From 67b526408aefa3e0c8d4efa002865f47570da4ff Mon Sep 17 00:00:00 2001
From: 134 <a134@134deMacBook-Pro.local>
Date: Tue, 7 Jul 2026 22:21:15 +0800
Subject: [PATCH] fix: use repair opacity mask for product lock scale composite

---
 app/api/canvas/local-edit/route.ts | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/app/api/canvas/local-edit/route.ts b/app/api/canvas/local-edit/route.ts
index e75986ff7..8b77d297d 100644
--- a/app/api/canvas/local-edit/route.ts
+++ b/app/api/canvas/local-edit/route.ts
@@ -3909,6 +3909,13 @@ async function createScaleAdjustPatchReference(params: {
             toArrayBuffer(targetDraftReference.productLockProtectMaskBuffer)
           )
         : null;
+      const productLockBackgroundRepairMaskUpload =
+        targetDraftReference.productLockBackgroundRepairMaskBuffer
+          ? await uploadFile(
+              `canvas-scale-adjust-product-lock-background-repair-mask-${suffix}.png`,
+              toArrayBuffer(targetDraftReference.productLockBackgroundRepairMaskBuffer)
+            )
+          : null;
       const productLockEditMaskUpload = await uploadFile(
         `canvas-scale-adjust-product-lock-edit-mask-${suffix}.png`,
         toArrayBuffer(targetDraftReference.productLockEditMaskBuffer)
@@ -3923,7 +3930,8 @@ async function createScaleAdjustPatchReference(params: {
       return {
         backgroundPlateFullUrl: null,
         compositeClipMaskUrl: null,
-        productLockBackgroundRepairMaskUrl: null,
+        productLockBackgroundRepairMaskUrl:
+          productLockBackgroundRepairMaskUpload?.url || null,
         productLockMethod: "rmbg-cutout",
         productLockEditMaskUrl: productLockEditMaskUpload.url,
         productLockFalEditMaskUrl: productLockFalEditMaskUpload?.url || null,
@@ -5700,7 +5708,6 @@ export async function POST(request: NextRequest) {
     const scaleAdjustProductLockRepairClipMaskUrl =
       useScaleAdjustProductLockComposite && useScaleAdjustProductLockMaskEdit
         ? scaleAdjustPatchReference?.productLockBackgroundRepairMaskUrl ||
-          scaleAdjustPatchReference?.productLockEditMaskUrl ||
           scaleAdjustPatchReference?.compositeClipMaskUrl ||
           undefined
         : scaleAdjustPatchReference?.compositeClipMaskUrl || undefined;