fix: null quiz crash in admin candidate show - load attempts.quiz withoutGlobalScopes + null guard in Vue template

app/Http/Controllers/CandidateController.php

@@ -81,13 +81,23 @@ class CandidateController extends Controller
         $candidate->load([
             'user', 
             'documents', 
-            'attempts.quiz', 
-            'attempts.answers.question',
-            'attempts.answers.option',
             'jobPosition',
             'tenant'
         ]);
 
+        // Load attempts with quiz bypassing tenant scope
+        // (admin may view candidates whose quizzes belong to other tenants)
+        $candidate->setRelation(
+            'attempts',
+            $candidate->attempts()
+                ->with([
+                    'quiz' => fn($q) => $q->withoutGlobalScopes(),
+                    'answers.question',
+                    'answers.option',
+                ])
+                ->get()
+        );
+
         $data = [
             'candidate' => $candidate,
             'jobPositions' => \App\Models\JobPosition::all(),

resources/js/Pages/Admin/Candidates/Show.vue

@@ -818,7 +818,7 @@ const runAI = async () => {
                                         </div>
                                     </div>
                                     <div>
-                                        <h4 class="text-xl font-black uppercase tracking-tight">{{ attempt.quiz.title }}</h4>
+                                        <h4 class="text-xl font-black uppercase tracking-tight">{{ attempt.quiz?.title ?? 'Quiz supprimé' }}</h4>
                                         <div class="text-xs text-slate-400 mt-1 uppercase font-bold tracking-widest">
                                             Fini le {{ formatDateTime(attempt.finished_at) }}
                                         </div>