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}

src/app/api/admin/import/audit/route.ts

@@ -18,6 +18,7 @@ export const POST = withAdmin(
 		let applySql = false;
 		let repairFurniData = false;
 		let repairStructure = false;
+		let checkFurniDataIds = false;
 		try {
 			const body = (await request.json().catch(() => ({}))) as {
 				repair?: unknown;
@@ -26,6 +27,7 @@ export const POST = withAdmin(
 				applySql?: unknown;
 				repairFurniData?: unknown;
 				repairStructure?: unknown;
+				checkFurniDataIds?: unknown;
 			};
 			repair = body.repair === true;
 			repairNitros = body.repairNitros === true;
@@ -33,6 +35,7 @@ export const POST = withAdmin(
 			applySql = body.applySql === true;
 			repairFurniData = body.repairFurniData === true;
 			repairStructure = body.repairStructure === true;
+			checkFurniDataIds = body.checkFurniDataIds === true;
 		} catch (err) {
 			logger.warn("Failed to parse audit request body", { err });
 		}
@@ -55,6 +58,7 @@ export const POST = withAdmin(
 						applySql,
 						repairFurniData,
 						repairStructure,
+						checkFurniDataIds,
 					});
 				} catch (err) {
 					send({