🔄 Refactor error handling and state reset logic for improved clarity and consistency in tournament management

code/websites/pokedex.online/src/views/ChallongeTest.vue

@@ -682,49 +682,13 @@ async function toggleTournamentDetails(tournamentId) {
   }
 }
 
-function handleError(err) {
-  console.error('Challonge API Error:', err);
-
-  if (err.errors && Array.isArray(err.errors)) {
-    // JSON:API error format (v2.1) - already formatted
-    error.value = err.errors;
-  } else if (err.status) {
-    // HTTP error with status code
-    error.value = [
-      {
-        status: err.status,
-        message: err.message || 'Unknown error',
-        field: null
-      }
-    ];
-  } else if (err.message) {
-    // Generic error with message
-    error.value = [
-      {
-        status: 'Error',
-        message: err.message,
-        field: null
-      }
-    ];
-  } else {
-    // Fallback for unknown error formats
-    error.value = [
-      {
-        status: 'Error',
-        message: 'An unexpected error occurred. Check console for details.',
-        field: null
-      }
-    ];
-  }
-}
-
 async function switchApiVersion() {
   // Clear state when switching versions
-  tournaments.value = null;
-  error.value = null;
+  tournamentListState.reset();
+  loadMoreState.reset();
+  tournamentDetailsState.reset();
   searchQuery.value = '';
   expandedTournamentId.value = null;
-  tournamentDetails.value = null;
   currentPage.value = 1;
 }