fix(build): remove background transparency references

src/components/video-editor/VideoPlayback.tsx

@@ -1043,7 +1043,7 @@ const VideoPlayback = forwardRef<VideoPlaybackRef, VideoPlaybackProps>(({
 
   return (
     <div className="relative rounded-sm overflow-hidden" style={{ width: '100%', aspectRatio: formatAspectRatioForCSS(aspectRatio, nativeAspectRatio) }}>
-      {/* Background layer - always render as DOM element with blur */}
+      {/* Background layer */}
       <div
         className="absolute inset-0 bg-cover bg-center"
         style={{

src/components/video-editor/projectPersistence.ts

@@ -25,7 +25,6 @@ export const PROJECT_VERSION = 1;
 
 export interface ProjectEditorState {
   wallpaper: string;
-  backgroundTransparency: boolean;
   shadowIntensity: number;
   backgroundBlur: number;
   zoomMotionBlur: number;
@@ -260,9 +259,6 @@ export function normalizeProjectEditor(editor: Partial<ProjectEditorState>): Pro
 
   return {
     wallpaper: typeof editor.wallpaper === "string" ? editor.wallpaper : WALLPAPER_PATHS[0],
-    backgroundTransparency: typeof (editor as Partial<ProjectEditorState>).backgroundTransparency === "boolean"
-      ? (editor as Partial<ProjectEditorState>).backgroundTransparency as boolean
-      : false,
     shadowIntensity: typeof editor.shadowIntensity === "number" ? editor.shadowIntensity : 0.67,
     backgroundBlur: normalizedBackgroundBlur,
     zoomMotionBlur: normalizedZoomMotionBlur,

src/lib/exporter/videoExporter.ts

@@ -8,7 +8,6 @@ import type { ZoomRegion, CropRegion, TrimRegion, AnnotationRegion, SpeedRegion,
 interface VideoExporterConfig extends ExportConfig {
   videoUrl: string;
   wallpaper: string;
-  backgroundTransparency?: boolean;
   zoomRegions: ZoomRegion[];
   trimRegions?: TrimRegion[];
   speedRegions?: SpeedRegion[];
@@ -68,7 +67,6 @@ export class VideoExporter {
         width: this.config.width,
         height: this.config.height,
         wallpaper: this.config.wallpaper,
-        backgroundTransparency: this.config.backgroundTransparency,
         zoomRegions: this.config.zoomRegions,
         showShadow: this.config.showShadow,
         shadowIntensity: this.config.shadowIntensity,