feat: Integrate subscription synchronization and initialize new subscriptions with lastUpdated: 0.

lib/hooks/useHomePage.ts

@@ -2,9 +2,11 @@ import { useState, useRef, useEffect, useCallback } from 'react';
 import { useRouter, useSearchParams } from 'next/navigation';
 import { useSearchCache } from '@/lib/hooks/useSearchCache';
 import { useParallelSearch } from '@/lib/hooks/useParallelSearch';
+import { useSubscriptionSync } from '@/lib/hooks/useSubscriptionSync';
 import { settingsStore, type SortOption } from '@/lib/store/settings-store';
 
 export function useHomePage() {
+    useSubscriptionSync();
     const router = useRouter();
     const searchParams = useSearchParams();
     const { loadFromCache, saveToCache } = useSearchCache();

lib/utils/source-import-utils.ts

@@ -131,7 +131,7 @@ export function createSubscription(name: string, url: string): SourceSubscriptio
         id: `sub_${Date.now()}_${Math.random().toString(36).substring(7)}`,
         name: name.trim() || '未命名订阅',
         url: url.trim(),
-        lastUpdated: Date.now(),
+        lastUpdated: 0,
         autoRefresh: true,
     };
 }