- add rpc node purpose support for general/manual_verify/both
- keep scan, WSS and health checks away from manual_verify nodes
- fallback manual hash verification from general RPC to manual_verify RPC
- add public cashier hash submission path and errno responses
- update tests for RPC selection, failover and manual payment flows
- redirect `/pay/checkout-counter/:trade_id` to `/cashier/:trade_id`
- add `/pay/checkout-counter-resp/:trade_id` for checkout JSON payload
- remove embedded `static` release and keep `www` as the web bundle source
- regenerate PWA/www assets and move chain icons to `/www/images/chains`
- keep install-mode root redirect to /install and add tests covering install root redirect and install page serving
- change root backend handler from Any("/") to POST("/") so GET / can consistently serve the SPA after install
Co-authored-by: Copilot <copilot@github.com>
- skip SPA fallback for `/install` and `/install/*` in main server
- keep install wizard accessible only during `RunInstallServer` phase
- prevent post-install access to install UI
- Rewrite Solana scanner: stateless scan with processed-signature cache, query wallet + USDT ATA + USDC ATA addresses to cover all SPL transfers
- Add network field to transaction_lock (4-tuple unique index) and order flow
- Add wallet management endpoints (add/list/get/status/delete) with token auth
- Add network info to Telegram payment notification
- Add USDC hint to test script GMPay prompt
- Add API docs and Solana scanning docs
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