chore: add unit test for router and implement command router

ref: N25B-205

src/control_backend/agents/ri_command_agent.py

@@ -32,9 +32,9 @@ class RICommandAgent(Agent):
             
             # Try to get body
             try:
-                message_json = json.loads(body.decode("utf-8"))
-                message = SpeechCommand.model_validate(message_json)
-            
+                message = SpeechCommand.model_validate(body)
+                
+
                 # Send to the robot.
                 await self.agent.pubsocket.send_json(message)
             except Exception as e:

src/control_backend/agents/test_agent.py

@@ -1,37 +0,0 @@
-import json
-import logging
-from spade.agent import Agent
-from spade.behaviour import CyclicBehaviour
-import zmq
-
-from control_backend.core.config import settings
-from control_backend.core.zmq_context import context
-from control_backend.schemas.message import Message
-
-logger = logging.getLogger(__name__)
-
-class TestAgent(Agent):
-    socket: zmq.Socket
-
-    class ListenBehaviour(CyclicBehaviour):
-        async def run(self):
-            assert self.agent is not None
-            topic, body = await self.agent.socket.recv_multipart()
-            
-            try:
-                message_json = json.loads(body.decode("utf-8"))
-                message = Message.model_validate(message_json)
-                logger.info("Received message \"%s\"", message.message)
-            except Exception as e:
-                logger.error("Error processing message: %s", e)
-
-    async def setup(self):
-        logger.info("Setting up %s", self.jid)
-        self.socket = context.socket(zmq.SUB)
-        self.socket.connect(settings.zmq_settings.internal_comm_address)
-        self.socket.setsockopt(zmq.SUBSCRIBE, b"message")
-
-        b = self.ListenBehaviour()
-        self.add_behaviour(b)
-
-        logger.info("Finished setting up %s", self.jid)