update: Major Overhaul to all subsystems

backend/mqtt/logger.py

@@ -18,6 +18,10 @@ async def handle_message(serial: str, topic_type: str, payload: dict):
     try:
         if topic_type == "status/heartbeat":
             await _handle_heartbeat(serial, payload)
+        elif topic_type == "status/alerts":
+            await _handle_alerts(serial, payload)
+        elif topic_type == "status/info":
+            await _handle_info(serial, payload)
         elif topic_type == "logs":
             await _handle_log(serial, payload)
         elif topic_type == "data":
@@ -29,6 +33,8 @@ async def handle_message(serial: str, topic_type: str, payload: dict):
 
 
 async def _handle_heartbeat(serial: str, payload: dict):
+    # Store silently — do not log as a visible event.
+    # The console surfaces an alert only when the device goes silent (no heartbeat for 90s).
     inner = payload.get("payload", {})
     await db.insert_heartbeat(
         device_serial=serial,
@@ -55,6 +61,31 @@ async def _handle_log(serial: str, payload: dict):
     )
 
 
+async def _handle_alerts(serial: str, payload: dict):
+    subsystem = payload.get("subsystem", "")
+    state = payload.get("state", "")
+    if not subsystem or not state:
+        logger.warning(f"Malformed alert payload from {serial}: {payload}")
+        return
+
+    if state == "CLEARED":
+        await db.delete_alert(serial, subsystem)
+    else:
+        await db.upsert_alert(serial, subsystem, state, payload.get("msg"))
+
+
+async def _handle_info(serial: str, payload: dict):
+    event_type = payload.get("type", "")
+    data = payload.get("payload", {})
+
+    if event_type == "playback_started":
+        logger.debug(f"{serial}: playback started — melody_uid={data.get('melody_uid')}")
+    elif event_type == "playback_stopped":
+        logger.debug(f"{serial}: playback stopped")
+    else:
+        logger.debug(f"{serial}: info event '{event_type}'")
+
+
 async def _handle_data_response(serial: str, payload: dict):
     status = payload.get("status", "")