修复图片改造尺寸保持

保持图片改造提交与画布回填的原图尺寸
在 VectorEngine 边界对齐非 16 倍数参考图并恢复目标尺寸
补充前后端回归测试与编辑器尺寸契约文档

src/components/image-editor/ImageCanvasGenerationLayerModel.test.ts

@@ -287,8 +287,8 @@ describe('ImageCanvasGenerationLayerModel', () => {
     const sourceLayer = createSourceLayer({
       width: 320,
       height: 240,
-      originalWidth: 1024,
-      originalHeight: 768,
+      originalWidth: 1537,
+      originalHeight: 1025,
     });
     const layer = applyImageEditResultToSourceLayer({
       generated: createGenerated({
@@ -313,10 +313,10 @@ describe('ImageCanvasGenerationLayerModel', () => {
       id: 'layer-source',
       title: '源图',
       src: 'data:image/png;base64,edited',
-      width: 1536,
-      height: 1024,
-      originalWidth: 1536,
-      originalHeight: 1024,
+      width: 320,
+      height: 240,
+      originalWidth: 1537,
+      originalHeight: 1025,
       resourceId: 'resource-edited',
       sourceResourceId: 'resource-source',
       objectKey: 'generated/edited.png',

src/components/image-editor/ImageCanvasGenerationLayerModel.ts

@@ -247,18 +247,10 @@ export function applyImageEditResultToSourceLayer({
   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,
-    },
-  );
+  const originalWidth = sourceLayer.originalWidth || sourceLayer.width;
+  const originalHeight = sourceLayer.originalHeight || sourceLayer.height;
+  const width = sourceLayer.width;
+  const height = sourceLayer.height;
   return applyGeneratedMetadata(
     {
       ...sourceLayer,

src/components/image-editor/ImageCanvasGenerationSubmissionModel.test.ts

@@ -122,6 +122,8 @@ describe('ImageCanvasGenerationSubmissionModel', () => {
     const sourceLayer = createLayer({
       objectKey: 'generated-character-drafts/editor/source.png',
       assetKind: 'character',
+      originalWidth: 1537,
+      originalHeight: 1025,
     });
 
     const plan = buildImageGenerationSubmissionPlan({
@@ -150,7 +152,7 @@ describe('ImageCanvasGenerationSubmissionModel', () => {
       normalizedPrompt: '把当前图改成雨天',
       sourceLayer,
       editInput: {
-        size: '1024x768',
+        size: '1537x1025',
         model: IMAGE_MODEL_GPT_IMAGE_2,
       },
       result: {

src/components/image-editor/ImageCanvasGenerationSubmissionModel.ts

@@ -41,11 +41,8 @@ import {
   DEFAULT_VIDEO_WEB_SEARCH_ENABLED,
   ICON_DESCRIPTION_LIMIT,
   IMAGE_MODEL_GPT_IMAGE_2,
-  inferEditorImageAspectRatio,
-  inferEditorImageSizeLabel,
   normalizeEditorImageModel,
   resolveCharacterAnimationSourceImageSrc,
-  resolveEditorImageGenerationPixelSize,
   SEEDANCE_VIDEO_REFERENCE_LIMITS,
   SPEC_GENERATION_ASPECT_RATIO,
   SPEC_GENERATION_IMAGE_SIZE,
@@ -260,29 +257,12 @@ export function buildImageGenerationSubmissionPlan({
     const basePrompt = dialog.prompt.trim() || '快速编辑图片';
     const normalizedQuickEditPrompt = basePrompt;
     const imageModel = IMAGE_MODEL_GPT_IMAGE_2;
-    const aspectRatio =
-      dialog.aspectRatio ??
-      inferEditorImageAspectRatio(
-        sourceLayer.originalWidth,
-        sourceLayer.originalHeight,
-      );
-    const imageSize =
-      dialog.imageSize ??
-      inferEditorImageSizeLabel(
-        sourceLayer.originalWidth,
-        sourceLayer.originalHeight,
-      );
-    const outputSize = resolveEditorImageGenerationPixelSize({
-      model: imageModel,
-      aspectRatio,
-      imageSize,
-    });
     return {
       kind: 'quick-edit',
       normalizedPrompt: normalizedQuickEditPrompt,
       sourceLayer,
       editInput: {
-        size: `${outputSize.width}x${outputSize.height}`,
+        size: `${sourceLayer.originalWidth}x${sourceLayer.originalHeight}`,
         model: imageModel,
       },
       result: {

src/components/image-editor/useImageCanvasGenerationSubmissionWorkflow.test.tsx

@@ -535,7 +535,13 @@ describe('useImageCanvasGenerationSubmissionWorkflow', () => {
     editEditorImageMock.mockResolvedValueOnce(
       createGenerated({ prompt: '快速修图' }),
     );
-    render(<SubmissionWorkflowHarness />);
+    render(
+      <SubmissionWorkflowHarness
+        initialLayers={[
+          createLayer({ originalWidth: 1537, originalHeight: 1025 }),
+        ]}
+      />,
+    );
 
     fireEvent.click(screen.getByRole('button', { name: '打开快速编辑' }));
     fireEvent.click(screen.getByRole('button', { name: '填写快速编辑' }));
@@ -550,7 +556,7 @@ describe('useImageCanvasGenerationSubmissionWorkflow', () => {
         expect.objectContaining({
           prompt: '快速修图',
           sourceImageSrc: 'resource-source',
-          size: '1024x768',
+          size: '1537x1025',
           model: 'gpt-image-2',
         }),
       );

src/components/image-editor/useImageCanvasGenerationSubmissionWorkflow.ts

@@ -1268,12 +1268,11 @@ export function useImageCanvasGenerationSubmissionWorkflow({
         quickEditSourceLayer.originalWidth,
         quickEditSourceLayer.originalHeight,
       );
-    const quickEditOutputSize = resolveEditorImageGenerationPixelSize({
-      model: quickEditPanel.model,
-      aspectRatio: quickEditAspectRatio,
-      imageSize: quickEditImageSize,
-    });
-    const quickEditSize = `${quickEditOutputSize.width}x${quickEditOutputSize.height}`;
+    const quickEditOutputSize = {
+      width: quickEditSourceLayer.originalWidth,
+      height: quickEditSourceLayer.originalHeight,
+    };
+    const quickEditSize = `${quickEditSourceLayer.originalWidth}x${quickEditSourceLayer.originalHeight}`;
     const basePrompt =
       quickEditPanel.prompt.trim() ||
       (panelMode === 'redraw' ? '重绘图片' : '快速编辑图片');
@@ -1678,6 +1677,7 @@ export function useImageCanvasGenerationSubmissionWorkflow({
             editEditorImage({
               prompt: submissionPlan.normalizedPrompt,
               sourceImageSrc: referenceImageSrc,
+              size: `${submissionPlan.sourceLayer.originalWidth}x${submissionPlan.sourceLayer.originalHeight}`,
               projectId,
               assetKind: submissionPlan.sourceLayer.assetKind,
               generationInputs: submissionPlan.generationInputs,