test: align loginAsStudent with teacher-switching pattern

Match the exact login flow used by teacher-switching.spec.ts:
replace JWT wait with settle timeout, increase wait durations, always
navigate to /student/profile via page.goto after org selection.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

tests/course-package-store.spec.ts

@@ -231,38 +231,49 @@ test.describe('课包商店（已登录学生查看老师主页）', () => {
 
 async function loginAsStudent(page: any, moicenUnionid: string) {
   const q = new URLSearchParams({ unionid: moicenUnionid, status: '2' });
-  await page.goto(`/?${q.toString()}`, { waitUntil: 'domcontentloaded', timeout: 60_000 });
+  await page.goto(`/?${q.toString()}`, {
+    waitUntil: 'domcontentloaded',
+    timeout: 60_000,
+  });
   await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
+  // Wait for SPA to settle and login/role resolution to complete
+  await page.waitForTimeout(5000);
 
-  // Wait for JWT to appear (login completed)
-  await page.waitForFunction(
-    () => !!window.localStorage.getItem('Authorization'),
-    { timeout: 90_000 },
-  );
-
-  // Select student role if prompted
+  // Pick STUDENT role explicitly
   const roleSelect = page.getByText('请选择您的登录身份');
-  if (await roleSelect.isVisible({ timeout: 5000 }).catch(() => false)) {
+  if (await roleSelect.isVisible().catch(() => false)) {
     const studentRole = page.locator('.van-grid-item').filter({ hasText: '学生' });
     if (await studentRole.isVisible().catch(() => false)) {
       await studentRole.click();
-      await page.waitForTimeout(2000);
+      await page.waitForTimeout(5000);
     }
   }
 
   // Handle org select if needed
   if (page.url().includes('/org/select')) {
-    if (await page.locator('.course-package-store').isVisible().catch(() => false)) {
-      return false; // session not usable
+    const guest = page.getByText('请返回微信小程序完成登录');
+    if (await guest.isVisible().catch(() => false)) {
+      return false; // 会话不可用
     }
-    const firstOrgCell = page.locator('#app .van-cell-group .van-cell').first();
-    if (await firstOrgCell.isVisible({ timeout: 10_000 }).catch(() => false)) {
-      await firstOrgCell.click();
-      await page.waitForTimeout(3000);
+    const orgCells = page.locator('#app .van-cell-group .van-cell');
+    const n = await orgCells.count();
+    if (n === 0) return false;
+    await orgCells.first().click();
+    await page.waitForTimeout(5000);
+    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
+
+    if (await guest.isVisible().catch(() => false)) {
+      return false; // org switch 后会话不可用
     }
+
+    await page.goto('/student/profile', {
+      waitUntil: 'domcontentloaded',
+      timeout: 60_000,
+    });
+    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
   }
 
-  // Ensure we're on a settled student page
+  // Ensure we're on a student page
   const currentPath = new URL(page.url()).pathname;
   if (!currentPath.startsWith('/student/')) {
     await page.goto('/student/profile', {