# llm_project_cost_query.dspy — 按项目统计费用（2026-09-10 用户定夺）
# 入参 params_kw: org_id? / date_from? / date_to? / status?
# 出参: rows[{project_id, project_name, calls, cost, charge, req_tokens, resp_tokens}]
#       + summary{project_count, calls, cost, charge}
# project_id 过滤：不传/null = 不区分项目（全部分组都出）
# 非项目调用（哨兵 project_id='0'）归为「（非项目调用）」一组
uid = await get_user()
if not uid:
    return {"success": False, "message": "未登录"}
pk = dict(params_kw or {})
return json.loads(await llm_project_cost_query(pk))