diff --git a/app/api/canvas/local-edit/route.ts b/app/api/canvas/local-edit/route.ts
index 16beca3de..a85c90dbd 100644
--- a/app/api/canvas/local-edit/route.ts
+++ b/app/api/canvas/local-edit/route.ts
@@ -869,7 +869,7 @@ 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="${SCALE_ADJUST_LAYOUT_GUIDE_WASH_COLOR}" fill-opacity="0.34" filter="url(#soft-wash)" />`;
+      return `<rect x="${left}" y="${top}" width="${Math.max(1, right - left)}" height="${Math.max(1, bottom - top)}" fill="${SCALE_ADJUST_LAYOUT_GUIDE_WASH_COLOR}" fill-opacity="0.56" filter="url(#soft-wash)" />`;
     })
     .join("");
 
@@ -1720,8 +1720,8 @@ export async function POST(request: NextRequest) {
           .length,
         scaleAdjustPromptStrategy: isScaleAdjustOperation
           ? useScaleAdjustCoordinateGuide
-            ? "same-name-locked-source-tight-muted-target-placement-hint-v35-one-shot"
-            : "locked-plate-tight-muted-target-placement-hint-v12"
+            ? "same-name-locked-source-tight-muted-target-placement-hint-v36-one-shot"
+            : "locked-plate-tight-muted-target-placement-hint-v13"
           : undefined,
         scaleAdjustPostCompositeApplied: false,
         scaleAdjustUsesFullFrameOutput: isScaleAdjustOperation,