Fix realtime HA state-change execution

tests/behavior/test_engine.py

@@ -587,3 +587,73 @@ def test_state_change_uses_websocket_context_state_for_immediate_action(
     assert reader.service_calls == [
         ("light", "turn_on", {"entity_id": "light.storage"})
     ]
+
+
+def test_state_change_uses_event_cache_without_rest_state_query(
+    tmp_path: Path,
+) -> None:
+    now = datetime.now(timezone.utc).replace(microsecond=0)
+    settings = _settings(tmp_path)
+    store = ActuatorStore(settings.actuator_store)
+    record = store.configure("light.storage")
+    record = record.model_copy(
+        update={
+            "assignment": record.assignment.model_copy(
+                update={
+                    "selected_context_entity_ids": ["binary_sensor.storage_door"],
+                }
+            ),
+            "behavior": record.behavior.model_copy(
+                update={
+                    "mode": BehaviorMode.ACTIVE,
+                    "status": BehaviorStatus.TRAINED,
+                    "activation_ready": True,
+                    "patterns": [
+                        BehaviorPattern(
+                            target_state="on",
+                            minute_of_day=60,
+                            weekday=0,
+                            context_states={"binary_sensor.storage_door": "on"},
+                            trigger_entity_id="binary_sensor.storage_door",
+                            trigger_from_state="off",
+                            trigger_to_state="on",
+                            source="automation",
+                            weight=1.0,
+                            observed_at=now - timedelta(days=days_ago),
+                        )
+                        for days_ago in (3, 2, 1)
+                    ],
+                }
+            ),
+        }
+    )
+    store.upsert(record)
+    reader = FakeBehaviorReader(
+        entities=[],
+        history=[],
+        logbook=[],
+    )
+
+    def fail_read_entities() -> list[HaEntitySummary]:
+        raise AssertionError("Event-Auswertung darf keinen REST-State lesen.")
+
+    reader.read_entities = fail_read_entities  # type: ignore[method-assign]
+    engine = BehaviorEngine(ha_reader=reader, store=store, settings=settings)
+
+    engine.handle_state_change(
+        "binary_sensor.storage_door",
+        {"state": "on", "last_changed": now.isoformat()},
+        current_entities=[
+            HaEntitySummary(entity_id="light.storage", domain="light", state="off"),
+            HaEntitySummary(
+                entity_id="binary_sensor.storage_door",
+                domain="binary_sensor",
+                state="on",
+                last_changed=now,
+            ),
+        ],
+    )
+
+    assert reader.service_calls == [
+        ("light", "turn_on", {"entity_id": "light.storage"})
+    ]

tests/test_main.py

@@ -1,4 +1,5 @@
 import asyncio
+from collections.abc import Sequence
 from pathlib import Path
 from unittest.mock import MagicMock, patch
 
@@ -8,6 +9,8 @@ from fastapi.testclient import TestClient
 
 from app.actuators.store import ActuatorStore
 from app.behavior.engine import BehaviorEngine
+from app.ha.models import HaEntitySummary
+from app.ha.reader import HaReader
 from app.main import _ha_event_listener, app as fastapi_app, lifespan
 
 
@@ -41,10 +44,32 @@ class _RecordingBehaviorEngine(BehaviorEngine):
             store=ActuatorStore(tmp_path / "actuators"),
             settings=MagicMock(),
         )
-        self.state_changes: list[tuple[str, dict[str, object] | None]] = []
+        self.state_changes: list[
+            tuple[str, dict[str, object] | None, Sequence[HaEntitySummary] | None]
+        ] = []
 
-    def handle_state_change(self, entity_id: str, new_state: dict[str, object] | None) -> None:
-        self.state_changes.append((entity_id, new_state))
+    def handle_state_change(
+        self,
+        entity_id: str,
+        new_state: dict[str, object] | None,
+        *,
+        current_entities: Sequence[HaEntitySummary] | None = None,
+    ) -> None:
+        self.state_changes.append((entity_id, new_state, current_entities))
+
+
+class _FakeHaReader(HaReader):
+    def __init__(self) -> None:
+        pass
+
+    def read_entities(self) -> list[HaEntitySummary]:
+        return [
+            HaEntitySummary(
+                entity_id="light.test",
+                domain="light",
+                state="off",
+            )
+        ]
 
 
 def test_ha_event_listener_processes_state_change(tmp_path: Path) -> None:
@@ -83,12 +108,19 @@ def test_ha_event_listener_processes_state_change(tmp_path: Path) -> None:
     mock_app.state.ws_status = MagicMock()
     mock_engine = _RecordingBehaviorEngine(tmp_path)
     mock_app.state.behavior_engine = mock_engine
+    mock_app.state.ha_reader = _FakeHaReader()
     mock_store = ActuatorStore(tmp_path / "store")
     mock_app.state.actuator_store = mock_store
     mock_client = MagicMock()
 
     anyio.run(run_test)
-    assert mock_engine.state_changes == [("light.test", {"state": "on"})]
+    assert len(mock_engine.state_changes) == 1
+    entity_id, new_state, current_entities = mock_engine.state_changes[0]
+    assert entity_id == "light.test"
+    assert new_state == {"state": "on"}
+    assert current_entities == [
+        HaEntitySummary(entity_id="light.test", domain="light", state="on")
+    ]
     assert mock_app.state.ws_status.status == "connected"
     assert mock_app.state.ws_status.error is None