合并编辑器素材修复分支

合并 codex/240e-editor-asset-fixes 到 codex/editor-asset-library

保留视频生成资源与素材返回

保留视频缩略图与生成输入元数据

src/components/image-editor/ImageCanvasGenerationLayerModel.ts

@@ -415,14 +415,16 @@ export function createVideoResultLayer({
     frame && frame.height > 0
       ? frame.y + frame.height / 2 - height / 2
       : undefined;
+  const resource = generated.resource;
+  const asset = generated.asset;
 
   return {
     id: `layer-video-${generatedIndex}`,
-    resourceId: `local-resource-video-${generatedIndex}`,
+    resourceId: resource?.resourceId ?? `local-resource-video-${generatedIndex}`,
     title,
     src: generated.videoSrc,
     mediaType: 'video',
-    assetKind,
+    assetKind: (resource?.assetKind as CanvasLayer['assetKind'] | undefined) ?? assetKind,
     x: frameX ?? worldCenter.x - width / 2,
     y: frameY ?? worldCenter.y - height / 2,
     width,
@@ -436,14 +438,15 @@ export function createVideoResultLayer({
     model: generated.model,
     provider: generated.provider,
     taskId: generated.taskId,
-    objectKey: generated.objectKey,
-    assetObjectId: generated.assetObjectId,
+    objectKey: resource?.objectKey ?? generated.objectKey,
+    assetObjectId: resource?.assetObjectId ?? generated.assetObjectId,
     thumbnailSrc: generated.thumbnailSrc ?? generated.asset?.thumbnailSrc ?? undefined,
     sourceResourceId: sourceLayer?.resourceId,
+    sourceAssetId: asset?.assetId,
     groupId: sourceLayer?.groupId,
-    generationInputs,
+    generationInputs: resource?.generationInputs ?? generationInputs,
     durationSeconds: generated.durationSeconds,
-    generatedAssetSnapshot: generated.asset ?? undefined,
+    generatedAssetSnapshot: asset ?? generated.asset ?? undefined,
   };
 }