fix(build): restore missing imports and interface in Sidebar

web/src/components/Sidebar.tsx

@@ -1,6 +1,13 @@
+import { useState } from 'react';
+import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
+import { feedsApi } from '../api/feeds';
 import { articlesApi } from '../api/articles';
+import { AddFeedModal } from './AddFeedModal';
 
-// ... (existing imports)
+interface SidebarProps {
+    onSelectFeed: (feedId: string | null) => void;
+    selectedFeedId: string | null;
+}
 
 export function Sidebar({ onSelectFeed, selectedFeedId }: SidebarProps) {
     const [isAddModalOpen, setIsAddModalOpen] = useState(false);