Move all button-related class utilities and types from formPrimitives to a new
ui/buttonPrimitives module. Update all component imports to reference the new
location, ensuring consistent button styling and easier future maintenance.
Remove redundant button code from formPrimitives and re-export as needed for
admin UI compatibility. Add public.css for landing and privacy layout styles.
update bottom padding on banners, status bars, and player controls to use
env(safe-area-inset-bottom) for better support on devices with display
cutouts or home indicators. also add viewportFit: cover to layout for
full-viewport rendering on mobile browsers.
Add ZIP-based user data download endpoint, enable AES-256 server-side S3 encryption for all stored documents and audiobooks. Rewrite privacy policy with detailed CCPA categories, service provider disclosures (Vercel/Neon/Railway), and user rights sections. Replace privacy modal with checkbox agreement flow.
