v1.6.0

Features

• New Favorites tab: favorite ports by port number, drag to reorder, per-favorite inline notes
• Favorite toggle (☆/★) in the port card menu
• Clicking the service icon on a favorite card opens the service directly
• Favorites page stays in sync when port data changes (hide, rename, refresh)

Fixes

• Roll back local favorite state if saving to the server fails, preventing divergence