feat：新增对话历史列表

app/api/conversations.py

@@ -1,11 +1,17 @@
 """会话创建与历史查询接口"""
 
-from fastapi import APIRouter, Depends, Request
+from typing import Annotated
+
+from fastapi import APIRouter, Depends, Query, Request
 
 from app.common.response import ApiResponse, success_response
 from app.core.auth import get_current_user
 from app.core.exceptions import BizException
-from app.schemas.conversation import ConversationCreated, ConversationDetail
+from app.schemas.conversation import (
+    ConversationCreated,
+    ConversationDetail,
+    ConversationList,
+)
 from app.schemas.user import CurrentUser
 
 router = APIRouter(prefix="/conversations", tags=["Conversation"])
@@ -21,6 +27,19 @@ async def create_conversation(
     )
 
 
+@router.get("")
+async def list_conversations(
+    request: Request,
+    user: Annotated[CurrentUser, Depends(get_current_user)],
+    limit: Annotated[int, Query(ge=1, le=100)] = 20,
+    offset: Annotated[int, Query(ge=0)] = 0,
+) -> ApiResponse[ConversationList]:
+    store = request.app.state.conversation_store
+    return success_response(
+        ConversationList(conversations=await store.list_by_user(user.id, limit, offset))
+    )
+
+
 @router.get("/{conversation_id}")
 async def get_conversation(
     conversation_id: str,