Fix TypeScript errors and implement furniture import ID integrity with 18+ age verification

- Add termsAccepted and ageVerified columns to User table
- Update register schema with new boolean fields
- Fix register form age verification checkbox (th -> t)
- Fix furni-import spriteId declaration order
- Fix batch route variable naming (id -> spriteId)
- Fix catalog-audit import path and ensure correct types
- Hardened import with per-item id conflict checks
- Added audit option for FurnitureData.json spriteId conflicts
- Updated tagline to include Leeftijdsvereiste: 18+

next.config.ts

@@ -52,8 +52,6 @@ const nextConfig: NextConfig = {
 		ignoreBuildErrors: false,
 	},
 
-	// Enable React Compiler for automatic memoization
-
 	// Compress responses with gzip/brotli
 	compress: true,