Serve portal payment assets under portal route

Add per-device portal payment options

Add tenant token management endpoints

plan leak fix, manual sales, payment status support, manual sms template and docs

Add tenant direct payment token sales

reduce log noise and add targeted debug logs

feat(logging): full Omada request/response logging and HTTP request logger

Fix trust proxy for HF reverse proxy; fix mysql_install_db --user flag

Initial commit — multi-tenant WiFi hotspot monetization platform