Fix FurnitureData.json spriteId conflict auto-repair

- Added spriteId conflict resolution to repairFurniData(): keeps first classname per id, removes conflicting entries
- Returns new removedIdConflicts count in repair result
- Updated audit event type and client UI to display removedIdConflicts
- Updated catalog-audit.ts event type and client state type
- When 'Repair FurnitureData.json' is checked, it now fixes id conflicts automatically

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

@@ -86,7 +86,11 @@ interface AuditEvent {
 	sqlCount?: number;
 	applied?: number;
 	sqlFailed?: number;
-	furniData?: { added: number; removedDuplicates: number };
+	furniData?: {
+		added: number;
+		removedDuplicates: number;
+		removedIdConflicts: number;
+	};
 	structure?: {
 		orphanedRemoved: number;
 		orphanedCleaned: number;
@@ -175,6 +179,7 @@ export function AuditClient() {
 	const [furniDataResult, setFurniDataResult] = useState<{
 		added: number;
 		removedDuplicates: number;
+		removedIdConflicts: number;
 	} | null>(null);
 	const [structureResult, setStructureResult] = useState<{
 		orphanedRemoved: number;
@@ -675,6 +680,15 @@ export function AuditClient() {
 											</span>
 										</>
 									)}
+									{furniDataResult.removedIdConflicts > 0 && (
+										<>
+											{" · "}
+											<span className="text-[var(--admin-warning)] font-medium">
+												{furniDataResult.removedIdConflicts} spriteId conflicts
+												fixed
+											</span>
+										</>
+									)}
 								</span>
 							</div>
 						)}