"""知识库上传占位：先落本地卷/对象存储占位。"""
from fastapi import APIRouter, UploadFile
from app.logging_config import get_trace_id

router = APIRouter()


@router.post("/upload")
async def upload_file(file: UploadFile):
    """上传知识库文件，占位落盘。"""
    # 占位：保存到 backend/uploads 或配置的存储
    return {"code": 0, "message": "ok", "data": {"filename": file.filename}, "trace_id": get_trace_id()}