[ci] Skip YAML anchor keys in integration fixture component extraction (#14670)

script/helpers.py

@@ -705,8 +705,10 @@ def get_components_from_integration_fixtures() -> set[str]:
         if not config:
             continue
 
-        # Add all top-level component keys
-        components.update(config.keys())
+        # Add all top-level component keys (skip YAML anchor keys starting with '.')
+        components.update(
+            k for k in config if isinstance(k, str) and not k.startswith(".")
+        )
 
         # Add platform components (e.g., output.template)
         for value in config.values():

tests/script/test_helpers.py

@@ -1057,6 +1057,30 @@ def test_get_components_from_integration_fixtures() -> None:
         assert components == expected_components
 
 
+def test_get_components_from_integration_fixtures_skips_yaml_anchors() -> None:
+    """Test that YAML anchor keys (starting with '.') are excluded."""
+    yaml_content = {
+        "sensor": [{"platform": "template", "name": "test"}],
+        "esphome": {"name": "test"},
+        ".sensor_filters": {"filters": [{"timeout": "50ms"}]},
+        ".binary_filters": {"filters": [{"settle": "50ms"}]},
+    }
+
+    mock_yaml_file = Mock()
+
+    with (
+        patch("pathlib.Path.glob") as mock_glob,
+        patch("esphome.yaml_util.load_yaml", return_value=yaml_content),
+    ):
+        mock_glob.return_value = [mock_yaml_file]
+
+        components = helpers.get_components_from_integration_fixtures()
+
+        assert ".sensor_filters" not in components
+        assert ".binary_filters" not in components
+        assert components == {"sensor", "esphome", "template"}
+
+
 @pytest.mark.parametrize(
     "output,expected",
     [