v1.4.0: Cleaner Popup UI

Polish update: Removed debug clutter for a better user experience.

Improvements:

• 🧹 Removed debug textarea and copy button from popup
• ✨ Simplified tab reload flow
• 🎨 Cleaner, more professional interface
• ⚡ Faster reload operation with less visual clutter

Developer Impact:
Debug logging is still available via browser console (F12) when enabled through the popup checkbox.

This release makes the extension more user-friendly for everyday use.