feat(memoir): 回忆录分段两阶段管线（Phase1 分类 / Phase2 叙事）与配置、测试

api/app/features/conversation/ws/router.py

@@ -12,6 +12,7 @@ from fastapi import WebSocket, WebSocketDisconnect, status
 from starlette.websockets import WebSocketState
 
 from app.agents.chat.background_voice import infer_background_voice
+from app.agents.stage_constants import STAGE_TO_ORDER
 from app.agents.chat.prompts_profile import format_user_profile_context
 from app.core.db import AsyncSessionLocal
 from app.core.dependencies import get_asr_provider
@@ -140,6 +141,19 @@ async def websocket_endpoint(
                 )
                 return
 
+            # 冷启动对齐 conversation_stage 与 MemoirState.current_stage；
+            # 若对话行已有更靠前的人生阶段（STAGE_TO_ORDER 更大），不覆盖以免回退。
+            memoir_state = await get_or_create_state(user_id, db)
+            ms = (memoir_state.current_stage or "").strip()
+            cs = (conversation.conversation_stage or "").strip()
+            if ms:
+                if not cs:
+                    conversation.conversation_stage = ms
+                elif STAGE_TO_ORDER.get(ms, -1) >= STAGE_TO_ORDER.get(cs, -1):
+                    conversation.conversation_stage = ms
+            await db.commit()
+            await db.refresh(conversation)
+
             history = await conversation_service.ensure_redis_history_from_db(
                 conversation_id
             )
@@ -180,7 +194,7 @@ async def websocket_endpoint(
                         logger.error(f"发送资料收集开场白失败: {e}", exc_info=True)
                 else:
                     try:
-                        state = await get_or_create_state(user_id, db)
+                        state = memoir_state
                         user_profile_context = format_user_profile_context(
                             birth_year=user.birth_year,
                             birth_place=user.birth_place,