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+

src/app/admin/import/audit/audit-client.tsx

@@ -155,6 +155,7 @@ export function AuditClient() {
 	const [applySql, setApplySql] = useState(false);
 	const [repairFurniData, setRepairFurniData] = useState(false);
 	const [repairStructure, setRepairStructure] = useState(false);
+	const [checkFurniDataIds, setCheckFurniDataIds] = useState(false);
 
 	const [issues, setIssues] = useState<AuditIssue[]>([]);
 	const [missingFromSources, setMissingFromSources] = useState<
@@ -421,6 +422,13 @@ export function AuditClient() {
 					>
 						Repair FurnitureData.json (add missing + dedupe)
 					</AuditCheckbox>
+					<AuditCheckbox
+						checked={checkFurniDataIds}
+						disabled={loading}
+						onChange={setCheckFurniDataIds}
+					>
+						Check FurnitureData.json for spriteId conflicts
+					</AuditCheckbox>
 					<AuditCheckbox
 						checked={repairStructure}
 						disabled={loading}