From ffd13c0f314925148df9c7252d19527026b9fbee Mon Sep 17 00:00:00 2001
From: 134 <a134@134deMacBook-Pro.local>
Date: Thu, 2 Jul 2026 17:01:43 +0800
Subject: [PATCH] fix: keep scale adjust single model attempt

---
 app/api/canvas/local-edit/route.ts | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/app/api/canvas/local-edit/route.ts b/app/api/canvas/local-edit/route.ts
index 237214422..0432bb999 100644
--- a/app/api/canvas/local-edit/route.ts
+++ b/app/api/canvas/local-edit/route.ts
@@ -1743,6 +1743,7 @@ export async function POST(request: NextRequest) {
         }
       : undefined;
     const imageRequest: CanvasGenerateImageRequest = {
+      allowFailover: isScaleAdjustOperation ? false : undefined,
       aspectRatio: resolvedAspectRatio,
       billingFeature: "repaint",
       debugLabel:
@@ -1776,17 +1777,15 @@ export async function POST(request: NextRequest) {
           useScaleAdjustCoordinateGuide &&
           resolvedScaleAdjustModelEntry?.provider?.type === "fal-image",
         scaleAdjustProviderFallbackPolicy: isScaleAdjustOperation
-          ? scaleAdjustModelFamily
-            ? "same-name-service-error-only-fal-last"
-            : "default-model-failover"
+          ? "disabled-one-shot-single-model"
           : undefined,
         scaleAdjustQualityFailoverPolicy: isScaleAdjustOperation
           ? "disabled-reject-unchanged-ai-candidate"
           : undefined,
         scaleAdjustPreferSameNameProviderFailover:
-          isScaleAdjustOperation && Boolean(scaleAdjustModelFamily),
+          false,
         scaleAdjustStrictSameFamilyFailover:
-          isScaleAdjustOperation && Boolean(scaleAdjustModelFamily),
+          false,
         manualRegionReferenceImageCount: manualRegionReferenceImageUrls.length,
         regionReferenceImageCount:
           referenceImages.length,