# 对外 API：文件上传（原始字节 body）
# POST /rag/api/doc_upload.dspy?kb_id=X&file_name=Y   认证：cookie 会话或 Authorization: Bearer <dapi key>，RBAC logined 把关
# Content-Type: application/octet-stream，请求体即文件原始字节
from rag import api_core as C
_ns = dict(params_kw or {})
_file_data = await request.read()
_file_name = _ns.get('file_name', '') or 'upload.bin'
env = C.session_env(request)
return await C.doc_upload(env, _ns, _file_data, _file_name)