feat: add exam score management

apps/admin/src/auth/permission-navigation.integration.test.ts

@@ -30,6 +30,7 @@ describe('permission navigation', () => {
   it('keeps route permission lookup aligned for nested detail routes', () => {
     expect(getRequiredPermission('/classes/12')).toBe('class:view');
     expect(getRequiredPermission('/students/8/profile')).toBe('student:view');
+    expect(getRequiredPermission('/exams/8')).toBe('exam:view');
     expect(canAccessPath('/ai-config', ['ai:config:read'])).toBe(true);
     expect(canAccessPath('/ai-config', ['integration:read'])).toBe(false);
   });