fix(discover): genre card from search results did nothing — openGenre reloaded rankings but the view stayed in the Results branch so the update was invisible. Clear the query and return to Idle rankings view, showing 'Top in <genre>'.

app/src/main/java/com/rada/ui/discover/WavlakeViewModel.kt

@@ -315,6 +315,10 @@ class WavlakeViewModel @Inject constructor(
 
     /** Jump the Stations tab filtered to this genre (Discover genre hit). */
     fun openGenre(genre: String) {
+        // Reached from a search-result genre card: the rankings live in the
+        // Idle branch, so drop the query or the reload would stay invisible.
+        _searchQuery.value = ""
+        _searchState.value = WavlakeSearchState.Idle
         _rankingsGenre.value = genre
         viewModelScope.launch {
             _rankingsLoading.value = true