feat: implement onboarding process and enrollment status tracking for users

src/pages/Testen.jsx

@@ -10,6 +10,7 @@ import Button from '../components/ui/Button';
 import Tag from '../components/ui/Tag';
 import { useApp } from '../store/AppContext';
 import { generateWeeklyQuiz, saveTestResult, getTestResult } from '../lib/testService';
+import { getCurriculumWeek, getCurriculumCycle } from '../lib/curriculumService';
 import { storage } from '../lib/storage';
 
 const TIMER_SECONDS = 300; // 5 minutes
@@ -180,7 +181,7 @@ const Testen = () => {
         <div className="text-center py-12">
           <CheckSquare size={64} className="mx-auto text-teal/30 mb-6" />
           <h1 className="text-3xl md:text-4xl font-bold text-teal mb-4">Weekly Test</h1>
-          <p className="text-fg-muted text-lg mb-2">Week {weekNumber}</p>
+          <p className="text-fg-muted text-lg mb-2">Cycle {getCurriculumCycle(weekNumber)} · Week {getCurriculumWeek(weekNumber)} of 26</p>
           <p className="text-fg-muted mb-8 max-w-md mx-auto">
             Test your knowledge with 5 AI-generated questions. You have 5 minutes to complete the test. Good luck!
           </p>