feat: select school terms and smooth refractive Dock motion

mobile/test/school/school_page_probe_js_test.cjs

@@ -11,8 +11,8 @@ const timetable = 'https://yjsjy.uestc.edu.cn/pyxx/pygl/xskbcx/index/1';
 function term(id) {
   const result = {
     selectedIndex: 1,
-    options: [false, false].map(selected => ({
-      selected,
+    options: [false, false].map((selected, index) => ({
+      selected, value: String(73 - index),
       setAttribute() { this.selected = true; },
       removeAttribute() { this.selected = false; },
     })),
@@ -56,6 +56,7 @@ assert.equal(probe(doc('https://yjsjy.uestc.edu.cn/pyxx/jzsso/login')).authentic
 
 const top = probe(doc(timetable, {table: true}));
 assert.equal(top.pages.length, 1);
+assert.deepEqual(top.terms, [73, 72], 'bounded school term choices contain only dropdown IDs');
 assert.match(top.pages[0].html, /value="1" selected="selected"/);
 assert.doesNotMatch(top.pages[0].html, /value="0" selected/);