What's new
- fzf menus with preview panels (nixdash-style)
- Push all combines local .env + Vercel detection
- push-local / push-vercel split commands
- Keyboard shortcuts (^P push, ^L local, ^V vercel, ^D diff, ^B browse)
- Config page with preview descriptions
- Auto-detect ENVOY_REPO from git remote
- Auto vercel link with npx -y (no hang)
- Styled icons and separators in all menus