feat: extend HA client to fetch entity states (lights/climate/doors/alerts)

apps/dashboard/backend/app/clients/home_assistant_client.py

@@ -29,11 +29,7 @@ class HomeAssistantClient(BaseHTTPClient):
 
         started_at = perf_counter()
         api_info = await self._request_json("GET", "/api/", headers=headers)
-        if api_info is None:
-            logger.warning("home assistant base API check failed")
-            return snapshot
-
-        logger.info("home assistant raw /api response: %s", api_info)
+        logger.info("home assistant raw /api/ response: %s", api_info)
 
         elapsed_ms = int((perf_counter() - started_at) * 1000)
         config = await self._request_json("GET", "/api/config", headers=headers)
@@ -43,11 +39,45 @@ class HomeAssistantClient(BaseHTTPClient):
         if isinstance(config, dict):
             version = config.get("version")
 
+        # Fetch entity states for widget counts
+        lights_on = 0
+        lights_total = 0
+        climate_active = 0
+        doors_open = 0
+        alerts = 0
+
+        try:
+            states = await self._request_json("GET", "/api/states", headers=headers)
+            if isinstance(states, list):
+                for entity in states:
+                    eid = entity.get("entity_id", "")
+                    state = entity.get("state", "")
+                    if eid.startswith("light."):
+                        lights_total += 1
+                        if state == "on":
+                            lights_on += 1
+                    elif eid.startswith("climate."):
+                        if state not in ("off", "unavailable", "unknown"):
+                            climate_active += 1
+                    elif eid.startswith("binary_sensor.") and "door" in eid:
+                        if state == "on":
+                            doors_open += 1
+                    elif eid.startswith("persistent_notification."):
+                        if state == "notifying":
+                            alerts += 1
+        except Exception as exc:
+            logger.warning("home assistant fetch states failed: %s", exc)
+
         normalized = HomeAssistantSnapshot(
             status="online",
             version=str(version) if version else None,
             response_time_ms=elapsed_ms,
             last_checked=datetime.now(timezone.utc),
+            lights_on=lights_on,
+            lights_total=lights_total,
+            climate_active=climate_active,
+            doors_open=doors_open,
+            alerts=alerts,
         )
         logger.info("home assistant normalized snapshot: %s", normalized.model_dump())
         return normalized