refactor: agents inherit logger from BaseAgent

Created a class `BaseAgent`, from which all agents inherit. They get
assigned a logger with a nice name (something like
`control_backend.agents.AgentName`).

The BDI core takes care of its own logger, as bdi is still a module.

ref: N25B-241

src/control_backend/agents/transcription/transcription_agent.py

@@ -1,21 +1,19 @@
 import asyncio
-import logging
 
 import numpy as np
 import zmq
 import zmq.asyncio as azmq
-from spade.agent import Agent
 from spade.behaviour import CyclicBehaviour
 from spade.message import Message
 
-from .speech_recognizer import SpeechRecognizer
+from control_backend.agents import BaseAgent
 from control_backend.core.config import settings
 from control_backend.core.zmq_context import context as zmq_context
 
-logger = logging.getLogger(__name__)
+from .speech_recognizer import SpeechRecognizer
 
 
-class TranscriptionAgent(Agent):
+class TranscriptionAgent(BaseAgent):
     """
     An agent which listens to audio fragments with voice, transcribes them, and sends the
     transcription to other agents.
@@ -47,7 +45,8 @@ class TranscriptionAgent(Agent):
             """Share a transcription to the other agents that depend on it."""
             receiver_jids = [
                 settings.agent_settings.text_belief_extractor_agent_name
-                + '@' + settings.agent_settings.host,
+                + "@"
+                + settings.agent_settings.host,
             ]  # Set message receivers here
 
             for receiver_jid in receiver_jids:
@@ -58,7 +57,7 @@ class TranscriptionAgent(Agent):
             audio = await self.audio_in_socket.recv()
             audio = np.frombuffer(audio, dtype=np.float32)
             speech = await self._transcribe(audio)
-            logger.info("Transcribed speech: %s", speech)
+            self.agent.logger.info("Transcribed speech: %s", speech)
 
             await self._share_transcription(speech)
 
@@ -73,7 +72,7 @@ class TranscriptionAgent(Agent):
         self.audio_in_socket.connect(self.audio_in_address)
 
     async def setup(self):
-        logger.info("Setting up %s", self.jid)
+        self.logger.info("Setting up %s", self.jid)
 
         self._connect_audio_in_socket()
 
@@ -81,4 +80,4 @@ class TranscriptionAgent(Agent):
         transcribing.warmup()
         self.add_behaviour(transcribing)
 
-        logger.info("Finished setting up %s", self.jid)
+        self.logger.info("Finished setting up %s", self.jid)