update: change admin auth-key password

restore ai review preflight

Merge branch 'fork/Jimmy-Bots/cf-backup'

Add global system prompt

add default config in config.json

Add configurable image poll timeout

Add request content filtering

Add rate-limited account removal setting

Add registration runner UI

增加图片管理、日志管理，优化敏感词等场景

Update config and management UI

Add configurable image base URL handling

Refactor settings config and simplify proxy setup

Create config.json