chore: remove belief collector and small tweaks

test/unit/agents/bdi/test_text_belief_extractor.py

@@ -359,6 +359,30 @@ async def test_simulated_real_turn_remove_belief(agent, llm, sample_program):
     assert any(b.name == "no_more_booze" for b in agent._current_beliefs.false)
 
 
+@pytest.mark.asyncio
+async def test_infer_goal_completions_sends_beliefs(agent, llm):
+    """Test that inferred goal completions are sent to the BDI core."""
+    goal = BaseGoal(
+        id=uuid.uuid4(), name="Say Hello", description="The user said hello", can_fail=True
+    )
+    agent.goal_inferrer.goals = {goal}
+
+    # Mock goal inference: goal is achieved
+    llm.query = AsyncMock(return_value=True)
+
+    await agent._infer_goal_completions()
+
+    # Should send belief change to BDI core
+    agent.send.assert_awaited_once()
+    sent: InternalMessage = agent.send.call_args.args[0]
+    assert sent.to == settings.agent_settings.bdi_core_name
+    assert sent.thread == "beliefs"
+
+    parsed = BeliefMessage.model_validate_json(sent.body)
+    assert len(parsed.create) == 1
+    assert parsed.create[0].name == "achieved_say_hello"
+
+
 @pytest.mark.asyncio
 async def test_llm_failure_handling(agent, llm, sample_program):
     """