{"status":"success","message":"AJ Shop Worker Gateway 運行中","version":"2.0.0","available_endpoints":["POST /incomeOrder - 建立收款訂單（會員購買商品，12步驟流程）","POST /outcomeOrder - 建立出款訂單（賣家提款給供應商，簡化流程）","POST /payout - 建立出款訂單（完整8步驟：OpenAI生成→建立賣家→同步商品→建立供應商→付款方式→出款記錄→批准）","GET /health - 健康檢查","GET /admin/* - 管理端點（需要 API 金鑰）"],"documentation":"/docs/merchant-api.md"}