- Channel select shows contextual info: Auto (server key), Public (no key), Custom (hidden) - Gold pulse highlight on custom channel input when selected - Smooth 0.4s animation with subtle glow effect - Updated encode.html and decode.html with data-fingerprint attributes 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>