feat: 新增汇率管理页面，支持净资产历史趋势、货币转换，并引入交易相关组件和预算页面

src/services/transactionService.ts

@@ -178,7 +178,7 @@ export async function updateTransaction(
   if (data.transactionDate !== undefined) payload.transaction_date = data.transactionDate;
   if (data.note !== undefined) payload.note = data.note;
   if (data.tagIds !== undefined) payload.tag_ids = data.tagIds;
-  
+
   const response = await api.put<ApiResponse<Transaction>>(`/transactions/${id}`, payload);
   if (!response.data) {
     throw new Error(response.error || 'Failed to update transaction');
@@ -209,7 +209,14 @@ export function groupTransactionsByDate(transactions: Transaction[] | undefined)
     if (!dateValue) {
       continue; // Skip transactions without a date
     }
-    const date = dateValue.split('T')[0];
+
+    // Fix: Use local time for grouping instead of UTC string split
+    const d = new Date(dateValue);
+    const year = d.getFullYear();
+    const month = String(d.getMonth() + 1).padStart(2, '0');
+    const day = String(d.getDate()).padStart(2, '0');
+    const date = `${year}-${month}-${day}`;
+
     const existing = groups.get(date) || [];
     existing.push(transaction);
     groups.set(date, existing);