Shopyy Callback Sandbox

Receive endpoint: POST /api/inbox/createPayment

Proxy endpoint: POST /api/proxy/createPayment (transparent pass-through + logging)

Diagnose endpoint: GET /api/order/{order_id}/diagnose

Reply endpoint: POST /api/reply/{pending|require_verify|approved_2d|approved_3d|rejected|rejected_supplement}

Custom reply: POST /api/reply/custom

Logs dir: /www/wwwroot/paylog.cc2023.shop/logs