feat: end to end connected for demo

Includes the Transcription agent. Involved updating the RI agent to receive messages from other agents, sending speech commands to the RI agent, and some performance optimizations.

ref: N25B-216

src/control_backend/main.py

@@ -71,6 +71,8 @@ async def lifespan(app: FastAPI):
 
     _temp_vad_agent = VADAgent("tcp://localhost:5558", False)
     await _temp_vad_agent.start()
+    logger.info("VAD agent started, now making ready...")
+    await _temp_vad_agent.streaming_behaviour.reset()
 
     yield