Convert admin components from Svelte 4 to Svelte 5 syntax using $props, $state, $derived, and $bindable runes. Simplifies AdminNavBar logic and improves type safety.
- Replace 802 instances of $grey- variables with $gray- across 106 files
- Remove legacy color aliases from variables.scss
- Maintain consistent naming convention throughout codebase
This completes the migration to the new color scale system.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
