CONTROL-001: add safe HA automation handoff

tests/ha/test_ha_reader.py

@@ -125,3 +125,28 @@ def test_ha_reader_normalizes_state_history_and_logbook() -> None:
 
     assert history[0].points[0].state == "21.5"
     assert logbook[0].context_user_id == "user-1"
+
+
+def test_ha_reader_finds_automation_that_targets_entity() -> None:
+    client = FakeHaClient()
+    client.list_entities = lambda: [  # type: ignore[method-assign]
+        {
+            "entity_id": "automation.storage_light",
+            "state": "on",
+            "attributes": {
+                "id": "123",
+                "friendly_name": "Storage light",
+            },
+        }
+    ]
+    client.get_automation_config = lambda automation_id: {  # type: ignore[method-assign]
+        "id": automation_id,
+        "target": {"entity_id": "light.storage"},
+    }
+    reader = HaReader(client)
+
+    matches = reader.find_automations_for_entity("light.storage")
+
+    assert len(matches) == 1
+    assert matches[0].entity_id == "automation.storage_light"
+    assert matches[0].enabled is True