From 4ab60cc7a3f79d181605e3007a9c64528e27e1aa Mon Sep 17 00:00:00 2001
From: 134 <a134@134deMacBook-Pro.local>
Date: Sun, 5 Jul 2026 11:42:50 +0800
Subject: [PATCH] fix: ignore protected person direction in scale drafts

---
 app/api/canvas/local-edit/route.ts | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/app/api/canvas/local-edit/route.ts b/app/api/canvas/local-edit/route.ts
index c8e2fcb50..a2e8cab31 100644
--- a/app/api/canvas/local-edit/route.ts
+++ b/app/api/canvas/local-edit/route.ts
@@ -1103,6 +1103,18 @@ function getScaleAdjustVisualGuidePlacement(params: {
 function getScaleAdjustFocusDirection(region: NormalizedLocalEditRegion) {
   const text = normalizeScaleAdjustModelText(region.prompt);
   const compact = text.replace(/[^a-z0-9\u4e00-\u9fa5]+/g, "");
+  const protectedDirectionalPerson =
+    /(?:不要|别|勿|不改变|不能改变|不动|保持|保留|保护|非目标|do not|don't|dont|keep|preserve|without changing).{0,28}(?:left|right|左|右).{0,28}(?:person|people|human|woman|man|model|face|body|人物|人像|人|模特|女人|男人|脸|身体)/.test(
+      text
+    ) ||
+    /(?:left|right|左|右).{0,16}(?:person|people|human|woman|man|model|face|body|人物|人像|人|模特|女人|男人|脸|身体).{0,28}(?:不要|别|勿|不改变|不能改变|不动|保持|保留|保护|非目标|do not|don't|dont|keep|preserve|without changing)/.test(
+      text
+    ) ||
+    /(?:不要|别|勿|不改变|不能改变|不动|保持|保留|保护|非目标).{0,16}(?:左侧|右侧|左边|右边|左方|右方).{0,16}(?:人物|人像|人|模特|女人|男人|脸|身体)/.test(
+      compact
+    );
+
+  if (protectedDirectionalPerson) return "";
   if (text.includes("left") || compact.includes("左")) return "left";
   if (text.includes("right") || compact.includes("右")) return "right";
   if (text.includes("top") || compact.includes("上")) return "top";
@@ -4773,7 +4785,7 @@ export async function POST(request: NextRequest) {
         scaleAdjustPromptStrategy: isScaleAdjustOperation
           ? scaleAdjustPatchReference
             ? useScaleAdjustFullFrameStructurePatch
-              ? "full-frame-structure-locked-draft-v1-one-shot"
+              ? "full-frame-structure-locked-draft-v2-protected-direction-one-shot"
               : scaleAdjustPatchReference.structureLockedDraft
               ? "ai-patch-workspace-structure-locked-draft-v87-subject-alpha-clipped-one-shot"
               : "ai-patch-workspace-draft-v75-soft-wipe-erase-ghost-one-shot"