Enhance exam review display to show correct answers and update result color descriptions for clarity

generic/templates/generic/exam_review_start.html

@@ -9,7 +9,7 @@
       </div>
     </div>
 
-    <p class="text-muted small">Colour indicates likely attention needed: green (good), yellow (check), red (needs attention). Hover for details.</p>
+    <p class="text-muted small">Colour indicates question results (for exam): green (good), yellow (check), red (needs attention). Hover for details.</p>
 
     <div class="row">
       {% for qs in question_summaries %}
@@ -22,6 +22,9 @@
               </div>
 
               <p class="card-text small text-muted mb-2">Responses: {{ qs.total_responses }}{% if qs.top_answer %} — top: "{{ qs.top_answer }}"{% endif %}</p>
+              {% if qs.correct_answer %}
+                <p class="card-text small mb-2"><strong>Correct:</strong> <span class="text-success">{{ qs.correct_answer|safe }}</span></p>
+              {% endif %}
 
               <div class="d-flex gap-2">
                 <a class="btn btn-sm btn-outline-primary" href="{% url app_name|add:':exam_review_question' exam.pk qs.q_index %}">Review</a>