fix(startup): skip default OpenAI client init when OPENAI_API_KEY is absent

fix: do not block startup when OPENAI_API_KEY is missing

Revert "fix: do not block startup when OPENAI_API_KEY is missing"

fix: do not block startup when OPENAI_API_KEY is missing

chore: expose runtime log envs and clarify HF env setup

feat: add 20min timeout defaults and stream upstream AI requests

重构取消与重试流程（Space兼容）

更新版本1.2

新增二次编辑功能

增加自定义提示词管理系统 超时默认为10分钟 优化UI

Clean deploy