{"status":"ok","service":"investment-dashboard API prototype v0.2.0 (local)","usage_zh":"POST /v1/analyze 提交交易记录、现金流水与估值价，返回持仓、双边FIFO已实现/未实现盈亏、TWR序列与现金流汇总；GET /v1/demo 获取演示数据集，可原样POST到/v1/analyze试算。除 / 和 /v1/demo 外，所有 /v1/* 接口需要 Authorization: Bearer <api_key>。","endpoints":["GET /","GET /v1/demo","POST /v1/analyze","POST /v1/admin/users","POST /v1/datasets","GET /v1/datasets","GET /v1/datasets/{id}","DELETE /v1/datasets/{id}"]}