修复一些已知问题

api/app/agents/chat/orchestrator.py

@@ -8,6 +8,7 @@ from typing import TYPE_CHECKING, List, Optional
 
 from sqlalchemy.ext.asyncio import AsyncSession
 
+from app.agents.chat.agent_turn import AgentChatTurn
 from app.agents.chat.helpers import save_message
 from app.agents.chat.interview_agent import InterviewAgent
 from app.agents.chat.profile_agent import ProfileAgent
@@ -20,6 +21,10 @@ if TYPE_CHECKING:
 
 logger = get_logger(__name__)
 
+_UNAUTH_TURN = AgentChatTurn(
+    messages=["暂时没法继续对话，请先登录后再试。"], skip_tts=True
+)
+
 
 class ChatOrchestrator:
     """
@@ -45,9 +50,9 @@ class ChatOrchestrator:
         get_filled_profile_fields_fn,
         user_message_timestamp: Optional[datetime] = None,
         audio_duration_seconds: Optional[int] = None,
-    ) -> List[str]:
+    ) -> AgentChatTurn:
         """
-        处理用户消息，返回 AI 回复列表。
+        处理用户消息，返回 AI 回复（分段 + 是否跳过 TTS）。
         根据 missing_fields 路由到 ProfileAgent 或 InterviewAgent，
         统一写入 Redis。
         """
@@ -81,14 +86,14 @@ class ChatOrchestrator:
                         user_message_timestamp=user_message_timestamp,
                         audio_duration_seconds=audio_duration_seconds,
                     )
-                    return responses
+                    return AgentChatTurn(messages=responses, skip_tts=False)
                 except Exception as e:
                     logger.error(f"资料收集处理失败: {e}", exc_info=True)
 
         # --- 正式访谈模式 ---
         user_id = user.id if user else None
         if not user_id:
-            return ["抱歉，无法识别用户。"]
+            return _UNAUTH_TURN
 
         state = await get_or_create_state(user_id, db)
         if conversation and conversation.conversation_stage != state.current_stage:
@@ -106,7 +111,7 @@ class ChatOrchestrator:
                 occupation=user.occupation,
             )
 
-        responses = await self.interview_agent.generate_response_with_state(
+        turn = await self.interview_agent.generate_response_with_state(
             conversation_id=conversation_id,
             user_message=user_message,
             memoir_state=state,
@@ -115,13 +120,13 @@ class ChatOrchestrator:
         await self._save_messages(
             conversation_id=conversation_id,
             user_message=user_message,
-            response_text="\n\n".join(responses),
+            response_text="\n\n".join(turn.messages),
             is_from_voice=is_from_voice,
             voice_session_id=voice_session_id,
             user_message_timestamp=user_message_timestamp,
             audio_duration_seconds=audio_duration_seconds,
         )
-        return responses
+        return turn
 
     async def _save_messages(
         self,
@@ -222,15 +227,15 @@ class ChatOrchestrator:
         voice_session_id: str | None = None,
         user_message_timestamp: datetime | None = None,
         audio_duration_seconds: int | None = None,
-    ) -> List[str]:
+    ) -> AgentChatTurn:
         """委托 InterviewAgent 生成访谈回复，并写入 Redis"""
-        responses = await self.interview_agent.generate_response_with_state(
+        turn = await self.interview_agent.generate_response_with_state(
             conversation_id=conversation_id,
             user_message=user_message,
             memoir_state=memoir_state,
             user_profile_context=user_profile_context,
         )
-        response_text = "\n\n".join(responses)
+        response_text = "\n\n".join(turn.messages)
         await self._save_messages(
             conversation_id=conversation_id,
             user_message=user_message,
@@ -240,7 +245,7 @@ class ChatOrchestrator:
             user_message_timestamp=user_message_timestamp,
             audio_duration_seconds=audio_duration_seconds,
         )
-        return responses
+        return turn
 
     def detect_user_stage(self, user_message: str) -> str:
         """委托 InterviewAgent 检测用户阶段"""