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/lib/services/catalog-audit.ts

@@ -56,7 +56,11 @@ export 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;
@@ -715,6 +719,7 @@ export async function runCatalogAudit(
 				furniData: {
 					added: result.added,
 					removedDuplicates: result.removedDuplicates,
+					removedIdConflicts: result.removedIdConflicts,
 				},
 			});
 		} catch (err) {