cleanup unnecessary logic

js/desktop/src/hooks/use-stream-view-mode.ts

@@ -3,6 +3,7 @@ import type { Particle } from '@/api/types';
 
 export type StreamViewMode = 'player' | 'list';
 
+// Deprecated: now we always start with player mode
 function decideMode(
   streamParticle: Particle & { type: 'stream' },
   userId: string | undefined,
@@ -19,14 +20,6 @@ export function useStreamViewMode(
   userId: string | undefined,
 ): { mode: StreamViewMode; toggle: () => void } {
   const [mode, setMode] = useState<StreamViewMode>('player');
-
-  // Re-decide when navigating between streams without an unmount.
-  const [prevStreamId, setPrevStreamId] = useState(streamParticle.id);
-  if (prevStreamId !== streamParticle.id) {
-    setPrevStreamId(streamParticle.id);
-    setMode(decideMode(streamParticle, userId));
-  }
-
   const toggle = useCallback(() => {
     setMode((prev) => (prev === 'player' ? 'list' : 'player'));
   }, []);