ASSIGN-001: reject unrelated actuator sensors

tests/actuators/test_lifecycle.py

@@ -141,7 +141,7 @@ def test_reconciliation_auto_assigns_and_trains_numeric_model(tmp_path: Path) ->
     assert "binary_sensor.abstellkammer_motion" not in artifact.supported_sensors
 
 
-def test_reconciliation_uses_best_automatic_mapping_when_ambiguous(tmp_path: Path) -> None:
+def test_reconciliation_rejects_ambiguous_numeric_mapping(tmp_path: Path) -> None:
     start = datetime(2026, 6, 1, tzinfo=timezone.utc)
     entities = [
         HaEntitySummary(
@@ -181,8 +181,59 @@ def test_reconciliation_uses_best_automatic_mapping_when_ambiguous(tmp_path: Pat
     record = service.configure_actuator("switch.garage_pump")
 
     assert record.assignment.review_required is True
-    assert record.assignment.selected_numeric_entity_id == "sensor.garage_energy"
-    assert record.lifecycle.status is LifecycleStatus.TRAINED
+    assert record.assignment.selected_numeric_entity_id is None
+    assert record.lifecycle.status is LifecycleStatus.ARCHIVED
+
+
+def test_reconciliation_does_not_cross_assign_other_room_light_energy(
+    tmp_path: Path,
+) -> None:
+    start = datetime(2026, 6, 1, tzinfo=timezone.utc)
+    entities = [
+        HaEntitySummary(
+            entity_id=(
+                "light.lichtschalter_abstellraum_"
+                "lichtschalter_abstellraum_s1"
+            ),
+            domain="light",
+            friendly_name="Licht Abstellraum",
+        ),
+        HaEntitySummary(
+            entity_id="sensor.licht_badezimmer_energy",
+            domain="sensor",
+            device_class="energy",
+            state_class="total_increasing",
+            unit_of_measurement="kWh",
+            friendly_name="Lichtschalter_Badezimmer Licht Badezimmer energy",
+        ),
+        HaEntitySummary(
+            entity_id="binary_sensor.abstellraum_ture",
+            domain="binary_sensor",
+            device_class="door",
+            friendly_name="Abstellraum Türe",
+        ),
+        HaEntitySummary(
+            entity_id="binary_sensor.briefkasten_open",
+            domain="binary_sensor",
+            device_class="opening",
+            friendly_name="Briefkasten open",
+        ),
+    ]
+    service = _service(
+        tmp_path,
+        entities,
+        {"sensor.licht_badezimmer_energy": _points(8, start, 1.0)},
+    )
+
+    record = service.configure_actuator(
+        "light.lichtschalter_abstellraum_lichtschalter_abstellraum_s1"
+    )
+
+    assert record.assignment.selected_numeric_entity_id is None
+    assert record.assignment.selected_context_entity_ids == [
+        "binary_sensor.abstellraum_ture"
+    ]
+    assert record.lifecycle.status is LifecycleStatus.ARCHIVED
 
 
 def test_legacy_manual_override_is_cleared_and_automatic_mapping_wins(tmp_path: Path) -> None: