fix: send only target draft for scale patch

app/api/canvas/local-edit/route.ts

@@ -997,7 +997,7 @@ function buildScaleAdjustSourceFootprintWashSvg(params: {
       const top = Math.max(0, box.top - blur);
       const right = Math.min(width, box.left + box.width + blur);
       const bottom = Math.min(height, box.top + box.height + blur);
-      return `<rect x="${left}" y="${top}" width="${Math.max(1, right - left)}" height="${Math.max(1, bottom - top)}" fill="${SCALE_ADJUST_LAYOUT_GUIDE_WASH_COLOR}" fill-opacity="0.96" filter="url(#soft-wash)" />`;
+      return `<rect x="${left}" y="${top}" width="${Math.max(1, right - left)}" height="${Math.max(1, bottom - top)}" fill="${SCALE_ADJUST_LAYOUT_GUIDE_WASH_COLOR}" fill-opacity="0.985" filter="url(#soft-wash)" />`;
     })
     .join("");
 
@@ -2058,7 +2058,7 @@ function buildScaleAdjustPatchPrompt(
   const firstInputRole = targetDraftPrimary
     ? includeSourceReference
       ? "Input image 1 is the rough edited target-layout crop. It is the hard layout target: the selected furniture size and center in the final output must match this draft, but the rough wash, ghosted old footprint, placeholder shadow, blur, and patch artifacts must be cleaned."
-      : "Input image 1 is the rough edited target-layout crop and the only crop base. It is the hard layout target: the selected furniture size and center in the final output must match this draft. Clean away the rough wash, ghosted old footprint, placeholder shadow, blur, and patch artifacts."
+      : "Input image 1 is the rough edited target-layout crop and the only visual reference. It is the hard layout target: the selected furniture size and center in the final output must match this draft. Clean away the rough wash, ghosted old footprint, placeholder shadow, blur, and patch artifacts."
     : "Input image 1 is the exact crop from the original photo and is the locked crop base.";
   const secondInputRole = targetDraftPrimary
     ? includeSourceReference
@@ -2120,7 +2120,7 @@ function buildScaleAdjustPatchPrompt(
     targetDraftPrimary
       ? includeSourceReference
         ? "中文硬约束：输入图1是目标大小/位置草稿，必须按它的小尺寸家具布局输出；输入图2只是原始质感和背景参考，绝对不要把家具恢复成输入图2里的旧大尺寸。只输出同一裁切范围的干净局部照片，去掉草稿中的泛白、残影和拼接感。"
-        : "中文硬约束：输入图1是唯一的裁切底图和目标大小/位置草稿，必须按它的小尺寸家具布局输出；后续家具识别图只看材质形状，不看旧尺寸。只输出同一裁切范围的干净局部照片，去掉草稿中的泛白、残影和拼接感。"
+        : "中文硬约束：输入图1是唯一视觉参考和目标大小/位置草稿，必须按它的小尺寸家具布局输出。不要找回旧尺寸家具。只输出同一裁切范围的干净局部照片，去掉草稿中的泛白、残影和拼接感。"
       : "中文硬约束：只输出输入图1同一裁切范围的干净局部照片；输入图2是目标大小/位置草稿，必须按它的小尺寸家具布局输出，不是要保留旧尺寸。目标家具必须相对原图产生明显比例变化，非目标背景和裁切边缘要稳定自然。",
     "",
     "Region instructions:",
@@ -2397,11 +2397,11 @@ export async function POST(request: NextRequest) {
       : null;
     const shouldCreateScaleAdjustCropReferences =
       isScaleAdjustOperation &&
-      (useScaleAdjustPatchWorkflow ||
+      (!scaleAdjustPatchReference &&
-        useScaleAdjustVisualLayoutGuide ||
+        (useScaleAdjustVisualLayoutGuide ||
         !useScaleAdjustCoordinatePrompt ||
         useProviderTextOnlyCoordinatePrompt ||
-        (useScaleAdjustMarkedPhotoGuide && !useFalScaleAdjustCoordinatePrompt));
+          (useScaleAdjustMarkedPhotoGuide && !useFalScaleAdjustCoordinatePrompt)));
     const scaleAdjustCropReferences: ScaleAdjustCropReference[] =
       shouldCreateScaleAdjustCropReferences
         ? await createScaleAdjustCropReferences({