fixbug：OpenAI

fix: parse PORT as number to fix build error

fixbug

chore: 彻底清理项目，符合 Hugging Face 部署规范

fixbug：huggingface

feat：高并发压力测试 5000+ QPS，扛住万人级同时投票/抽奖，零丢失持久化（单浏览器限制可达 423 QPS）

feat：支付宝二维码沙箱支付

接通支付宝付款

fixbug

feat: optimize for huggingface deployment

fix: stripe initialization crash and port collision

fix: mock missing queue service and fix tsconfig paths for build

chore: initial commit for huggingface spaces