fix(admin): restore teacher profile form values

apps/admin/src/pages/Users/user-profile-form.integration.test.ts

@@ -0,0 +1,27 @@
+import { describe, expect, it } from 'vitest';
+import { userProfileResponseToFormValues } from './user-profile-form';
+
+describe('user profile form mapping', () => {
+  it('unwraps the nested profile returned by the user profile endpoint', () => {
+    expect(
+      userProfileResponseToFormValues({
+        id: 9,
+        username: 'teacher01',
+        name: '测试教师',
+        profile: {
+          joinedAt: '2026-07-01',
+          qualifications: '教师资格证',
+          subjects: ['语文', '历史'],
+        },
+      }),
+    ).toEqual({
+      joinedAt: '2026-07-01',
+      qualifications: '教师资格证',
+      subjects: ['语文', '历史'],
+    });
+  });
+
+  it('returns empty form values when the user has no profile', () => {
+    expect(userProfileResponseToFormValues({ profile: null })).toEqual({});
+  });
+});