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>

generic/views.py

@@ -1291,6 +1291,31 @@ class ExamViews(View, LoginRequiredMixin):
                 pct_val = pcts.get(k, 0.0) if isinstance(pcts, dict) else 0.0
                 breakdown.append((k, v, pct_val))
 
+            # Determine the canonical correct answer representation for display.
+            correct_answer = None
+            try:
+                if self.app_name == "sbas":
+                    correct_answer = q.get_correct_answer()
+                elif self.app_name == "physics":
+                    correct_answer = q.get_answers()
+                else:
+                    # get_primary_answer is used elsewhere as the generic primary answer
+                    try:
+                        correct_answer = q.get_primary_answer()
+                    except Exception:
+                        correct_answer = getattr(q, "best_answer", None)
+
+                # Normalise iterable answers into a readable string
+                if isinstance(correct_answer, (list, tuple)):
+                    try:
+                        correct_answer = ", ".join([str(x) for x in correct_answer])
+                    except Exception:
+                        correct_answer = str(correct_answer)
+                elif correct_answer is not None:
+                    correct_answer = str(correct_answer)
+            except Exception:
+                correct_answer = None
+
             question_summaries.append(
                 {
                     "question": q,
@@ -1299,6 +1324,7 @@ class ExamViews(View, LoginRequiredMixin):
                     "counts": counts,
                     "pcts": pcts,
                     "correct_pct": correct_pct,
+                    "correct_answer": correct_answer,
                     "answered_pct": answered_pct,
                     "colour": colour,
                     "top_answer": top_answer,