fix(web): 修复弹窗裁切/宽度与日期选择器

web/src/lib/components/ui/date-range-picker/date-range-picker.svelte

@@ -18,7 +18,7 @@
   let { startDate = $bindable(), endDate = $bindable(), onchange, class: className }: Props = $props();
 
   // 将 YYYY-MM-DD 字符串转换为 CalendarDate
-  function parseDate(dateStr: string): DateValue | undefined {
+  function parseDate(dateStr?: string): DateValue | undefined {
     if (!dateStr) return undefined;
     const [year, month, day] = dateStr.split('-').map(Number);
     return new CalendarDate(year, month, day);
@@ -101,7 +101,11 @@
   <Popover.Content class="w-auto p-0" align="start">
     <RangeCalendar
       bind:value
+      class="rounded-md border"
       numberOfMonths={2}
+      pagedNavigation={true}
+      fixedWeeks={true}
+      weekdayFormat="short"
       locale="zh-CN"
       weekStartsOn={1}
     />