快速编辑直接覆盖原图

将图片快速编辑提交切到 /api/editor/images/edits，并用结果回写源图层

保留重绘作为右侧新结果图层，角色重绘继续走 character 生成契约

更新快速编辑文档和定向回归测试

src/components/image-editor/ImageCanvasGenerationLayerModel.ts

@@ -238,6 +238,43 @@ export function createQuickEditResultLayer({
   );
 }
 
+export function applyImageEditResultToSourceLayer({
+  generated,
+  sourceLayer,
+  generationInputs,
+}: {
+  generated: EditorImageGenerationResult;
+  sourceLayer: CanvasLayer;
+  generationInputs: CanvasGenerationInputs;
+}): CanvasLayer {
+  const originalWidth =
+    generated.width || sourceLayer.originalWidth || sourceLayer.width;
+  const originalHeight =
+    generated.height || sourceLayer.originalHeight || sourceLayer.height;
+  const { width, height } = resolveLayerResolutionSize(
+    originalWidth,
+    originalHeight,
+    {
+      width: sourceLayer.width,
+      height: sourceLayer.height,
+    },
+  );
+  return applyGeneratedMetadata(
+    {
+      ...sourceLayer,
+      src: generated.imageSrc,
+      width,
+      height,
+      originalWidth,
+      originalHeight,
+      sourceType: generated.sourceType,
+      sourceResourceId: sourceLayer.resourceId,
+    },
+    generated,
+    generationInputs,
+  );
+}
+
 export function createIconSpritesheetResultLayers({
   generated,
   iconResults,