fix(ui): fix timer reappearing after exam submission

app/exam/[id]/page.tsx

@@ -27,8 +27,9 @@ export default function ExamPage() {
         if (fetchedTest?.metadata.time_limit_minutes) {
           resetTimer(fetchedTest.metadata.time_limit_minutes * 60, () => {
             // Timer ended → auto-submit exam
+            stopTimer();
             submitExam(type);
-            router.push(`/categories/${type}s`);
+            router.push(`/exam/results`);
           });
         }
       });
@@ -56,6 +57,7 @@ export default function ExamPage() {
 
   const handleSubmitExam = async (type: string) => {
     try {
+      stopTimer();
       setIsSubmitting(true);
       await submitExam(type);
       router.push(`/exam/results`);

app/exam/results/page.tsx

@@ -15,7 +15,7 @@ export default function ResultsPage() {
   if (!result) {
     return (
       <div className="min-h-screen flex items-center justify-center">
-        <p className="text-lg font-medium">No results to display.</p>
+        <p className="text-lg font-medium">Redirecting...</p>
       </div>
     );
   }
@@ -46,16 +46,19 @@ export default function ResultsPage() {
           const correctAnswer = result.correct_answers[idx];
 
           return (
-            <div key={q.question_id} className={`rounded-3xl mb-6`}>
+            <div key={q.question_id} className="rounded-3xl mb-6">
               <QuestionItem
                 question={q}
                 index={idx}
                 selectedAnswer={userAnswer}
-                onSelect={() => {}} // disabled in results
+                onSelect={() => {}}
+                userAnswer={userAnswer}
+                correctAnswer={correctAnswer}
+                showResults={true}
               />
 
-              {/* Answer feedback */}
-              <div className="mt-2 text-sm">
+              {/* Optional answer feedback below the question */}
+              {/* <div className="mt-2 text-sm">
                 {userAnswer === null ? (
                   <span className="text-yellow-600 font-medium">
                     Skipped — Correct: {String.fromCharCode(65 + correctAnswer)}
@@ -68,7 +71,7 @@ export default function ResultsPage() {
                     Correct Answer: {String.fromCharCode(65 + correctAnswer)}
                   </span>
                 )}
-              </div>
+              </div> */}
             </div>
           );
         })}