Move to multi-connection modality

app/routers/health.py

@@ -13,12 +13,12 @@ router = APIRouter(tags=["health"])
 class HealthResponse(BaseModel):
     status: str
     radio_connected: bool
-    serial_port: str | None
+    connection_info: str | None
     database_size_mb: float
     oldest_undecrypted_timestamp: int | None
 
 
-async def build_health_data(radio_connected: bool, serial_port: str | None) -> dict:
+async def build_health_data(radio_connected: bool, connection_info: str | None) -> dict:
     """Build the health status payload used by REST endpoint and WebSocket broadcasts."""
     db_size_mb = 0.0
     try:
@@ -36,7 +36,7 @@ async def build_health_data(radio_connected: bool, serial_port: str | None) -> d
     return {
         "status": "ok" if radio_connected else "degraded",
         "radio_connected": radio_connected,
-        "serial_port": serial_port,
+        "connection_info": connection_info,
         "database_size_mb": db_size_mb,
         "oldest_undecrypted_timestamp": oldest_ts,
     }
@@ -45,5 +45,5 @@ async def build_health_data(radio_connected: bool, serial_port: str | None) -> d
 @router.get("/health", response_model=HealthResponse)
 async def healthcheck() -> HealthResponse:
     """Check if the API is running and if the radio is connected."""
-    data = await build_health_data(radio_manager.is_connected, radio_manager.port)
+    data = await build_health_data(radio_manager.is_connected, radio_manager.connection_info)
     return HealthResponse(**data)

app/routers/ws.py

@@ -23,7 +23,9 @@ async def websocket_endpoint(websocket: WebSocket) -> None:
 
     # Send initial health status
     try:
-        health_data = await build_health_data(radio_manager.is_connected, radio_manager.port)
+        health_data = await build_health_data(
+            radio_manager.is_connected, radio_manager.connection_info
+        )
         await ws_manager.send_personal(websocket, "health", health_data)
 
     except Exception as e: