fix: 修复账单时间显示为UTC时区问题，改为本地时间

- 新增 LocalTime 自定义类型，JSON序列化输出本地时间格式
- 修改 CleanedBill.Time 字段类型为 LocalTime
- 更新 parseTime 函数返回 LocalTime 类型
- 前端添加 formatDateTime 工具函数（兼容处理）
- 版本号更新至 1.0.2

web/package.json

@@ -1,7 +1,7 @@
 {
 	"name": "web",
 	"private": true,
-	"version": "1.0.1",
+	"version": "1.0.2",
 	"type": "module",
 	"scripts": {
 		"dev": "vite dev",

web/src/lib/utils.ts

@@ -16,6 +16,31 @@ export function formatLocalDate(date: Date): string {
 	return `${y}-${m}-${d}`;
 }
 
+/**
+ * 将 ISO 时间字符串（UTC）转换为本地时区的格式化字符串
+ * 用于显示账单交易时间
+ * @param isoString - ISO 格式的时间字符串，如 "2026-01-10T05:12:13Z"
+ * @returns 本地时间格式，如 "2026-01-10 13:12:13"
+ */
+export function formatDateTime(isoString: string): string {
+	if (!isoString) return '';
+	try {
+		const date = new Date(isoString);
+		if (isNaN(date.getTime())) return isoString;
+		
+		const y = date.getFullYear();
+		const m = String(date.getMonth() + 1).padStart(2, '0');
+		const d = String(date.getDate()).padStart(2, '0');
+		const h = String(date.getHours()).padStart(2, '0');
+		const min = String(date.getMinutes()).padStart(2, '0');
+		const s = String(date.getSeconds()).padStart(2, '0');
+		
+		return `${y}-${m}-${d} ${h}:${min}:${s}`;
+	} catch {
+		return isoString;
+	}
+}
+
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export type WithoutChild<T> = T extends { child?: any } ? Omit<T, "child"> : T;
 // eslint-disable-next-line @typescript-eslint/no-explicit-any

web/src/routes/bills/+page.svelte

@@ -12,7 +12,7 @@
   import { Separator } from '$lib/components/ui/separator';
   import { DateRangePicker } from '$lib/components/ui/date-range-picker';
   import ManualBillInput from '$lib/components/bills/ManualBillInput.svelte';
-  import { formatLocalDate } from '$lib/utils';
+  import { formatLocalDate, formatDateTime } from '$lib/utils';
   import Loader2 from '@lucide/svelte/icons/loader-2';
   import AlertCircle from '@lucide/svelte/icons/alert-circle';
   import Search from '@lucide/svelte/icons/search';
@@ -385,7 +385,7 @@
               {#each displayRecords as record}
                 <Table.Row>
                   <Table.Cell class="text-muted-foreground text-sm">
-                    {record.time}
+                    {formatDateTime(record.time)}
                   </Table.Cell>
                   <Table.Cell class="hidden xl:table-cell">
                     <Badge variant={record.bill_type === 'manual' ? 'outline' : (record.bill_type === 'alipay' ? 'default' : 'secondary')}>