feat: add check step to Clippy workflow
feat: add build step for web assets in Clippy workflow
fix: set NODE_OPTIONS for web asset build to prevent memory issues
- All delay test logic, Rust MihomoManager, API, cmds, delay.ts, settings, and group editor now use the Cloudflare 204 test URL
- Fixed outdated URLs in docs and comments
- Fix Github Actions workflow: unexpected neeeds run