- Sync preload script font sizes to match app.js (21/25/17px)
- Send button variants now show icons: ↑ Send, 📝 Note, ⚡ Run
- Remove fixed width on send-col; add white-space:nowrap + padding
so "📝 Note" never wraps regardless of font size
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>