();
   }
 }
+#endif
 void APIServerConnection::on_disconnect_request(const DisconnectRequest &msg) {
   if (!this->send_disconnect_response(msg)) {
     this->on_fatal_error();
@@ -622,246 +650,139 @@ void APIServerConnection::on_ping_request(const PingRequest &msg) {
   }
 }
 void APIServerConnection::on_device_info_request(const DeviceInfoRequest &msg) {
-  if (this->check_connection_setup_() && !this->send_device_info_response(msg)) {
+  if (!this->send_device_info_response(msg)) {
     this->on_fatal_error();
   }
 }
-void APIServerConnection::on_list_entities_request(const ListEntitiesRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->list_entities(msg);
-  }
-}
+void APIServerConnection::on_list_entities_request(const ListEntitiesRequest &msg) { this->list_entities(msg); }
 void APIServerConnection::on_subscribe_states_request(const SubscribeStatesRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->subscribe_states(msg);
-  }
-}
-void APIServerConnection::on_subscribe_logs_request(const SubscribeLogsRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->subscribe_logs(msg);
-  }
+  this->subscribe_states(msg);
 }
+void APIServerConnection::on_subscribe_logs_request(const SubscribeLogsRequest &msg) { this->subscribe_logs(msg); }
 #ifdef USE_API_HOMEASSISTANT_SERVICES
 void APIServerConnection::on_subscribe_homeassistant_services_request(
     const SubscribeHomeassistantServicesRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->subscribe_homeassistant_services(msg);
-  }
+  this->subscribe_homeassistant_services(msg);
 }
 #endif
 #ifdef USE_API_HOMEASSISTANT_STATES
 void APIServerConnection::on_subscribe_home_assistant_states_request(const SubscribeHomeAssistantStatesRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->subscribe_home_assistant_states(msg);
-  }
+  this->subscribe_home_assistant_states(msg);
 }
 #endif
-void APIServerConnection::on_get_time_request(const GetTimeRequest &msg) {
-  if (this->check_connection_setup_() && !this->send_get_time_response(msg)) {
-    this->on_fatal_error();
-  }
-}
 #ifdef USE_API_SERVICES
-void APIServerConnection::on_execute_service_request(const ExecuteServiceRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->execute_service(msg);
-  }
-}
+void APIServerConnection::on_execute_service_request(const ExecuteServiceRequest &msg) { this->execute_service(msg); }
 #endif
 #ifdef USE_API_NOISE
 void APIServerConnection::on_noise_encryption_set_key_request(const NoiseEncryptionSetKeyRequest &msg) {
-  if (this->check_authenticated_() && !this->send_noise_encryption_set_key_response(msg)) {
+  if (!this->send_noise_encryption_set_key_response(msg)) {
     this->on_fatal_error();
   }
 }
 #endif
 #ifdef USE_BUTTON
-void APIServerConnection::on_button_command_request(const ButtonCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->button_command(msg);
-  }
-}
+void APIServerConnection::on_button_command_request(const ButtonCommandRequest &msg) { this->button_command(msg); }
 #endif
 #ifdef USE_CAMERA
-void APIServerConnection::on_camera_image_request(const CameraImageRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->camera_image(msg);
-  }
-}
+void APIServerConnection::on_camera_image_request(const CameraImageRequest &msg) { this->camera_image(msg); }
 #endif
 #ifdef USE_CLIMATE
-void APIServerConnection::on_climate_command_request(const ClimateCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->climate_command(msg);
-  }
-}
+void APIServerConnection::on_climate_command_request(const ClimateCommandRequest &msg) { this->climate_command(msg); }
 #endif
 #ifdef USE_COVER
-void APIServerConnection::on_cover_command_request(const CoverCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->cover_command(msg);
-  }
-}
+void APIServerConnection::on_cover_command_request(const CoverCommandRequest &msg) { this->cover_command(msg); }
 #endif
 #ifdef USE_DATETIME_DATE
-void APIServerConnection::on_date_command_request(const DateCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->date_command(msg);
-  }
-}
+void APIServerConnection::on_date_command_request(const DateCommandRequest &msg) { this->date_command(msg); }
 #endif
 #ifdef USE_DATETIME_DATETIME
 void APIServerConnection::on_date_time_command_request(const DateTimeCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->datetime_command(msg);
-  }
+  this->datetime_command(msg);
 }
 #endif
 #ifdef USE_FAN
-void APIServerConnection::on_fan_command_request(const FanCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->fan_command(msg);
-  }
-}
+void APIServerConnection::on_fan_command_request(const FanCommandRequest &msg) { this->fan_command(msg); }
 #endif
 #ifdef USE_LIGHT
-void APIServerConnection::on_light_command_request(const LightCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->light_command(msg);
-  }
-}
+void APIServerConnection::on_light_command_request(const LightCommandRequest &msg) { this->light_command(msg); }
 #endif
 #ifdef USE_LOCK
-void APIServerConnection::on_lock_command_request(const LockCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->lock_command(msg);
-  }
-}
+void APIServerConnection::on_lock_command_request(const LockCommandRequest &msg) { this->lock_command(msg); }
 #endif
 #ifdef USE_MEDIA_PLAYER
 void APIServerConnection::on_media_player_command_request(const MediaPlayerCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->media_player_command(msg);
-  }
+  this->media_player_command(msg);
 }
 #endif
 #ifdef USE_NUMBER
-void APIServerConnection::on_number_command_request(const NumberCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->number_command(msg);
-  }
-}
+void APIServerConnection::on_number_command_request(const NumberCommandRequest &msg) { this->number_command(msg); }
 #endif
 #ifdef USE_SELECT
-void APIServerConnection::on_select_command_request(const SelectCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->select_command(msg);
-  }
-}
+void APIServerConnection::on_select_command_request(const SelectCommandRequest &msg) { this->select_command(msg); }
 #endif
 #ifdef USE_SIREN
-void APIServerConnection::on_siren_command_request(const SirenCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->siren_command(msg);
-  }
-}
+void APIServerConnection::on_siren_command_request(const SirenCommandRequest &msg) { this->siren_command(msg); }
 #endif
 #ifdef USE_SWITCH
-void APIServerConnection::on_switch_command_request(const SwitchCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->switch_command(msg);
-  }
-}
+void APIServerConnection::on_switch_command_request(const SwitchCommandRequest &msg) { this->switch_command(msg); }
 #endif
 #ifdef USE_TEXT
-void APIServerConnection::on_text_command_request(const TextCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->text_command(msg);
-  }
-}
+void APIServerConnection::on_text_command_request(const TextCommandRequest &msg) { this->text_command(msg); }
 #endif
 #ifdef USE_DATETIME_TIME
-void APIServerConnection::on_time_command_request(const TimeCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->time_command(msg);
-  }
-}
+void APIServerConnection::on_time_command_request(const TimeCommandRequest &msg) { this->time_command(msg); }
 #endif
 #ifdef USE_UPDATE
-void APIServerConnection::on_update_command_request(const UpdateCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->update_command(msg);
-  }
-}
+void APIServerConnection::on_update_command_request(const UpdateCommandRequest &msg) { this->update_command(msg); }
 #endif
 #ifdef USE_VALVE
-void APIServerConnection::on_valve_command_request(const ValveCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->valve_command(msg);
-  }
-}
+void APIServerConnection::on_valve_command_request(const ValveCommandRequest &msg) { this->valve_command(msg); }
 #endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_subscribe_bluetooth_le_advertisements_request(
     const SubscribeBluetoothLEAdvertisementsRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->subscribe_bluetooth_le_advertisements(msg);
-  }
+  this->subscribe_bluetooth_le_advertisements(msg);
 }
 #endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_bluetooth_device_request(const BluetoothDeviceRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->bluetooth_device_request(msg);
-  }
+  this->bluetooth_device_request(msg);
 }
 #endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_bluetooth_gatt_get_services_request(const BluetoothGATTGetServicesRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->bluetooth_gatt_get_services(msg);
-  }
+  this->bluetooth_gatt_get_services(msg);
 }
 #endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_bluetooth_gatt_read_request(const BluetoothGATTReadRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->bluetooth_gatt_read(msg);
-  }
+  this->bluetooth_gatt_read(msg);
 }
 #endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_bluetooth_gatt_write_request(const BluetoothGATTWriteRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->bluetooth_gatt_write(msg);
-  }
+  this->bluetooth_gatt_write(msg);
 }
 #endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_bluetooth_gatt_read_descriptor_request(const BluetoothGATTReadDescriptorRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->bluetooth_gatt_read_descriptor(msg);
-  }
+  this->bluetooth_gatt_read_descriptor(msg);
 }
 #endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_bluetooth_gatt_write_descriptor_request(const BluetoothGATTWriteDescriptorRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->bluetooth_gatt_write_descriptor(msg);
-  }
+  this->bluetooth_gatt_write_descriptor(msg);
 }
 #endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_bluetooth_gatt_notify_request(const BluetoothGATTNotifyRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->bluetooth_gatt_notify(msg);
-  }
+  this->bluetooth_gatt_notify(msg);
 }
 #endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_subscribe_bluetooth_connections_free_request(
     const SubscribeBluetoothConnectionsFreeRequest &msg) {
-  if (this->check_authenticated_() && !this->send_subscribe_bluetooth_connections_free_response(msg)) {
+  if (!this->send_subscribe_bluetooth_connections_free_response(msg)) {
     this->on_fatal_error();
   }
 }
@@ -869,45 +790,68 @@ void APIServerConnection::on_subscribe_bluetooth_connections_free_request(
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_unsubscribe_bluetooth_le_advertisements_request(
     const UnsubscribeBluetoothLEAdvertisementsRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->unsubscribe_bluetooth_le_advertisements(msg);
-  }
+  this->unsubscribe_bluetooth_le_advertisements(msg);
 }
 #endif
 #ifdef USE_BLUETOOTH_PROXY
 void APIServerConnection::on_bluetooth_scanner_set_mode_request(const BluetoothScannerSetModeRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->bluetooth_scanner_set_mode(msg);
-  }
+  this->bluetooth_scanner_set_mode(msg);
 }
 #endif
 #ifdef USE_VOICE_ASSISTANT
 void APIServerConnection::on_subscribe_voice_assistant_request(const SubscribeVoiceAssistantRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->subscribe_voice_assistant(msg);
-  }
+  this->subscribe_voice_assistant(msg);
 }
 #endif
 #ifdef USE_VOICE_ASSISTANT
 void APIServerConnection::on_voice_assistant_configuration_request(const VoiceAssistantConfigurationRequest &msg) {
-  if (this->check_authenticated_() && !this->send_voice_assistant_get_configuration_response(msg)) {
+  if (!this->send_voice_assistant_get_configuration_response(msg)) {
     this->on_fatal_error();
   }
 }
 #endif
 #ifdef USE_VOICE_ASSISTANT
 void APIServerConnection::on_voice_assistant_set_configuration(const VoiceAssistantSetConfiguration &msg) {
-  if (this->check_authenticated_()) {
-    this->voice_assistant_set_configuration(msg);
-  }
+  this->voice_assistant_set_configuration(msg);
 }
 #endif
 #ifdef USE_ALARM_CONTROL_PANEL
 void APIServerConnection::on_alarm_control_panel_command_request(const AlarmControlPanelCommandRequest &msg) {
-  if (this->check_authenticated_()) {
-    this->alarm_control_panel_command(msg);
-  }
+  this->alarm_control_panel_command(msg);
 }
 #endif
+#ifdef USE_ZWAVE_PROXY
+void APIServerConnection::on_z_wave_proxy_frame(const ZWaveProxyFrame &msg) { this->zwave_proxy_frame(msg); }
+#endif
+#ifdef USE_ZWAVE_PROXY
+void APIServerConnection::on_z_wave_proxy_request(const ZWaveProxyRequest &msg) { this->zwave_proxy_request(msg); }
+#endif
+
+void APIServerConnection::read_message(uint32_t msg_size, uint32_t msg_type, uint8_t *msg_data) {
+  // Check authentication/connection requirements for messages
+  switch (msg_type) {
+    case HelloRequest::MESSAGE_TYPE:  // No setup required
+#ifdef USE_API_PASSWORD
+    case AuthenticationRequest::MESSAGE_TYPE:  // No setup required
+#endif
+    case DisconnectRequest::MESSAGE_TYPE:  // No setup required
+    case PingRequest::MESSAGE_TYPE:        // No setup required
+      break;                               // Skip all checks for these messages
+    case DeviceInfoRequest::MESSAGE_TYPE:  // Connection setup only
+      if (!this->check_connection_setup_()) {
+        return;  // Connection not setup
+      }
+      break;
+    default:
+      // All other messages require authentication (which includes connection check)
+      if (!this->check_authenticated_()) {
+        return;  // Authentication failed
+      }
+      break;
+  }
+
+  // Call base implementation to process the message
+  APIServerConnectionBase::read_message(msg_size, msg_type, msg_data);
+}
 
 }  // namespace esphome::api

esphome/components/api/api_pb2_service.h

@@ -26,7 +26,9 @@ class APIServerConnectionBase : public ProtoService {
 
   virtual void on_hello_request(const HelloRequest &value){};
 
-  virtual void on_connect_request(const ConnectRequest &value){};
+#ifdef USE_API_PASSWORD
+  virtual void on_authentication_request(const AuthenticationRequest &value){};
+#endif
 
   virtual void on_disconnect_request(const DisconnectRequest &value){};
   virtual void on_disconnect_response(const DisconnectResponse &value){};
@@ -64,6 +66,9 @@ class APIServerConnectionBase : public ProtoService {
   virtual void on_subscribe_homeassistant_services_request(const SubscribeHomeassistantServicesRequest &value){};
 #endif
 
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+  virtual void on_homeassistant_action_response(const HomeassistantActionResponse &value){};
+#endif
 #ifdef USE_API_HOMEASSISTANT_STATES
   virtual void on_subscribe_home_assistant_states_request(const SubscribeHomeAssistantStatesRequest &value){};
 #endif
@@ -71,7 +76,7 @@ class APIServerConnectionBase : public ProtoService {
 #ifdef USE_API_HOMEASSISTANT_STATES
   virtual void on_home_assistant_state_response(const HomeAssistantStateResponse &value){};
 #endif
-  virtual void on_get_time_request(const GetTimeRequest &value){};
+
   virtual void on_get_time_response(const GetTimeResponse &value){};
 
 #ifdef USE_API_SERVICES
@@ -205,6 +210,12 @@ class APIServerConnectionBase : public ProtoService {
 
 #ifdef USE_UPDATE
   virtual void on_update_command_request(const UpdateCommandRequest &value){};
+#endif
+#ifdef USE_ZWAVE_PROXY
+  virtual void on_z_wave_proxy_frame(const ZWaveProxyFrame &value){};
+#endif
+#ifdef USE_ZWAVE_PROXY
+  virtual void on_z_wave_proxy_request(const ZWaveProxyRequest &value){};
 #endif
  protected:
   void read_message(uint32_t msg_size, uint32_t msg_type, uint8_t *msg_data) override;
@@ -213,7 +224,9 @@ class APIServerConnectionBase : public ProtoService {
 class APIServerConnection : public APIServerConnectionBase {
  public:
   virtual bool send_hello_response(const HelloRequest &msg) = 0;
-  virtual bool send_connect_response(const ConnectRequest &msg) = 0;
+#ifdef USE_API_PASSWORD
+  virtual bool send_authenticate_response(const AuthenticationRequest &msg) = 0;
+#endif
   virtual bool send_disconnect_response(const DisconnectRequest &msg) = 0;
   virtual bool send_ping_response(const PingRequest &msg) = 0;
   virtual bool send_device_info_response(const DeviceInfoRequest &msg) = 0;
@@ -226,7 +239,6 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_API_HOMEASSISTANT_STATES
   virtual void subscribe_home_assistant_states(const SubscribeHomeAssistantStatesRequest &msg) = 0;
 #endif
-  virtual bool send_get_time_response(const GetTimeRequest &msg) = 0;
 #ifdef USE_API_SERVICES
   virtual void execute_service(const ExecuteServiceRequest &msg) = 0;
 #endif
@@ -332,10 +344,18 @@ class APIServerConnection : public APIServerConnectionBase {
 #endif
 #ifdef USE_ALARM_CONTROL_PANEL
   virtual void alarm_control_panel_command(const AlarmControlPanelCommandRequest &msg) = 0;
+#endif
+#ifdef USE_ZWAVE_PROXY
+  virtual void zwave_proxy_frame(const ZWaveProxyFrame &msg) = 0;
+#endif
+#ifdef USE_ZWAVE_PROXY
+  virtual void zwave_proxy_request(const ZWaveProxyRequest &msg) = 0;
 #endif
  protected:
   void on_hello_request(const HelloRequest &msg) override;
-  void on_connect_request(const ConnectRequest &msg) override;
+#ifdef USE_API_PASSWORD
+  void on_authentication_request(const AuthenticationRequest &msg) override;
+#endif
   void on_disconnect_request(const DisconnectRequest &msg) override;
   void on_ping_request(const PingRequest &msg) override;
   void on_device_info_request(const DeviceInfoRequest &msg) override;
@@ -348,7 +368,6 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_API_HOMEASSISTANT_STATES
   void on_subscribe_home_assistant_states_request(const SubscribeHomeAssistantStatesRequest &msg) override;
 #endif
-  void on_get_time_request(const GetTimeRequest &msg) override;
 #ifdef USE_API_SERVICES
   void on_execute_service_request(const ExecuteServiceRequest &msg) override;
 #endif
@@ -455,6 +474,13 @@ class APIServerConnection : public APIServerConnectionBase {
 #ifdef USE_ALARM_CONTROL_PANEL
   void on_alarm_control_panel_command_request(const AlarmControlPanelCommandRequest &msg) override;
 #endif
+#ifdef USE_ZWAVE_PROXY
+  void on_z_wave_proxy_frame(const ZWaveProxyFrame &msg) override;
+#endif
+#ifdef USE_ZWAVE_PROXY
+  void on_z_wave_proxy_request(const ZWaveProxyRequest &msg) override;
+#endif
+  void read_message(uint32_t msg_size, uint32_t msg_type, uint8_t *msg_data) override;
 };
 
 }  // namespace esphome::api

esphome/components/api/api_server.cpp

@@ -9,12 +9,16 @@
 #include "esphome/core/log.h"
 #include "esphome/core/util.h"
 #include "esphome/core/version.h"
+#ifdef USE_API_HOMEASSISTANT_SERVICES
+#include "homeassistant_service.h"
+#endif
 
 #ifdef USE_LOGGER
 #include "esphome/components/logger/logger.h"
 #endif
 
 #include <algorithm>
+#include <utility>
 
 namespace esphome::api {
 
@@ -37,12 +41,14 @@ void APIServer::setup() {
 
   this->noise_pref_ = global_preferences->make_preference<SavedNoisePsk>(hash, true);
 
+#ifndef USE_API_NOISE_PSK_FROM_YAML
+  // Only load saved PSK if not set from YAML
   SavedNoisePsk noise_pref_saved{};
   if (this->noise_pref_.load(&noise_pref_saved)) {
     ESP_LOGD(TAG, "Loaded saved Noise PSK");
-
     this->set_noise_psk(noise_pref_saved.psk);
   }
+#endif
 #endif
 
   // Schedule reboot if no clients connect within timeout
@@ -85,7 +91,7 @@ void APIServer::setup() {
     return;
   }
 
-  err = this->socket_->listen(4);
+  err = this->socket_->listen(this->listen_backlog_);
   if (err != 0) {
     ESP_LOGW(TAG, "Socket unable to listen: errno %d", errno);
     this->mark_failed();
@@ -138,9 +144,19 @@ void APIServer::loop() {
     while (true) {
       struct sockaddr_storage source_addr;
       socklen_t addr_len = sizeof(source_addr);
+
       auto sock = this->socket_->accept_loop_monitored((struct sockaddr *) &source_addr, &addr_len);
       if (!sock)
         break;
+
+      // Check if we're at the connection limit
+      if (this->clients_.size() >= this->max_connections_) {
+        ESP_LOGW(TAG, "Max connections (%d), rejecting %s", this->max_connections_, sock->getpeername().c_str());
+        // Immediately close - socket destructor will handle cleanup
+        sock.reset();
+        continue;
+      }
+
       ESP_LOGD(TAG, "Accept %s", sock->getpeername().c_str());
 
       auto *conn = new APIConnection(std::move(sock), this);
@@ -165,7 +181,8 @@ void APIServer::loop() {
     // Network is down - disconnect all clients
     for (auto &client : this->clients_) {
       client->on_fatal_error();
-      ESP_LOGW(TAG, "%s: Network down; disconnect", client->get_client_combined_info().c_str());
+      ESP_LOGW(TAG, "%s (%s): Network down; disconnect", client->client_info_.name.c_str(),
+               client->client_info_.peername.c_str());
     }
     // Continue to process and clean up the clients below
   }
@@ -204,8 +221,10 @@ void APIServer::loop() {
 void APIServer::dump_config() {
   ESP_LOGCONFIG(TAG,
                 "Server:\n"
-                "  Address: %s:%u",
-                network::get_use_address().c_str(), this->port_);
+                "  Address: %s:%u\n"
+                "  Listen backlog: %u\n"
+                "  Max connections: %u",
+                network::get_use_address().c_str(), this->port_, this->listen_backlog_, this->max_connections_);
 #ifdef USE_API_NOISE
   ESP_LOGCONFIG(TAG, "  Noise encryption: %s", YESNO(this->noise_ctx_->has_psk()));
   if (!this->noise_ctx_->has_psk()) {
@@ -217,12 +236,12 @@ void APIServer::dump_config() {
 }
 
 #ifdef USE_API_PASSWORD
-bool APIServer::check_password(const std::string &password) const {
+bool APIServer::check_password(const uint8_t *password_data, size_t password_len) const {
   // depend only on input password length
   const char *a = this->password_.c_str();
   uint32_t len_a = this->password_.length();
-  const char *b = password.c_str();
-  uint32_t len_b = password.length();
+  const char *b = reinterpret_cast<const char *>(password_data);
+  uint32_t len_b = password_len;
 
   // disable optimization with volatile
   volatile uint32_t length = len_b;
@@ -245,6 +264,7 @@ bool APIServer::check_password(const std::string &password) const {
 
   return result == 0;
 }
+
 #endif
 
 void APIServer::handle_disconnect(APIConnection *conn) {}
@@ -355,6 +375,15 @@ void APIServer::on_update(update::UpdateEntity *obj) {
 }
 #endif
 
+#ifdef USE_ZWAVE_PROXY
+void APIServer::on_zwave_proxy_request(const esphome::api::ProtoMessage &msg) {
+  // We could add code to manage a second subscription type, but, since this message type is
+  //  very infrequent and small, we simply send it to all clients
+  for (auto &c : this->clients_)
+    c->send_message(msg, api::ZWaveProxyRequest::MESSAGE_TYPE);
+}
+#endif
+
 #ifdef USE_ALARM_CONTROL_PANEL
 API_DISPATCH_UPDATE(alarm_control_panel::AlarmControlPanel, alarm_control_panel)
 #endif
@@ -370,12 +399,43 @@ void APIServer::set_password(const std::string &password) { this->password_ = pa
 void APIServer::set_batch_delay(uint16_t batch_delay) { this->batch_delay_ = batch_delay; }
 
 #ifdef USE_API_HOMEASSISTANT_SERVICES
-void APIServer::send_homeassistant_service_call(const HomeassistantServiceResponse &call) {
+void APIServer::send_homeassistant_action(const HomeassistantActionRequest &call) {
   for (auto &client : this->clients_) {
-    client->send_homeassistant_service_call(call);
+    client->send_homeassistant_action(call);
   }
 }
-#endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+void APIServer::register_action_response_callback(uint32_t call_id, ActionResponseCallback callback) {
+  this->action_response_callbacks_.push_back({call_id, std::move(callback)});
+}
+
+void APIServer::handle_action_response(uint32_t call_id, bool success, const std::string &error_message) {
+  for (auto it = this->action_response_callbacks_.begin(); it != this->action_response_callbacks_.end(); ++it) {
+    if (it->call_id == call_id) {
+      auto callback = std::move(it->callback);
+      this->action_response_callbacks_.erase(it);
+      ActionResponse response(success, error_message);
+      callback(response);
+      return;
+    }
+  }
+}
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+void APIServer::handle_action_response(uint32_t call_id, bool success, const std::string &error_message,
+                                       const uint8_t *response_data, size_t response_data_len) {
+  for (auto it = this->action_response_callbacks_.begin(); it != this->action_response_callbacks_.end(); ++it) {
+    if (it->call_id == call_id) {
+      auto callback = std::move(it->callback);
+      this->action_response_callbacks_.erase(it);
+      ActionResponse response(success, error_message, response_data, response_data_len);
+      callback(response);
+      return;
+    }
+  }
+}
+#endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+#endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES
+#endif  // USE_API_HOMEASSISTANT_SERVICES
 
 #ifdef USE_API_HOMEASSISTANT_STATES
 void APIServer::subscribe_home_assistant_state(std::string entity_id, optional<std::string> attribute,
@@ -409,6 +469,12 @@ void APIServer::set_reboot_timeout(uint32_t reboot_timeout) { this->reboot_timeo
 
 #ifdef USE_API_NOISE
 bool APIServer::save_noise_psk(psk_t psk, bool make_active) {
+#ifdef USE_API_NOISE_PSK_FROM_YAML
+  // When PSK is set from YAML, this function should never be called
+  // but if it is, reject the change
+  ESP_LOGW(TAG, "Key set in YAML");
+  return false;
+#else
   auto &old_psk = this->noise_ctx_->get_psk();
   if (std::equal(old_psk.begin(), old_psk.end(), psk.begin())) {
     ESP_LOGW(TAG, "New PSK matches old");
@@ -437,6 +503,7 @@ bool APIServer::save_noise_psk(psk_t psk, bool make_active) {
     });
   }
   return true;
+#endif
 }
 #endif
 

esphome/components/api/api_server.h

@@ -16,6 +16,7 @@
 #include "user_services.h"
 #endif
 
+#include <map>
 #include <vector>
 
 namespace esphome::api {
@@ -37,13 +38,15 @@ class APIServer : public Component, public Controller {
   void on_shutdown() override;
   bool teardown() override;
 #ifdef USE_API_PASSWORD
-  bool check_password(const std::string &password) const;
+  bool check_password(const uint8_t *password_data, size_t password_len) const;
   void set_password(const std::string &password);
 #endif
   void set_port(uint16_t port);
   void set_reboot_timeout(uint32_t reboot_timeout);
   void set_batch_delay(uint16_t batch_delay);
   uint16_t get_batch_delay() const { return batch_delay_; }
+  void set_listen_backlog(uint8_t listen_backlog) { this->listen_backlog_ = listen_backlog; }
+  void set_max_connections(uint8_t max_connections) { this->max_connections_ = max_connections; }
 
   // Get reference to shared buffer for API connections
   std::vector<uint8_t> &get_shared_buffer_ref() { return shared_write_buffer_; }
@@ -107,8 +110,19 @@ class APIServer : public Component, public Controller {
   void on_media_player_update(media_player::MediaPlayer *obj) override;
 #endif
 #ifdef USE_API_HOMEASSISTANT_SERVICES
-  void send_homeassistant_service_call(const HomeassistantServiceResponse &call);
-#endif
+  void send_homeassistant_action(const HomeassistantActionRequest &call);
+
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+  // Action response handling
+  using ActionResponseCallback = std::function<void(const class ActionResponse &)>;
+  void register_action_response_callback(uint32_t call_id, ActionResponseCallback callback);
+  void handle_action_response(uint32_t call_id, bool success, const std::string &error_message);
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  void handle_action_response(uint32_t call_id, bool success, const std::string &error_message,
+                              const uint8_t *response_data, size_t response_data_len);
+#endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+#endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES
+#endif  // USE_API_HOMEASSISTANT_SERVICES
 #ifdef USE_API_SERVICES
   void register_user_service(UserServiceDescriptor *descriptor) { this->user_services_.push_back(descriptor); }
 #endif
@@ -125,6 +139,9 @@ class APIServer : public Component, public Controller {
 #ifdef USE_UPDATE
   void on_update(update::UpdateEntity *obj) override;
 #endif
+#ifdef USE_ZWAVE_PROXY
+  void on_zwave_proxy_request(const esphome::api::ProtoMessage &msg);
+#endif
 
   bool is_connected() const;
 
@@ -181,12 +198,23 @@ class APIServer : public Component, public Controller {
 #ifdef USE_API_SERVICES
   std::vector<UserServiceDescriptor *> user_services_;
 #endif
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+  struct PendingActionResponse {
+    uint32_t call_id;
+    ActionResponseCallback callback;
+  };
+  std::vector<PendingActionResponse> action_response_callbacks_;
+#endif
 
   // Group smaller types together
   uint16_t port_{6053};
   uint16_t batch_delay_{100};
+  // Connection limits - these defaults will be overridden by config values
+  // from cv.SplitDefault in __init__.py which sets platform-specific defaults
+  uint8_t listen_backlog_{4};
+  uint8_t max_connections_{8};
   bool shutting_down_ = false;
-  // 5 bytes used, 3 bytes padding
+  // 7 bytes used, 1 byte padding
 
 #ifdef USE_API_NOISE
   std::shared_ptr<APINoiseContext> noise_ctx_ = std::make_shared<APINoiseContext>();

esphome/components/api/client.py

@@ -62,9 +62,11 @@ async def async_run_logs(config: dict[str, Any], addresses: list[str]) -> None:
         time_ = datetime.now()
         message: bytes = msg.message
         text = message.decode("utf8", "backslashreplace")
-        for parsed_msg in parse_log_message(
-            text, f"[{time_.hour:02}:{time_.minute:02}:{time_.second:02}]"
-        ):
+        nanoseconds = time_.microsecond // 1000
+        timestamp = (
+            f"[{time_.hour:02}:{time_.minute:02}:{time_.second:02}.{nanoseconds:03}]"
+        )
+        for parsed_msg in parse_log_message(text, timestamp):
             print(parsed_msg.replace("\033", "\\033") if dashboard else parsed_msg)
 
     stop = await async_run(cli, on_log, name=name)

esphome/components/api/custom_api_device.h

@@ -179,9 +179,9 @@ class CustomAPIDevice {
    * @param service_name The service to call.
    */
   void call_homeassistant_service(const std::string &service_name) {
-    HomeassistantServiceResponse resp;
+    HomeassistantActionRequest resp;
     resp.set_service(StringRef(service_name));
-    global_api_server->send_homeassistant_service_call(resp);
+    global_api_server->send_homeassistant_action(resp);
   }
 
   /** Call a Home Assistant service from ESPHome.
@@ -199,7 +199,7 @@ class CustomAPIDevice {
    * @param data The data for the service call, mapping from string to string.
    */
   void call_homeassistant_service(const std::string &service_name, const std::map<std::string, std::string> &data) {
-    HomeassistantServiceResponse resp;
+    HomeassistantActionRequest resp;
     resp.set_service(StringRef(service_name));
     for (auto &it : data) {
       resp.data.emplace_back();
@@ -207,7 +207,7 @@ class CustomAPIDevice {
       kv.set_key(StringRef(it.first));
       kv.value = it.second;
     }
-    global_api_server->send_homeassistant_service_call(resp);
+    global_api_server->send_homeassistant_action(resp);
   }
 
   /** Fire an ESPHome event in Home Assistant.
@@ -221,10 +221,10 @@ class CustomAPIDevice {
    * @param event_name The event to fire.
    */
   void fire_homeassistant_event(const std::string &event_name) {
-    HomeassistantServiceResponse resp;
+    HomeassistantActionRequest resp;
     resp.set_service(StringRef(event_name));
     resp.is_event = true;
-    global_api_server->send_homeassistant_service_call(resp);
+    global_api_server->send_homeassistant_action(resp);
   }
 
   /** Fire an ESPHome event in Home Assistant.
@@ -241,7 +241,7 @@ class CustomAPIDevice {
    * @param data The data for the event, mapping from string to string.
    */
   void fire_homeassistant_event(const std::string &service_name, const std::map<std::string, std::string> &data) {
-    HomeassistantServiceResponse resp;
+    HomeassistantActionRequest resp;
     resp.set_service(StringRef(service_name));
     resp.is_event = true;
     for (auto &it : data) {
@@ -250,7 +250,7 @@ class CustomAPIDevice {
       kv.set_key(StringRef(it.first));
       kv.value = it.second;
     }
-    global_api_server->send_homeassistant_service_call(resp);
+    global_api_server->send_homeassistant_action(resp);
   }
 #else
   template<typename T = void> void call_homeassistant_service(const std::string &service_name) {

esphome/components/api/homeassistant_service.h

@@ -3,10 +3,15 @@
 #include "api_server.h"
 #ifdef USE_API
 #ifdef USE_API_HOMEASSISTANT_SERVICES
+#include <functional>
+#include <utility>
+#include <vector>
 #include "api_pb2.h"
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+#include "esphome/components/json/json_util.h"
+#endif
 #include "esphome/core/automation.h"
 #include "esphome/core/helpers.h"
-#include <vector>
 
 namespace esphome::api {
 
@@ -44,9 +49,47 @@ template<typename... Ts> class TemplatableKeyValuePair {
   TemplatableStringValue<Ts...> value;
 };
 
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+// Represents the response data from a Home Assistant action
+class ActionResponse {
+ public:
+  ActionResponse(bool success, std::string error_message = "")
+      : success_(success), error_message_(std::move(error_message)) {}
+
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  ActionResponse(bool success, std::string error_message, const uint8_t *data, size_t data_len)
+      : success_(success), error_message_(std::move(error_message)) {
+    if (data == nullptr || data_len == 0)
+      return;
+    this->json_document_ = json::parse_json(data, data_len);
+  }
+#endif
+
+  bool is_success() const { return this->success_; }
+  const std::string &get_error_message() const { return this->error_message_; }
+
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  // Get data as parsed JSON object (const version returns read-only view)
+  JsonObjectConst get_json() const { return this->json_document_.as<JsonObjectConst>(); }
+#endif
+
+ protected:
+  bool success_;
+  std::string error_message_;
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  JsonDocument json_document_;
+#endif
+};
+
+// Callback type for action responses
+template<typename... Ts> using ActionResponseCallback = std::function<void(const ActionResponse &, Ts...)>;
+#endif
+
 template<typename... Ts> class HomeAssistantServiceCallAction : public Action<Ts...> {
  public:
-  explicit HomeAssistantServiceCallAction(APIServer *parent, bool is_event) : parent_(parent), is_event_(is_event) {}
+  explicit HomeAssistantServiceCallAction(APIServer *parent, bool is_event) : parent_(parent) {
+    this->flags_.is_event = is_event;
+  }
 
   template<typename T> void set_service(T service) { this->service_ = service; }
 
@@ -61,11 +104,29 @@ template<typename... Ts> class HomeAssistantServiceCallAction : public Action<Ts
     this->variables_.emplace_back(std::move(key), value);
   }
 
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+  template<typename T> void set_response_template(T response_template) {
+    this->response_template_ = response_template;
+    this->flags_.has_response_template = true;
+  }
+
+  void set_wants_status() { this->flags_.wants_status = true; }
+  void set_wants_response() { this->flags_.wants_response = true; }
+
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  Trigger<JsonObjectConst, Ts...> *get_success_trigger_with_response() const {
+    return this->success_trigger_with_response_;
+  }
+#endif
+  Trigger<Ts...> *get_success_trigger() const { return this->success_trigger_; }
+  Trigger<std::string, Ts...> *get_error_trigger() const { return this->error_trigger_; }
+#endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES
+
   void play(Ts... x) override {
-    HomeassistantServiceResponse resp;
+    HomeassistantActionRequest resp;
     std::string service_value = this->service_.value(x...);
     resp.set_service(StringRef(service_value));
-    resp.is_event = this->is_event_;
+    resp.is_event = this->flags_.is_event;
     for (auto &it : this->data_) {
       resp.data.emplace_back();
       auto &kv = resp.data.back();
@@ -84,18 +145,74 @@ template<typename... Ts> class HomeAssistantServiceCallAction : public Action<Ts
       kv.set_key(StringRef(it.key));
       kv.value = it.value.value(x...);
     }
-    this->parent_->send_homeassistant_service_call(resp);
+
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+    if (this->flags_.wants_status) {
+      // Generate a unique call ID for this service call
+      static uint32_t call_id_counter = 1;
+      uint32_t call_id = call_id_counter++;
+      resp.call_id = call_id;
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+      if (this->flags_.wants_response) {
+        resp.wants_response = true;
+        // Set response template if provided
+        if (this->flags_.has_response_template) {
+          std::string response_template_value = this->response_template_.value(x...);
+          resp.response_template = response_template_value;
+        }
+      }
+#endif
+
+      auto captured_args = std::make_tuple(x...);
+      this->parent_->register_action_response_callback(call_id, [this, captured_args](const ActionResponse &response) {
+        std::apply(
+            [this, &response](auto &&...args) {
+              if (response.is_success()) {
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+                if (this->flags_.wants_response) {
+                  this->success_trigger_with_response_->trigger(response.get_json(), args...);
+                } else
+#endif
+                {
+                  this->success_trigger_->trigger(args...);
+                }
+              } else {
+                this->error_trigger_->trigger(response.get_error_message(), args...);
+              }
+            },
+            captured_args);
+      });
+    }
+#endif
+
+    this->parent_->send_homeassistant_action(resp);
   }
 
  protected:
   APIServer *parent_;
-  bool is_event_;
   TemplatableStringValue<Ts...> service_{};
   std::vector<TemplatableKeyValuePair<Ts...>> data_;
   std::vector<TemplatableKeyValuePair<Ts...>> data_template_;
   std::vector<TemplatableKeyValuePair<Ts...>> variables_;
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES
+#ifdef USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  TemplatableStringValue<Ts...> response_template_{""};
+  Trigger<JsonObjectConst, Ts...> *success_trigger_with_response_ = new Trigger<JsonObjectConst, Ts...>();
+#endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES_JSON
+  Trigger<Ts...> *success_trigger_ = new Trigger<Ts...>();
+  Trigger<std::string, Ts...> *error_trigger_ = new Trigger<std::string, Ts...>();
+#endif  // USE_API_HOMEASSISTANT_ACTION_RESPONSES
+
+  struct Flags {
+    uint8_t is_event : 1;
+    uint8_t wants_status : 1;
+    uint8_t wants_response : 1;
+    uint8_t has_response_template : 1;
+    uint8_t reserved : 5;
+  } flags_{0};
 };
 
 }  // namespace esphome::api
+
 #endif
 #endif

esphome/components/api/proto.h

@@ -182,6 +182,10 @@ class ProtoLengthDelimited {
   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_); }
 
+  // Direct access to raw data without string allocation
+  const uint8_t *data() const { return this->value_; }
+  size_t size() const { return this->length_; }
+
   /**
    * Decode the length-delimited data into an existing ProtoDecodableMessage instance.
    *
@@ -827,7 +831,7 @@ class ProtoService {
   }
 
   // Authentication helper methods
-  bool check_connection_setup_() {
+  inline bool check_connection_setup_() {
     if (!this->is_connection_setup()) {
       this->on_no_setup_connection();
       return false;
@@ -835,7 +839,7 @@ class ProtoService {
     return true;
   }
 
-  bool check_authenticated_() {
+  inline bool check_authenticated_() {
 #ifdef USE_API_PASSWORD
     if (!this->check_connection_setup_()) {
       return false;

esphome/components/api/user_services.h

@@ -35,7 +35,7 @@ template<typename... Ts> class UserServiceBase : public UserServiceDescriptor {
     msg.set_name(StringRef(this->name_));
     msg.key = this->key_;
     std::array<enums::ServiceArgType, sizeof...(Ts)> arg_types = {to_service_arg_type<Ts>()...};
-    for (int i = 0; i < sizeof...(Ts); i++) {
+    for (size_t i = 0; i < sizeof...(Ts); i++) {
       msg.args.emplace_back();
       auto &arg = msg.args.back();
       arg.type = arg_types[i];
@@ -55,7 +55,7 @@ template<typename... Ts> class UserServiceBase : public UserServiceDescriptor {
 
  protected:
   virtual void execute(Ts... x) = 0;
-  template<int... S> void execute_(std::vector<ExecuteServiceArgument> args, seq<S...> type) {
+  template<int... S> void execute_(const std::vector<ExecuteServiceArgument> &args, seq<S...> type) {
     this->execute((get_execute_arg_value<Ts>(args[S]))...);
   }
 

esphome/components/as7341/sensor.py

@@ -2,6 +2,7 @@ import esphome.codegen as cg
 from esphome.components import i2c, sensor
 import esphome.config_validation as cv
 from esphome.const import (
+    CONF_CLEAR,
     CONF_GAIN,
     CONF_ID,
     DEVICE_CLASS_ILLUMINANCE,
@@ -29,7 +30,6 @@ CONF_F5 = "f5"
 CONF_F6 = "f6"
 CONF_F7 = "f7"
 CONF_F8 = "f8"
-CONF_CLEAR = "clear"
 CONF_NIR = "nir"
 
 UNIT_COUNTS = "#"

esphome/components/atm90e26/sensor.py

@@ -16,6 +16,7 @@ from esphome.const import (
     DEVICE_CLASS_ENERGY,
     DEVICE_CLASS_POWER,
     DEVICE_CLASS_POWER_FACTOR,
+    DEVICE_CLASS_REACTIVE_POWER,
     DEVICE_CLASS_VOLTAGE,
     ICON_CURRENT_AC,
     ICON_LIGHTBULB,
@@ -78,6 +79,7 @@ CONFIG_SCHEMA = (
                 unit_of_measurement=UNIT_VOLT_AMPS_REACTIVE,
                 icon=ICON_LIGHTBULB,
                 accuracy_decimals=2,
+                device_class=DEVICE_CLASS_REACTIVE_POWER,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
             cv.Optional(CONF_POWER_FACTOR): sensor.sensor_schema(

esphome/components/atm90e32/sensor.py

@@ -17,10 +17,12 @@ from esphome.const import (
     CONF_REACTIVE_POWER,
     CONF_REVERSE_ACTIVE_ENERGY,
     CONF_VOLTAGE,
+    DEVICE_CLASS_APPARENT_POWER,
     DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
     DEVICE_CLASS_POWER,
     DEVICE_CLASS_POWER_FACTOR,
+    DEVICE_CLASS_REACTIVE_POWER,
     DEVICE_CLASS_TEMPERATURE,
     DEVICE_CLASS_VOLTAGE,
     ENTITY_CATEGORY_DIAGNOSTIC,
@@ -100,13 +102,13 @@ ATM90E32_PHASE_SCHEMA = cv.Schema(
             unit_of_measurement=UNIT_VOLT_AMPS_REACTIVE,
             icon=ICON_LIGHTBULB,
             accuracy_decimals=2,
-            device_class=DEVICE_CLASS_POWER,
+            device_class=DEVICE_CLASS_REACTIVE_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional(CONF_APPARENT_POWER): sensor.sensor_schema(
             unit_of_measurement=UNIT_VOLT_AMPS,
             accuracy_decimals=2,
-            device_class=DEVICE_CLASS_POWER,
+            device_class=DEVICE_CLASS_APPARENT_POWER,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         cv.Optional(CONF_POWER_FACTOR): sensor.sensor_schema(

esphome/components/audio/__init__.py

@@ -165,4 +165,4 @@ def final_validate_audio_schema(
 
 
 async def to_code(config):
-    cg.add_library("esphome/esp-audio-libs", "1.1.4")
+    cg.add_library("esphome/esp-audio-libs", "2.0.1")

esphome/components/audio/audio.cpp

@@ -57,7 +57,7 @@ const char *audio_file_type_to_string(AudioFileType file_type) {
 void scale_audio_samples(const int16_t *audio_samples, int16_t *output_buffer, int16_t scale_factor,
                          size_t samples_to_scale) {
   // Note the assembly dsps_mulc function has audio glitches if the input and output buffers are the same.
-  for (int i = 0; i < samples_to_scale; i++) {
+  for (size_t i = 0; i < samples_to_scale; i++) {
     int32_t acc = (int32_t) audio_samples[i] * (int32_t) scale_factor;
     output_buffer[i] = (int16_t) (acc >> 15);
   }

esphome/components/audio/audio_decoder.cpp

@@ -229,18 +229,18 @@ FileDecoderState AudioDecoder::decode_flac_() {
     auto result = this->flac_decoder_->read_header(this->input_transfer_buffer_->get_buffer_start(),
                                                    this->input_transfer_buffer_->available());
 
-    if (result == esp_audio_libs::flac::FLAC_DECODER_HEADER_OUT_OF_DATA) {
-      return FileDecoderState::POTENTIALLY_FAILED;
-    }
-
-    if (result != esp_audio_libs::flac::FLAC_DECODER_SUCCESS) {
-      // Couldn't read FLAC header
+    if (result > esp_audio_libs::flac::FLAC_DECODER_HEADER_OUT_OF_DATA) {
+      // Serrious error reading FLAC header, there is no recovery
       return FileDecoderState::FAILED;
     }
 
     size_t bytes_consumed = this->flac_decoder_->get_bytes_index();
     this->input_transfer_buffer_->decrease_buffer_length(bytes_consumed);
 
+    if (result == esp_audio_libs::flac::FLAC_DECODER_HEADER_OUT_OF_DATA) {
+      return FileDecoderState::MORE_TO_PROCESS;
+    }
+
     // Reallocate the output transfer buffer to the smallest necessary size
     this->free_buffer_required_ = flac_decoder_->get_output_buffer_size_bytes();
     if (!this->output_transfer_buffer_->reallocate(this->free_buffer_required_)) {
@@ -256,9 +256,9 @@ FileDecoderState AudioDecoder::decode_flac_() {
   }
 
   uint32_t output_samples = 0;
-  auto result = this->flac_decoder_->decode_frame(
-      this->input_transfer_buffer_->get_buffer_start(), this->input_transfer_buffer_->available(),
-      reinterpret_cast<int16_t *>(this->output_transfer_buffer_->get_buffer_end()), &output_samples);
+  auto result = this->flac_decoder_->decode_frame(this->input_transfer_buffer_->get_buffer_start(),
+                                                  this->input_transfer_buffer_->available(),
+                                                  this->output_transfer_buffer_->get_buffer_end(), &output_samples);
 
   if (result == esp_audio_libs::flac::FLAC_DECODER_ERROR_OUT_OF_DATA) {
     // Not an issue, just needs more data that we'll get next time.

esphome/components/bedjet/bedjet_hub.cpp

@@ -493,7 +493,7 @@ void BedJetHub::dump_config() {
                 "  ble_client.app_id: %d\n"
                 "  ble_client.conn_id: %d",
                 this->get_name().c_str(), this->parent()->app_id, this->parent()->get_conn_id());
-  LOG_UPDATE_INTERVAL(this)
+  LOG_UPDATE_INTERVAL(this);
   ESP_LOGCONFIG(TAG, "  Child components (%d):", this->children_.size());
   for (auto *child : this->children_) {
     ESP_LOGCONFIG(TAG, "    - %s", child->describe().c_str());

esphome/components/bl0906/bl0906.cpp

@@ -97,10 +97,10 @@ void BL0906::handle_actions_() {
     return;
   }
   ActionCallbackFuncPtr ptr_func = nullptr;
-  for (int i = 0; i < this->action_queue_.size(); i++) {
+  for (size_t i = 0; i < this->action_queue_.size(); i++) {
     ptr_func = this->action_queue_[i];
     if (ptr_func) {
-      ESP_LOGI(TAG, "HandleActionCallback[%d]", i);
+      ESP_LOGI(TAG, "HandleActionCallback[%zu]", i);
       (this->*ptr_func)();
     }
   }

esphome/components/bl0940/__init__.py

@@ -1 +1,6 @@
-CODEOWNERS = ["@tobias-"]
+import esphome.codegen as cg
+
+CODEOWNERS = ["@tobias-", "@dan-s-github"]
+
+CONF_BL0940_ID = "bl0940_id"
+bl0940_ns = cg.esphome_ns.namespace("bl0940")

esphome/components/bl0940/bl0940.cpp

@@ -7,28 +7,26 @@ namespace bl0940 {
 
 static const char *const TAG = "bl0940";
 
-static const uint8_t BL0940_READ_COMMAND = 0x50;  // 0x58 according to documentation
 static const uint8_t BL0940_FULL_PACKET = 0xAA;
-static const uint8_t BL0940_PACKET_HEADER = 0x55;  // 0x58 according to documentation
+static const uint8_t BL0940_PACKET_HEADER = 0x55;  // 0x58 according to en doc but 0x55 in cn doc
 
-static const uint8_t BL0940_WRITE_COMMAND = 0xA0;  // 0xA8 according to documentation
 static const uint8_t BL0940_REG_I_FAST_RMS_CTRL = 0x10;
 static const uint8_t BL0940_REG_MODE = 0x18;
 static const uint8_t BL0940_REG_SOFT_RESET = 0x19;
 static const uint8_t BL0940_REG_USR_WRPROT = 0x1A;
 static const uint8_t BL0940_REG_TPS_CTRL = 0x1B;
 
-const uint8_t BL0940_INIT[5][6] = {
+static const uint8_t BL0940_INIT[5][5] = {
     // Reset to default
-    {BL0940_WRITE_COMMAND, BL0940_REG_SOFT_RESET, 0x5A, 0x5A, 0x5A, 0x38},
+    {BL0940_REG_SOFT_RESET, 0x5A, 0x5A, 0x5A, 0x38},
     // Enable User Operation Write
-    {BL0940_WRITE_COMMAND, BL0940_REG_USR_WRPROT, 0x55, 0x00, 0x00, 0xF0},
+    {BL0940_REG_USR_WRPROT, 0x55, 0x00, 0x00, 0xF0},
     // 0x0100 = CF_UNABLE energy pulse, AC_FREQ_SEL 50Hz, RMS_UPDATE_SEL 800mS
-    {BL0940_WRITE_COMMAND, BL0940_REG_MODE, 0x00, 0x10, 0x00, 0x37},
+    {BL0940_REG_MODE, 0x00, 0x10, 0x00, 0x37},
     // 0x47FF = Over-current and leakage alarm on, Automatic temperature measurement, Interval 100mS
-    {BL0940_WRITE_COMMAND, BL0940_REG_TPS_CTRL, 0xFF, 0x47, 0x00, 0xFE},
+    {BL0940_REG_TPS_CTRL, 0xFF, 0x47, 0x00, 0xFE},
     // 0x181C = Half cycle, Fast RMS threshold 6172
-    {BL0940_WRITE_COMMAND, BL0940_REG_I_FAST_RMS_CTRL, 0x1C, 0x18, 0x00, 0x1B}};
+    {BL0940_REG_I_FAST_RMS_CTRL, 0x1C, 0x18, 0x00, 0x1B}};
 
 void BL0940::loop() {
   DataPacket buffer;
@@ -36,8 +34,8 @@ void BL0940::loop() {
     return;
   }
   if (read_array((uint8_t *) &buffer, sizeof(buffer))) {
-    if (validate_checksum(&buffer)) {
-      received_package_(&buffer);
+    if (this->validate_checksum_(&buffer)) {
+      this->received_package_(&buffer);
     }
   } else {
     ESP_LOGW(TAG, "Junk on wire. Throwing away partial message");
@@ -46,35 +44,151 @@ void BL0940::loop() {
   }
 }
 
-bool BL0940::validate_checksum(const DataPacket *data) {
-  uint8_t checksum = BL0940_READ_COMMAND;
+bool BL0940::validate_checksum_(DataPacket *data) {
+  uint8_t checksum = this->read_command_;
   // Whole package but checksum
-  for (uint32_t i = 0; i < sizeof(data->raw) - 1; i++) {
-    checksum += data->raw[i];
+  uint8_t *raw = (uint8_t *) data;
+  for (uint32_t i = 0; i < sizeof(*data) - 1; i++) {
+    checksum += raw[i];
   }
   checksum ^= 0xFF;
   if (checksum != data->checksum) {
-    ESP_LOGW(TAG, "BL0940 invalid checksum! 0x%02X != 0x%02X", checksum, data->checksum);
+    ESP_LOGW(TAG, "Invalid checksum! 0x%02X != 0x%02X", checksum, data->checksum);
   }
   return checksum == data->checksum;
 }
 
 void BL0940::update() {
   this->flush();
-  this->write_byte(BL0940_READ_COMMAND);
+  this->write_byte(this->read_command_);
   this->write_byte(BL0940_FULL_PACKET);
 }
 
 void BL0940::setup() {
+#ifdef USE_NUMBER
+  // add calibration callbacks
+  if (this->voltage_calibration_number_ != nullptr) {
+    this->voltage_calibration_number_->add_on_state_callback(
+        [this](float state) { this->voltage_calibration_callback_(state); });
+    if (this->voltage_calibration_number_->has_state()) {
+      this->voltage_calibration_callback_(this->voltage_calibration_number_->state);
+    }
+  }
+
+  if (this->current_calibration_number_ != nullptr) {
+    this->current_calibration_number_->add_on_state_callback(
+        [this](float state) { this->current_calibration_callback_(state); });
+    if (this->current_calibration_number_->has_state()) {
+      this->current_calibration_callback_(this->current_calibration_number_->state);
+    }
+  }
+
+  if (this->power_calibration_number_ != nullptr) {
+    this->power_calibration_number_->add_on_state_callback(
+        [this](float state) { this->power_calibration_callback_(state); });
+    if (this->power_calibration_number_->has_state()) {
+      this->power_calibration_callback_(this->power_calibration_number_->state);
+    }
+  }
+
+  if (this->energy_calibration_number_ != nullptr) {
+    this->energy_calibration_number_->add_on_state_callback(
+        [this](float state) { this->energy_calibration_callback_(state); });
+    if (this->energy_calibration_number_->has_state()) {
+      this->energy_calibration_callback_(this->energy_calibration_number_->state);
+    }
+  }
+#endif
+
+  // calculate calibrated reference values
+  this->voltage_reference_cal_ = this->voltage_reference_ / this->voltage_cal_;
+  this->current_reference_cal_ = this->current_reference_ / this->current_cal_;
+  this->power_reference_cal_ = this->power_reference_ / this->power_cal_;
+  this->energy_reference_cal_ = this->energy_reference_ / this->energy_cal_;
+
   for (auto *i : BL0940_INIT) {
-    this->write_array(i, 6);
+    this->write_byte(this->write_command_), this->write_array(i, 5);
     delay(1);
   }
   this->flush();
 }
 
-float BL0940::update_temp_(sensor::Sensor *sensor, ube16_t temperature) const {
-  auto tb = (float) (temperature.h << 8 | temperature.l);
+float BL0940::calculate_power_reference_() {
+  // calculate power reference based on voltage and current reference
+  return this->voltage_reference_cal_ * this->current_reference_cal_ * 4046 / 324004 / 79931;
+}
+
+float BL0940::calculate_energy_reference_() {
+  // formula: 3600000 * 4046 * RL * R1 * 1000 / (1638.4 * 256) / Vref² / (R1 + R2)
+  // or:  power_reference_ * 3600000 / (1638.4 * 256)
+  return this->power_reference_cal_ * 3600000 / (1638.4 * 256);
+}
+
+float BL0940::calculate_calibration_value_(float state) { return (100 + state) / 100; }
+
+void BL0940::reset_calibration() {
+#ifdef USE_NUMBER
+  if (this->current_calibration_number_ != nullptr && this->current_cal_ != 1) {
+    this->current_calibration_number_->make_call().set_value(0).perform();
+  }
+  if (this->voltage_calibration_number_ != nullptr && this->voltage_cal_ != 1) {
+    this->voltage_calibration_number_->make_call().set_value(0).perform();
+  }
+  if (this->power_calibration_number_ != nullptr && this->power_cal_ != 1) {
+    this->power_calibration_number_->make_call().set_value(0).perform();
+  }
+  if (this->energy_calibration_number_ != nullptr && this->energy_cal_ != 1) {
+    this->energy_calibration_number_->make_call().set_value(0).perform();
+  }
+#endif
+  ESP_LOGD(TAG, "external calibration values restored to initial state");
+}
+
+void BL0940::current_calibration_callback_(float state) {
+  this->current_cal_ = this->calculate_calibration_value_(state);
+  ESP_LOGV(TAG, "update current calibration state: %f", this->current_cal_);
+  this->recalibrate_();
+}
+void BL0940::voltage_calibration_callback_(float state) {
+  this->voltage_cal_ = this->calculate_calibration_value_(state);
+  ESP_LOGV(TAG, "update voltage calibration state: %f", this->voltage_cal_);
+  this->recalibrate_();
+}
+void BL0940::power_calibration_callback_(float state) {
+  this->power_cal_ = this->calculate_calibration_value_(state);
+  ESP_LOGV(TAG, "update power calibration state: %f", this->power_cal_);
+  this->recalibrate_();
+}
+void BL0940::energy_calibration_callback_(float state) {
+  this->energy_cal_ = this->calculate_calibration_value_(state);
+  ESP_LOGV(TAG, "update energy calibration state: %f", this->energy_cal_);
+  this->recalibrate_();
+}
+
+void BL0940::recalibrate_() {
+  ESP_LOGV(TAG, "Recalibrating reference values");
+  this->voltage_reference_cal_ = this->voltage_reference_ / this->voltage_cal_;
+  this->current_reference_cal_ = this->current_reference_ / this->current_cal_;
+
+  if (this->voltage_cal_ != 1 || this->current_cal_ != 1) {
+    this->power_reference_ = this->calculate_power_reference_();
+  }
+  this->power_reference_cal_ = this->power_reference_ / this->power_cal_;
+
+  if (this->voltage_cal_ != 1 || this->current_cal_ != 1 || this->power_cal_ != 1) {
+    this->energy_reference_ = this->calculate_energy_reference_();
+  }
+  this->energy_reference_cal_ = this->energy_reference_ / this->energy_cal_;
+
+  ESP_LOGD(TAG,
+           "Recalibrated reference values:\n"
+           "Voltage: %f\n, Current: %f\n, Power: %f\n, Energy: %f\n",
+           this->voltage_reference_cal_, this->current_reference_cal_, this->power_reference_cal_,
+           this->energy_reference_cal_);
+}
+
+float BL0940::update_temp_(sensor::Sensor *sensor, uint16_le_t temperature) const {
+  auto tb = (float) temperature;
   float converted_temp = ((float) 170 / 448) * (tb / 2 - 32) - 45;
   if (sensor != nullptr) {
     if (sensor->has_state() && std::abs(converted_temp - sensor->get_state()) > max_temperature_diff_) {
@@ -87,33 +201,40 @@ float BL0940::update_temp_(sensor::Sensor *sensor, ube16_t temperature) const {
   return converted_temp;
 }
 
-void BL0940::received_package_(const DataPacket *data) const {
+void BL0940::received_package_(DataPacket *data) {
   // Bad header
   if (data->frame_header != BL0940_PACKET_HEADER) {
     ESP_LOGI(TAG, "Invalid data. Header mismatch: %d", data->frame_header);
     return;
   }
 
-  float v_rms = (float) to_uint32_t(data->v_rms) / voltage_reference_;
-  float i_rms = (float) to_uint32_t(data->i_rms) / current_reference_;
-  float watt = (float) to_int32_t(data->watt) / power_reference_;
-  uint32_t cf_cnt = to_uint32_t(data->cf_cnt);
-  float total_energy_consumption = (float) cf_cnt / energy_reference_;
+  // cf_cnt is only 24 bits, so track overflows
+  uint32_t cf_cnt = (uint24_t) data->cf_cnt;
+  cf_cnt |= this->prev_cf_cnt_ & 0xff000000;
+  if (cf_cnt < this->prev_cf_cnt_) {
+    cf_cnt += 0x1000000;
+  }
+  this->prev_cf_cnt_ = cf_cnt;
 
-  float tps1 = update_temp_(internal_temperature_sensor_, data->tps1);
-  float tps2 = update_temp_(external_temperature_sensor_, data->tps2);
+  float v_rms = (uint24_t) data->v_rms / this->voltage_reference_cal_;
+  float i_rms = (uint24_t) data->i_rms / this->current_reference_cal_;
+  float watt = (int24_t) data->watt / this->power_reference_cal_;
+  float total_energy_consumption = cf_cnt / this->energy_reference_cal_;
 
-  if (voltage_sensor_ != nullptr) {
-    voltage_sensor_->publish_state(v_rms);
+  float tps1 = update_temp_(this->internal_temperature_sensor_, data->tps1);
+  float tps2 = update_temp_(this->external_temperature_sensor_, data->tps2);
+
+  if (this->voltage_sensor_ != nullptr) {
+    this->voltage_sensor_->publish_state(v_rms);
   }
-  if (current_sensor_ != nullptr) {
-    current_sensor_->publish_state(i_rms);
+  if (this->current_sensor_ != nullptr) {
+    this->current_sensor_->publish_state(i_rms);
   }
-  if (power_sensor_ != nullptr) {
-    power_sensor_->publish_state(watt);
+  if (this->power_sensor_ != nullptr) {
+    this->power_sensor_->publish_state(watt);
   }
-  if (energy_sensor_ != nullptr) {
-    energy_sensor_->publish_state(total_energy_consumption);
+  if (this->energy_sensor_ != nullptr) {
+    this->energy_sensor_->publish_state(total_energy_consumption);
   }
 
   ESP_LOGV(TAG, "BL0940: U %fV, I %fA, P %fW, Cnt %" PRId32 ", ∫P %fkWh, T1 %f°C, T2 %f°C", v_rms, i_rms, watt, cf_cnt,
@@ -121,7 +242,27 @@ void BL0940::received_package_(const DataPacket *data) const {
 }
 
 void BL0940::dump_config() {  // NOLINT(readability-function-cognitive-complexity)
-  ESP_LOGCONFIG(TAG, "BL0940:");
+  ESP_LOGCONFIG(TAG,
+                "BL0940:\n"
+                "  LEGACY MODE: %s\n"
+                "  READ  CMD: 0x%02X\n"
+                "  WRITE CMD: 0x%02X\n"
+                "  ------------------\n"
+                "  Current reference: %f\n"
+                "  Energy reference: %f\n"
+                "  Power reference: %f\n"
+                "  Voltage reference: %f\n",
+                TRUEFALSE(this->legacy_mode_enabled_), this->read_command_, this->write_command_,
+                this->current_reference_, this->energy_reference_, this->power_reference_, this->voltage_reference_);
+#ifdef USE_NUMBER
+  ESP_LOGCONFIG(TAG,
+                "BL0940:\n"
+                "  Current calibration: %f\n"
+                "  Energy calibration: %f\n"
+                "  Power calibration: %f\n"
+                "  Voltage calibration: %f\n",
+                this->current_cal_, this->energy_cal_, this->power_cal_, this->voltage_cal_);
+#endif
   LOG_SENSOR("", "Voltage", this->voltage_sensor_);
   LOG_SENSOR("", "Current", this->current_sensor_);
   LOG_SENSOR("", "Power", this->power_sensor_);
@@ -130,9 +271,5 @@ void BL0940::dump_config() {  // NOLINT(readability-function-cognitive-complexit
   LOG_SENSOR("", "External temperature", this->external_temperature_sensor_);
 }
 
-uint32_t BL0940::to_uint32_t(ube24_t input) { return input.h << 16 | input.m << 8 | input.l; }
-
-int32_t BL0940::to_int32_t(sbe24_t input) { return input.h << 16 | input.m << 8 | input.l; }
-
 }  // namespace bl0940
 }  // namespace esphome

esphome/components/bl0940/bl0940.h

@@ -1,66 +1,48 @@
 #pragma once
 
 #include "esphome/core/component.h"
-#include "esphome/components/uart/uart.h"
+#include "esphome/core/datatypes.h"
+#include "esphome/core/defines.h"
+#ifdef USE_BUTTON
+#include "esphome/components/button/button.h"
+#endif
+#ifdef USE_NUMBER
+#include "esphome/components/number/number.h"
+#endif
 #include "esphome/components/sensor/sensor.h"
+#include "esphome/components/uart/uart.h"
 
 namespace esphome {
 namespace bl0940 {
 
-static const float BL0940_PREF = 1430;
-static const float BL0940_UREF = 33000;
-static const float BL0940_IREF = 275000;  // 2750 from tasmota. Seems to generate values 100 times too high
-
-// Measured to 297J  per click according to power consumption of 5 minutes
-// Converted to kWh (3.6MJ per kwH). Used to be 256 * 1638.4
-static const float BL0940_EREF = 3.6e6 / 297;
-
-struct ube24_t {  // NOLINT(readability-identifier-naming,altera-struct-pack-align)
-  uint8_t l;
-  uint8_t m;
-  uint8_t h;
-} __attribute__((packed));
-
-struct ube16_t {  // NOLINT(readability-identifier-naming,altera-struct-pack-align)
-  uint8_t l;
-  uint8_t h;
-} __attribute__((packed));
-
-struct sbe24_t {  // NOLINT(readability-identifier-naming,altera-struct-pack-align)
-  uint8_t l;
-  uint8_t m;
-  int8_t h;
-} __attribute__((packed));
-
 // Caveat: All these values are big endian (low - middle - high)
-
-union DataPacket {  // NOLINT(altera-struct-pack-align)
-  uint8_t raw[35];
-  struct {
-    uint8_t frame_header;  // value of 0x58 according to docs. 0x55 according to Tasmota real world tests. Reality wins.
-    ube24_t i_fast_rms;    // 0x00
-    ube24_t i_rms;         // 0x04
-    ube24_t RESERVED0;     // reserved
-    ube24_t v_rms;         // 0x06
-    ube24_t RESERVED1;     // reserved
-    sbe24_t watt;          // 0x08
-    ube24_t RESERVED2;     // reserved
-    ube24_t cf_cnt;        // 0x0A
-    ube24_t RESERVED3;     // reserved
-    ube16_t tps1;          // 0x0c
-    uint8_t RESERVED4;     // value of 0x00
-    ube16_t tps2;          // 0x0c
-    uint8_t RESERVED5;     // value of 0x00
-    uint8_t checksum;      // checksum
-  };
+struct DataPacket {
+  uint8_t frame_header;    // Packet header (0x58 in EN docs, 0x55 in CN docs and Tasmota tests)
+  uint24_le_t i_fast_rms;  // Fast RMS current
+  uint24_le_t i_rms;       // RMS current
+  uint24_t RESERVED0;      // Reserved
+  uint24_le_t v_rms;       // RMS voltage
+  uint24_t RESERVED1;      // Reserved
+  int24_le_t watt;         // Active power (can be negative for bidirectional measurement)
+  uint24_t RESERVED2;      // Reserved
+  uint24_le_t cf_cnt;      // Energy pulse count
+  uint24_t RESERVED3;      // Reserved
+  uint16_le_t tps1;        // Internal temperature sensor 1
+  uint8_t RESERVED4;       // Reserved (should be 0x00)
+  uint16_le_t tps2;        // Internal temperature sensor 2
+  uint8_t RESERVED5;       // Reserved (should be 0x00)
+  uint8_t checksum;        // Packet checksum
 } __attribute__((packed));
 
 class BL0940 : public PollingComponent, public uart::UARTDevice {
  public:
+  // Sensor setters
   void set_voltage_sensor(sensor::Sensor *voltage_sensor) { voltage_sensor_ = voltage_sensor; }
   void set_current_sensor(sensor::Sensor *current_sensor) { current_sensor_ = current_sensor; }
   void set_power_sensor(sensor::Sensor *power_sensor) { power_sensor_ = power_sensor; }
   void set_energy_sensor(sensor::Sensor *energy_sensor) { energy_sensor_ = energy_sensor; }
+
+  // Temperature sensor setters
   void set_internal_temperature_sensor(sensor::Sensor *internal_temperature_sensor) {
     internal_temperature_sensor_ = internal_temperature_sensor;
   }
@@ -68,42 +50,105 @@ class BL0940 : public PollingComponent, public uart::UARTDevice {
     external_temperature_sensor_ = external_temperature_sensor;
   }
 
-  void loop() override;
+  // Configuration setters
+  void set_legacy_mode(bool enable) { this->legacy_mode_enabled_ = enable; }
+  void set_read_command(uint8_t read_command) { this->read_command_ = read_command; }
+  void set_write_command(uint8_t write_command) { this->write_command_ = write_command; }
 
+  // Reference value setters (used for calibration and conversion)
+  void set_current_reference(float current_ref) { this->current_reference_ = current_ref; }
+  void set_energy_reference(float energy_ref) { this->energy_reference_ = energy_ref; }
+  void set_power_reference(float power_ref) { this->power_reference_ = power_ref; }
+  void set_voltage_reference(float voltage_ref) { this->voltage_reference_ = voltage_ref; }
+
+#ifdef USE_NUMBER
+  // Calibration number setters (for Home Assistant number entities)
+  void set_current_calibration_number(number::Number *num) { this->current_calibration_number_ = num; }
+  void set_voltage_calibration_number(number::Number *num) { this->voltage_calibration_number_ = num; }
+  void set_power_calibration_number(number::Number *num) { this->power_calibration_number_ = num; }
+  void set_energy_calibration_number(number::Number *num) { this->energy_calibration_number_ = num; }
+#endif
+
+#ifdef USE_BUTTON
+  // Resets all calibration values to defaults (can be triggered by a button)
+  void reset_calibration();
+#endif
+
+  // Core component methods
+  void loop() override;
   void update() override;
   void setup() override;
   void dump_config() override;
 
  protected:
-  sensor::Sensor *voltage_sensor_{nullptr};
-  sensor::Sensor *current_sensor_{nullptr};
-  // NB This may be negative as the circuits is seemingly able to measure
-  // power in both directions
-  sensor::Sensor *power_sensor_{nullptr};
-  sensor::Sensor *energy_sensor_{nullptr};
-  sensor::Sensor *internal_temperature_sensor_{nullptr};
-  sensor::Sensor *external_temperature_sensor_{nullptr};
+  // --- Sensor pointers ---
+  sensor::Sensor *voltage_sensor_{nullptr};               // Voltage sensor
+  sensor::Sensor *current_sensor_{nullptr};               // Current sensor
+  sensor::Sensor *power_sensor_{nullptr};                 // Power sensor (can be negative for bidirectional)
+  sensor::Sensor *energy_sensor_{nullptr};                // Energy sensor
+  sensor::Sensor *internal_temperature_sensor_{nullptr};  // Internal temperature sensor
+  sensor::Sensor *external_temperature_sensor_{nullptr};  // External temperature sensor
 
-  // Max difference between two measurements of the temperature. Used to avoid noise.
-  float max_temperature_diff_{0};
-  // Divide by this to turn into Watt
-  float power_reference_ = BL0940_PREF;
-  // Divide by this to turn into Volt
-  float voltage_reference_ = BL0940_UREF;
-  // Divide by this to turn into Ampere
-  float current_reference_ = BL0940_IREF;
-  // Divide by this to turn into kWh
-  float energy_reference_ = BL0940_EREF;
+#ifdef USE_NUMBER
+  // --- Calibration number entities (for dynamic calibration via HA UI) ---
+  number::Number *voltage_calibration_number_{nullptr};
+  number::Number *current_calibration_number_{nullptr};
+  number::Number *power_calibration_number_{nullptr};
+  number::Number *energy_calibration_number_{nullptr};
+#endif
 
-  float update_temp_(sensor::Sensor *sensor, ube16_t packed_temperature) const;
+  // --- Internal state ---
+  uint32_t prev_cf_cnt_ = 0;       // Previous energy pulse count (for energy calculation)
+  float max_temperature_diff_{0};  // Max allowed temperature difference between two measurements (noise filter)
 
-  static uint32_t to_uint32_t(ube24_t input);
+  // --- Reference values for conversion ---
+  float power_reference_;        // Divider for raw power to get Watts
+  float power_reference_cal_;    // Calibrated power reference
+  float voltage_reference_;      // Divider for raw voltage to get Volts
+  float voltage_reference_cal_;  // Calibrated voltage reference
+  float current_reference_;      // Divider for raw current to get Amperes
+  float current_reference_cal_;  // Calibrated current reference
+  float energy_reference_;       // Divider for raw energy to get kWh
+  float energy_reference_cal_;   // Calibrated energy reference
 
-  static int32_t to_int32_t(sbe24_t input);
+  // --- Home Assistant calibration values (multipliers, default 1) ---
+  float current_cal_{1};
+  float voltage_cal_{1};
+  float power_cal_{1};
+  float energy_cal_{1};
 
-  static bool validate_checksum(const DataPacket *data);
+  // --- Protocol commands ---
+  uint8_t read_command_;
+  uint8_t write_command_;
 
-  void received_package_(const DataPacket *data) const;
+  // --- Mode flags ---
+  bool legacy_mode_enabled_ = true;
+
+  // --- Methods ---
+  // Converts packed temperature value to float and updates the sensor
+  float update_temp_(sensor::Sensor *sensor, uint16_le_t packed_temperature) const;
+
+  // Validates the checksum of a received data packet
+  bool validate_checksum_(DataPacket *data);
+
+  // Handles a received data packet
+  void received_package_(DataPacket *data);
+
+  // Calculates reference values for calibration and conversion
+  float calculate_energy_reference_();
+  float calculate_power_reference_();
+  float calculate_calibration_value_(float state);
+
+  // Calibration update callbacks (used with number entities)
+  void current_calibration_callback_(float state);
+  void voltage_calibration_callback_(float state);
+  void power_calibration_callback_(float state);
+  void energy_calibration_callback_(float state);
+  void reset_calibration_callback_();
+
+  // Recalculates all reference values after calibration changes
+  void recalibrate_();
 };
+
 }  // namespace bl0940
 }  // namespace esphome

esphome/components/bl0940/button/__init__.py

@@ -0,0 +1,27 @@
+import esphome.codegen as cg
+from esphome.components import button
+import esphome.config_validation as cv
+from esphome.const import ENTITY_CATEGORY_CONFIG, ICON_RESTART
+
+from .. import CONF_BL0940_ID, bl0940_ns
+from ..sensor import BL0940
+
+CalibrationResetButton = bl0940_ns.class_(
+    "CalibrationResetButton", button.Button, cg.Component
+)
+
+CONFIG_SCHEMA = cv.All(
+    button.button_schema(
+        CalibrationResetButton,
+        entity_category=ENTITY_CATEGORY_CONFIG,
+        icon=ICON_RESTART,
+    )
+    .extend({cv.GenerateID(CONF_BL0940_ID): cv.use_id(BL0940)})
+    .extend(cv.COMPONENT_SCHEMA)
+)
+
+
+async def to_code(config):
+    var = await button.new_button(config)
+    await cg.register_component(var, config)
+    await cg.register_parented(var, config[CONF_BL0940_ID])

esphome/components/bl0940/button/calibration_reset_button.cpp

@@ -0,0 +1,20 @@
+#include "calibration_reset_button.h"
+#include "../bl0940.h"
+#include "esphome/core/hal.h"
+#include "esphome/core/log.h"
+#include "esphome/core/application.h"
+
+namespace esphome {
+namespace bl0940 {
+
+static const char *const TAG = "bl0940.button.calibration_reset";
+
+void CalibrationResetButton::dump_config() { LOG_BUTTON("", "Calibration Reset Button", this); }
+
+void CalibrationResetButton::press_action() {
+  ESP_LOGI(TAG, "Resetting calibration defaults...");
+  this->parent_->reset_calibration();
+}
+
+}  // namespace bl0940
+}  // namespace esphome

esphome/components/bl0940/button/calibration_reset_button.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/button/button.h"
+
+namespace esphome {
+namespace bl0940 {
+
+class BL0940;  // Forward declaration of BL0940 class
+
+class CalibrationResetButton : public button::Button, public Component, public Parented<BL0940> {
+ public:
+  void dump_config() override;
+
+  void press_action() override;
+};
+
+}  // namespace bl0940
+}  // namespace esphome

esphome/components/bl0940/number/__init__.py

@@ -0,0 +1,94 @@
+import esphome.codegen as cg
+from esphome.components import number
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_MAX_VALUE,
+    CONF_MIN_VALUE,
+    CONF_MODE,
+    CONF_RESTORE_VALUE,
+    CONF_STEP,
+    ENTITY_CATEGORY_CONFIG,
+    UNIT_PERCENT,
+)
+
+from .. import CONF_BL0940_ID, bl0940_ns
+from ..sensor import BL0940
+
+# Define calibration types
+CONF_CURRENT_CALIBRATION = "current_calibration"
+CONF_VOLTAGE_CALIBRATION = "voltage_calibration"
+CONF_POWER_CALIBRATION = "power_calibration"
+CONF_ENERGY_CALIBRATION = "energy_calibration"
+
+BL0940Number = bl0940_ns.class_("BL0940Number")
+
+CalibrationNumber = bl0940_ns.class_(
+    "CalibrationNumber", number.Number, cg.PollingComponent
+)
+
+
+def validate_min_max(config):
+    if config[CONF_MAX_VALUE] <= config[CONF_MIN_VALUE]:
+        raise cv.Invalid("max_value must be greater than min_value")
+    return config
+
+
+CALIBRATION_SCHEMA = cv.All(
+    number.number_schema(
+        CalibrationNumber,
+        entity_category=ENTITY_CATEGORY_CONFIG,
+        unit_of_measurement=UNIT_PERCENT,
+    )
+    .extend(
+        {
+            cv.Optional(CONF_MODE, default="BOX"): cv.enum(number.NUMBER_MODES),
+            cv.Optional(CONF_MAX_VALUE, default=10): cv.All(
+                cv.float_, cv.Range(max=50)
+            ),
+            cv.Optional(CONF_MIN_VALUE, default=-10): cv.All(
+                cv.float_, cv.Range(min=-50)
+            ),
+            cv.Optional(CONF_STEP, default=0.1): cv.positive_float,
+            cv.Optional(CONF_RESTORE_VALUE): cv.boolean,
+        }
+    )
+    .extend(cv.COMPONENT_SCHEMA),
+    validate_min_max,
+)
+
+# Configuration schema for BL0940 numbers
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(BL0940Number),
+        cv.GenerateID(CONF_BL0940_ID): cv.use_id(BL0940),
+        cv.Optional(CONF_CURRENT_CALIBRATION): CALIBRATION_SCHEMA,
+        cv.Optional(CONF_VOLTAGE_CALIBRATION): CALIBRATION_SCHEMA,
+        cv.Optional(CONF_POWER_CALIBRATION): CALIBRATION_SCHEMA,
+        cv.Optional(CONF_ENERGY_CALIBRATION): CALIBRATION_SCHEMA,
+    }
+)
+
+
+async def to_code(config):
+    # Get the BL0940 component instance
+    bl0940 = await cg.get_variable(config[CONF_BL0940_ID])
+
+    # Process all calibration types
+    for cal_type, setter_method in [
+        (CONF_CURRENT_CALIBRATION, "set_current_calibration_number"),
+        (CONF_VOLTAGE_CALIBRATION, "set_voltage_calibration_number"),
+        (CONF_POWER_CALIBRATION, "set_power_calibration_number"),
+        (CONF_ENERGY_CALIBRATION, "set_energy_calibration_number"),
+    ]:
+        if conf := config.get(cal_type):
+            var = await number.new_number(
+                conf,
+                min_value=conf.get(CONF_MIN_VALUE),
+                max_value=conf.get(CONF_MAX_VALUE),
+                step=conf.get(CONF_STEP),
+            )
+            await cg.register_component(var, conf)
+
+            if restore_value := config.get(CONF_RESTORE_VALUE):
+                cg.add(var.set_restore_value(restore_value))
+            cg.add(getattr(bl0940, setter_method)(var))

esphome/components/bl0940/number/calibration_number.cpp

@@ -0,0 +1,29 @@
+#include "calibration_number.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace bl0940 {
+
+static const char *const TAG = "bl0940.number";
+
+void CalibrationNumber::setup() {
+  float value = 0.0f;
+  if (this->restore_value_) {
+    this->pref_ = global_preferences->make_preference<float>(this->get_object_id_hash());
+    if (!this->pref_.load(&value)) {
+      value = 0.0f;
+    }
+  }
+  this->publish_state(value);
+}
+
+void CalibrationNumber::control(float value) {
+  this->publish_state(value);
+  if (this->restore_value_)
+    this->pref_.save(&value);
+}
+
+void CalibrationNumber::dump_config() { LOG_NUMBER("", "Calibration Number", this); }
+
+}  // namespace bl0940
+}  // namespace esphome

esphome/components/bl0940/number/calibration_number.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include "esphome/components/number/number.h"
+#include "esphome/core/component.h"
+#include "esphome/core/preferences.h"
+
+namespace esphome {
+namespace bl0940 {
+
+class CalibrationNumber : public number::Number, public Component {
+ public:
+  void setup() override;
+  void dump_config() override;
+  float get_setup_priority() const override { return setup_priority::HARDWARE; }
+
+  void set_restore_value(bool restore_value) { this->restore_value_ = restore_value; }
+
+ protected:
+  void control(float value) override;
+  bool restore_value_{true};
+
+  ESPPreferenceObject pref_;
+};
+
+}  // namespace bl0940
+}  // namespace esphome

esphome/components/bl0940/sensor.py

@@ -8,6 +8,7 @@ from esphome.const import (
     CONF_ID,
     CONF_INTERNAL_TEMPERATURE,
     CONF_POWER,
+    CONF_REFERENCE_VOLTAGE,
     CONF_VOLTAGE,
     DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
@@ -23,12 +24,133 @@ from esphome.const import (
     UNIT_WATT,
 )
 
+from . import bl0940_ns
+
 DEPENDENCIES = ["uart"]
 
-
-bl0940_ns = cg.esphome_ns.namespace("bl0940")
 BL0940 = bl0940_ns.class_("BL0940", cg.PollingComponent, uart.UARTDevice)
 
+CONF_LEGACY_MODE = "legacy_mode"
+
+CONF_READ_COMMAND = "read_command"
+CONF_WRITE_COMMAND = "write_command"
+
+CONF_RESISTOR_SHUNT = "resistor_shunt"
+CONF_RESISTOR_ONE = "resistor_one"
+CONF_RESISTOR_TWO = "resistor_two"
+
+CONF_CURRENT_REFERENCE = "current_reference"
+CONF_ENERGY_REFERENCE = "energy_reference"
+CONF_POWER_REFERENCE = "power_reference"
+CONF_VOLTAGE_REFERENCE = "voltage_reference"
+
+DEFAULT_BL0940_READ_COMMAND = 0x58
+DEFAULT_BL0940_WRITE_COMMAND = 0xA1
+
+# Values according to BL0940 application note:
+# https://www.belling.com.cn/media/file_object/bel_product/BL0940/guide/BL0940_APPNote_TSSOP14_V1.04_EN.pdf
+DEFAULT_BL0940_VREF = 1.218  # Vref = 1.218
+DEFAULT_BL0940_RL = 1  # RL = 1 mΩ
+DEFAULT_BL0940_R1 = 0.51  # R1 = 0.51 kΩ
+DEFAULT_BL0940_R2 = 1950  # R2 = 5 x 390 kΩ -> 1950 kΩ
+
+# ----------------------------------------------------
+# values from initial implementation
+DEFAULT_BL0940_LEGACY_READ_COMMAND = 0x50
+DEFAULT_BL0940_LEGACY_WRITE_COMMAND = 0xA0
+
+DEFAULT_BL0940_LEGACY_UREF = 33000
+DEFAULT_BL0940_LEGACY_IREF = 275000
+DEFAULT_BL0940_LEGACY_PREF = 1430
+# Measured to 297J  per click according to power consumption of 5 minutes
+# Converted to kWh (3.6MJ per kwH). Used to be 256 * 1638.4
+DEFAULT_BL0940_LEGACY_EREF = 3.6e6 / 297
+# ----------------------------------------------------
+
+
+# methods to calculate voltage and current reference values
+def calculate_voltage_reference(vref, r_one, r_two):
+    # formula: 79931 / Vref * (R1 * 1000) / (R1 + R2)
+    return 79931 / vref * (r_one * 1000) / (r_one + r_two)
+
+
+def calculate_current_reference(vref, r_shunt):
+    # formula: 324004 * RL / Vref
+    return 324004 * r_shunt / vref
+
+
+def calculate_power_reference(voltage_reference, current_reference):
+    # calculate power reference based on voltage and current reference
+    return voltage_reference * current_reference * 4046 / 324004 / 79931
+
+
+def calculate_energy_reference(power_reference):
+    # formula: power_reference * 3600000 / (1638.4 * 256)
+    return power_reference * 3600000 / (1638.4 * 256)
+
+
+def validate_legacy_mode(config):
+    # Only allow schematic calibration options if legacy_mode is False
+    if config.get(CONF_LEGACY_MODE, True):
+        forbidden = [
+            CONF_REFERENCE_VOLTAGE,
+            CONF_RESISTOR_SHUNT,
+            CONF_RESISTOR_ONE,
+            CONF_RESISTOR_TWO,
+        ]
+        for key in forbidden:
+            if key in config:
+                raise cv.Invalid(
+                    f"Option '{key}' is only allowed when legacy_mode: false"
+                )
+    return config
+
+
+def set_command_defaults(config):
+    # Set defaults for read_command and write_command based on legacy_mode
+    legacy = config.get(CONF_LEGACY_MODE, True)
+    if legacy:
+        config.setdefault(CONF_READ_COMMAND, DEFAULT_BL0940_LEGACY_READ_COMMAND)
+        config.setdefault(CONF_WRITE_COMMAND, DEFAULT_BL0940_LEGACY_WRITE_COMMAND)
+    else:
+        config.setdefault(CONF_READ_COMMAND, DEFAULT_BL0940_READ_COMMAND)
+        config.setdefault(CONF_WRITE_COMMAND, DEFAULT_BL0940_WRITE_COMMAND)
+    return config
+
+
+def set_reference_values(config):
+    # Set default reference values based on legacy_mode
+    if config.get(CONF_LEGACY_MODE, True):
+        config.setdefault(CONF_VOLTAGE_REFERENCE, DEFAULT_BL0940_LEGACY_UREF)
+        config.setdefault(CONF_CURRENT_REFERENCE, DEFAULT_BL0940_LEGACY_IREF)
+        config.setdefault(CONF_POWER_REFERENCE, DEFAULT_BL0940_LEGACY_PREF)
+        config.setdefault(CONF_ENERGY_REFERENCE, DEFAULT_BL0940_LEGACY_PREF)
+    else:
+        vref = config.get(CONF_VOLTAGE_REFERENCE, DEFAULT_BL0940_VREF)
+        r_one = config.get(CONF_RESISTOR_ONE, DEFAULT_BL0940_R1)
+        r_two = config.get(CONF_RESISTOR_TWO, DEFAULT_BL0940_R2)
+        r_shunt = config.get(CONF_RESISTOR_SHUNT, DEFAULT_BL0940_RL)
+
+        config.setdefault(
+            CONF_VOLTAGE_REFERENCE, calculate_voltage_reference(vref, r_one, r_two)
+        )
+        config.setdefault(
+            CONF_CURRENT_REFERENCE, calculate_current_reference(vref, r_shunt)
+        )
+        config.setdefault(
+            CONF_POWER_REFERENCE,
+            calculate_power_reference(
+                config.get(CONF_VOLTAGE_REFERENCE), config.get(CONF_CURRENT_REFERENCE)
+            ),
+        )
+        config.setdefault(
+            CONF_ENERGY_REFERENCE,
+            calculate_energy_reference(config.get(CONF_POWER_REFERENCE)),
+        )
+
+    return config
+
+
 CONFIG_SCHEMA = (
     cv.Schema(
         {
@@ -69,10 +191,24 @@ CONFIG_SCHEMA = (
                 device_class=DEVICE_CLASS_TEMPERATURE,
                 state_class=STATE_CLASS_MEASUREMENT,
             ),
+            cv.Optional(CONF_LEGACY_MODE, default=True): cv.boolean,
+            cv.Optional(CONF_READ_COMMAND): cv.hex_uint8_t,
+            cv.Optional(CONF_WRITE_COMMAND): cv.hex_uint8_t,
+            cv.Optional(CONF_REFERENCE_VOLTAGE): cv.float_,
+            cv.Optional(CONF_RESISTOR_SHUNT): cv.float_,
+            cv.Optional(CONF_RESISTOR_ONE): cv.float_,
+            cv.Optional(CONF_RESISTOR_TWO): cv.float_,
+            cv.Optional(CONF_CURRENT_REFERENCE): cv.float_,
+            cv.Optional(CONF_ENERGY_REFERENCE): cv.float_,
+            cv.Optional(CONF_POWER_REFERENCE): cv.float_,
+            cv.Optional(CONF_VOLTAGE_REFERENCE): cv.float_,
         }
     )
     .extend(cv.polling_component_schema("60s"))
     .extend(uart.UART_DEVICE_SCHEMA)
+    .add_extra(validate_legacy_mode)
+    .add_extra(set_command_defaults)
+    .add_extra(set_reference_values)
 )
 
 
@@ -99,3 +235,16 @@ async def to_code(config):
     if external_temperature_config := config.get(CONF_EXTERNAL_TEMPERATURE):
         sens = await sensor.new_sensor(external_temperature_config)
         cg.add(var.set_external_temperature_sensor(sens))
+
+    # enable legacy mode
+    cg.add(var.set_legacy_mode(config.get(CONF_LEGACY_MODE)))
+
+    # Set bl0940 commands after validator has determined which defaults to use if not set
+    cg.add(var.set_read_command(config.get(CONF_READ_COMMAND)))
+    cg.add(var.set_write_command(config.get(CONF_WRITE_COMMAND)))
+
+    # Set reference values after validator has set the values either from defaults or calculated
+    cg.add(var.set_current_reference(config.get(CONF_CURRENT_REFERENCE)))
+    cg.add(var.set_voltage_reference(config.get(CONF_VOLTAGE_REFERENCE)))
+    cg.add(var.set_power_reference(config.get(CONF_POWER_REFERENCE)))
+    cg.add(var.set_energy_reference(config.get(CONF_ENERGY_REFERENCE)))

esphome/components/bl0942/bl0942.cpp

@@ -51,7 +51,7 @@ void BL0942::loop() {
   if (!avail) {
     return;
   }
-  if (avail < sizeof(buffer)) {
+  if (static_cast<size_t>(avail) < sizeof(buffer)) {
     if (!this->rx_start_) {
       this->rx_start_ = millis();
     } else if (millis() > this->rx_start_ + PKT_TIMEOUT_MS) {
@@ -148,7 +148,7 @@ void BL0942::setup() {
 
   this->write_reg_(BL0942_REG_USR_WRPROT, 0);
 
-  if (this->read_reg_(BL0942_REG_MODE) != mode)
+  if (static_cast<uint32_t>(this->read_reg_(BL0942_REG_MODE)) != mode)
     this->status_set_warning(LOG_STR("BL0942 setup failed!"));
 
   this->flush();

esphome/components/ble_client/__init__.py

@@ -116,7 +116,7 @@ CONFIG_SCHEMA = cv.All(
     )
     .extend(cv.COMPONENT_SCHEMA)
     .extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA),
-    esp32_ble_tracker.consume_connection_slots(1, "ble_client"),
+    esp32_ble.consume_connection_slots(1, "ble_client"),
 )
 
 CONF_BLE_CLIENT_ID = "ble_client_id"

esphome/components/bluetooth_proxy/__init__.py

@@ -6,8 +6,6 @@ from esphome.components.esp32 import add_idf_sdkconfig_option
 from esphome.components.esp32_ble import BTLoggers
 import esphome.config_validation as cv
 from esphome.const import CONF_ACTIVE, CONF_ID
-from esphome.core import CORE
-from esphome.log import AnsiFore, color
 
 AUTO_LOAD = ["esp32_ble_client", "esp32_ble_tracker"]
 DEPENDENCIES = ["api", "esp32"]
@@ -44,29 +42,7 @@ def validate_connections(config):
             )
     elif config[CONF_ACTIVE]:
         connection_slots: int = config[CONF_CONNECTION_SLOTS]
-        esp32_ble_tracker.consume_connection_slots(connection_slots, "bluetooth_proxy")(
-            config
-        )
-
-        # Warn about connection slot waste when using Arduino framework
-        if CORE.using_arduino and connection_slots:
-            _LOGGER.warning(
-                "Bluetooth Proxy with active connections on Arduino framework has suboptimal performance.\n"
-                "If BLE connections fail, they can waste connection slots for 10 seconds because\n"
-                "Arduino doesn't allow configuring the BLE connection timeout (fixed at 30s).\n"
-                "ESP-IDF framework allows setting it to 20s to match client timeouts.\n"
-                "\n"
-                "To switch to ESP-IDF, add this to your YAML:\n"
-                "  esp32:\n"
-                "    framework:\n"
-                "      type: esp-idf\n"
-                "\n"
-                "For detailed migration instructions, see:\n"
-                "%s",
-                color(
-                    AnsiFore.BLUE, "https://esphome.io/guides/esp32_arduino_to_idf.html"
-                ),
-            )
+        esp32_ble.consume_connection_slots(connection_slots, "bluetooth_proxy")(config)
 
         return {
             **config,
@@ -81,19 +57,17 @@ CONFIG_SCHEMA = cv.All(
             {
                 cv.GenerateID(): cv.declare_id(BluetoothProxy),
                 cv.Optional(CONF_ACTIVE, default=True): cv.boolean,
-                cv.SplitDefault(CONF_CACHE_SERVICES, esp32_idf=True): cv.All(
-                    cv.only_with_esp_idf, cv.boolean
-                ),
+                cv.Optional(CONF_CACHE_SERVICES, default=True): cv.boolean,
                 cv.Optional(
                     CONF_CONNECTION_SLOTS,
                     default=DEFAULT_CONNECTION_SLOTS,
                 ): cv.All(
                     cv.positive_int,
-                    cv.Range(min=1, max=esp32_ble_tracker.max_connections()),
+                    cv.Range(min=1, max=esp32_ble.IDF_MAX_CONNECTIONS),
                 ),
                 cv.Optional(CONF_CONNECTIONS): cv.All(
                     cv.ensure_list(CONNECTION_SCHEMA),
-                    cv.Length(min=1, max=esp32_ble_tracker.max_connections()),
+                    cv.Length(min=1, max=esp32_ble.IDF_MAX_CONNECTIONS),
                 ),
             }
         )

esphome/components/bluetooth_proxy/bluetooth_connection.cpp

@@ -514,7 +514,8 @@ esp_err_t BluetoothConnection::read_characteristic(uint16_t handle) {
   return this->check_and_log_error_("esp_ble_gattc_read_char", err);
 }
 
-esp_err_t BluetoothConnection::write_characteristic(uint16_t handle, const std::string &data, bool response) {
+esp_err_t BluetoothConnection::write_characteristic(uint16_t handle, const uint8_t *data, size_t length,
+                                                    bool response) {
   if (!this->connected()) {
     this->log_gatt_not_connected_("write", "characteristic");
     return ESP_GATT_NOT_CONNECTED;
@@ -522,8 +523,11 @@ esp_err_t BluetoothConnection::write_characteristic(uint16_t handle, const std::
   ESP_LOGV(TAG, "[%d] [%s] Writing GATT characteristic handle %d", this->connection_index_, this->address_str_.c_str(),
            handle);
 
+  // ESP-IDF's API requires a non-const uint8_t* but it doesn't modify the data
+  // The BTC layer immediately copies the data to its own buffer (see btc_gattc.c)
+  // const_cast is safe here and was previously hidden by a C-style cast
   esp_err_t err =
-      esp_ble_gattc_write_char(this->gattc_if_, this->conn_id_, handle, data.size(), (uint8_t *) data.data(),
+      esp_ble_gattc_write_char(this->gattc_if_, this->conn_id_, handle, length, const_cast<uint8_t *>(data),
                                response ? ESP_GATT_WRITE_TYPE_RSP : ESP_GATT_WRITE_TYPE_NO_RSP, ESP_GATT_AUTH_REQ_NONE);
   return this->check_and_log_error_("esp_ble_gattc_write_char", err);
 }
@@ -540,7 +544,7 @@ esp_err_t BluetoothConnection::read_descriptor(uint16_t handle) {
   return this->check_and_log_error_("esp_ble_gattc_read_char_descr", err);
 }
 
-esp_err_t BluetoothConnection::write_descriptor(uint16_t handle, const std::string &data, bool response) {
+esp_err_t BluetoothConnection::write_descriptor(uint16_t handle, const uint8_t *data, size_t length, bool response) {
   if (!this->connected()) {
     this->log_gatt_not_connected_("write", "descriptor");
     return ESP_GATT_NOT_CONNECTED;
@@ -548,8 +552,11 @@ esp_err_t BluetoothConnection::write_descriptor(uint16_t handle, const std::stri
   ESP_LOGV(TAG, "[%d] [%s] Writing GATT descriptor handle %d", this->connection_index_, this->address_str_.c_str(),
            handle);
 
+  // ESP-IDF's API requires a non-const uint8_t* but it doesn't modify the data
+  // The BTC layer immediately copies the data to its own buffer (see btc_gattc.c)
+  // const_cast is safe here and was previously hidden by a C-style cast
   esp_err_t err = esp_ble_gattc_write_char_descr(
-      this->gattc_if_, this->conn_id_, handle, data.size(), (uint8_t *) data.data(),
+      this->gattc_if_, this->conn_id_, handle, length, const_cast<uint8_t *>(data),
       response ? ESP_GATT_WRITE_TYPE_RSP : ESP_GATT_WRITE_TYPE_NO_RSP, ESP_GATT_AUTH_REQ_NONE);
   return this->check_and_log_error_("esp_ble_gattc_write_char_descr", err);
 }

esphome/components/bluetooth_proxy/bluetooth_connection.h

@@ -18,9 +18,9 @@ class BluetoothConnection final : public esp32_ble_client::BLEClientBase {
   esp32_ble_tracker::AdvertisementParserType get_advertisement_parser_type() override;
 
   esp_err_t read_characteristic(uint16_t handle);
-  esp_err_t write_characteristic(uint16_t handle, const std::string &data, bool response);
+  esp_err_t write_characteristic(uint16_t handle, const uint8_t *data, size_t length, bool response);
   esp_err_t read_descriptor(uint16_t handle);
-  esp_err_t write_descriptor(uint16_t handle, const std::string &data, bool response);
+  esp_err_t write_descriptor(uint16_t handle, const uint8_t *data, size_t length, bool response);
 
   esp_err_t notify_characteristic(uint16_t handle, bool enable);
 

esphome/components/bluetooth_proxy/bluetooth_proxy.cpp

@@ -305,7 +305,7 @@ void BluetoothProxy::bluetooth_gatt_write(const api::BluetoothGATTWriteRequest &
     return;
   }
 
-  auto err = connection->write_characteristic(msg.handle, msg.data, msg.response);
+  auto err = connection->write_characteristic(msg.handle, msg.data, msg.data_len, msg.response);
   if (err != ESP_OK) {
     this->send_gatt_error(msg.address, msg.handle, err);
   }
@@ -331,7 +331,7 @@ void BluetoothProxy::bluetooth_gatt_write_descriptor(const api::BluetoothGATTWri
     return;
   }
 
-  auto err = connection->write_descriptor(msg.handle, msg.data, true);
+  auto err = connection->write_descriptor(msg.handle, msg.data, msg.data_len, true);
   if (err != ESP_OK) {
     this->send_gatt_error(msg.address, msg.handle, err);
   }

esphome/components/bluetooth_proxy/bluetooth_proxy.h

@@ -130,7 +130,9 @@ class BluetoothProxy final : public esp32_ble_tracker::ESPBTDeviceListener, publ
 
   std::string get_bluetooth_mac_address_pretty() {
     const uint8_t *mac = esp_bt_dev_get_address();
-    return str_snprintf("%02X:%02X:%02X:%02X:%02X:%02X", 17, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+    char buf[18];
+    format_mac_addr_upper(mac, buf);
+    return std::string(buf);
   }
 
  protected:

esphome/components/camera_encoder/__init__.py

@@ -2,7 +2,6 @@ import esphome.codegen as cg
 from esphome.components.esp32 import add_idf_component
 import esphome.config_validation as cv
 from esphome.const import CONF_BUFFER_SIZE, CONF_ID, CONF_TYPE
-from esphome.core import CORE
 from esphome.types import ConfigType
 
 CODEOWNERS = ["@DT-art1"]
@@ -51,9 +50,8 @@ async def to_code(config: ConfigType) -> None:
     buffer = cg.new_Pvariable(config[CONF_ENCODER_BUFFER_ID])
     cg.add(buffer.set_buffer_size(config[CONF_BUFFER_SIZE]))
     if config[CONF_TYPE] == ESP32_CAMERA_ENCODER:
-        if CORE.using_esp_idf:
-            add_idf_component(name="espressif/esp32-camera", ref="2.1.0")
-        cg.add_build_flag("-DUSE_ESP32_CAMERA_JPEG_ENCODER")
+        add_idf_component(name="espressif/esp32-camera", ref="2.1.1")
+        cg.add_define("USE_ESP32_CAMERA_JPEG_ENCODER")
         var = cg.new_Pvariable(
             config[CONF_ID],
             config[CONF_QUALITY],

esphome/components/camera_encoder/esp32_camera_jpeg_encoder.cpp

@@ -1,3 +1,5 @@
+#include "esphome/core/defines.h"
+
 #ifdef USE_ESP32_CAMERA_JPEG_ENCODER
 
 #include "esp32_camera_jpeg_encoder.h"
@@ -15,7 +17,7 @@ camera::EncoderError ESP32CameraJPEGEncoder::encode_pixels(camera::CameraImageSp
   this->bytes_written_ = 0;
   this->out_of_output_memory_ = false;
   bool success = fmt2jpg_cb(pixels->get_data_buffer(), pixels->get_data_length(), spec->width, spec->height,
-                            to_internal_(spec->format), this->quality_, callback_, this);
+                            to_internal_(spec->format), this->quality_, callback, this);
 
   if (!success)
     return camera::ENCODER_ERROR_CONFIGURATION;
@@ -49,7 +51,7 @@ void ESP32CameraJPEGEncoder::dump_config() {
                 this->output_->get_max_size(), this->quality_, this->buffer_expand_size_);
 }
 
-size_t ESP32CameraJPEGEncoder::callback_(void *arg, size_t index, const void *data, size_t len) {
+size_t ESP32CameraJPEGEncoder::callback(void *arg, size_t index, const void *data, size_t len) {
   ESP32CameraJPEGEncoder *that = reinterpret_cast<ESP32CameraJPEGEncoder *>(arg);
   uint8_t *buffer = that->output_->get_data();
   size_t buffer_length = that->output_->get_max_size();

esphome/components/camera_encoder/esp32_camera_jpeg_encoder.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include "esphome/core/defines.h"
+
 #ifdef USE_ESP32_CAMERA_JPEG_ENCODER
 
 #include <esp_camera.h>
@@ -24,7 +26,7 @@ class ESP32CameraJPEGEncoder : public camera::Encoder {
   void dump_config() override;
   // -------------------------
  protected:
-  static size_t callback_(void *arg, size_t index, const void *data, size_t len);
+  static size_t callback(void *arg, size_t index, const void *data, size_t len);
   pixformat_t to_internal_(camera::PixelFormat format);
 
   camera::EncoderBuffer *output_{};

esphome/components/canbus/canbus.cpp

@@ -21,8 +21,8 @@ void Canbus::dump_config() {
   }
 }
 
-void Canbus::send_data(uint32_t can_id, bool use_extended_id, bool remote_transmission_request,
-                       const std::vector<uint8_t> &data) {
+canbus::Error Canbus::send_data(uint32_t can_id, bool use_extended_id, bool remote_transmission_request,
+                                const std::vector<uint8_t> &data) {
   struct CanFrame can_message;
 
   uint8_t size = static_cast<uint8_t>(data.size());
@@ -45,13 +45,15 @@ void Canbus::send_data(uint32_t can_id, bool use_extended_id, bool remote_transm
     ESP_LOGVV(TAG, "  data[%d]=%02x", i, can_message.data[i]);
   }
 
-  if (this->send_message(&can_message) != canbus::ERROR_OK) {
+  canbus::Error error = this->send_message(&can_message);
+  if (error != canbus::ERROR_OK) {
     if (use_extended_id) {
-      ESP_LOGW(TAG, "send to extended id=0x%08" PRIx32 " failed!", can_id);
+      ESP_LOGW(TAG, "send to extended id=0x%08" PRIx32 " failed with error %d!", can_id, error);
     } else {
-      ESP_LOGW(TAG, "send to standard id=0x%03" PRIx32 " failed!", can_id);
+      ESP_LOGW(TAG, "send to standard id=0x%03" PRIx32 " failed with error %d!", can_id, error);
     }
   }
+  return error;
 }
 
 void Canbus::add_trigger(CanbusTrigger *trigger) {

esphome/components/canbus/canbus.h

@@ -70,11 +70,11 @@ class Canbus : public Component {
   float get_setup_priority() const override { return setup_priority::HARDWARE; }
   void loop() override;
 
-  void send_data(uint32_t can_id, bool use_extended_id, bool remote_transmission_request,
-                 const std::vector<uint8_t> &data);
-  void send_data(uint32_t can_id, bool use_extended_id, const std::vector<uint8_t> &data) {
+  canbus::Error send_data(uint32_t can_id, bool use_extended_id, bool remote_transmission_request,
+                          const std::vector<uint8_t> &data);
+  canbus::Error send_data(uint32_t can_id, bool use_extended_id, const std::vector<uint8_t> &data) {
     // for backwards compatibility only
-    this->send_data(can_id, use_extended_id, false, data);
+    return this->send_data(can_id, use_extended_id, false, data);
   }
   void set_can_id(uint32_t can_id) { this->can_id_ = can_id; }
   void set_use_extended_id(bool use_extended_id) { this->use_extended_id_ = use_extended_id; }
@@ -105,9 +105,9 @@ class Canbus : public Component {
   CallbackManager<void(uint32_t can_id, bool extended_id, bool rtr, const std::vector<uint8_t> &data)>
       callback_manager_{};
 
-  virtual bool setup_internal();
-  virtual Error send_message(struct CanFrame *frame);
-  virtual Error read_message(struct CanFrame *frame);
+  virtual bool setup_internal() = 0;
+  virtual Error send_message(struct CanFrame *frame) = 0;
+  virtual Error read_message(struct CanFrame *frame) = 0;
 };
 
 template<typename... Ts> class CanbusSendAction : public Action<Ts...>, public Parented<Canbus> {

esphome/components/captive_portal/__init__.py

@@ -1,6 +1,7 @@
 import esphome.codegen as cg
 from esphome.components import web_server_base
 from esphome.components.web_server_base import CONF_WEB_SERVER_BASE_ID
+from esphome.config_helpers import filter_source_files_from_platform
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_ID,
@@ -9,10 +10,19 @@ from esphome.const import (
     PLATFORM_ESP8266,
     PLATFORM_LN882X,
     PLATFORM_RTL87XX,
+    PlatformFramework,
 )
-from esphome.core import CORE, CoroPriority, coroutine_with_priority
+from esphome.core import CORE, coroutine_with_priority
+from esphome.coroutine import CoroPriority
+
+
+def AUTO_LOAD() -> list[str]:
+    auto_load = ["web_server_base", "ota.web_server"]
+    if CORE.using_esp_idf:
+        auto_load.append("socket")
+    return auto_load
+
 
-AUTO_LOAD = ["web_server_base", "ota.web_server"]
 DEPENDENCIES = ["wifi"]
 CODEOWNERS = ["@esphome/core"]
 
@@ -40,7 +50,7 @@ CONFIG_SCHEMA = cv.All(
 )
 
 
-@coroutine_with_priority(CoroPriority.COMMUNICATION)
+@coroutine_with_priority(CoroPriority.CAPTIVE_PORTAL)
 async def to_code(config):
     paren = await cg.get_variable(config[CONF_WEB_SERVER_BASE_ID])
 
@@ -57,3 +67,11 @@ async def to_code(config):
             cg.add_library("DNSServer", None)
         if CORE.is_libretiny:
             cg.add_library("DNSServer", None)
+
+
+# Only compile the ESP-IDF DNS server when using ESP-IDF framework
+FILTER_SOURCE_FILES = filter_source_files_from_platform(
+    {
+        "dns_server_esp32_idf.cpp": {PlatformFramework.ESP32_IDF},
+    }
+)

esphome/components/captive_portal/captive_index.h

@@ -7,103 +7,83 @@ namespace esphome {
 namespace captive_portal {
 
 const uint8_t INDEX_GZ[] PROGMEM = {
-    0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xdd, 0x58, 0x6d, 0x6f, 0xdb, 0x38, 0x12, 0xfe, 0xde,
-    0x5f, 0x31, 0xa7, 0x36, 0x6b, 0x6b, 0x1b, 0x51, 0x22, 0xe5, 0xb7, 0xd8, 0x92, 0x16, 0x69, 0xae, 0x8b, 0x5d, 0xa0,
-    0xdd, 0x2d, 0x90, 0x6c, 0xef, 0x43, 0x51, 0x20, 0xb4, 0x34, 0xb2, 0xd8, 0x48, 0xa4, 0x4e, 0xa4, 0x5f, 0x52, 0xc3,
-    0xf7, 0xdb, 0x0f, 0x94, 0x6c, 0xc7, 0xe9, 0x35, 0x87, 0xeb, 0xe2, 0x0e, 0x87, 0xdd, 0x18, 0x21, 0x86, 0xe4, 0xcc,
-    0x70, 0xe6, 0xf1, 0x0c, 0x67, 0xcc, 0xe8, 0x2f, 0x99, 0x4a, 0xcd, 0x7d, 0x8d, 0x50, 0x98, 0xaa, 0x4c, 0x22, 0x3b,
-    0x42, 0xc9, 0xe5, 0x22, 0x46, 0x99, 0x44, 0x05, 0xf2, 0x2c, 0x89, 0x2a, 0x34, 0x1c, 0xd2, 0x82, 0x37, 0x1a, 0x4d,
-    0xfc, 0xdb, 0xcd, 0x8f, 0xde, 0x04, 0xfc, 0x24, 0x2a, 0x85, 0xbc, 0x83, 0x06, 0xcb, 0x58, 0xa4, 0x4a, 0x42, 0xd1,
-    0x60, 0x1e, 0x67, 0xdc, 0xf0, 0xa9, 0xa8, 0xf8, 0x02, 0x2d, 0x43, 0x2b, 0x26, 0x79, 0x85, 0xf1, 0x4a, 0xe0, 0xba,
-    0x56, 0x8d, 0x81, 0x54, 0x49, 0x83, 0xd2, 0xc4, 0xce, 0x5a, 0x64, 0xa6, 0x88, 0x33, 0x5c, 0x89, 0x14, 0xbd, 0x76,
-    0x72, 0x2e, 0xa4, 0x30, 0x82, 0x97, 0x9e, 0x4e, 0x79, 0x89, 0x31, 0x3d, 0x5f, 0x6a, 0x6c, 0xda, 0x09, 0x9f, 0x97,
-    0x18, 0x4b, 0xe5, 0xf8, 0x49, 0xa4, 0xd3, 0x46, 0xd4, 0x06, 0xac, 0xbd, 0x71, 0xa5, 0xb2, 0x65, 0x89, 0x89, 0xef,
-    0x73, 0xad, 0xd1, 0x68, 0x5f, 0xc8, 0x0c, 0x37, 0x64, 0x14, 0x86, 0x29, 0xe3, 0xe3, 0x9c, 0x7c, 0xd2, 0xcf, 0x32,
-    0x95, 0x2e, 0x2b, 0x94, 0x86, 0x94, 0x2a, 0xe5, 0x46, 0x28, 0x49, 0x34, 0xf2, 0x26, 0x2d, 0xe2, 0x38, 0x76, 0x7e,
-    0xd0, 0x7c, 0x85, 0xce, 0x77, 0xdf, 0xf5, 0x8f, 0x4c, 0x0b, 0x34, 0xaf, 0x4b, 0xb4, 0xa4, 0x7e, 0x75, 0x7f, 0xc3,
-    0x17, 0xbf, 0xf0, 0x0a, 0xfb, 0x0e, 0xd7, 0x22, 0x43, 0xc7, 0xfd, 0x10, 0x7c, 0x24, 0xda, 0xdc, 0x97, 0x48, 0x32,
-    0xa1, 0xeb, 0x92, 0xdf, 0xc7, 0xce, 0xbc, 0x54, 0xe9, 0x9d, 0xe3, 0xce, 0xf2, 0xa5, 0x4c, 0xad, 0x72, 0xd0, 0x7d,
-    0x74, 0xb7, 0x25, 0x1a, 0x30, 0xf1, 0x5b, 0x6e, 0x0a, 0x52, 0xf1, 0x4d, 0xbf, 0x23, 0x84, 0xec, 0xb3, 0xef, 0xfb,
-    0xf8, 0x92, 0x06, 0x81, 0x7b, 0xde, 0x0e, 0x81, 0xeb, 0xd3, 0x20, 0x98, 0x35, 0x68, 0x96, 0x8d, 0x04, 0xde, 0xbf,
-    0x8d, 0x6a, 0x6e, 0x0a, 0xc8, 0x62, 0xa7, 0xa2, 0x8c, 0x04, 0xc1, 0x04, 0xe8, 0x05, 0x61, 0x43, 0x8f, 0x52, 0x12,
-    0x7a, 0x74, 0x98, 0x8e, 0xbd, 0x21, 0xd0, 0x81, 0x37, 0x04, 0xc6, 0xc8, 0x10, 0x82, 0xcf, 0x0e, 0xe4, 0xa2, 0x2c,
-    0x63, 0x47, 0x2a, 0x89, 0x0e, 0x68, 0xd3, 0xa8, 0x3b, 0x8c, 0x9d, 0x74, 0xd9, 0x34, 0x28, 0xcd, 0x95, 0x2a, 0x55,
-    0xe3, 0xf8, 0xc9, 0x33, 0x78, 0xf4, 0xf7, 0xcd, 0x47, 0x98, 0x86, 0x4b, 0x9d, 0xab, 0xa6, 0x8a, 0x9d, 0xf6, 0x4b,
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+    0xce, 0x5a, 0x93, 0x7c, 0x58, 0xd0, 0x39, 0x9a, 0x4f, 0x98, 0x79, 0xe0, 0xe0, 0xf3, 0x09, 0xcd, 0x37, 0x69, 0x93,
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+    0xa4, 0x77, 0x12, 0x75, 0x82, 0x30, 0x50, 0xbc, 0xa7, 0x14, 0xeb, 0x1f, 0xce, 0xf5, 0x6f, 0xb9, 0x15, 0x40, 0x6c,
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+    0xff, 0x5d, 0x57, 0xf2, 0x95, 0xae, 0x7f, 0xf2, 0x9f, 0x39, 0xfa, 0x1d, 0xec, 0x56, 0xe9, 0xf5, 0xa4, 0xcd, 0xb9,
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+    0x94, 0x64, 0x82, 0xb3, 0x35, 0xc1, 0x7f, 0x31, 0x01, 0x7e, 0xda, 0xff, 0x5a, 0x79, 0x57, 0xc6, 0xf0, 0xea, 0xca,
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+    0xb6, 0x67, 0x3e, 0x84, 0x5e, 0x1c, 0x8c, 0x27, 0x43, 0x6d, 0x0c, 0xf7, 0x8f, 0x67, 0x64, 0x61, 0x3a, 0x2a, 0x9f,
+    0x0a, 0x3a, 0x07, 0x5d, 0xab, 0xc8, 0xd0, 0x41, 0xae, 0x5f, 0x3a, 0x2a, 0xcf, 0x06, 0x23, 0x7a, 0x02, 0x5f, 0x1c,
+    0xb8, 0x27, 0xdd, 0x14, 0x5c, 0x9f, 0x35, 0x16, 0x51, 0xc5, 0x37, 0xe5, 0xc3, 0xd1, 0x7f, 0x8c, 0xe3, 0x5f, 0x3d,
+    0xe8, 0xfd, 0x1d, 0x08, 0x60, 0x56, 0x69, 0x0f, 0x3f, 0x97, 0x60, 0xb1, 0x3f, 0x06, 0xfc, 0xcb, 0xfd, 0xbb, 0xdf,
+    0x88, 0xf2, 0xb4, 0x7f, 0xfd, 0x2d, 0x6e, 0xb7, 0x0a, 0x3e, 0x6a, 0x10, 0xff, 0x26, 0x57, 0x6e, 0x19, 0x5c, 0x7d,
+    0xc2, 0x7e, 0x38, 0xc4, 0xfb, 0xf0, 0xb8, 0x11, 0x5c, 0x3b, 0xbf, 0xdc, 0xb5, 0xe2, 0xda, 0x45, 0x18, 0x2c, 0xe6,
+    0xfe, 0xf1, 0xe1, 0xe8, 0x1f, 0xfd, 0xbc, 0x88, 0xc6, 0xb9, 0x5e, 0x16, 0xc3, 0x88, 0x2d, 0x7f, 0x38, 0x2c, 0xd5,
+    0x2e, 0x30, 0xfc, 0x0b, 0x97, 0xab, 0x8c, 0xcb, 0x06, 0x34, 0xb7, 0xc7, 0x8a, 0x6f, 0xae, 0xb9, 0xec, 0x7a, 0x7b,
+    0xe8, 0x68, 0x55, 0x39, 0xca, 0xbc, 0xdb, 0xe5, 0xb5, 0x92, 0xd6, 0x71, 0x42, 0x96, 0x40, 0x7b, 0x1c, 0xe9, 0xc3,
+    0x44, 0xc9, 0x5e, 0xcf, 0xbf, 0x3b, 0xba, 0x82, 0x3b, 0x58, 0xd8, 0xd9, 0x80, 0x0a, 0xbe, 0x92, 0x19, 0x03, 0x69,
+    0x41, 0x8f, 0x42, 0x35, 0x6d, 0xb9, 0xd8, 0x67, 0x86, 0x4a, 0x13, 0x18, 0xd0, 0xbc, 0x3e, 0x2e, 0x7b, 0x6b, 0x95,
+    0x3c, 0x2c, 0x95, 0xae, 0x40, 0x67, 0x71, 0x3e, 0x02, 0x81, 0xa6, 0x15, 0xef, 0x4d, 0x16, 0xce, 0x34, 0xb4, 0xf9,
+    0x92, 0xb2, 0xf5, 0x4a, 0xab, 0x5e, 0x56, 0x01, 0x73, 0x93, 0x36, 0x7b, 0x9e, 0xd4, 0x74, 0x06, 0x2c, 0x9f, 0x4e,
+    0x75, 0x5d, 0xe7, 0x82, 0x4b, 0x08, 0xc6, 0x59, 0x96, 0xa5, 0xe1, 0x8d, 0x13, 0xbb, 0x70, 0x33, 0x4c, 0x1d, 0x62,
+    0xf4, 0x31, 0x89, 0xe3, 0xef, 0xf2, 0x53, 0x38, 0x71, 0xce, 0x7a, 0x6d, 0x94, 0xce, 0x3a, 0xc5, 0x9d, 0x9b, 0xc7,
+    0x96, 0x72, 0x79, 0xe9, 0xbd, 0x2b, 0x93, 0x7c, 0x5a, 0x3f, 0x19, 0x97, 0x83, 0x99, 0x61, 0x09, 0xe5, 0x2d, 0x97,
+    0xe3, 0x0e, 0xcd, 0xd2, 0x45, 0xdc, 0xed, 0x8e, 0xe1, 0x54, 0x20, 0x87, 0x13, 0x77, 0x2d, 0x60, 0x97, 0x7f, 0xee,
+    0x8d, 0xe5, 0xf5, 0x3e, 0x98, 0x76, 0x70, 0x66, 0x3a, 0xca, 0x20, 0x58, 0x82, 0xdd, 0x02, 0xc8, 0x7c, 0xb0, 0x11,
+    0x70, 0x0b, 0xad, 0x99, 0xf2, 0x74, 0x56, 0x33, 0x14, 0xe8, 0xd7, 0xba, 0xfe, 0x1b, 0xb7, 0xab, 0xc5, 0x43, 0x4b,
+    0xf5, 0x8a, 0xcb, 0x60, 0xa9, 0xac, 0x55, 0x6d, 0x16, 0xbc, 0xea, 0x76, 0xf9, 0x84, 0x72, 0xca, 0xb2, 0xc4, 0xb9,
+    0x39, 0xec, 0xd6, 0x53, 0xbe, 0x93, 0x6e, 0x87, 0x8c, 0x12, 0xbc, 0x9a, 0xf8, 0x06, 0x16, 0x14, 0x9f, 0xd3, 0x93,
+    0xcc, 0xbb, 0x1d, 0x72, 0xb8, 0x53, 0xaa, 0x6f, 0xea, 0x5b, 0x9a, 0xc4, 0x7f, 0xf1, 0x45, 0xaa, 0xba, 0x4e, 0x97,
+    0xf5, 0x39, 0x53, 0x6e, 0x4d, 0xba, 0xd6, 0x18, 0x4a, 0xab, 0x88, 0xc6, 0xdb, 0x8c, 0xab, 0x8c, 0xb2, 0x70, 0x19,
+    0x2e, 0x8b, 0x26, 0x41, 0xbc, 0x22, 0x2d, 0x65, 0xe5, 0xc5, 0xf8, 0x2a, 0xa2, 0x26, 0x39, 0x91, 0x9a, 0xa4, 0xfc,
+    0x6a, 0x18, 0x8d, 0xb4, 0xc1, 0xfb, 0xf2, 0xad, 0x92, 0x12, 0x98, 0xe5, 0x72, 0x85, 0xac, 0x42, 0x53, 0x0a, 0xc2,
+    0x30, 0x2c, 0x96, 0xba, 0x7c, 0x2f, 0x80, 0x1a, 0x40, 0x5b, 0xca, 0x6d, 0x58, 0x44, 0x23, 0xff, 0xd8, 0xc7, 0xbc,
+    0x22, 0x12, 0x6c, 0x39, 0x35, 0x6c, 0xd1, 0xcc, 0x46, 0x03, 0x77, 0x60, 0x9d, 0x26, 0x67, 0x60, 0x56, 0x16, 0x6e,
+    0xe5, 0x22, 0x3a, 0x8c, 0x34, 0x12, 0x6d, 0x79, 0xcd, 0xdd, 0x95, 0xa5, 0x2c, 0x86, 0x22, 0x77, 0x1a, 0x5c, 0x9e,
+    0xc7, 0xeb, 0xd5, 0x00, 0x09, 0x90, 0x2b, 0xdb, 0x90, 0x59, 0x8a, 0x3a, 0x41, 0x19, 0x34, 0x4a, 0x54, 0xa0, 0xc9,
+    0xdd, 0xdd, 0xaf, 0x7f, 0x2f, 0x9d, 0x33, 0x8f, 0x72, 0x9d, 0x59, 0x8f, 0x62, 0x0e, 0x98, 0xa4, 0x16, 0x37, 0xe3,
+    0xa5, 0xaa, 0xa3, 0xc6, 0x6c, 0x95, 0xae, 0xbe, 0xd2, 0xf1, 0x7e, 0x42, 0x8e, 0x7a, 0x86, 0xff, 0xd0, 0x2a, 0xe5,
+    0x1d, 0xdd, 0x40, 0x11, 0x4d, 0x87, 0x22, 0x72, 0x0e, 0x8f, 0xf4, 0x66, 0xe2, 0x6b, 0x92, 0xf2, 0x8f, 0xfb, 0x37,
+    0xe8, 0xcf, 0xae, 0xa2, 0x16, 0xc6, 0xb4, 0x0d, 0x51, 0xb5, 0x60, 0x1b, 0x55, 0x91, 0xf7, 0x7f, 0xdc, 0xdd, 0x9f,
+    0x23, 0xec, 0x07, 0x26, 0x04, 0x92, 0x8d, 0xd7, 0xbb, 0x5e, 0x58, 0xde, 0x51, 0x6d, 0x07, 0xb5, 0x81, 0x9b, 0x22,
+    0xa7, 0x18, 0x06, 0x7a, 0xcd, 0x05, 0x8c, 0x61, 0x8c, 0x82, 0x25, 0x3a, 0x79, 0x75, 0xb2, 0xf6, 0xc4, 0xaf, 0x68,
+    0xfc, 0xda, 0xd1, 0xf8, 0xe9, 0xa3, 0xe1, 0xa6, 0xfb, 0x1f, 0x53, 0x58, 0x46, 0xb2, 0xf9, 0x0a, 0x00, 0x00};
 
 }  // namespace captive_portal
 }  // namespace esphome

esphome/components/captive_portal/captive_portal.cpp

@@ -11,14 +11,14 @@ namespace captive_portal {
 static const char *const TAG = "captive_portal";
 
 void CaptivePortal::handle_config(AsyncWebServerRequest *request) {
-  AsyncResponseStream *stream = request->beginResponseStream(F("application/json"));
-  stream->addHeader(F("cache-control"), F("public, max-age=0, must-revalidate"));
+  AsyncResponseStream *stream = request->beginResponseStream(ESPHOME_F("application/json"));
+  stream->addHeader(ESPHOME_F("cache-control"), ESPHOME_F("public, max-age=0, must-revalidate"));
 #ifdef USE_ESP8266
-  stream->print(F("{\"mac\":\""));
+  stream->print(ESPHOME_F("{\"mac\":\""));
   stream->print(get_mac_address_pretty().c_str());
-  stream->print(F("\",\"name\":\""));
+  stream->print(ESPHOME_F("\",\"name\":\""));
   stream->print(App.get_name().c_str());
-  stream->print(F("\",\"aps\":[{}"));
+  stream->print(ESPHOME_F("\",\"aps\":[{}"));
 #else
   stream->printf(R"({"mac":"%s","name":"%s","aps":[{})", get_mac_address_pretty().c_str(), App.get_name().c_str());
 #endif
@@ -29,37 +29,35 @@ void CaptivePortal::handle_config(AsyncWebServerRequest *request) {
 
       // Assumes no " in ssid, possible unicode isses?
 #ifdef USE_ESP8266
-    stream->print(F(",{\"ssid\":\""));
+    stream->print(ESPHOME_F(",{\"ssid\":\""));
     stream->print(scan.get_ssid().c_str());
-    stream->print(F("\",\"rssi\":"));
+    stream->print(ESPHOME_F("\",\"rssi\":"));
     stream->print(scan.get_rssi());
-    stream->print(F(",\"lock\":"));
+    stream->print(ESPHOME_F(",\"lock\":"));
     stream->print(scan.get_with_auth());
-    stream->print(F("}"));
+    stream->print(ESPHOME_F("}"));
 #else
     stream->printf(R"(,{"ssid":"%s","rssi":%d,"lock":%d})", scan.get_ssid().c_str(), scan.get_rssi(),
                    scan.get_with_auth());
 #endif
   }
-  stream->print(F("]}"));
+  stream->print(ESPHOME_F("]}"));
   request->send(stream);
 }
 void CaptivePortal::handle_wifisave(AsyncWebServerRequest *request) {
-  std::string ssid = request->arg("ssid").c_str();
-  std::string psk = request->arg("psk").c_str();
+  std::string ssid = request->arg("ssid").c_str();  // NOLINT(readability-redundant-string-cstr)
+  std::string psk = request->arg("psk").c_str();    // NOLINT(readability-redundant-string-cstr)
   ESP_LOGI(TAG, "Requested WiFi Settings Change:");
   ESP_LOGI(TAG, "  SSID='%s'", ssid.c_str());
   ESP_LOGI(TAG, "  Password=" LOG_SECRET("'%s'"), psk.c_str());
   wifi::global_wifi_component->save_wifi_sta(ssid, psk);
   wifi::global_wifi_component->start_scanning();
-  request->redirect(F("/?save"));
+  request->redirect(ESPHOME_F("/?save"));
 }
 
 void CaptivePortal::setup() {
-#ifndef USE_ARDUINO
-  // No DNS server needed for non-Arduino frameworks
+  // Disable loop by default - will be enabled when captive portal starts
   this->disable_loop();
-#endif
 }
 void CaptivePortal::start() {
   this->base_->init();
@@ -67,51 +65,47 @@ void CaptivePortal::start() {
     this->base_->add_handler(this);
   }
 
+  network::IPAddress ip = wifi::global_wifi_component->wifi_soft_ap_ip();
+
+#ifdef USE_ESP_IDF
+  // Create DNS server instance for ESP-IDF
+  this->dns_server_ = make_unique<DNSServer>();
+  this->dns_server_->start(ip);
+#endif
 #ifdef USE_ARDUINO
   this->dns_server_ = make_unique<DNSServer>();
   this->dns_server_->setErrorReplyCode(DNSReplyCode::NoError);
-  network::IPAddress ip = wifi::global_wifi_component->wifi_soft_ap_ip();
-  this->dns_server_->start(53, F("*"), ip);
-  // Re-enable loop() when DNS server is started
-  this->enable_loop();
+  this->dns_server_->start(53, ESPHOME_F("*"), ip);
 #endif
 
-  this->base_->get_server()->onNotFound([this](AsyncWebServerRequest *req) {
-    if (!this->active_ || req->host().c_str() == wifi::global_wifi_component->wifi_soft_ap_ip().str()) {
-      req->send(404, F("text/html"), F("File not found"));
-      return;
-    }
-
-#ifdef USE_ESP8266
-    String url = F("http://");
-    url += wifi::global_wifi_component->wifi_soft_ap_ip().str().c_str();
-#else
-    auto url = "http://" + wifi::global_wifi_component->wifi_soft_ap_ip().str();
-#endif
-    req->redirect(url.c_str());
-  });
-
   this->initialized_ = true;
   this->active_ = true;
+
+  // Enable loop() now that captive portal is active
+  this->enable_loop();
+
+  ESP_LOGV(TAG, "Captive portal started");
 }
 
 void CaptivePortal::handleRequest(AsyncWebServerRequest *req) {
-  if (req->url() == F("/")) {
-#ifndef USE_ESP8266
-    auto *response = req->beginResponse(200, F("text/html"), INDEX_GZ, sizeof(INDEX_GZ));
-#else
-    auto *response = req->beginResponse_P(200, F("text/html"), INDEX_GZ, sizeof(INDEX_GZ));
-#endif
-    response->addHeader(F("Content-Encoding"), F("gzip"));
-    req->send(response);
-    return;
-  } else if (req->url() == F("/config.json")) {
+  if (req->url() == ESPHOME_F("/config.json")) {
     this->handle_config(req);
     return;
-  } else if (req->url() == F("/wifisave")) {
+  } else if (req->url() == ESPHOME_F("/wifisave")) {
     this->handle_wifisave(req);
     return;
   }
+
+  // All other requests get the captive portal page
+  // This includes OS captive portal detection endpoints which will trigger
+  // the captive portal when they don't receive their expected responses
+#ifndef USE_ESP8266
+  auto *response = req->beginResponse(200, ESPHOME_F("text/html"), INDEX_GZ, sizeof(INDEX_GZ));
+#else
+  auto *response = req->beginResponse_P(200, ESPHOME_F("text/html"), INDEX_GZ, sizeof(INDEX_GZ));
+#endif
+  response->addHeader(ESPHOME_F("Content-Encoding"), ESPHOME_F("gzip"));
+  req->send(response);
 }
 
 CaptivePortal::CaptivePortal(web_server_base::WebServerBase *base) : base_(base) { global_captive_portal = this; }

esphome/components/captive_portal/captive_portal.h

@@ -5,6 +5,9 @@
 #ifdef USE_ARDUINO
 #include <DNSServer.h>
 #endif
+#ifdef USE_ESP_IDF
+#include "dns_server_esp32_idf.h"
+#endif
 #include "esphome/core/component.h"
 #include "esphome/core/helpers.h"
 #include "esphome/core/preferences.h"
@@ -19,41 +22,36 @@ class CaptivePortal : public AsyncWebHandler, public Component {
   CaptivePortal(web_server_base::WebServerBase *base);
   void setup() override;
   void dump_config() override;
-#ifdef USE_ARDUINO
   void loop() override {
+#ifdef USE_ARDUINO
     if (this->dns_server_ != nullptr) {
       this->dns_server_->processNextRequest();
-    } else {
-      this->disable_loop();
     }
-  }
 #endif
+#ifdef USE_ESP_IDF
+    if (this->dns_server_ != nullptr) {
+      this->dns_server_->process_next_request();
+    }
+#endif
+  }
   float get_setup_priority() const override;
   void start();
   bool is_active() const { return this->active_; }
   void end() {
     this->active_ = false;
+    this->disable_loop();  // Stop processing DNS requests
     this->base_->deinit();
-#ifdef USE_ARDUINO
-    this->dns_server_->stop();
-    this->dns_server_ = nullptr;
-#endif
+    if (this->dns_server_ != nullptr) {
+      this->dns_server_->stop();
+      this->dns_server_ = nullptr;
+    }
   }
 
   bool canHandle(AsyncWebServerRequest *request) const override {
-    if (!this->active_)
-      return false;
-
-    if (request->method() == HTTP_GET) {
-      if (request->url() == F("/"))
-        return true;
-      if (request->url() == F("/config.json"))
-        return true;
-      if (request->url() == F("/wifisave"))
-        return true;
-    }
-
-    return false;
+    // Handle all GET requests when captive portal is active
+    // This allows us to respond with the portal page for any URL,
+    // triggering OS captive portal detection
+    return this->active_ && request->method() == HTTP_GET;
   }
 
   void handle_config(AsyncWebServerRequest *request);
@@ -66,7 +64,7 @@ class CaptivePortal : public AsyncWebHandler, public Component {
   web_server_base::WebServerBase *base_;
   bool initialized_{false};
   bool active_{false};
-#ifdef USE_ARDUINO
+#if defined(USE_ARDUINO) || defined(USE_ESP_IDF)
   std::unique_ptr<DNSServer> dns_server_{nullptr};
 #endif
 };

esphome/components/captive_portal/dns_server_esp32_idf.cpp

@@ -0,0 +1,205 @@
+#include "dns_server_esp32_idf.h"
+#ifdef USE_ESP_IDF
+
+#include "esphome/core/log.h"
+#include "esphome/core/hal.h"
+#include "esphome/components/socket/socket.h"
+#include <lwip/sockets.h>
+#include <lwip/inet.h>
+
+namespace esphome::captive_portal {
+
+static const char *const TAG = "captive_portal.dns";
+
+// DNS constants
+static constexpr uint16_t DNS_PORT = 53;
+static constexpr uint16_t DNS_QR_FLAG = 1 << 15;
+static constexpr uint16_t DNS_OPCODE_MASK = 0x7800;
+static constexpr uint16_t DNS_QTYPE_A = 0x0001;
+static constexpr uint16_t DNS_QCLASS_IN = 0x0001;
+static constexpr uint16_t DNS_ANSWER_TTL = 300;
+
+// DNS Header structure
+struct DNSHeader {
+  uint16_t id;
+  uint16_t flags;
+  uint16_t qd_count;
+  uint16_t an_count;
+  uint16_t ns_count;
+  uint16_t ar_count;
+} __attribute__((packed));
+
+// DNS Question structure
+struct DNSQuestion {
+  uint16_t type;
+  uint16_t dns_class;
+} __attribute__((packed));
+
+// DNS Answer structure
+struct DNSAnswer {
+  uint16_t ptr_offset;
+  uint16_t type;
+  uint16_t dns_class;
+  uint32_t ttl;
+  uint16_t addr_len;
+  uint32_t ip_addr;
+} __attribute__((packed));
+
+void DNSServer::start(const network::IPAddress &ip) {
+  this->server_ip_ = ip;
+  ESP_LOGV(TAG, "Starting DNS server on %s", ip.str().c_str());
+
+  // Create loop-monitored UDP socket
+  this->socket_ = socket::socket_ip_loop_monitored(SOCK_DGRAM, IPPROTO_UDP);
+  if (this->socket_ == nullptr) {
+    ESP_LOGE(TAG, "Socket create failed");
+    return;
+  }
+
+  // Set socket options
+  int enable = 1;
+  this->socket_->setsockopt(SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable));
+
+  // Bind to port 53
+  struct sockaddr_storage server_addr = {};
+  socklen_t addr_len = socket::set_sockaddr_any((struct sockaddr *) &server_addr, sizeof(server_addr), DNS_PORT);
+
+  int err = this->socket_->bind((struct sockaddr *) &server_addr, addr_len);
+  if (err != 0) {
+    ESP_LOGE(TAG, "Bind failed: %d", errno);
+    this->socket_ = nullptr;
+    return;
+  }
+  ESP_LOGV(TAG, "Bound to port %d", DNS_PORT);
+}
+
+void DNSServer::stop() {
+  if (this->socket_ != nullptr) {
+    this->socket_->close();
+    this->socket_ = nullptr;
+  }
+  ESP_LOGV(TAG, "Stopped");
+}
+
+void DNSServer::process_next_request() {
+  // Process one request if socket is valid and data is available
+  if (this->socket_ == nullptr || !this->socket_->ready()) {
+    return;
+  }
+  struct sockaddr_in client_addr;
+  socklen_t client_addr_len = sizeof(client_addr);
+
+  // Receive DNS request using raw fd for recvfrom
+  int fd = this->socket_->get_fd();
+  if (fd < 0) {
+    return;
+  }
+
+  ssize_t len = recvfrom(fd, this->buffer_, sizeof(this->buffer_), MSG_DONTWAIT, (struct sockaddr *) &client_addr,
+                         &client_addr_len);
+
+  if (len < 0) {
+    if (errno != EAGAIN && errno != EWOULDBLOCK && errno != EINTR) {
+      ESP_LOGE(TAG, "recvfrom failed: %d", errno);
+    }
+    return;
+  }
+
+  ESP_LOGVV(TAG, "Received %d bytes from %s:%d", len, inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
+
+  if (len < static_cast<ssize_t>(sizeof(DNSHeader) + 1)) {
+    ESP_LOGV(TAG, "Request too short: %d", len);
+    return;
+  }
+
+  // Parse DNS header
+  DNSHeader *header = (DNSHeader *) this->buffer_;
+  uint16_t flags = ntohs(header->flags);
+  uint16_t qd_count = ntohs(header->qd_count);
+
+  // Check if it's a standard query
+  if ((flags & DNS_QR_FLAG) || (flags & DNS_OPCODE_MASK) || qd_count != 1) {
+    ESP_LOGV(TAG, "Not a standard query: flags=0x%04X, qd_count=%d", flags, qd_count);
+    return;  // Not a standard query
+  }
+
+  // Parse domain name (we don't actually care about it - redirect everything)
+  uint8_t *ptr = this->buffer_ + sizeof(DNSHeader);
+  uint8_t *end = this->buffer_ + len;
+
+  while (ptr < end && *ptr != 0) {
+    uint8_t label_len = *ptr;
+    if (label_len > 63) {  // Check for invalid label length
+      return;
+    }
+    // Check if we have room for this label plus the length byte
+    if (ptr + label_len + 1 > end) {
+      return;  // Would overflow
+    }
+    ptr += label_len + 1;
+  }
+
+  // Check if we reached a proper null terminator
+  if (ptr >= end || *ptr != 0) {
+    return;  // Name not terminated or truncated
+  }
+  ptr++;  // Skip the null terminator
+
+  // Check we have room for the question
+  if (ptr + sizeof(DNSQuestion) > end) {
+    return;  // Request truncated
+  }
+
+  // Parse DNS question
+  DNSQuestion *question = (DNSQuestion *) ptr;
+  uint16_t qtype = ntohs(question->type);
+  uint16_t qclass = ntohs(question->dns_class);
+
+  // We only handle A queries
+  if (qtype != DNS_QTYPE_A || qclass != DNS_QCLASS_IN) {
+    ESP_LOGV(TAG, "Not an A query: type=0x%04X, class=0x%04X", qtype, qclass);
+    return;  // Not an A query
+  }
+
+  // Build DNS response by modifying the request in-place
+  header->flags = htons(DNS_QR_FLAG | 0x8000);  // Response + Authoritative
+  header->an_count = htons(1);                  // One answer
+
+  // Add answer section after the question
+  size_t question_len = (ptr + sizeof(DNSQuestion)) - this->buffer_ - sizeof(DNSHeader);
+  size_t answer_offset = sizeof(DNSHeader) + question_len;
+
+  // Check if we have room for the answer
+  if (answer_offset + sizeof(DNSAnswer) > sizeof(this->buffer_)) {
+    ESP_LOGW(TAG, "Response too large");
+    return;
+  }
+
+  DNSAnswer *answer = (DNSAnswer *) (this->buffer_ + answer_offset);
+
+  // Pointer to name in question (offset from start of packet)
+  answer->ptr_offset = htons(0xC000 | sizeof(DNSHeader));
+  answer->type = htons(DNS_QTYPE_A);
+  answer->dns_class = htons(DNS_QCLASS_IN);
+  answer->ttl = htonl(DNS_ANSWER_TTL);
+  answer->addr_len = htons(4);
+
+  // Get the raw IP address
+  ip4_addr_t addr = this->server_ip_;
+  answer->ip_addr = addr.addr;
+
+  size_t response_len = answer_offset + sizeof(DNSAnswer);
+
+  // Send response
+  ssize_t sent =
+      this->socket_->sendto(this->buffer_, response_len, 0, (struct sockaddr *) &client_addr, client_addr_len);
+  if (sent < 0) {
+    ESP_LOGV(TAG, "Send failed: %d", errno);
+  } else {
+    ESP_LOGV(TAG, "Sent %d bytes", sent);
+  }
+}
+
+}  // namespace esphome::captive_portal
+
+#endif  // USE_ESP_IDF

esphome/components/captive_portal/dns_server_esp32_idf.h

@@ -0,0 +1,27 @@
+#pragma once
+#ifdef USE_ESP_IDF
+
+#include <memory>
+#include "esphome/core/helpers.h"
+#include "esphome/components/network/ip_address.h"
+#include "esphome/components/socket/socket.h"
+
+namespace esphome::captive_portal {
+
+class DNSServer {
+ public:
+  void start(const network::IPAddress &ip);
+  void stop();
+  void process_next_request();
+
+ protected:
+  static constexpr size_t DNS_BUFFER_SIZE = 192;
+
+  std::unique_ptr<socket::Socket> socket_{nullptr};
+  network::IPAddress server_ip_;
+  uint8_t buffer_[DNS_BUFFER_SIZE];
+};
+
+}  // namespace esphome::captive_portal
+
+#endif  // USE_ESP_IDF

esphome/components/ccs811/ccs811.cpp

@@ -152,10 +152,10 @@ void CCS811Component::send_env_data_() {
 void CCS811Component::dump_config() {
   ESP_LOGCONFIG(TAG, "CCS811");
   LOG_I2C_DEVICE(this)
-  LOG_UPDATE_INTERVAL(this)
+  LOG_UPDATE_INTERVAL(this);
   LOG_SENSOR("  ", "CO2 Sensor", this->co2_);
   LOG_SENSOR("  ", "TVOC Sensor", this->tvoc_);
-  LOG_TEXT_SENSOR("  ", "Firmware Version Sensor", this->version_)
+  LOG_TEXT_SENSOR("  ", "Firmware Version Sensor", this->version_);
   if (this->baseline_) {
     ESP_LOGCONFIG(TAG, "  Baseline: %04X", *this->baseline_);
   } else {

esphome/components/climate/climate.cpp

@@ -367,9 +367,11 @@ void Climate::save_state_() {
     state.uses_custom_fan_mode = true;
     const auto &supported = traits.get_supported_custom_fan_modes();
     std::vector<std::string> vec{supported.begin(), supported.end()};
-    auto it = std::find(vec.begin(), vec.end(), custom_fan_mode);
-    if (it != vec.end()) {
-      state.custom_fan_mode = std::distance(vec.begin(), it);
+    for (size_t i = 0; i < vec.size(); i++) {
+      if (vec[i] == custom_fan_mode) {
+        state.custom_fan_mode = i;
+        break;
+      }
     }
   }
   if (traits.get_supports_presets() && preset.has_value()) {
@@ -380,10 +382,11 @@ void Climate::save_state_() {
     state.uses_custom_preset = true;
     const auto &supported = traits.get_supported_custom_presets();
     std::vector<std::string> vec{supported.begin(), supported.end()};
-    auto it = std::find(vec.begin(), vec.end(), custom_preset);
-    // only set custom preset if value exists, otherwise leave it as is
-    if (it != vec.cend()) {
-      state.custom_preset = std::distance(vec.begin(), it);
+    for (size_t i = 0; i < vec.size(); i++) {
+      if (vec[i] == custom_preset) {
+        state.custom_preset = i;
+        break;
+      }
     }
   }
   if (traits.get_supports_swing_modes()) {

esphome/components/cm1106/cm1106.cpp

@@ -13,7 +13,7 @@ static const uint8_t C_M1106_CMD_SET_CO2_CALIB_RESPONSE[4] = {0x16, 0x01, 0x03,
 
 uint8_t cm1106_checksum(const uint8_t *response, size_t len) {
   uint8_t crc = 0;
-  for (int i = 0; i < len - 1; i++) {
+  for (size_t i = 0; i < len - 1; i++) {
     crc -= response[i];
   }
   return crc;

esphome/components/copy/lock/copy_lock.cpp

@@ -11,7 +11,7 @@ void CopyLock::setup() {
 
   traits.set_assumed_state(source_->traits.get_assumed_state());
   traits.set_requires_code(source_->traits.get_requires_code());
-  traits.set_supported_states(source_->traits.get_supported_states());
+  traits.set_supported_states_mask(source_->traits.get_supported_states_mask());
   traits.set_supports_open(source_->traits.get_supports_open());
 
   this->publish_state(source_->state);

esphome/components/cover/cover.cpp

@@ -1,5 +1,6 @@
 #include "cover.h"
 #include "esphome/core/log.h"
+#include <strings.h>
 
 namespace esphome {
 namespace cover {

esphome/components/daikin_arc/daikin_arc.cpp

@@ -26,7 +26,7 @@ void DaikinArcClimate::transmit_query_() {
   uint8_t remote_header[8] = {0x11, 0xDA, 0x27, 0x00, 0x84, 0x87, 0x20, 0x00};
 
   // Calculate checksum
-  for (int i = 0; i < sizeof(remote_header) - 1; i++) {
+  for (size_t i = 0; i < sizeof(remote_header) - 1; i++) {
     remote_header[sizeof(remote_header) - 1] += remote_header[i];
   }
 
@@ -102,7 +102,7 @@ void DaikinArcClimate::transmit_state() {
   remote_state[9] = fan_speed & 0xff;
 
   // Calculate checksum
-  for (int i = 0; i < sizeof(remote_header) - 1; i++) {
+  for (size_t i = 0; i < sizeof(remote_header) - 1; i++) {
     remote_header[sizeof(remote_header) - 1] += remote_header[i];
   }
 
@@ -350,7 +350,7 @@ bool DaikinArcClimate::on_receive(remote_base::RemoteReceiveData data) {
   bool valid_daikin_frame = false;
   if (data.expect_item(DAIKIN_HEADER_MARK, DAIKIN_HEADER_SPACE)) {
     valid_daikin_frame = true;
-    int bytes_count = data.size() / 2 / 8;
+    size_t bytes_count = data.size() / 2 / 8;
     std::unique_ptr<char[]> buf(new char[bytes_count * 3 + 1]);
     buf[0] = '\0';
     for (size_t i = 0; i < bytes_count; i++) {
@@ -370,7 +370,7 @@ bool DaikinArcClimate::on_receive(remote_base::RemoteReceiveData data) {
   if (!valid_daikin_frame) {
     char sbuf[16 * 10 + 1];
     sbuf[0] = '\0';
-    for (size_t j = 0; j < data.size(); j++) {
+    for (size_t j = 0; j < static_cast<size_t>(data.size()); j++) {
       if ((j - 2) % 16 == 0) {
         if (j > 0) {
           ESP_LOGD(TAG, "DATA %04x: %s", (j - 16 > 0xffff ? 0 : j - 16), sbuf);
@@ -380,19 +380,26 @@ bool DaikinArcClimate::on_receive(remote_base::RemoteReceiveData data) {
       char type_ch = ' ';
       // debug_tolerance = 25%
 
-      if (DAIKIN_DBG_LOWER(DAIKIN_ARC_PRE_MARK) <= data[j] && data[j] <= DAIKIN_DBG_UPPER(DAIKIN_ARC_PRE_MARK))
+      if (static_cast<int32_t>(DAIKIN_DBG_LOWER(DAIKIN_ARC_PRE_MARK)) <= data[j] &&
+          data[j] <= static_cast<int32_t>(DAIKIN_DBG_UPPER(DAIKIN_ARC_PRE_MARK)))
         type_ch = 'P';
-      if (DAIKIN_DBG_LOWER(DAIKIN_ARC_PRE_SPACE) <= -data[j] && -data[j] <= DAIKIN_DBG_UPPER(DAIKIN_ARC_PRE_SPACE))
+      if (static_cast<int32_t>(DAIKIN_DBG_LOWER(DAIKIN_ARC_PRE_SPACE)) <= -data[j] &&
+          -data[j] <= static_cast<int32_t>(DAIKIN_DBG_UPPER(DAIKIN_ARC_PRE_SPACE)))
         type_ch = 'a';
-      if (DAIKIN_DBG_LOWER(DAIKIN_HEADER_MARK) <= data[j] && data[j] <= DAIKIN_DBG_UPPER(DAIKIN_HEADER_MARK))
+      if (static_cast<int32_t>(DAIKIN_DBG_LOWER(DAIKIN_HEADER_MARK)) <= data[j] &&
+          data[j] <= static_cast<int32_t>(DAIKIN_DBG_UPPER(DAIKIN_HEADER_MARK)))
         type_ch = 'H';
-      if (DAIKIN_DBG_LOWER(DAIKIN_HEADER_SPACE) <= -data[j] && -data[j] <= DAIKIN_DBG_UPPER(DAIKIN_HEADER_SPACE))
+      if (static_cast<int32_t>(DAIKIN_DBG_LOWER(DAIKIN_HEADER_SPACE)) <= -data[j] &&
+          -data[j] <= static_cast<int32_t>(DAIKIN_DBG_UPPER(DAIKIN_HEADER_SPACE)))
         type_ch = 'h';
-      if (DAIKIN_DBG_LOWER(DAIKIN_BIT_MARK) <= data[j] && data[j] <= DAIKIN_DBG_UPPER(DAIKIN_BIT_MARK))
+      if (static_cast<int32_t>(DAIKIN_DBG_LOWER(DAIKIN_BIT_MARK)) <= data[j] &&
+          data[j] <= static_cast<int32_t>(DAIKIN_DBG_UPPER(DAIKIN_BIT_MARK)))
         type_ch = 'B';
-      if (DAIKIN_DBG_LOWER(DAIKIN_ONE_SPACE) <= -data[j] && -data[j] <= DAIKIN_DBG_UPPER(DAIKIN_ONE_SPACE))
+      if (static_cast<int32_t>(DAIKIN_DBG_LOWER(DAIKIN_ONE_SPACE)) <= -data[j] &&
+          -data[j] <= static_cast<int32_t>(DAIKIN_DBG_UPPER(DAIKIN_ONE_SPACE)))
         type_ch = '1';
-      if (DAIKIN_DBG_LOWER(DAIKIN_ZERO_SPACE) <= -data[j] && -data[j] <= DAIKIN_DBG_UPPER(DAIKIN_ZERO_SPACE))
+      if (static_cast<int32_t>(DAIKIN_DBG_LOWER(DAIKIN_ZERO_SPACE)) <= -data[j] &&
+          -data[j] <= static_cast<int32_t>(DAIKIN_DBG_UPPER(DAIKIN_ZERO_SPACE)))
         type_ch = '0';
 
       if (abs(data[j]) > 100000) {
@@ -400,7 +407,7 @@ bool DaikinArcClimate::on_receive(remote_base::RemoteReceiveData data) {
       } else {
         sprintf(sbuf, "%s%-5d[%c] ", sbuf, (int) (round(data[j] / 10.) * 10), type_ch);
       }
-      if (j == data.size() - 1) {
+      if (j + 1 == static_cast<size_t>(data.size())) {
         ESP_LOGD(TAG, "DATA %04x: %s", (j - 8 > 0xffff ? 0 : j - 8), sbuf);
       }
     }

esphome/components/dashboard_import/dashboard_import.cpp

@@ -5,7 +5,7 @@ namespace dashboard_import {
 
 static std::string g_package_import_url;  // NOLINT
 
-std::string get_package_import_url() { return g_package_import_url; }
+const std::string &get_package_import_url() { return g_package_import_url; }
 void set_package_import_url(std::string url) { g_package_import_url = std::move(url); }
 
 }  // namespace dashboard_import

esphome/components/dashboard_import/dashboard_import.h

@@ -5,7 +5,7 @@
 namespace esphome {
 namespace dashboard_import {
 
-std::string get_package_import_url();
+const std::string &get_package_import_url();
 void set_package_import_url(std::string url);
 
 }  // namespace dashboard_import

esphome/components/debug/debug_esp32.cpp

@@ -52,7 +52,7 @@ void DebugComponent::on_shutdown() {
   char buffer[REBOOT_MAX_LEN]{};
   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);
+    strncpy(buffer, LOG_STR_ARG(component->get_component_log_str()), REBOOT_MAX_LEN - 1);
     buffer[REBOOT_MAX_LEN - 1] = '\0';
   }
   ESP_LOGD(TAG, "Storing reboot source: %s", buffer);

esphome/components/deep_sleep/__init__.py

@@ -197,7 +197,8 @@ 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"
+                    unsupported=[VARIANT_ESP32C2, VARIANT_ESP32C3],
+                    msg_prefix="Wakeup from ext1",
                 ),
                 cv.Schema(
                     {
@@ -214,7 +215,13 @@ CONFIG_SCHEMA = cv.All(
             cv.Optional(CONF_TOUCH_WAKEUP): cv.All(
                 cv.only_on_esp32,
                 esp32.only_on_variant(
-                    unsupported=[VARIANT_ESP32C3], msg_prefix="Wakeup from touch"
+                    unsupported=[
+                        VARIANT_ESP32C2,
+                        VARIANT_ESP32C3,
+                        VARIANT_ESP32C6,
+                        VARIANT_ESP32H2,
+                    ],
+                    msg_prefix="Wakeup from touch",
                 ),
                 cv.boolean,
             ),

esphome/components/deep_sleep/deep_sleep_component.h

@@ -34,7 +34,7 @@ enum WakeupPinMode {
   WAKEUP_PIN_MODE_INVERT_WAKEUP,
 };
 
-#if defined(USE_ESP32) && !defined(USE_ESP32_VARIANT_ESP32C3)
+#if defined(USE_ESP32) && !defined(USE_ESP32_VARIANT_ESP32C2) && !defined(USE_ESP32_VARIANT_ESP32C3)
 struct Ext1Wakeup {
   uint64_t mask;
   esp_sleep_ext1_wakeup_mode_t wakeup_mode;
@@ -50,7 +50,7 @@ struct WakeupCauseToRunDuration {
   uint32_t gpio_cause;
 };
 
-#endif
+#endif  // USE_ESP32
 
 template<typename... Ts> class EnterDeepSleepAction;
 
@@ -73,20 +73,22 @@ class DeepSleepComponent : public Component {
   void set_wakeup_pin(InternalGPIOPin *pin) { this->wakeup_pin_ = pin; }
 
   void set_wakeup_pin_mode(WakeupPinMode wakeup_pin_mode);
-#endif
+#endif  // USE_ESP32
 
 #if defined(USE_ESP32)
-#if !defined(USE_ESP32_VARIANT_ESP32C3)
-
+#if !defined(USE_ESP32_VARIANT_ESP32C2) && !defined(USE_ESP32_VARIANT_ESP32C3)
   void set_ext1_wakeup(Ext1Wakeup ext1_wakeup);
-
-  void set_touch_wakeup(bool touch_wakeup);
-
 #endif
+
+#if !defined(USE_ESP32_VARIANT_ESP32C2) && !defined(USE_ESP32_VARIANT_ESP32C3) && \
+    !defined(USE_ESP32_VARIANT_ESP32C6) && !defined(USE_ESP32_VARIANT_ESP32H2)
+  void set_touch_wakeup(bool touch_wakeup);
+#endif
+
   // Set the duration in ms for how long the code should run before entering
   // deep sleep mode, according to the cause the ESP32 has woken.
   void set_run_duration(WakeupCauseToRunDuration wakeup_cause_to_run_duration);
-#endif
+#endif  // USE_ESP32
 
   /// Set a duration in ms for how long the code should run before entering deep sleep mode.
   void set_run_duration(uint32_t time_ms);
@@ -117,13 +119,13 @@ class DeepSleepComponent : public Component {
   InternalGPIOPin *wakeup_pin_;
   WakeupPinMode wakeup_pin_mode_{WAKEUP_PIN_MODE_IGNORE};
 
-#if !defined(USE_ESP32_VARIANT_ESP32C3)
+#if !defined(USE_ESP32_VARIANT_ESP32C2) && !defined(USE_ESP32_VARIANT_ESP32C3)
   optional<Ext1Wakeup> ext1_wakeup_;
 #endif
 
   optional<bool> touch_wakeup_;
   optional<WakeupCauseToRunDuration> wakeup_cause_to_run_duration_;
-#endif
+#endif  // USE_ESP32
   optional<uint32_t> run_duration_;
   bool next_enter_deep_sleep_{false};
   bool prevent_{false};