🔒 Add password protection feature to hubs with authentication flow


📝 Update custom slug help text to remove ID suffix explanation


💄 Update example URL in hub form help text


✨ Add custom slug support for hub URLs with validation and UI


🔧 Tweak db config


🎨 Add empty state component with improved visual design for hub links


⬆️ Upgrade Ruby setup action to v1.241.0 and artifact upload to v4.6.2