From c9b6df55b06d837fd7ffb7f5a68e7739bafb9d3f Mon Sep 17 00:00:00 2001
From: 134 <a134@134deMacBook-Pro.local>
Date: Sun, 5 Jul 2026 11:19:24 +0800
Subject: [PATCH] fix: reduce scale adjust reference uploads

---
 app/api/canvas/local-edit/route.ts | 136 +++++++++++++++++------------
 1 file changed, 81 insertions(+), 55 deletions(-)

diff --git a/app/api/canvas/local-edit/route.ts b/app/api/canvas/local-edit/route.ts
index 66f2c0f35..c8e2fcb50 100644
--- a/app/api/canvas/local-edit/route.ts
+++ b/app/api/canvas/local-edit/route.ts
@@ -3080,6 +3080,7 @@ async function buildScaleAdjustVisualLayoutGuideBuffer(params: {
 }
 
 async function createScaleAdjustPatchReference(params: {
+  fullFrameReferenceOnly?: boolean;
   regions: NormalizedLocalEditRegion[];
   scalePercent?: ScaleAdjustPercent | null;
   sourceBuffer: Buffer;
@@ -3116,6 +3117,24 @@ async function createScaleAdjustPatchReference(params: {
     userId,
   });
   const targetDraftBuffer = targetDraftReference.buffer;
+  const suffix = `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
+  if (params.fullFrameReferenceOnly && structureLockAppliedRef.value) {
+    const targetDraftFullUpload = await uploadFile(
+      `canvas-scale-adjust-full-target-draft-${suffix}.png`,
+      toArrayBuffer(targetDraftBuffer)
+    );
+
+    return {
+      compositeClipMaskUrl: null,
+      sourceCropUrl: sourceImageUrl || targetDraftFullUpload.url,
+      structureLockedDraft: structureLockAppliedRef.value,
+      targetDraftFullUrl: targetDraftFullUpload.url,
+      targetDraftUrl: targetDraftFullUpload.url,
+      workspacePixelRect,
+      workspaceRect,
+    };
+  }
+
   const [sourceCropBuffer, targetDraftCropBuffer] = await Promise.all([
     sharp(sourceBuffer, { failOn: "none" })
       .extract(workspacePixelRect)
@@ -3126,7 +3145,6 @@ async function createScaleAdjustPatchReference(params: {
       .png({ compressionLevel: 6 })
       .toBuffer(),
   ]);
-  const suffix = `${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
   const [
     sourceCropUpload,
     targetDraftUpload,
@@ -4354,10 +4372,41 @@ export async function POST(request: NextRequest) {
       isScaleAdjustOperation &&
       !useScaleAdjustPatchWorkflow &&
       !useProviderTextOnlyCoordinatePrompt;
-    const annotatedBuffer = isScaleAdjustOperation
-      ? useScaleAdjustCoordinatePrompt
-        ? useScaleAdjustVisualLayoutGuide
-          ? (
+    const shouldUploadAnnotatedReference =
+      !isScaleAdjustOperation || sendScaleAdjustAnnotatedReferenceToModel;
+    const annotatedBuffer = shouldUploadAnnotatedReference
+      ? isScaleAdjustOperation
+        ? useScaleAdjustCoordinatePrompt
+          ? useScaleAdjustVisualLayoutGuide
+            ? (
+                await buildScaleAdjustVisualLayoutGuideBuffer({
+                  regions,
+                  scalePercent,
+                  sourceBuffer,
+                  sourceHeight,
+                  sourceWidth,
+                })
+              ).buffer
+            : useScaleAdjustMarkedPhotoGuide
+              ? await buildScaleAdjustMarkedPhotoGuideBuffer({
+                  height: sourceHeight,
+                  regions,
+                  scalePercent,
+                  sourceBuffer,
+                  width: sourceWidth,
+                })
+              : await sharp(
+                  buildScaleAdjustZoomedCoordinateSvg({
+                    height: sourceHeight,
+                    regions,
+                    scalePercent,
+                    width: sourceWidth,
+                  }),
+                  { failOn: "none" }
+                )
+                  .png({ compressionLevel: 6 })
+                  .toBuffer()
+          : (
               await buildScaleAdjustVisualLayoutGuideBuffer({
                 regions,
                 scalePercent,
@@ -4366,54 +4415,26 @@ export async function POST(request: NextRequest) {
                 sourceWidth,
               })
             ).buffer
-          : useScaleAdjustMarkedPhotoGuide
-            ? await buildScaleAdjustMarkedPhotoGuideBuffer({
-                height: sourceHeight,
-                regions,
-                scalePercent,
-                sourceBuffer,
-                width: sourceWidth,
-              })
-            : await sharp(
-              buildScaleAdjustZoomedCoordinateSvg({
-                height: sourceHeight,
-                regions,
-                scalePercent,
-                width: sourceWidth,
-              }),
-              { failOn: "none" }
-            )
-              .png({ compressionLevel: 6 })
-              .toBuffer()
-        : (
-            await buildScaleAdjustVisualLayoutGuideBuffer({
-              regions,
-              scalePercent,
-              sourceBuffer,
-              sourceHeight,
-              sourceWidth,
-            })
-          ).buffer
-      : await sharp(sourceBuffer, { failOn: "none" })
-          .composite([
-            {
-              input: buildAnnotationSvg({
-                height: sourceHeight,
-                hidePromptText: false,
-                regions,
-                width: sourceWidth,
-              }),
-              left: 0,
-              top: 0,
-            },
-          ])
-          .png({ compressionLevel: 6 })
-          .toBuffer();
+        : await sharp(sourceBuffer, { failOn: "none" })
+            .composite([
+              {
+                input: buildAnnotationSvg({
+                  height: sourceHeight,
+                  hidePromptText: false,
+                  regions,
+                  width: sourceWidth,
+                }),
+                left: 0,
+                top: 0,
+              },
+            ])
+            .png({ compressionLevel: 6 })
+            .toBuffer()
+      : null;
     const annotatedFilename = `${isScaleAdjustOperation ? "canvas-scale-adjust-layout-guide" : "canvas-local-edit"}-${Date.now()}-${Math.random().toString(36).slice(2, 8)}.png`;
-    const annotatedUpload = await uploadFile(
-      annotatedFilename,
-      toArrayBuffer(annotatedBuffer)
-    );
+    const annotatedUpload = annotatedBuffer
+      ? await uploadFile(annotatedFilename, toArrayBuffer(annotatedBuffer))
+      : null;
     const scaleAdjustEditMaskUpload = useScaleAdjustEditMask
       ? await uploadFile(
           `canvas-scale-adjust-edit-mask-${Date.now()}-${Math.random()
@@ -4437,6 +4458,11 @@ export async function POST(request: NextRequest) {
           sourceHeight,
           sourceImageUrl,
           sourceWidth,
+          fullFrameReferenceOnly:
+            useScaleAdjustStructureLockedPatchWorkflow &&
+            regions.some((region) =>
+              isScaleAdjustFurnitureProductLikePrompt(region.prompt)
+            ),
           userId: session.user.id,
         })
       : null;
@@ -4561,7 +4587,7 @@ export async function POST(request: NextRequest) {
             ]
         : [
           sourceImageUrl,
-          ...(sendScaleAdjustAnnotatedReferenceToModel
+          ...(sendScaleAdjustAnnotatedReferenceToModel && annotatedUpload?.url
             ? [annotatedUpload.url]
             : []),
           ...scaleAdjustCropReferenceImageUrls,
@@ -4630,7 +4656,7 @@ export async function POST(request: NextRequest) {
       debugLabel:
         operation === SCALE_ADJUST_OPERATION ? "canvas-scale-adjust" : "canvas-local-edit",
       debugMeta: {
-        annotatedReferenceUrl: annotatedUpload.url,
+        annotatedReferenceUrl: annotatedUpload?.url || null,
         annotatedReferenceSentToModel: sendScaleAdjustAnnotatedReferenceToModel,
         annotatedReferenceType: isScaleAdjustOperation
           ? useScaleAdjustFullFrameStructurePatch
@@ -4862,7 +4888,7 @@ export async function POST(request: NextRequest) {
 
     return NextResponse.json({
       success: true,
-      annotatedReferenceUrl: annotatedUpload.url,
+      annotatedReferenceUrl: annotatedUpload?.url || null,
       aspectRatio: resolvedAspectRatio,
       displayPrompt,
       prompt: displayPrompt,