增加了后端api喵~

src/api/message_router.py

@@ -0,0 +1,13 @@
+from fastapi import APIRouter
+from src.plugin_system.apis import message_api
+
+router = APIRouter()
+
+@router.get("/messages/recent")
+async def get_recent_messages(chat_id: str, limit: int = 10):
+    """
+    获取最近的聊天记录
+    """
+    # 假设 message_api.get_recent_messages 是一个异步函数
+    messages = await message_api.get_recent_messages(chat_id=chat_id, limit=limit)
+    return {"chat_id": chat_id, "messages": messages}