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/services/image-editor/editorProjectClient.ts

@@ -350,6 +350,8 @@ export type EditorVideoGenerationResult = {
   taskId: string;
   durationSeconds: number;
   priceMudPoints?: number;
+  resource?: EditorProjectResourceSnapshot | null;
+  asset?: EditorAssetSnapshot | null;
   project?: EditorProjectSnapshot | null;
   asset?: EditorAssetSnapshot | null;
   queueState?: ExternalGenerationJobStatusRecord | null;