refactor: Add custom hooks for context access in various contexts

src/hooks/useWatchedItems.tsx

@@ -1,6 +1,6 @@
 // src/hooks/useWatchedItems.tsx
 import { useMemo, useCallback } from 'react';
-import { useAuth } from './useAuth';
+import { useAuth } from '../contexts/AuthContext';
 import { useApi } from './useApi';
 import { useUserData } from './useUserData';
 import * as apiClient from '../services/apiClient';