refactor: improve logging and module structure

Changed some folders to not be modules and organized some `__init__.py`
files.

ref: N25B-223

src/control_backend/agents/llm/llm.py

@@ -11,7 +11,7 @@ from spade.agent import Agent
 from spade.behaviour import CyclicBehaviour
 from spade.message import Message
 
-from control_backend.agents.llm.llm_instructions import LLMInstructions
+from .llm_instructions import LLMInstructions
 from control_backend.core.config import settings
 
 
@@ -35,12 +35,10 @@ class LLMAgent(Agent):
             Receives SPADE messages and processes only those originating from the
             configured BDI agent.
             """
-            msg = await self.receive(timeout=1)
-            if not msg:
-                return
+            msg = await self.receive()
 
             sender = msg.sender.node
-            self.agent.logger.info(
+            self.agent.logger.debug(
                 "Received message: %s from %s",
                 msg.body,
                 sender,
@@ -121,7 +119,6 @@ class LLMAgent(Agent):
         Sets up the SPADE behaviour to filter and process messages from the
         BDI Core Agent.
         """
-        self.logger.info("LLMAgent setup complete")
-
         behaviour = self.ReceiveMessageBehaviour()
         self.add_behaviour(behaviour)
+        self.logger.info("LLMAgent setup complete")