fix(cursor/linux): force bundled mac-style SVG pack for show-cursor

src/components/video-editor/videoPlayback/cursorRenderer.ts

@@ -167,6 +167,7 @@ function getAvailableCursorKeys(): CursorAssetKey[] {
 export async function preloadCursorAssets() {
   if (!cursorAssetsPromise) {
     cursorAssetsPromise = (async () => {
+      const isLinux = typeof navigator !== 'undefined' && /linux/i.test(navigator.platform);
       let systemCursors: Record<string, SystemCursorAsset> = {};
 
       try {
@@ -182,7 +183,9 @@ export async function preloadCursorAssets() {
         SUPPORTED_CURSOR_KEYS.map(async (key) => {
           const systemAsset = systemCursors[key];
           const uploadedAsset = uploadedCursorAssets[key];
-          const assetUrl = uploadedAsset?.url ?? systemAsset?.dataUrl;
+          const assetUrl = isLinux
+            ? uploadedAsset?.url
+            : uploadedAsset?.url ?? systemAsset?.dataUrl;
 
           if (!assetUrl) {
             console.warn(`[CursorRenderer] No cursor image for: ${key}`);

src/components/video-editor/videoPlayback/uploadedCursorAssets.ts

@@ -32,13 +32,6 @@ export const uploadedCursorAssets: Partial<Record<CursorAssetKey, UploadedCursor
     trim: { x: 480, y: 435, width: 333, height: 553 },
     fallbackAnchor: { x: 0.18, y: 0.1 },
   },
-  'not-allowed': {
-    // Keep style consistent with bundled mac-like cursors instead of falling
-    // back to platform-specific system icons.
-    url: arrowUrl,
-    trim: { x: 480, y: 435, width: 333, height: 553 },
-    fallbackAnchor: { x: 0.18, y: 0.1 },
-  },
   text: {
     url: textUrl,
     trim: { x: 404, y: 192, width: 247, height: 596 },