feat(members): add members listing page

This commit introduces a new `/members` page to display a directory of alumni association members.

- Member data is sourced from a CSV file (`content/members/members.csv`) and managed via Nuxt Content.
- The page presents member information in a table, including calculated graduation class (`届别`).
- A link to the new page has been added to the main navigation.
- Minor UI tweaks and data corrections in other sections are also included.

app/pages/members/index.vue

@@ -0,0 +1,111 @@
+<template>
+  <UPage>
+    <UContainer>
+      <UPageHeader title="会员总览" description="查询每个会员的信息" />
+      <UPageBody>
+        <UTable :data="members" :columns="columns" />
+      </UPageBody>
+    </UContainer>
+  </UPage>
+</template>
+
+<script lang="ts" setup>
+import type { TableColumn } from "@nuxt/ui";
+import { z } from "zod";
+
+useSeoMeta({
+  title: "会员总览",
+  description: "永平中学校友会会员总览，查询每位校友的毕业年份、届别、加入年份与现居国家。",
+  keywords: "永平中学校友会, 校友会员, 毕业届别, 会员名录, 校友查询",
+  ogTitle: "永平中学校友会会员总览",
+  ogDescription:
+    "浏览永平中学校友会会员资料，了解各届校友的分布与加入年份。",
+  // ogImage: "/members/ogImage.png",
+  ogType: "website",
+})
+
+const MemberSchema = z.object({
+  chineseName: z.string(),
+  englishName: z.string(),
+  // ic: z.string(),
+  // mobile: z.string(),
+  // home: z.string(),
+  // email: z.string(),
+  graduateLevel: z.string(),
+  graduateYear: z.string(),
+  // marriageNtatus: z.string(),
+  livingCountry: z.string(),
+  // addressLine1: z.string(),
+  // addressLine2: z.string(),
+  // addressLine3: z.string(),
+  joinedYear: z.string(),
+  // receiptNumber: z.string(),
+});
+
+type Member = z.infer<typeof MemberSchema>;
+
+const { data: members } = await useAsyncData("members", async () => {
+  const file = await queryCollection("members").first();
+  // ✅ 关键点：取 meta.body
+  return MemberSchema.array().parse(file?.meta.body);
+});
+
+const columns: TableColumn<Member>[] = [
+  {
+    accessorKey: "chineseName",
+    header: "中文姓名",
+  },
+  {
+    accessorKey: "englishName",
+    header: "英文姓名",
+  },
+  {
+    accessorKey: "graduateYear",
+    header: "毕业/离校年份",
+  },
+  {
+    accessorKey: "graduateLevel",
+    header: "毕业/离校届别",
+    cell: ({ row }) => {
+      switch (row.original.graduateLevel) {
+        case "j":
+          // 初中毕业
+          // 如果 row.original.graduateYear 不能转换成数字，就写成初中毕业
+          // 否则计算届别
+          return isNaN(Number(row.original.graduateYear))
+            ? "初中毕业"
+            : `初中第 ${Number(row.original.graduateYear) - 1958} 届`;
+        case "s":
+          // 高中毕业
+          return isNaN(Number(row.original.graduateYear))
+            ? "高中毕业"
+            : `高中第 ${Number(row.original.graduateYear) - 1965} 届`;
+        case "dj1":
+          return "初一肆业";
+        case "dj2":
+          return "初二肆业";
+        case "dj3":
+          return "初三肆业";
+        case "ds1":
+          return "高一肆业";
+        case "ds2":
+          return "高二肆业";
+        case "ds3":
+          return "高三肆业";
+        default:
+          break;
+      }
+    },
+  },
+  {
+    accessorKey: "joinedYear",
+    header: "加入年份",
+  },
+  {
+    accessorKey: "livingCountry",
+    header: "现居国家",
+  },
+];
+</script>
+
+<style></style>