diff --git a/app/api/canvas/local-edit/route.ts b/app/api/canvas/local-edit/route.ts
index 259fec9d6..aa3d169a6 100644
--- a/app/api/canvas/local-edit/route.ts
+++ b/app/api/canvas/local-edit/route.ts
@@ -2404,34 +2404,6 @@ async function buildScaleAdjustRmbgStructureLockedComposite(params: {
       width: cutoutWidth,
     });
     if (!highConfidenceCutoutBbox) return null;
-    const refinedCutoutRaw = await applyScaleAdjustAlphaMaskToRgba({
-      alphaMask: highConfidenceCutoutMask,
-      height: cutoutHeight,
-      rawRgba: cleanedRaw,
-      width: cutoutWidth,
-    });
-    const cleanedCutout = await sharp(refinedCutoutRaw, {
-      raw: { channels: 4, height: cutoutHeight, width: cutoutWidth },
-    })
-      .png({ compressionLevel: 6 })
-      .toBuffer();
-    const alphaBbox = getScaleAdjustAlphaBoundingBox({
-      height: cutoutHeight,
-      rawRgba: refinedCutoutRaw,
-      width: cutoutWidth,
-    });
-    if (!alphaBbox) return null;
-
-    const alphaRatio = alphaBbox.count / Math.max(1, cutoutWidth * cutoutHeight);
-    const bboxCoversCanvas =
-      alphaBbox.width >= cutoutWidth * 0.97 &&
-      alphaBbox.height >= cutoutHeight * 0.97;
-    if (
-      alphaRatio < SCALE_ADJUST_RMBG_MIN_ALPHA_RATIO ||
-      (alphaRatio > SCALE_ADJUST_RMBG_MAX_SOLID_ALPHA_RATIO && bboxCoversCanvas)
-    ) {
-      return null;
-    }
 
     const fullAlphaMask = Buffer.from(highConfidenceCutoutMask);
     const sourceMaskBuffer = sameSizeCutout
@@ -2464,15 +2436,68 @@ async function buildScaleAdjustRmbgStructureLockedComposite(params: {
       maskBuffer: sourceMaskBuffer,
       threshold: 96,
     });
+    const protectedPersonMask =
+      protectedPersonSide && sameSizeCutout && sourceCropRaw
+        ? validateScaleAdjustProtectedPersonMask({
+            box: { width: cutoutWidth, height: cutoutHeight },
+            mask: buildScaleAdjustProtectedPersonSeedMask({
+              box: { left: 0, top: 0, width: cutoutWidth, height: cutoutHeight },
+              raw: sourceCropRaw,
+              side: protectedPersonSide,
+              width: cutoutWidth,
+            }),
+          })
+        : null;
     const filteredSourceMask = filterScaleAdjustStructureComponents({
       box: placement.sourceBox,
       mask: highConfidenceSourceMask,
+      protectedPersonMask,
+      protectedPersonSide,
     });
     const filteredSourceBbox = getScaleAdjustMaskBoundingBox({
       height: placement.sourceBox.height,
       mask: filteredSourceMask,
       width: placement.sourceBox.width,
     });
+    const overlayAlphaMask =
+      sameSizeCutout && filteredSourceBbox
+        ? filteredSourceMask
+        : highConfidenceCutoutMask;
+    const overlayAlphaBbox = getScaleAdjustMaskBoundingBox({
+      height: cutoutHeight,
+      mask: overlayAlphaMask,
+      width: cutoutWidth,
+    });
+    if (!overlayAlphaBbox) return null;
+    const refinedCutoutRaw = await applyScaleAdjustAlphaMaskToRgba({
+      alphaMask: overlayAlphaMask,
+      height: cutoutHeight,
+      rawRgba: cleanedRaw,
+      width: cutoutWidth,
+    });
+    const cleanedCutout = await sharp(refinedCutoutRaw, {
+      raw: { channels: 4, height: cutoutHeight, width: cutoutWidth },
+    })
+      .png({ compressionLevel: 6 })
+      .toBuffer();
+    const alphaBbox = getScaleAdjustAlphaBoundingBox({
+      height: cutoutHeight,
+      rawRgba: refinedCutoutRaw,
+      width: cutoutWidth,
+    });
+    if (!alphaBbox) return null;
+
+    const alphaRatio =
+      overlayAlphaBbox.count / Math.max(1, cutoutWidth * cutoutHeight);
+    const bboxCoversCanvas =
+      overlayAlphaBbox.width >= cutoutWidth * 0.97 &&
+      overlayAlphaBbox.height >= cutoutHeight * 0.97;
+    if (
+      alphaRatio < SCALE_ADJUST_RMBG_MIN_ALPHA_RATIO ||
+      (alphaRatio > SCALE_ADJUST_RMBG_MAX_SOLID_ALPHA_RATIO && bboxCoversCanvas)
+    ) {
+      return null;
+    }
     const sourceWashBaseMask = filteredSourceBbox
       ? solidifyScaleAdjustStructureMask({
           box: placement.sourceBox,
@@ -2582,9 +2607,13 @@ async function buildScaleAdjustRmbgStructureLockedComposite(params: {
       alphaRatio: Number(alphaRatio.toFixed(3)),
       cutoutHeight,
       cutoutWidth,
+      filteredAlphaRatio: Number(
+        (overlayAlphaBbox.count / Math.max(1, cutoutWidth * cutoutHeight)).toFixed(3)
+      ),
       placedHeight,
       placedWidth,
       protectedPersonSide,
+      protectedPersonMaskApplied: Boolean(protectedPersonMask),
       sameSizeCutout,
       alphaBandingStats,
       sourceHeight: placement.sourceBox.height,
@@ -5229,7 +5258,7 @@ export async function POST(request: NextRequest) {
         scaleAdjustPromptStrategy: isScaleAdjustOperation
             ? scaleAdjustPatchReference
               ? useScaleAdjustProductLockComposite
-              ? "product-lock-background-plate-rmbg-v1-one-shot"
+              ? "product-lock-background-plate-rmbg-v2-source-patch-one-shot"
               : useScaleAdjustFullFrameStructurePatch
               ? "full-frame-source-locked-target-guide-v8-one-shot"
               : scaleAdjustPatchReference.structureLockedDraft
@@ -5251,7 +5280,8 @@ export async function POST(request: NextRequest) {
           : undefined,
         scaleAdjustPostCompositeApplied:
           Boolean(scaleAdjustPatchReference) &&
-          !useScaleAdjustFullFrameStructurePatch,
+          (!useScaleAdjustFullFrameStructurePatch ||
+            useScaleAdjustProductLockComposite),
         scaleAdjustUsesFullFrameOutput:
           isScaleAdjustOperation &&
           (!scaleAdjustPatchReference || useScaleAdjustFullFrameStructurePatch),
@@ -5291,7 +5321,27 @@ export async function POST(request: NextRequest) {
         ? { maskImageUrl: scaleAdjustEditMaskUpload.url }
         : undefined,
       referenceImages,
-      scaleAdjustPatchComposite: scaleAdjustPatchReference && !useScaleAdjustFullFrameStructurePatch
+      scaleAdjustPatchComposite: useScaleAdjustProductLockComposite
+        ? {
+            diffAlphaCutoff: 18,
+            diffAlphaMultiplier: 2.6,
+            diffCompareBlurPx: 1.1,
+            diffHighThreshold: 64,
+            diffLowThreshold: 20,
+            featherMaxPx: 34,
+            featherMinPx: 8,
+            featherRatio: 0.015,
+            generatedFrame: "full",
+            maskMode: "diff",
+            regions: scaleAdjustPatchCompositeRegions,
+            sourceImageUrl,
+            clipMaskImageUrl:
+              scaleAdjustPatchReference?.compositeClipMaskUrl || undefined,
+            workspaceRegion:
+              (scaleAdjustPatchReference as ScaleAdjustPatchReference)
+                .workspaceRect,
+          }
+        : scaleAdjustPatchReference && !useScaleAdjustFullFrameStructurePatch
         ? {
             diffAlphaCutoff:
               scaleAdjustPatchReference.structureLockedDraft ? 24 : 8,