- index.html: Complete redesign with deep zinc-950 background, card-based dashboard, neon blue accents
- catalog.html: Full rewrite with dark theme, styled parameter tables with visible borders, tool cards
- playground.html: Full rewrite with dark theme, visible input fields, gradient Execute button with glow effect
- scaffold.html: CSS variables updated to dark theme (zinc-900 backgrounds, zinc-100 text, blue accents)
- ScaffoldingController.java: Added listModules API for dynamic module dropdown
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