first commit

backend/api/routes/ws.py

@@ -0,0 +1,16 @@
+from fastapi import APIRouter, WebSocket, WebSocketDisconnect
+from services.ws_manager import manager
+
+router = APIRouter()
+
+
+@router.websocket("/ws")
+async def websocket_endpoint(ws: WebSocket):
+    await manager.connect(ws)
+    try:
+        while True:
+            # We only push from server → client.
+            # receive_text() keeps the connection alive.
+            await ws.receive_text()
+    except WebSocketDisconnect:
+        manager.disconnect(ws)