feat: improve actor-specific context selection

tests/api/test_actuators.py

@@ -115,6 +115,14 @@ def _install_service(tmp_path: Path) -> None:
             friendly_name="Abstellkammer Bewegung",
             area_name="Abstellkammer",
         ),
+        HaEntitySummary(
+            entity_id="sensor.pfsense_interface_vpn_inbytes",
+            domain="sensor",
+            device_class="data_size",
+            state_class="measurement",
+            unit_of_measurement="KiB",
+            friendly_name="pfSense Interface VPN inbytes",
+        ),
     ]
     settings = Settings(
         ha_url="http://ha.local",
@@ -208,10 +216,14 @@ def test_context_options_returns_learnable_entities(tmp_path: Path) -> None:
     with TestClient(app) as client:
         _install_service(tmp_path)
 
-        response = client.get("/v1/actuators/context-options")
+        client.post("/v1/actuators", json={"actuator_entity_id": "light.abstellkammer"})
+        response = client.get(
+            "/v1/actuators/context-options",
+            params={"actuator_entity_id": "light.abstellkammer"},
+        )
 
     assert response.status_code == 200
     entity_ids = {item["entity_id"] for item in response.json()}
     assert "sensor.abstellkammer_illuminance" in entity_ids
     assert "binary_sensor.abstellkammer_motion" in entity_ids
-    assert "light.abstellkammer" in entity_ids
+    assert "sensor.pfsense_interface_vpn_inbytes" not in entity_ids