add location

app/node_main.py

@@ -20,6 +20,8 @@ app.include_router(create_op25_router(), prefix="/op25")
 # Configuration
 NODE_ID = os.getenv("NODE_ID", "standalone-node")
 MQTT_BROKER = os.getenv("MQTT_BROKER", None)
+NODE_LAT = os.getenv("NODE_LAT")
+NODE_LONG = os.getenv("NODE_LONG")
 
 # Global flag to track MQTT connection state
 MQTT_CONNECTED = False
@@ -155,7 +157,11 @@ async def mqtt_lifecycle_manager():
             "is_listening": op25_status.get("is_running", False),
             "active_system": op25_status.get("active_system"),
             # Only scan library if needed, otherwise it's heavy I/O
-            "available_systems": scan_local_library() 
+            "available_systems": scan_local_library(),
+            "location": {
+                "lat": float(NODE_LAT) if NODE_LAT else None,
+                "long": float(NODE_LONG) if NODE_LONG else None
+            }
         }
 
         client.publish(f"nodes/{NODE_ID}/checkin", json.dumps(payload), retain=True)