refactor: rename all agents and improve structure pt1

ref: N25B-257

src/control_backend/agents/mock_agents/bel_text_agent.py

@@ -7,11 +7,11 @@ from spade.message import Message
 from control_backend.core.config import settings
 
 
-class BeliefTextAgent(Agent):
+class BelTextAgent(Agent):
     class SendOnceBehaviourBlfText(OneShotBehaviour):
         async def run(self):
             to_jid = (
-                settings.agent_settings.belief_collector_agent_name
+                settings.agent_settings.bel_collector_agent_name
                 + "@"
                 + settings.agent_settings.host
             )
@@ -39,6 +39,6 @@ class BeliefTextAgent(Agent):
             await self.agent.stop()
 
     async def setup(self):
-        print("BeliefTextAgent started")
+        print("BelTextAgent started")
         self.b = self.SendOnceBehaviourBlfText()
         self.add_behaviour(self.b)