Team: sort rosters by year then surname (pinyin)

Re-apply the year-ascending, surname-ascending order to phdStudents and
undergraduates after recent year edits; other sections already conformed.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: xpqiu

assets/js/team-data.js

@@ -159,15 +159,15 @@ const teamData = {
 
     // 博士研究生
     phdStudents: [
-        { id: 'junqi-dai', name: { zh: '代俊奇', en: 'Junqi Dai' }, photo: 'assets/img/代俊奇.jpg', year: '2022' },
-        { id: 'zhaoye-fei', name: { zh: '费朝烨', en: 'Zhaoye Fei' }, photo: 'assets/img/费朝烨.jpeg', homepage: 'https://ngc7292.github.io/', year: '2023' },
         { id: 'peiju-liu', name: { zh: '刘佩举', en: 'Peiju Liu' }, photo: 'assets/img/刘佩举.jpg', year: '2021' },
+        { id: 'junqi-dai', name: { zh: '代俊奇', en: 'Junqi Dai' }, photo: 'assets/img/代俊奇.jpg', year: '2022' },
         { id: 'xiaoran-liu', name: { zh: '柳潇然', en: 'Xiaoran Liu' }, photo: 'assets/img/柳潇然.jpeg', homepage: 'https://github.com/lxr-tech', year: '2022' },
         { id: 'bo-wang', name: { zh: '王博', en: 'Bo Wang' }, photo: 'assets/img/王博.jpg', year: '2022' },
         { id: 'pengyu-wang', name: { zh: '王鹏宇', en: 'Pengyu Wang' }, photo: 'assets/img/王鹏宇.jpg', year: '2022' },
         { id: 'xinghao-wang', name: { zh: '王星皓', en: 'Xinghao Wang' }, photo: 'assets/img/王星皓.jpg', homepage: 'https://github.com/xinghaow99', year: '2022' },
         { id: 'ningyu-xu', name: { zh: '徐凝雨', en: 'Ningyu Xu' }, photo: 'assets/img/徐凝雨.JPEG', year: '2022' },
         { id: 'jun-zhan', name: { zh: '詹俊', en: 'Jun Zhan' }, photo: 'assets/img/詹俊.JPEG', homepage: 'https://junzhan2000.github.io', year: '2022' },
+        { id: 'zhaoye-fei', name: { zh: '费朝烨', en: 'Zhaoye Fei' }, photo: 'assets/img/费朝烨.jpeg', homepage: 'https://ngc7292.github.io/', year: '2023' },
         { id: 'qinghui-gao', name: { zh: '高庆麾', en: 'Qinghui Gao' }, photo: 'assets/img/高庆麾.jpg', year: '2023' },
         { id: 'zhengfu-he', name: { zh: '贺正夫', en: 'Zhengfu He' }, photo: 'assets/img/贺正夫.jpg', homepage: 'https://scholar.google.com/citations?user=mou-vPwAAAAJ&hl=en', year: '2023' },
         { id: 'botian-jiang', name: { zh: '姜博天', en: 'Botian Jiang' }, photo: 'assets/img/姜博天.png', year: '2023' },
@@ -206,11 +206,11 @@ const teamData = {
         { id: 'haowei-zhang', name: { zh: '张浩威', en: 'Haowei Zhang' }, photo: 'assets/img/张浩威.png', homepage: 'https://haowei-freesky.github.io/', year: '2025' },
         { id: 'haozhe-zhang', name: { zh: '张浩哲', en: 'Haozhe Zhang' }, photo: 'assets/img/张浩哲.png', year: '2025' },
         { id: 'wenbo-zhang', name: { zh: '张文擘', en: 'Wenbo Zhang' }, photo: 'assets/img/张文擘.JPEG', homepage: 'https://github.com/ppolariss', year: '2025' },
-        { id: 'yiyang-zhang', name: { zh: '张奕洋', en: 'Yiyang Zhang' }, photo: 'assets/img/张奕洋.jpg', homepage: 'https://github.com/CloudRipple', year: '2025' },
         { id: 'yifei-zhang', name: { zh: '张逸飞', en: 'Yifei Zhang' }, photo: 'assets/img/张逸飞.jpg', year: '2025' },
+        { id: 'yiyang-zhang', name: { zh: '张奕洋', en: 'Yiyang Zhang' }, photo: 'assets/img/张奕洋.jpg', homepage: 'https://github.com/CloudRipple', year: '2025' },
         { id: 'guancheng-zhou', name: { zh: '周冠程', en: 'Guancheng Zhou' }, photo: 'assets/img/周冠程.jpg', homepage: 'https://guanchengzhou.github.io/', year: '2025' },
-        { id: 'yanxin-chen', name: { zh: '陈衍鑫', en: 'Yanxin Chen' }, photo: 'assets/img/default-avatar.svg', year: '2026' },
         { id: 'jiajun-chen', name: { zh: '陈嘉骏', en: 'Jiajun Chen' }, photo: 'assets/img/default-avatar.svg', year: '2026' },
+        { id: 'yanxin-chen', name: { zh: '陈衍鑫', en: 'Yanxin Chen' }, photo: 'assets/img/default-avatar.svg', year: '2026' },
         { id: 'yitong-chen', name: { zh: '谌奕同', en: 'Yitong Chen' }, photo: 'assets/img/default-avatar.svg', year: '2026' },
         { id: 'jiaying-he', name: { zh: '何佳莹', en: 'Jiaying He' }, photo: 'assets/img/default-avatar.svg', year: '2026' },
         { id: 'pengfei-wang', name: { zh: '王鹏飞', en: 'Pengfei Wang' }, photo: 'assets/img/default-avatar.svg', year: '2026' },
@@ -300,11 +300,11 @@ const teamData = {
         { id: 'zhiyuan-ning', name: { zh: '宁致远', en: 'Zhiyuan Ning' }, photo: 'assets/img/宁致远.jpg', homepage: 'https://zy-ning.vercel.app/', year: '2026' },
         { id: 'xiaomeng-qian', name: { zh: '钱晓萌', en: 'Xiaomeng Qian' }, photo: 'assets/img/钱晓萌.jpg', homepage: 'https://xmqian03.github.io', year: '2026' },
         { id: 'jinyu-tian', name: { zh: '田晋宇', en: 'Jinyu Tian' }, photo: 'assets/img/田晋宇.jpg', year: '2026' },
-        { id: 'yixian-tian', name: { zh: '田一贤', en: 'Yixian Tian' }, photo: 'assets/img/田一贤.jpg', homepage: 'https://tianyixian.github.io/', year: '2026' },
         { id: 'yihai-tian', name: { zh: '田亦海', en: 'Yihai Tian' }, photo: 'assets/img/田亦海.jpg', year: '2026' },
+        { id: 'yixian-tian', name: { zh: '田一贤', en: 'Yixian Tian' }, photo: 'assets/img/田一贤.jpg', homepage: 'https://tianyixian.github.io/', year: '2026' },
         { id: 'qiqi-wang', name: { zh: '王琪琦', en: 'Qiqi Wang' }, photo: 'assets/img/王琪琦.JPEG', year: '2026' },
-        { id: 'wenxuan-wang', name: { zh: '王文煊', en: 'Wenxuan Wang' }, photo: 'assets/img/王文煊.JPG', year: '2026' },
         { id: 'weiyi-wang', name: { zh: '王惟易', en: 'Weiyi Wang' }, photo: 'assets/img/王惟易.png', homepage: 'https://github.com/Mtrya', year: '2026' },
+        { id: 'wenxuan-wang', name: { zh: '王文煊', en: 'Wenxuan Wang' }, photo: 'assets/img/王文煊.JPG', year: '2026' },
         { id: 'yang-wang-1', name: { zh: '王扬', en: 'Yang Wang' }, photo: 'assets/img/王扬.png', year: '2026' },
         { id: 'yang-wang-2', name: { zh: '王洋', en: 'Yang Wang' }, photo: 'assets/img/王洋.jpg', year: '2026' },
         { id: 'yubang-wang', name: { zh: '王昱邦', en: 'Yubang Wang' }, photo: 'assets/img/王昱邦.jpg', year: '2026' },