refactor: extrai coordenação da conversa para VoiceSession

tests/test_gateway.py

@@ -28,7 +28,18 @@ from voice_assistant.tts.mock import MockTTSAdapter
 from voice_assistant.voice_pipeline import VoicePipeline
 
 
-from voice_assistant.audio_gateway.app.main import forward_stt_events
+from voice_assistant.application import voice_session as voice_session_module
+from voice_assistant.application.voice_session import VoiceSession
+
+
+async def forward_stt_events(websocket, stt, pipeline, session_id, turn_id):
+    # Exercise application event handling with the real WebSocket mapper.
+    async def emit(event):
+        await main.send_voice_event(websocket, event)
+
+    conversation = VoiceSession(pipeline=pipeline, create_stt=lambda: stt, emit=emit)
+    await conversation._consume_stt_events(stt, turn_id)
+
 from voice_assistant.stt.models import TranscriptEvent
 
 created_stt: list[MockSTTAdapter] = []
@@ -853,7 +864,7 @@ def test_websocket_disconnect_continues_cleanup_after_stt_abort_failure(
         side_effect=failing_abort,
     ):
         with patch.object(
-            main.logger,
+            voice_session_module.logger,
             "exception",
         ) as log_mock:
             with client.websocket_connect("/ws/audio") as websocket:
@@ -932,7 +943,7 @@ def test_websocket_disconnect_continues_cleanup_after_task_cancel_failure():
             side_effect=tracked_abort,
         ),
         patch.object(
-            main.logger,
+            voice_session_module.logger,
             "exception",
         ) as log_mock,
     ):
@@ -1591,7 +1602,7 @@ def test_websocket_audio_start_abort_failure_is_not_retryable():
             return_value=failing_stt,
         ),
         patch.object(
-            main.logger,
+            voice_session_module.logger,
             "exception",
         ) as log_mock,
     ):