Reconcile offer_id after every import

After each single or batch import, walk all catalog items under the
Imported Furniture tree and set offer_id to the furnidata sprite id,
repairing any stale values (e.g. legacy -1 rows). Reports how many
rows were fixed in the API response.

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

@@ -19,6 +19,7 @@ import {
 	ensureDirectories,
 	IMPORTED_PAGE_CAPTION_SAVE,
 	importSingleFurni,
+	reconcileImportedOfferIds,
 	resetCatalogPageCache,
 } from "@/lib/services/furni-import";
 import { getOfficialHabboFurnidata } from "@/lib/services/habbo-furnidata-cache";
@@ -403,10 +404,19 @@ export const POST = withAdmin(
 				);
 			}
 
+			// Reconcile offer_id with the furnidata sprite id across the tree
+			const reconciled = await reconcileImportedOfferIds();
+
 			const succeeded = results.filter((r) => r.ok).length;
 			const failed = results.filter((r) => !r.ok).length;
 
-			return apiOk({ batch: true, succeeded, failed, results });
+			return apiOk({
+				batch: true,
+				succeeded,
+				failed,
+				results,
+				offerIdsFixed: reconciled.fixed,
+			});
 		}
 
 		// ── Single import ────────────────────────────────────────────────
@@ -455,6 +465,9 @@ export const POST = withAdmin(
 			result.warnings.push("RCON cache refresh failed");
 		}
 
+		// Reconcile offer_id with the furnidata sprite id across the tree
+		const reconciled = await reconcileImportedOfferIds();
+
 		logAudit({
 			userId: ctx.session.user.id,
 			action: "furni_import",
@@ -475,9 +488,9 @@ export const POST = withAdmin(
 		return apiOk({
 			id: result.itemId,
 			catalogItemId: result.catalogItemId,
-			dimensions: result.dimensions,
+			offerIdsFixed: reconciled.fixed,
 			spriteCount: result.spriteCount,
-			warnings: result.warnings.length > 0 ? result.warnings : undefined,
+			warnings: result.warnings,
 		});
 	},
 );

src/lib/services/furni-import.ts

@@ -284,6 +284,25 @@ export function resetCatalogPageCache(): void {
 	categoryCacheTimestamp = 0;
 }
 
+/**
+ * Walk every catalog item under the "Imported Furniture" tree and make its
+ * offer_id match the furnidata sprite id (item_ids). Fixes any stale values
+ * (e.g. legacy -1 rows) after an import.
+ */
+export async function reconcileImportedOfferIds(): Promise<{
+	fixed: number;
+}> {
+	const parentId = await getOrCreateImportedParentPage();
+	const [result] = (await db.execute(sql`
+    UPDATE catalog_items ci
+    JOIN catalog_pages cp ON cp.id = ci.page_id
+    SET ci.offer_id = CAST(ci.item_ids AS UNSIGNED)
+    WHERE cp.parent_id = ${parentId}
+      AND ci.offer_id <> CAST(ci.item_ids AS UNSIGNED)
+  `)) as unknown as [Record<string, unknown>, unknown];
+	return { fixed: Number(result.affectedRows ?? 0) };
+}
+
 /**
  * Allocate the next `catalog_items.id` and run the INSERT through a
  * process-level async mutex so concurrent imports in the same Node process