-feat 修复json格式问题

src/components/home/DailyInsightCard/DailyInsightCard.tsx

@@ -1,4 +1,3 @@
-```typescript
 import React, { useState, useEffect } from 'react';
 import { Icon } from '@iconify/react';
 import { formatCurrency } from '../../../utils/format';
@@ -141,4 +140,3 @@ export const DailyInsightCard: React.FC<DailyInsightCardProps> = ({
     </div>
   );
 };
-```

src/services/aiService.ts

@@ -289,6 +289,8 @@ Output Requirements:
     // Here we choose to throw so fallback static text appears.
     throw error;
   }
+}
+
 // Cache storage for daily insight
 let dailyInsightCache: {
   data: { spending: string; budget: string };
@@ -410,4 +412,5 @@ Task:
   isConfirmationCardComplete,
   formatConfirmationCard,
   getFinancialAdvice,
+  getDailyInsight,
 };