feat: fixed socket typing for communication agent and ping router- automatically try to reconnect with robot.

ref: N25B-151

src/control_backend/api/v1/endpoints/robot.py

@@ -6,7 +6,7 @@ import zmq.asyncio
 import json
 import datetime
 
-from zmq import Socket
+from zmq.asyncio import Socket
 from control_backend.core.zmq_context import context
 from control_backend.core.config import settings
 from control_backend.schemas.ri_message import SpeechCommand, RIEndpoint
@@ -24,7 +24,7 @@ async def receive_command(command: SpeechCommand, request: Request):
     # Validate and retrieve data.
     SpeechCommand.model_validate(command)
     topic = b"command"
-    pub_socket: Socket = request.app.state.internal_comm_socket
+    pub_socket : Socket = request.app.state.internal_comm_socket
     pub_socket.send_multipart([topic, command.model_dump_json().encode()])
 
     return {"status": "Command received"}
@@ -41,7 +41,8 @@ async def ping_stream(request: Request):
     async def event_stream():
         # Set up internal socket to receive ping updates
         logger.debug("Ping stream router event stream entered.")
-        sub_socket = zmq.asyncio.Context().socket(zmq.SUB)
+
+        sub_socket = context.socket(zmq.SUB)
         sub_socket.connect(settings.zmq_settings.internal_comm_address)
         sub_socket.setsockopt(zmq.SUBSCRIBE, b"ping")
         connected = True
@@ -69,6 +70,5 @@ async def ping_stream(request: Request):
             logger.debug(f"Yielded new connection event in robot ping router: {str(connected)}")
             yield f"data: {str(connected)}, time:{str(datetime.datetime.now().strftime("%H:%M:%S"))}\n\n"
 
-            
-
+        
     return StreamingResponse(event_stream(), media_type="text/event-stream")