fix hover trailers toggle - suppress cached video key when pref disabled

src/hooks/use-hover-trailer.ts

@@ -60,8 +60,11 @@ export function useHoverTrailer(
       return pickPriority(a.type) - pickPriority(b.type)
     })[0]
 
+  // If the feature is disabled, suppress the key even when cached data
+  // exists from a previous session. Otherwise PosterCard will mount the
+  // iframe the moment the user hovers.
   return {
-    videoKey: trailer?.key || null,
-    ready: armed && (movieQ.isFetched || tvQ.isFetched),
+    videoKey: enabled && armed && trailer?.key ? trailer.key : null,
+    ready: enabled && armed && (movieQ.isFetched || tvQ.isFetched),
   }
 }