v0.13.0

Pluggable Theme System

This release adds a CSS-based theme system with runtime switching.

New Features

• 4 bundled themes: lcars (default), clarity, midnight, ninja
• Prefs app: Switch themes at runtime with instant preview
• CSS @ annotations: Theme metadata in CSS comment blocks
• Theme CLI commands: theme list, theme classes, theme audit

Documentation

• New themes.md resource with full theme customization guide
• Updated ui-themer skill for CSS format

Dependencies

• ui-engine v0.15.2
• change-tracker updated