diff --git a/app/Concerns/Auditable.php b/app/Concerns/Auditable.php
index 5cbb81f..ae1a097 100644
--- a/app/Concerns/Auditable.php
+++ b/app/Concerns/Auditable.php
@@ -3,7 +3,6 @@
 namespace App\Concerns;
 
 use App\Models\AuditLog;
-use Illuminate\Database\Eloquent\Model;
 
 /**
  * Enregistre automatiquement les créations / modifications / suppressions
@@ -16,9 +15,9 @@ trait Auditable
 {
     public static function bootAuditable(): void
     {
-        static::created(fn (Model $model) => $model->recordAudit('created', null, $model->auditableAttributes()));
+        static::created(fn (self $model) => $model->recordAudit('created', null, $model->auditableAttributes()));
 
-        static::updated(function (Model $model): void {
+        static::updated(function (self $model): void {
             $changed = array_keys($model->getChanges());
             $keys = array_diff($changed, $model->auditExcluded());
             if ($keys === []) {
@@ -31,7 +30,7 @@ public static function bootAuditable(): void
             $model->recordAudit('updated', $old, $new);
         });
 
-        static::deleted(fn (Model $model) => $model->recordAudit('deleted', $model->auditableAttributes(), null));
+        static::deleted(fn (self $model) => $model->recordAudit('deleted', $model->auditableAttributes(), null));
     }
 
     /** Champs exclus du journal (secrets et bruit). */
diff --git a/app/Console/Commands/GenerateStudentMatricule.php b/app/Console/Commands/GenerateStudentMatricule.php
index e8f8206..8ead8a8 100644
--- a/app/Console/Commands/GenerateStudentMatricule.php
+++ b/app/Console/Commands/GenerateStudentMatricule.php
@@ -3,8 +3,8 @@
 namespace App\Console\Commands;
 
 use App\Models\Student;
-use App\Services\MatriculeService;
 use Illuminate\Console\Command;
+use Illuminate\Database\Eloquent\Collection;
 
 class GenerateStudentMatricule extends Command
 {
@@ -13,10 +13,10 @@ class GenerateStudentMatricule extends Command
      *
      * @var string
      */
-    protected $signature = 'matricule:generate-student 
+    protected $signature = 'matricule:generate-student
                             {--class-id= : ID de la classe}
                             {--all : Générer pour tous les élèves}
-                            {--registration : Générer aussi les numéros d\'enregistrement}
+                            {--matricule : Générer aussi les matricules des élèves}
                             {--force : Forcer la régénération}';
 
     /**
@@ -31,10 +31,9 @@ class GenerateStudentMatricule extends Command
      */
     public function handle(): int
     {
-        $matriculeService = app(MatriculeService::class);
+        $withStudentMatricule = (bool) $this->option('matricule');
 
         if ($this->option('all')) {
-            // Générer pour tous les élèves
             $students = Student::all();
 
             if ($students->isEmpty()) {
@@ -44,28 +43,7 @@ public function handle(): int
             }
 
             $this->info("Génération des matricules pour {$students->count()} élèves...");
-
-            $progressBar = $this->output->createProgressBar($students->count());
-            $progressBar->start();
-
-            foreach ($students as $student) {
-                // Générer matricule de l'utilisateur
-                if (! $student->user->natricule) {
-                    $student->user->natricule = $student->user->generateMatricule();
-                    $student->user->save();
-                }
-
-                // Générer numéro d'enregistrement
-                if (! $student->registration_number) {
-                    $student->registration_number = $student->generateRegistrationNumber();
-                    $student->save();
-                }
-
-                $progressBar->advance();
-            }
-
-            $progressBar->finish();
-            $this->newLine();
+            $this->backfillMatricules($students, $withStudentMatricule);
             $this->info('✅ Matricules générés avec succès!');
 
             return 0;
@@ -88,18 +66,32 @@ public function handle(): int
         }
 
         $this->info("Génération pour {$students->count()} élèves...");
+        $this->backfillMatricules($students, $withStudentMatricule);
+        $this->info('✅ Matricules générés avec succès!');
 
+        return 0;
+    }
+
+    /**
+     * Génère les matricules manquants pour un lot d'élèves.
+     *
+     * @param  Collection<int, Student>  $students
+     */
+    private function backfillMatricules(Collection $students, bool $withStudentMatricule): void
+    {
         $progressBar = $this->output->createProgressBar($students->count());
         $progressBar->start();
 
         foreach ($students as $student) {
+            // Matricule du compte utilisateur associé.
             if (! $student->user->natricule) {
                 $student->user->natricule = $student->user->generateMatricule();
                 $student->user->save();
             }
 
-            if (! $student->registration_number) {
-                $student->registration_number = $student->generateRegistrationNumber();
+            // Matricule de l'élève (optionnel, via --matricule).
+            if ($withStudentMatricule && empty($student->matricule)) {
+                $student->matricule = $student->generateMatricule();
                 $student->save();
             }
 
@@ -108,8 +100,5 @@ public function handle(): int
 
         $progressBar->finish();
         $this->newLine();
-        $this->info('✅ Matricules générés avec succès!');
-
-        return 0;
     }
 }
diff --git a/app/Http/Controllers/Administration/SubjectAssignmentController.php b/app/Http/Controllers/Administration/SubjectAssignmentController.php
index 08112f6..707d88b 100644
--- a/app/Http/Controllers/Administration/SubjectAssignmentController.php
+++ b/app/Http/Controllers/Administration/SubjectAssignmentController.php
@@ -91,8 +91,8 @@ public function statistics(Request $request): Response
         $assignments = $selected
             ? $this->teacherAssignments($teacherId, $yearFilter)->map(fn ($a) => [
                 'id' => $a->id,
-                'subject' => $a->subject?->name ?? '—',
-                'classroom' => $a->classroom?->name ?? '—',
+                'subject' => $a->subject->name ?? '—',
+                'classroom' => $a->classroom->name ?? '—',
                 'active' => (bool) $a->active,
             ])
             : collect();
@@ -143,7 +143,7 @@ public function exportStatistics(Request $request)
             'assignments' => $this->teacherAssignments($teacher->id, $yearId),
         ])->setPaper('a4', 'portrait');
 
-        return $pdf->stream('affectations-'.Str::slug(trim($teacher->firstname.' '.$teacher->lastname).'-'.($year?->year ?? '')).'.pdf');
+        return $pdf->stream('affectations-'.Str::slug(trim($teacher->firstname.' '.$teacher->lastname).'-'.($year->year ?? '')).'.pdf');
     }
 
     /** Identifiant de l'année académique active (la plus récente marquée active). */
@@ -170,7 +170,7 @@ private function teacherAssignments(string $teacherId, string $yearId): Collecti
             ->where('teacher_id', $teacherId)
             ->where('academic_year_id', $yearId)
             ->get()
-            ->sortBy(fn ($a) => ($a->subject?->name ?? '').' '.($a->classroom?->name ?? ''))
+            ->sortBy(fn ($a) => ($a->subject->name ?? '').' '.($a->classroom->name ?? ''))
             ->values();
     }
 
diff --git a/app/Http/Controllers/Api/ApiController.php b/app/Http/Controllers/Api/ApiController.php
index 9dd0da7..48783eb 100644
--- a/app/Http/Controllers/Api/ApiController.php
+++ b/app/Http/Controllers/Api/ApiController.php
@@ -18,6 +18,9 @@ abstract class ApiController extends Controller
      */
     protected function accessibleStudents(Request $request): Collection
     {
+        // Ces routes API authentifient un élève ou un tuteur (gardes Sanctum
+        // dédiées), jamais le User par défaut supposé par l'analyse statique.
+        /** @var Student|Guardian|null $user */
         $user = $request->user();
 
         if ($user instanceof Student) {
@@ -38,6 +41,7 @@ protected function accessibleStudents(Request $request): Collection
      */
     protected function resolveStudent(Request $request, string $studentId): Student
     {
+        /** @var Student|Guardian|null $user */
         $user = $request->user();
 
         if ($user instanceof Student) {
diff --git a/app/Http/Controllers/Api/V1/AuthController.php b/app/Http/Controllers/Api/V1/AuthController.php
index 7b8962f..e8da050 100644
--- a/app/Http/Controllers/Api/V1/AuthController.php
+++ b/app/Http/Controllers/Api/V1/AuthController.php
@@ -39,6 +39,8 @@ public function login(LoginRequest $request): JsonResponse
 
     public function me(Request $request): JsonResponse
     {
+        // Portail parent/élève : le principal authentifié est un tuteur ou un élève.
+        /** @var Guardian|Student $user */
         $user = $request->user();
         $type = $user instanceof Guardian ? 'guardian' : 'student';
 
@@ -47,7 +49,9 @@ public function me(Request $request): JsonResponse
 
     public function logout(Request $request): JsonResponse
     {
-        $request->user()->currentAccessToken()->delete();
+        /** @var Guardian|Student $user */
+        $user = $request->user();
+        $user->currentAccessToken()->delete();
 
         return response()->json(['message' => 'Déconnecté.']);
     }
diff --git a/app/Http/Controllers/Api/V1/ChildrenController.php b/app/Http/Controllers/Api/V1/ChildrenController.php
index 58edffc..b72c98f 100644
--- a/app/Http/Controllers/Api/V1/ChildrenController.php
+++ b/app/Http/Controllers/Api/V1/ChildrenController.php
@@ -16,6 +16,7 @@ public function index(Request $request): AnonymousResourceCollection
     {
         $withActiveEnrollment = ['enrollments' => fn ($q) => $q->where('status', Enrollment::STATUS_ACTIVE)->with('classroom:id,name')];
 
+        /** @var Student|Guardian $user */
         $user = $request->user();
 
         if ($user instanceof Student) {
diff --git a/app/Http/Controllers/Api/V1/DashboardController.php b/app/Http/Controllers/Api/V1/DashboardController.php
index 90a3101..7ca4251 100644
--- a/app/Http/Controllers/Api/V1/DashboardController.php
+++ b/app/Http/Controllers/Api/V1/DashboardController.php
@@ -45,7 +45,7 @@ public function index(Request $request): JsonResponse
                 'id' => $e->id,
                 'title' => $e->title,
                 'type' => $e->type,
-                'start_date' => $e->start_date?->format('Y-m-d'),
+                'start_date' => $e->start_date->format('Y-m-d'),
             ]);
 
         return response()->json([
diff --git a/app/Http/Controllers/Archives/ArchiveController.php b/app/Http/Controllers/Archives/ArchiveController.php
index 6eadf88..3ead58e 100644
--- a/app/Http/Controllers/Archives/ArchiveController.php
+++ b/app/Http/Controllers/Archives/ArchiveController.php
@@ -16,8 +16,6 @@
 
 class ArchiveController extends Controller
 {
-    private const TYPES = ['student' => Student::class, 'classroom' => Classroom::class];
-
     private function authorizeManage(Request $request): void
     {
         // Socle de sécurité : les routes portent déjà la permission fine (create/edit/
@@ -234,9 +232,12 @@ private function linkLabel(ArchivedDocument $d): ?string
             return null;
         }
 
-        return match ($d->documentable_type) {
-            Student::class => 'Élève : '.$d->documentable->name,
-            Classroom::class => 'Classe : '.$d->documentable->name,
+        $linked = $d->documentable;
+
+        return match (true) {
+            // Un élève n'a pas de colonne « name » : on compose nom + prénom.
+            $linked instanceof Student => 'Élève : '.trim($linked->firstname.' '.$linked->lastname),
+            $linked instanceof Classroom => 'Classe : '.$linked->name,
             default => null,
         };
     }
diff --git a/app/Http/Controllers/CalendarEventController.php b/app/Http/Controllers/CalendarEventController.php
index 60c48a3..7a8bce3 100644
--- a/app/Http/Controllers/CalendarEventController.php
+++ b/app/Http/Controllers/CalendarEventController.php
@@ -28,7 +28,7 @@ public function index(Request $request): Response
                 'title' => $e->title,
                 'description' => $e->description,
                 'type' => $e->type,
-                'start_date' => $e->start_date?->format('Y-m-d'),
+                'start_date' => $e->start_date->format('Y-m-d'),
                 'end_date' => $e->end_date?->format('Y-m-d'),
                 'all_day' => $e->all_day,
                 'start_time' => $e->start_time,
diff --git a/app/Http/Controllers/Comptabilite/CashAccountController.php b/app/Http/Controllers/Comptabilite/CashAccountController.php
index e982222..a70b40d 100644
--- a/app/Http/Controllers/Comptabilite/CashAccountController.php
+++ b/app/Http/Controllers/Comptabilite/CashAccountController.php
@@ -15,7 +15,7 @@ class CashAccountController extends Controller
     public function index(): Response
     {
         $accounts = CashAccount::withCount('payments')
-            ->withSum('transactions as total_income', 'amount', fn ($q) => $q->where('type', 'INCOME'))
+            ->withSum(['transactions as total_income' => fn ($q) => $q->where('type', 'INCOME')], 'amount')
             ->orderBy('type')
             ->orderBy('name')
             ->get();
diff --git a/app/Http/Controllers/Comptabilite/InvoiceController.php b/app/Http/Controllers/Comptabilite/InvoiceController.php
index e870f9c..33378cb 100644
--- a/app/Http/Controllers/Comptabilite/InvoiceController.php
+++ b/app/Http/Controllers/Comptabilite/InvoiceController.php
@@ -169,7 +169,7 @@ public function verifyReceipt(Request $request): Response
                 'valid' => true,
                 'receipt_number' => $receipt->receipt_number,
                 'amount' => (float) $receipt->payment->amount,
-                'paid_at' => $receipt->payment->paid_at?->format('d/m/Y'),
+                'paid_at' => $receipt->payment->paid_at->format('d/m/Y'),
                 'student' => $receipt->payment->invoice?->enrollment?->student
                     ? $receipt->payment->invoice->enrollment->student->lastname.' '.$receipt->payment->invoice->enrollment->student->firstname
                     : null,
diff --git a/app/Http/Controllers/Comptabilite/SituationController.php b/app/Http/Controllers/Comptabilite/SituationController.php
index aa2d864..6a0a856 100644
--- a/app/Http/Controllers/Comptabilite/SituationController.php
+++ b/app/Http/Controllers/Comptabilite/SituationController.php
@@ -93,10 +93,10 @@ classes.code                                                               AS cl
                     'lastname' => $e->student?->lastname,
                     'matricule' => $e->student?->matricule,
                     'invoice_number' => $e->invoice?->invoice_number,
-                    'total' => (float) ($e->invoice?->total ?? 0),
-                    'amount_paid' => (float) ($e->invoice?->amount_paid ?? 0),
-                    'amount_remaining' => (float) ($e->invoice?->amount_remaining ?? 0),
-                    'status' => $e->invoice?->status ?? 'ISSUED',
+                    'total' => (float) ($e->invoice->total ?? 0),
+                    'amount_paid' => (float) ($e->invoice->amount_paid ?? 0),
+                    'amount_remaining' => (float) ($e->invoice->amount_remaining ?? 0),
+                    'status' => $e->invoice->status ?? 'ISSUED',
                 ]);
         }
 
@@ -153,14 +153,14 @@ public function export(Request $request)
             foreach ($enrollments as $e) {
                 $inv = $e->invoice;
                 fputcsv($out, [
-                    $e->student?->matricule ?? '—',
-                    $e->student?->lastname ?? '—',
-                    $e->student?->firstname ?? '—',
-                    $e->classroom?->name ?? '—',
-                    $inv?->invoice_number ?? '—',
-                    number_format((float) ($inv?->total ?? 0), 0, ',', ' '),
-                    number_format((float) ($inv?->amount_paid ?? 0), 0, ',', ' '),
-                    number_format((float) ($inv?->amount_remaining ?? 0), 0, ',', ' '),
+                    $e->student->matricule ?? '—',
+                    $e->student->lastname ?? '—',
+                    $e->student->firstname ?? '—',
+                    $e->classroom->name ?? '—',
+                    $inv->invoice_number ?? '—',
+                    number_format((float) ($inv->total ?? 0), 0, ',', ' '),
+                    number_format((float) ($inv->amount_paid ?? 0), 0, ',', ' '),
+                    number_format((float) ($inv->amount_remaining ?? 0), 0, ',', ' '),
                     $this->statusLabel($inv?->status),
                 ], ';');
             }
diff --git a/app/Http/Controllers/Dashboard/DashboardController.php b/app/Http/Controllers/Dashboard/DashboardController.php
index f683f97..01dfcb8 100644
--- a/app/Http/Controllers/Dashboard/DashboardController.php
+++ b/app/Http/Controllers/Dashboard/DashboardController.php
@@ -115,12 +115,12 @@ public function index(Request $request): Response
                     'id' => $p->id,
                     'amount' => (float) $p->amount,
                     'payment_method' => $p->payment_method,
-                    'paid_at' => $p->paid_at?->toDateString(),
+                    'paid_at' => $p->paid_at->toDateString(),
                     'cash_account' => $p->cashAccount?->name,
                     'student_name' => $p->invoice?->enrollment?->student
                         ? $p->invoice->enrollment->student->firstname.' '.$p->invoice->enrollment->student->lastname
                         : '—',
-                    'class_name' => $p->invoice?->enrollment?->classroom?->name ?? '—',
+                    'class_name' => $p->invoice?->enrollment?->classroom->name ?? '—',
                 ]);
 
             /* Élèves avec aucun paiement (status ISSUED) — top 5 restant le + élevé */
@@ -193,14 +193,14 @@ public function index(Request $request): Response
                 ->map(fn ($e) => [
                     'id' => $e->id,
                     'enrollment_code' => $e->enrollment_code,
-                    'enrollment_date' => $e->enrollment_date?->toDateString(),
+                    'enrollment_date' => $e->enrollment_date->toDateString(),
                     'status' => $e->status,
                     'student_name' => $e->student
                         ? $e->student->firstname.' '.$e->student->lastname
                         : '—',
                     'matricule' => $e->student?->matricule,
-                    'class_name' => $e->classroom?->name ?? '—',
-                    'class_code' => $e->classroom?->code ?? '—',
+                    'class_name' => $e->classroom->name ?? '—',
+                    'class_code' => $e->classroom->code ?? '—',
                 ]);
 
             /* Répartition des inscriptions par classe (pour le graphe) */
@@ -265,8 +265,8 @@ public function index(Request $request): Response
                     'id' => $p->id,
                     'student_name' => $p->student ? $p->student->lastname.' '.$p->student->firstname : '—',
                     'reason' => $p->reason,
-                    'start_date' => $p->start_date?->format('d/m/Y'),
-                    'end_date' => $p->end_date?->format('d/m/Y'),
+                    'start_date' => $p->start_date->format('d/m/Y'),
+                    'end_date' => $p->end_date->format('d/m/Y'),
                 ]);
 
             /* Prochains examens officiels */
@@ -307,6 +307,8 @@ public function index(Request $request): Response
                 ->first(['id', 'name']);
 
             // Bulletins figés (locked_at) de l'année (et de la période courante le cas échéant).
+            // Agrégat sans GROUP BY : toujours une ligne, colonnes calculées.
+            /** @var object{validated: int|string, avg_general: float|int|string|null} $rc */
             $rc = ReportCard::query()
                 ->whereNotNull('locked_at')
                 ->when($yearId, fn ($q) => $q->where('academic_year_id', $yearId))
@@ -332,10 +334,10 @@ public function index(Request $request): Response
 
             $myAssignments = $assignments->map(fn ($a) => [
                 'id' => $a->id,
-                'subject' => $a->subject?->name ?? '—',
+                'subject' => $a->subject->name ?? '—',
                 'class_id' => $a->class_id,
-                'class_name' => $a->classroom?->name ?? '—',
-                'class_code' => $a->classroom?->code ?? '—',
+                'class_name' => $a->classroom->name ?? '—',
+                'class_code' => $a->classroom->code ?? '—',
             ]);
 
             /* Emploi du temps du jour (1=lundi … 6=samedi) */
@@ -350,8 +352,8 @@ public function index(Request $request): Response
                     'id' => $s->id,
                     'start_time' => substr((string) $s->start_time, 0, 5),
                     'end_time' => substr((string) $s->end_time, 0, 5),
-                    'subject' => $s->subject?->name ?? '—',
-                    'class_name' => $s->classroom?->name ?? '—',
+                    'subject' => $s->subject->name ?? '—',
+                    'class_name' => $s->classroom->name ?? '—',
                     'room' => $s->room,
                 ]);
 
@@ -378,9 +380,9 @@ public function index(Request $request): Response
                 ->get()
                 ->map(fn ($e) => [
                     'id' => $e->id,
-                    'name' => $e->template?->name ?? 'Évaluation',
-                    'subject' => $e->classSubject?->subject?->name ?? '—',
-                    'class_name' => $e->classSubject?->class?->name ?? '—',
+                    'name' => $e->template->name ?? 'Évaluation',
+                    'subject' => $e->classSubject?->subject->name ?? '—',
+                    'class_name' => $e->classSubject?->class->name ?? '—',
                     'date' => $e->date?->format('d/m/Y'),
                 ]);
 
diff --git a/app/Http/Controllers/Eleves/EnrollmentController.php b/app/Http/Controllers/Eleves/EnrollmentController.php
index 9fc5fc3..f2216fa 100644
--- a/app/Http/Controllers/Eleves/EnrollmentController.php
+++ b/app/Http/Controllers/Eleves/EnrollmentController.php
@@ -86,6 +86,9 @@ public function index(Request $request): Response
             ->where('invoices.status', '!=', 'CANCELLED');
         $applyFilters($aggQuery);
 
+        // Agrégat sans GROUP BY : renvoie toujours exactement une ligne de synthèse
+        // dont les colonnes sont calculées (invisibles à l'analyse statique).
+        /** @var object{billed: int|float|string, collected: int|float|string, remaining: int|float|string, unpaid_count: int|float|string, unpaid_amount: int|float|string} $agg */
         $agg = $aggQuery->selectRaw('
             COALESCE(SUM(invoices.total), 0) as billed,
             COALESCE(SUM(invoices.amount_paid), 0) as collected,
diff --git a/app/Http/Controllers/Eleves/RosterController.php b/app/Http/Controllers/Eleves/RosterController.php
index b84b80a..92a2d04 100644
--- a/app/Http/Controllers/Eleves/RosterController.php
+++ b/app/Http/Controllers/Eleves/RosterController.php
@@ -30,7 +30,7 @@ public function index(Request $request): Response
 
         // Année par défaut : celle demandée, sinon l'année active
         if ($yearId === '') {
-            $yearId = $activeYear?->id ?? '';
+            $yearId = $activeYear->id ?? '';
         }
 
         $classrooms = Classroom::where('active', true)->orderBy('name')->get(['id', 'name', 'code']);
@@ -59,7 +59,7 @@ public function index(Request $request): Response
                     'student_name' => $e->student ? $e->student->lastname.' '.$e->student->firstname : '—',
                     'matricule' => $e->student?->matricule,
                     'gender' => $e->student?->gender,
-                    'payment_status' => $e->invoice?->status ?? 'NONE',
+                    'payment_status' => $e->invoice->status ?? 'NONE',
                     'academic_status' => $e->academic_status ?? 'en_cours',
                     'status_reason' => $e->status_reason,
                 ])->values();
diff --git a/app/Http/Controllers/Eleves/StudentController.php b/app/Http/Controllers/Eleves/StudentController.php
index 555f6b5..f7893be 100644
--- a/app/Http/Controllers/Eleves/StudentController.php
+++ b/app/Http/Controllers/Eleves/StudentController.php
@@ -219,7 +219,7 @@ public function show(Student $student): Response
                 'reference_number' => $i->reference_number,
                 'template_name' => $i->template?->name,
                 'issued_by' => $i->issuedBy?->name,
-                'issued_at' => $i->issued_at?->format('d/m/Y H:i'),
+                'issued_at' => $i->issued_at->format('d/m/Y H:i'),
             ]);
 
         // Inscription de l'année active (pour la réaffectation de classe)
@@ -244,7 +244,7 @@ public function show(Student $student): Response
                 'class_id' => $currentEnrollment->class_id,
                 'class_name' => $currentEnrollment->classroom?->name,
                 'class_code' => $currentEnrollment->classroom?->code,
-                'year' => $activeYear?->year,
+                'year' => $activeYear->year,
             ] : null,
             'classrooms' => Classroom::where('active', true)->orderBy('name')->get(['id', 'name', 'code']),
             'documents' => $student->documents()->with('uploadedBy:id,firstname,lastname')->latest()->get()->map(fn ($d) => [
@@ -271,13 +271,13 @@ public function changeClass(Request $request, Student $student): RedirectRespons
         ]);
 
         $activeYear = AcademicYear::where('active', true)->first(['id']);
-        abort_unless($activeYear, 422, 'Aucune année académique active.');
+        abort_unless($activeYear !== null, 422, 'Aucune année académique active.');
 
         $enrollment = Enrollment::where('student_id', $student->id)
             ->where('academic_year_id', $activeYear->id)
             ->first();
 
-        abort_unless($enrollment, 422, 'Cet élève n\'a pas d\'inscription pour l\'année active.');
+        abort_unless($enrollment !== null, 422, 'Cet élève n\'a pas d\'inscription pour l\'année active.');
 
         $enrollment->update(['class_id' => $validated['class_id']]);
 
@@ -305,9 +305,9 @@ public function history(Student $student): Response
                     'code' => $enrollment->classroom?->code,
                 ],
                 'academic_year' => $enrollment->academicYear?->year,
-                'enrollment_date' => $enrollment->enrollment_date?->format('Y-m-d'),
+                'enrollment_date' => $enrollment->enrollment_date->format('Y-m-d'),
                 'enrollment_code' => $enrollment->enrollment_code,
-                'status' => $enrollment->invoice?->status ?? 'NONE',
+                'status' => $enrollment->invoice->status ?? 'NONE',
                 'academic_status' => $enrollment->academic_status ?? 'en_cours',
                 'academic_status_label' => Enrollment::ACADEMIC_STATUSES[$enrollment->academic_status ?? 'en_cours'] ?? '—',
                 'status_reason' => $enrollment->status_reason,
diff --git a/app/Http/Controllers/Eleves/StudentStatsController.php b/app/Http/Controllers/Eleves/StudentStatsController.php
index bf61172..410b632 100644
--- a/app/Http/Controllers/Eleves/StudentStatsController.php
+++ b/app/Http/Controllers/Eleves/StudentStatsController.php
@@ -8,6 +8,7 @@
 use App\Models\Student;
 use Illuminate\Http\Request;
 use Illuminate\Support\Carbon;
+use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Str;
 use Inertia\Inertia;
@@ -48,7 +49,8 @@ public function index(Request $request): Response
         ];
 
         // Répartition par nationalité (top 6, cohorte)
-        $byNationality = Student::query()
+        /** @var Collection<int, object{nationality: string, count: int|string}> $natRows */
+        $natRows = Student::query()
             ->whereIn('id', $studentIds)
             ->select('nationality', DB::raw('COUNT(*) as count'))
             ->whereNotNull('nationality')
@@ -56,8 +58,8 @@ public function index(Request $request): Response
             ->groupBy('nationality')
             ->orderByDesc('count')
             ->limit(6)
-            ->get()
-            ->map(fn ($r) => ['label' => $r->nationality, 'count' => (int) $r->count]);
+            ->get();
+        $byNationality = $natRows->map(fn ($r) => ['label' => $r->nationality, 'count' => (int) $r->count]);
 
         // Répartition par tranche d'âge (cohorte)
         $brackets = [
@@ -89,6 +91,7 @@ public function index(Request $request): Response
 
         // Sur-âge (retard scolaire) : âge de l'élève >= âge attendu de sa classe + 2.
         $overAgeThreshold = 2;
+        /** @var Collection<int, object{birth_date: string, expected_age: int|string}> $ageRows */
         $ageRows = Enrollment::query()
             ->join('classes', 'classes.id', '=', 'enrollments.class_id')
             ->join('students', 'students.id', '=', 'enrollments.student_id')
@@ -102,7 +105,8 @@ public function index(Request $request): Response
 
         // Effectifs par classe (année sélectionnée, scolarité active), enrichis du
         // cycle, du sexe et de la capacité pour permettre filtre et empilage côté client.
-        $byClass = $selectedYearId
+        /** @var Collection<int, object{label: string, cycle: ?string, capacity: int|string|null, level: int|string|null, total: int|string, male: int|string, female: int|string}> $byClassRows */
+        $byClassRows = $selectedYearId
             ? Enrollment::query()
                 ->join('classes', 'classes.id', '=', 'enrollments.class_id')
                 ->join('students', 'students.id', '=', 'enrollments.student_id')
@@ -118,16 +122,16 @@ classes.expected_age AS level,
                 ->orderByRaw('classes.expected_age NULLS LAST')
                 ->orderBy('classes.name')
                 ->get()
-                ->map(fn ($r) => [
-                    'label' => $r->label,
-                    'cycle' => $this->cycleLabel($r->cycle),
-                    'capacity' => (int) $r->capacity,
-                    'level' => $r->level !== null ? (int) $r->level : null,
-                    'count' => (int) $r->total,
-                    'male' => (int) $r->male,
-                    'female' => (int) $r->female,
-                ])
             : collect();
+        $byClass = $byClassRows->map(fn ($r) => [
+            'label' => $r->label,
+            'cycle' => $this->cycleLabel($r->cycle),
+            'capacity' => (int) $r->capacity,
+            'level' => $r->level !== null ? (int) $r->level : null,
+            'count' => (int) $r->total,
+            'male' => (int) $r->male,
+            'female' => (int) $r->female,
+        ]);
 
         return Inertia::render('Eleves/Students/Stats', [
             'summary' => [
diff --git a/app/Http/Controllers/Eleves/TimetableController.php b/app/Http/Controllers/Eleves/TimetableController.php
index a0802eb..df4b6e7 100644
--- a/app/Http/Controllers/Eleves/TimetableController.php
+++ b/app/Http/Controllers/Eleves/TimetableController.php
@@ -125,7 +125,7 @@ public function teacherExport(Request $request)
         return $this->schedulePdf(
             $this->teacherSlots($teacher->id, $activeYearId),
             title: 'EMPLOI DU TEMPS — ENSEIGNANT',
-            subtitle: $teacher->name.' — Année : '.($year?->year ?? '—'),
+            subtitle: $teacher->name.' — Année : '.($year->year ?? '—'),
             filename: 'emploi-du-temps-'.Str::slug($teacher->name),
         );
     }
@@ -211,15 +211,19 @@ private function teacherSlots(string $teacherId, ?string $yearId): Collection
      */
     private function buildScheduleGrid(Collection $slots): array
     {
-        $range = fn ($s) => substr($s->start_time, 0, 5).'-'.substr($s->end_time, 0, 5);
+        $range = fn (TimetableSlot $s): string => substr($s->start_time, 0, 5).'-'.substr($s->end_time, 0, 5);
 
+        /** @var array<string, array<int, TimetableSlot>> $grid */
         $grid = [];
         foreach ($slots as $slot) {
             $grid[$range($slot)][$slot->day_of_week] = $slot;
         }
 
+        /** @var Collection<int, string> $timeRanges */
+        $timeRanges = $slots->map($range)->unique()->sort()->values();
+
         return [
-            'timeRanges' => $slots->map($range)->unique()->sort()->values(),
+            'timeRanges' => $timeRanges,
             'grid' => $grid,
         ];
     }
diff --git a/app/Http/Controllers/Examens/MarkController.php b/app/Http/Controllers/Examens/MarkController.php
index 43ff238..900a57e 100644
--- a/app/Http/Controllers/Examens/MarkController.php
+++ b/app/Http/Controllers/Examens/MarkController.php
@@ -61,7 +61,7 @@ public function index(Evaluation $evaluation): Response
                 'student' => $enrollment->student,
                 'mark_id' => $mark?->id,
                 'score' => $mark?->score !== null ? (float) $mark->score : null,
-                'absent' => $mark?->absent ?? false,
+                'absent' => $mark->absent ?? false,
                 'comments' => $mark?->comments,
             ];
         })->values();
@@ -97,7 +97,7 @@ public function store(Request $request, Evaluation $evaluation)
             return back()->withErrors(['locked' => $decision->message()]);
         }
 
-        $maxScore = (float) ($evaluation->template?->max_score ?? 20);
+        $maxScore = (float) ($evaluation->template->max_score ?? 20);
 
         // L'élève noté doit être inscrit (activement) dans la classe de l'évaluation :
         // `exists:students,id` seul laisserait noter un élève d'une autre classe.
diff --git a/app/Http/Controllers/Examens/OfficialExamController.php b/app/Http/Controllers/Examens/OfficialExamController.php
index 33400cd..7507d45 100644
--- a/app/Http/Controllers/Examens/OfficialExamController.php
+++ b/app/Http/Controllers/Examens/OfficialExamController.php
@@ -26,7 +26,7 @@ public function index(Request $request): Response
         $years = AcademicYear::orderByDesc('start_date')->get(['id', 'year', 'active']);
 
         // Année par défaut = année académique active
-        $yearId = $request->string('academic_year_id')->toString() ?: ($activeYear?->id ?? '');
+        $yearId = $request->string('academic_year_id')->toString() ?: ($activeYear->id ?? '');
         $type = $request->string('type')->toString();
         $session = $request->string('session')->toString();
         $status = $request->string('status')->toString();
diff --git a/app/Http/Controllers/Notes/NoteReclamationController.php b/app/Http/Controllers/Notes/NoteReclamationController.php
index 251c1b4..43db1d8 100644
--- a/app/Http/Controllers/Notes/NoteReclamationController.php
+++ b/app/Http/Controllers/Notes/NoteReclamationController.php
@@ -55,7 +55,7 @@ public function index(Request $request): Response
         ]);
     }
 
-    public function create(Request $request): Response
+    public function create(Request $request): Response|RedirectResponse
     {
         abort_unless($request->user()->can('create_note_reclamations'), 403);
 
@@ -152,7 +152,7 @@ public function review(ReviewNoteReclamationRequest $request, NoteReclamation $n
 
         $data = $request->validated();
         $evaluation = $noteReclamation->evaluation()->with('template:id,max_score')->first();
-        $maxScore = (float) ($evaluation?->template?->max_score ?? 9999);
+        $maxScore = (float) ($evaluation?->template->max_score ?? 9999);
 
         if ($data['status'] === 'approved' && isset($data['corrected_score']) && $data['corrected_score'] > $maxScore) {
             return back()->withErrors(['corrected_score' => "La note corrigée ne peut pas dépasser {$maxScore}."]);
diff --git a/app/Http/Controllers/Parametres/BulletinTemplateController.php b/app/Http/Controllers/Parametres/BulletinTemplateController.php
index c105df6..024894b 100644
--- a/app/Http/Controllers/Parametres/BulletinTemplateController.php
+++ b/app/Http/Controllers/Parametres/BulletinTemplateController.php
@@ -21,8 +21,8 @@ public function edit(Request $request): Response
         $template = BulletinTemplate::where('school_id', $school->id)
             ->whereNull('classroom_type_id')->first();
 
-        $columns = $template?->columns ?? BulletinTemplate::defaultColumns();
-        $options = $template?->options ?? BulletinTemplate::defaultOptions();
+        $columns = $template->columns ?? BulletinTemplate::defaultColumns();
+        $options = $template->options ?? BulletinTemplate::defaultOptions();
 
         return Inertia::render('Parametres/BulletinTemplates/Edit', [
             'columns' => $columns,
@@ -87,7 +87,7 @@ private function presets(): array
     private function activeSchool(): School
     {
         $school = School::query()->first();
-        abort_unless($school, 404, 'Aucune école configurée.');
+        abort_unless($school !== null, 404, 'Aucune école configurée.');
 
         return $school;
     }
diff --git a/app/Http/Controllers/Parametres/DocumentHeaderController.php b/app/Http/Controllers/Parametres/DocumentHeaderController.php
index 040c7a3..57268cd 100644
--- a/app/Http/Controllers/Parametres/DocumentHeaderController.php
+++ b/app/Http/Controllers/Parametres/DocumentHeaderController.php
@@ -29,7 +29,7 @@ public function edit(Request $request): Response
 
         return Inertia::render('Parametres/Documents/HeaderDesigner', [
             'header' => $config,
-            'preset' => $header?->preset ?? 'ministeriel',
+            'preset' => $header->preset ?? 'ministeriel',
             'presets' => DocumentHeader::PRESETS,
             'default' => DocumentHeader::defaultLayout($school),
             'watermarkImageUrl' => $this->mediaUrl($config['watermark']['image_path'] ?? null),
@@ -97,7 +97,7 @@ private function sanitizeLayout(array $layout): array
     private function activeSchool(): School
     {
         $school = School::query()->first();
-        abort_unless($school, 404, 'Aucune école configurée.');
+        abort_unless($school !== null, 404, 'Aucune école configurée.');
 
         return $school;
     }
diff --git a/app/Http/Controllers/Parametres/DocumentTemplateController.php b/app/Http/Controllers/Parametres/DocumentTemplateController.php
index f089a66..33e61a2 100644
--- a/app/Http/Controllers/Parametres/DocumentTemplateController.php
+++ b/app/Http/Controllers/Parametres/DocumentTemplateController.php
@@ -83,7 +83,7 @@ public function registry(Request $request): Response
                 'student_name' => $i->student ? $i->student->lastname.' '.$i->student->firstname : '—',
                 'student_matricule' => $i->student?->matricule,
                 'issued_by' => $i->issuedBy?->name,
-                'issued_at' => $i->issued_at?->format('d/m/Y H:i'),
+                'issued_at' => $i->issued_at->format('d/m/Y H:i'),
             ]);
 
         return Inertia::render('Parametres/Documents/Registry', [
diff --git a/app/Http/Controllers/Presences/AttendanceController.php b/app/Http/Controllers/Presences/AttendanceController.php
index e128571..3a429a5 100644
--- a/app/Http/Controllers/Presences/AttendanceController.php
+++ b/app/Http/Controllers/Presences/AttendanceController.php
@@ -77,7 +77,7 @@ public function index(Request $request): Response
                     'student_id' => $enrollment->student_id,
                     'student' => $enrollment->student,
                     'record_id' => $record?->id,
-                    'status' => $record?->status ?? ($permission ? 'excused' : 'present'),
+                    'status' => $record->status ?? ($permission ? 'excused' : 'present'),
                     'minutes_late' => $record?->minutes_late,
                     'comment' => $record?->comment,
                     'has_permission' => (bool) $permission,
diff --git a/app/Http/Middleware/SetLocale.php b/app/Http/Middleware/SetLocale.php
index 128e248..24cf854 100644
--- a/app/Http/Middleware/SetLocale.php
+++ b/app/Http/Middleware/SetLocale.php
@@ -16,7 +16,7 @@ class SetLocale
      */
     public function handle(Request $request, Closure $next): Response
     {
-        $candidate = $request->user()?->locale
+        $candidate = $request->user()->locale
             ?? $request->session()->get('locale')
             ?? config('app.locale');
 
diff --git a/app/Http/Resources/Api/CalendarEventResource.php b/app/Http/Resources/Api/CalendarEventResource.php
index cc3b310..f148d84 100644
--- a/app/Http/Resources/Api/CalendarEventResource.php
+++ b/app/Http/Resources/Api/CalendarEventResource.php
@@ -2,9 +2,13 @@
 
 namespace App\Http\Resources\Api;
 
+use App\Models\CalendarEvent;
 use Illuminate\Http\Request;
 use Illuminate\Http\Resources\Json\JsonResource;
 
+/**
+ * @mixin CalendarEvent
+ */
 class CalendarEventResource extends JsonResource
 {
     public function toArray(Request $request): array
@@ -13,7 +17,7 @@ public function toArray(Request $request): array
             'id' => $this->id,
             'title' => $this->title,
             'type' => $this->type,
-            'start_date' => $this->start_date?->format('Y-m-d'),
+            'start_date' => $this->start_date->format('Y-m-d'),
             'end_date' => $this->end_date?->format('Y-m-d'),
             'all_day' => $this->all_day,
             'start_time' => $this->start_time,
diff --git a/app/Http/Resources/Api/ReportCardResource.php b/app/Http/Resources/Api/ReportCardResource.php
index 72db4cb..0301402 100644
--- a/app/Http/Resources/Api/ReportCardResource.php
+++ b/app/Http/Resources/Api/ReportCardResource.php
@@ -2,9 +2,13 @@
 
 namespace App\Http\Resources\Api;
 
+use App\Models\ReportCard;
 use Illuminate\Http\Request;
 use Illuminate\Http\Resources\Json\JsonResource;
 
+/**
+ * @mixin ReportCard
+ */
 class ReportCardResource extends JsonResource
 {
     public function toArray(Request $request): array
diff --git a/app/Http/Resources/Api/StudentResource.php b/app/Http/Resources/Api/StudentResource.php
index c44af47..74558f1 100644
--- a/app/Http/Resources/Api/StudentResource.php
+++ b/app/Http/Resources/Api/StudentResource.php
@@ -2,9 +2,13 @@
 
 namespace App\Http\Resources\Api;
 
+use App\Models\Student;
 use Illuminate\Http\Request;
 use Illuminate\Http\Resources\Json\JsonResource;
 
+/**
+ * @mixin Student
+ */
 class StudentResource extends JsonResource
 {
     public function toArray(Request $request): array
diff --git a/app/Models/AbsencePermission.php b/app/Models/AbsencePermission.php
index b11fd80..ecd6038 100644
--- a/app/Models/AbsencePermission.php
+++ b/app/Models/AbsencePermission.php
@@ -32,21 +32,33 @@ class AbsencePermission extends Model
         'reviewed_at' => 'datetime',
     ];
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function requestedBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'requested_by');
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function reviewedBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'reviewed_by');
     }
 
+    /**
+     * @return HasMany<AttendanceRecord, $this>
+     */
     public function attendanceRecords(): HasMany
     {
         return $this->hasMany(AttendanceRecord::class, 'permission_id');
diff --git a/app/Models/AcademicPeriod.php b/app/Models/AcademicPeriod.php
index 12bd703..02cacda 100644
--- a/app/Models/AcademicPeriod.php
+++ b/app/Models/AcademicPeriod.php
@@ -16,12 +16,12 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Concerns\HasUuids;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
-use Illuminate\Support\Collection;
 
 class AcademicPeriod extends Model
 {
@@ -49,6 +49,8 @@ class AcademicPeriod extends Model
 
     /**
      * Get the academic year that owns the period.
+     *
+     * @return BelongsTo<AcademicYear, $this>
      */
     public function academicYear(): BelongsTo
     {
@@ -57,6 +59,8 @@ public function academicYear(): BelongsTo
 
     /**
      * Get the class type this period is scoped to (null = toutes les classes).
+     *
+     * @return BelongsTo<ClassroomType, $this>
      */
     public function classType(): BelongsTo
     {
@@ -65,6 +69,8 @@ public function classType(): BelongsTo
 
     /**
      * Get evaluations attached to this academic period.
+     *
+     * @return HasMany<Evaluation, $this>
      */
     public function evaluations(): HasMany
     {
@@ -75,7 +81,7 @@ public function evaluations(): HasMany
      * Périodes applicables à un type de classe pour une année donnée.
      * Priorité aux périodes spécifiques au type ; sinon, périodes globales (class_type_id null).
      *
-     * @return Collection<int, AcademicPeriod>
+     * @return Collection<int, static>
      */
     public static function forClassType(?string $academicYearId, ?string $classTypeId)
     {
diff --git a/app/Models/AcademicYear.php b/app/Models/AcademicYear.php
index dc68093..a1877c3 100644
--- a/app/Models/AcademicYear.php
+++ b/app/Models/AcademicYear.php
@@ -48,6 +48,8 @@ public function getNameAttribute(): string
 
     /**
      * Get all student scholarships for this academic year.
+     *
+     * @return HasMany<StudentScholarship, $this>
      */
     public function studentScholarships(): HasMany
     {
diff --git a/app/Models/AccountingTransaction.php b/app/Models/AccountingTransaction.php
index 3d7b9e4..1980a69 100644
--- a/app/Models/AccountingTransaction.php
+++ b/app/Models/AccountingTransaction.php
@@ -34,11 +34,17 @@ class AccountingTransaction extends Model
     /* Relations */
     /* ------------------------------------------------------------------ */
 
+    /**
+     * @return BelongsTo<CashAccount, $this>
+     */
     public function cashAccount(): BelongsTo
     {
         return $this->belongsTo(CashAccount::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function createdBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'created_by');
diff --git a/app/Models/ArchivedDocument.php b/app/Models/ArchivedDocument.php
index 87a079d..c368913 100644
--- a/app/Models/ArchivedDocument.php
+++ b/app/Models/ArchivedDocument.php
@@ -37,11 +37,17 @@ class ArchivedDocument extends Model
         'autre' => 'Autre',
     ];
 
+    /**
+     * @return BelongsToMany<DocumentTag, $this>
+     */
     public function tags(): BelongsToMany
     {
         return $this->belongsToMany(DocumentTag::class, 'archived_document_tag');
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function archivedBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'archived_by');
diff --git a/app/Models/Attendance.php b/app/Models/Attendance.php
index 6c1e744..f57a5ac 100644
--- a/app/Models/Attendance.php
+++ b/app/Models/Attendance.php
@@ -25,21 +25,33 @@ class Attendance extends Model
         'date' => 'date',
     ];
 
+    /**
+     * @return BelongsTo<Classroom, $this>
+     */
     public function classroom(): BelongsTo
     {
         return $this->belongsTo(Classroom::class, 'class_id');
     }
 
+    /**
+     * @return BelongsTo<AcademicPeriod, $this>
+     */
     public function academicPeriod(): BelongsTo
     {
         return $this->belongsTo(AcademicPeriod::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function recordedBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'recorded_by');
     }
 
+    /**
+     * @return HasMany<AttendanceRecord, $this>
+     */
     public function records(): HasMany
     {
         return $this->hasMany(AttendanceRecord::class);
diff --git a/app/Models/AttendanceRecord.php b/app/Models/AttendanceRecord.php
index 6b9a998..c45ba1e 100644
--- a/app/Models/AttendanceRecord.php
+++ b/app/Models/AttendanceRecord.php
@@ -24,16 +24,25 @@ class AttendanceRecord extends Model
         'minutes_late' => 'integer',
     ];
 
+    /**
+     * @return BelongsTo<Attendance, $this>
+     */
     public function attendance(): BelongsTo
     {
         return $this->belongsTo(Attendance::class);
     }
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
     }
 
+    /**
+     * @return BelongsTo<AbsencePermission, $this>
+     */
     public function permission(): BelongsTo
     {
         return $this->belongsTo(AbsencePermission::class, 'permission_id');
diff --git a/app/Models/AuditLog.php b/app/Models/AuditLog.php
index 23d4059..73c7fce 100644
--- a/app/Models/AuditLog.php
+++ b/app/Models/AuditLog.php
@@ -31,6 +31,9 @@ class AuditLog extends Model
         'new_values' => 'array',
     ];
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function user(): BelongsTo
     {
         return $this->belongsTo(User::class);
diff --git a/app/Models/Backup.php b/app/Models/Backup.php
index 213021a..caae059 100644
--- a/app/Models/Backup.php
+++ b/app/Models/Backup.php
@@ -22,11 +22,17 @@ class Backup extends Model
         'includes_media' => 'boolean',
     ];
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function createdBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'created_by');
     }
 
+    /**
+     * @return BelongsTo<AcademicYear, $this>
+     */
     public function academicYear(): BelongsTo
     {
         return $this->belongsTo(AcademicYear::class, 'academic_year_id');
diff --git a/app/Models/BulletinTemplate.php b/app/Models/BulletinTemplate.php
index 5d3fc6d..62db6de 100644
--- a/app/Models/BulletinTemplate.php
+++ b/app/Models/BulletinTemplate.php
@@ -45,11 +45,17 @@ class BulletinTemplate extends Model
         'moyenne' => 'Moyenne de période',
     ];
 
+    /**
+     * @return BelongsTo<School, $this>
+     */
     public function school(): BelongsTo
     {
         return $this->belongsTo(School::class);
     }
 
+    /**
+     * @return BelongsTo<ClassroomType, $this>
+     */
     public function classroomType(): BelongsTo
     {
         return $this->belongsTo(ClassroomType::class, 'classroom_type_id');
diff --git a/app/Models/CalendarEvent.php b/app/Models/CalendarEvent.php
index bb562af..9c5dd8e 100644
--- a/app/Models/CalendarEvent.php
+++ b/app/Models/CalendarEvent.php
@@ -40,11 +40,17 @@ class CalendarEvent extends Model
         'other' => 'Autre',
     ];
 
+    /**
+     * @return BelongsTo<AcademicYear, $this>
+     */
     public function academicYear(): BelongsTo
     {
         return $this->belongsTo(AcademicYear::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function createdBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'created_by');
diff --git a/app/Models/CashAccount.php b/app/Models/CashAccount.php
index 757c4e3..1f610ca 100644
--- a/app/Models/CashAccount.php
+++ b/app/Models/CashAccount.php
@@ -28,11 +28,17 @@ class CashAccount extends Model
     /* Relations */
     /* ------------------------------------------------------------------ */
 
+    /**
+     * @return HasMany<AccountingTransaction, $this>
+     */
     public function transactions(): HasMany
     {
         return $this->hasMany(AccountingTransaction::class);
     }
 
+    /**
+     * @return HasMany<Payment, $this>
+     */
     public function payments(): HasMany
     {
         return $this->hasMany(Payment::class);
@@ -44,11 +50,11 @@ public function payments(): HasMany
 
     public function typeLabel(): string
     {
+        // Colonne enum en base : les trois valeurs couvrent tous les cas.
         return match ($this->type) {
             'CASH' => 'Espèces',
             'MOBILE_MONEY' => 'Mobile Money',
             'BANK' => 'Banque',
-            default => $this->type,
         };
     }
 }
diff --git a/app/Models/ClassSubject.php b/app/Models/ClassSubject.php
index fd34eeb..c5ad7dc 100644
--- a/app/Models/ClassSubject.php
+++ b/app/Models/ClassSubject.php
@@ -46,6 +46,8 @@ class ClassSubject extends Model
 
     /**
      * Get the class this assignment belongs to.
+     *
+     * @return BelongsTo<Classroom, $this>
      */
     public function class(): BelongsTo
     {
@@ -54,6 +56,8 @@ public function class(): BelongsTo
 
     /**
      * Get the subject for this assignment.
+     *
+     * @return BelongsTo<Subject, $this>
      */
     public function subject(): BelongsTo
     {
@@ -62,6 +66,8 @@ public function subject(): BelongsTo
 
     /**
      * Get the academic year for this class-subject assignment.
+     *
+     * @return BelongsTo<AcademicYear, $this>
      */
     public function academicYear(): BelongsTo
     {
@@ -70,6 +76,8 @@ public function academicYear(): BelongsTo
 
     /**
      * Get all grades for this class-subject combination.
+     *
+     * @return HasMany<Grade, $this>
      */
     public function grades(): HasMany
     {
@@ -78,6 +86,8 @@ public function grades(): HasMany
 
     /**
      * Get all evaluations for this class-subject combination.
+     *
+     * @return HasMany<Evaluation, $this>
      */
     public function evaluations(): HasMany
     {
diff --git a/app/Models/Classroom.php b/app/Models/Classroom.php
index 614d9ef..43d9807 100644
--- a/app/Models/Classroom.php
+++ b/app/Models/Classroom.php
@@ -45,6 +45,8 @@ class Classroom extends Model
 
     /**
      * Get the classroom type for this classroom.
+     *
+     * @return BelongsTo<ClassroomType, $this>
      */
     public function type(): BelongsTo
     {
@@ -53,6 +55,8 @@ public function type(): BelongsTo
 
     /**
      * Alias for type() relationship.
+     *
+     * @return BelongsTo<ClassroomType, $this>
      */
     public function classroomType(): BelongsTo
     {
@@ -61,6 +65,8 @@ public function classroomType(): BelongsTo
 
     /**
      * Get all attendances for this class.
+     *
+     * @return HasMany<Attendance, $this>
      */
     public function attendances(): HasMany
     {
@@ -69,6 +75,8 @@ public function attendances(): HasMany
 
     /**
      * Get all class subjects for this class.
+     *
+     * @return HasMany<ClassSubject, $this>
      */
     public function classSubjects(): HasMany
     {
@@ -77,6 +85,8 @@ public function classSubjects(): HasMany
 
     /**
      * Get all evaluations for this class.
+     *
+     * @return HasMany<Evaluation, $this>
      */
     public function evaluations(): HasMany
     {
diff --git a/app/Models/ClassroomType.php b/app/Models/ClassroomType.php
index efc89cd..0a8c4ab 100644
--- a/app/Models/ClassroomType.php
+++ b/app/Models/ClassroomType.php
@@ -55,13 +55,19 @@ public function periodsCount(): int
 
     /**
      * Get all classrooms with this type.
+     *
+     * @return HasMany<Classroom, $this>
      */
     public function classrooms(): HasMany
     {
         return $this->hasMany(Classroom::class, 'classroom_type_id');
     }
 
-    /** Écoles qui proposent ce type de classe. */
+    /**
+     * Écoles qui proposent ce type de classe.
+     *
+     * @return BelongsToMany<School, $this>
+     */
     public function schools(): BelongsToMany
     {
         return $this->belongsToMany(School::class, 'class_type_school');
diff --git a/app/Models/DocumentHeader.php b/app/Models/DocumentHeader.php
index 53c56c0..7434e8d 100644
--- a/app/Models/DocumentHeader.php
+++ b/app/Models/DocumentHeader.php
@@ -32,6 +32,9 @@ class DocumentHeader extends Model
     /** Largeur de référence du canevas = largeur utile d'une page A4 portrait (px @96dpi). */
     public const CANVAS_WIDTH = 760;
 
+    /**
+     * @return BelongsTo<School, $this>
+     */
     public function school(): BelongsTo
     {
         return $this->belongsTo(School::class);
diff --git a/app/Models/DocumentIssuance.php b/app/Models/DocumentIssuance.php
index 2393a77..8fb8611 100644
--- a/app/Models/DocumentIssuance.php
+++ b/app/Models/DocumentIssuance.php
@@ -24,16 +24,25 @@ class DocumentIssuance extends Model
         'issued_at' => 'datetime',
     ];
 
+    /**
+     * @return BelongsTo<DocumentTemplate, $this>
+     */
     public function template(): BelongsTo
     {
         return $this->belongsTo(DocumentTemplate::class, 'template_id');
     }
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function issuedBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'issued_by');
diff --git a/app/Models/DocumentTag.php b/app/Models/DocumentTag.php
index 1efa59b..67cbdd0 100644
--- a/app/Models/DocumentTag.php
+++ b/app/Models/DocumentTag.php
@@ -13,6 +13,9 @@ class DocumentTag extends Model
 
     protected $fillable = ['name', 'slug', 'color'];
 
+    /**
+     * @return BelongsToMany<ArchivedDocument, $this>
+     */
     public function documents(): BelongsToMany
     {
         return $this->belongsToMany(ArchivedDocument::class, 'archived_document_tag');
diff --git a/app/Models/DocumentTemplate.php b/app/Models/DocumentTemplate.php
index fa5e21b..a0854cd 100644
--- a/app/Models/DocumentTemplate.php
+++ b/app/Models/DocumentTemplate.php
@@ -82,11 +82,17 @@ class DocumentTemplate extends Model
         ],
     ];
 
+    /**
+     * @return BelongsTo<School, $this>
+     */
     public function school(): BelongsTo
     {
         return $this->belongsTo(School::class);
     }
 
+    /**
+     * @return HasMany<DocumentIssuance, $this>
+     */
     public function issuances(): HasMany
     {
         return $this->hasMany(DocumentIssuance::class, 'template_id');
diff --git a/app/Models/EmployeeAllowance.php b/app/Models/EmployeeAllowance.php
index 9f9f9d7..15fbffc 100644
--- a/app/Models/EmployeeAllowance.php
+++ b/app/Models/EmployeeAllowance.php
@@ -36,11 +36,17 @@ class EmployeeAllowance extends Model
         'active' => 'boolean',
     ];
 
+    /**
+     * @return BelongsTo<EmployeeProfile, $this>
+     */
     public function employeeProfile(): BelongsTo
     {
         return $this->belongsTo(EmployeeProfile::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function createdBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'created_by');
diff --git a/app/Models/EmployeeProfile.php b/app/Models/EmployeeProfile.php
index 3fc5011..b55f247 100644
--- a/app/Models/EmployeeProfile.php
+++ b/app/Models/EmployeeProfile.php
@@ -37,22 +37,35 @@ class EmployeeProfile extends Model
         'end_date' => 'date',
     ];
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function user(): BelongsTo
     {
         return $this->belongsTo(User::class);
     }
 
+    /**
+     * @return HasMany<Payslip, $this>
+     */
     public function payslips(): HasMany
     {
         return $this->hasMany(Payslip::class);
     }
 
+    /**
+     * @return BelongsTo<SalaryGrade, $this>
+     */
     public function salaryGrade(): BelongsTo
     {
         return $this->belongsTo(SalaryGrade::class);
     }
 
-    /** Primes / retenues récurrentes propres à l'employé (tracées). */
+    /**
+     * Primes / retenues récurrentes propres à l'employé (tracées).
+     *
+     * @return HasMany<EmployeeAllowance, $this>
+     */
     public function allowances(): HasMany
     {
         return $this->hasMany(EmployeeAllowance::class);
@@ -61,7 +74,7 @@ public function allowances(): HasMany
     /** Nom complet de l'employé (via le compte utilisateur). */
     public function fullName(): string
     {
-        return trim(($this->user?->firstname ?? '').' '.($this->user?->lastname ?? ''));
+        return trim(($this->user->firstname ?? '').' '.($this->user->lastname ?? ''));
     }
 
     /**
@@ -70,6 +83,6 @@ public function fullName(): string
      */
     public function effectiveBaseSalary(): float
     {
-        return (float) ($this->salaryGrade?->base_amount ?? $this->base_salary);
+        return (float) ($this->salaryGrade->base_amount ?? $this->base_salary);
     }
 }
diff --git a/app/Models/Enrollment.php b/app/Models/Enrollment.php
index ebff4ed..e1450af 100644
--- a/app/Models/Enrollment.php
+++ b/app/Models/Enrollment.php
@@ -79,31 +79,49 @@ public function scopeActive(Builder $query): Builder
     /** Statuts considérés comme « scolarité active » (présents à l'appel). */
     public const ACTIVE_ACADEMIC_STATUSES = ['en_cours', 'valide', 'non_valide'];
 
+    /**
+     * @return BelongsTo<School, $this>
+     */
     public function school(): BelongsTo
     {
         return $this->belongsTo(School::class);
     }
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
     }
 
+    /**
+     * @return BelongsTo<Classroom, $this>
+     */
     public function classroom(): BelongsTo
     {
         return $this->belongsTo(Classroom::class, 'class_id');
     }
 
+    /**
+     * @return BelongsTo<AcademicYear, $this>
+     */
     public function academicYear(): BelongsTo
     {
         return $this->belongsTo(AcademicYear::class, 'academic_year_id');
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function enrolledBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'enrolled_by');
     }
 
+    /**
+     * @return HasOne<Invoice, $this>
+     */
     public function invoice(): HasOne
     {
         return $this->hasOne(Invoice::class);
diff --git a/app/Models/Evaluation.php b/app/Models/Evaluation.php
index 5e16b4c..173e6fe 100644
--- a/app/Models/Evaluation.php
+++ b/app/Models/Evaluation.php
@@ -32,16 +32,25 @@ class Evaluation extends Model
         'locked_at' => 'datetime',
     ];
 
+    /**
+     * @return BelongsTo<EvaluationTemplate, $this>
+     */
     public function template(): BelongsTo
     {
         return $this->belongsTo(EvaluationTemplate::class, 'evaluation_template_id');
     }
 
+    /**
+     * @return BelongsTo<ClassSubject, $this>
+     */
     public function classSubject(): BelongsTo
     {
         return $this->belongsTo(ClassSubject::class);
     }
 
+    /**
+     * @return HasMany<Mark, $this>
+     */
     public function marks(): HasMany
     {
         return $this->hasMany(Mark::class);
diff --git a/app/Models/EvaluationTemplate.php b/app/Models/EvaluationTemplate.php
index 68bdd95..c8a1209 100644
--- a/app/Models/EvaluationTemplate.php
+++ b/app/Models/EvaluationTemplate.php
@@ -34,21 +34,33 @@ class EvaluationTemplate extends Model
         'date' => 'date',
     ];
 
+    /**
+     * @return BelongsTo<AcademicPeriod, $this>
+     */
     public function academicPeriod(): BelongsTo
     {
         return $this->belongsTo(AcademicPeriod::class);
     }
 
+    /**
+     * @return BelongsTo<ClassroomType, $this>
+     */
     public function classType(): BelongsTo
     {
         return $this->belongsTo(ClassroomType::class, 'class_type_id');
     }
 
+    /**
+     * @return BelongsTo<EvaluationType, $this>
+     */
     public function evaluationType(): BelongsTo
     {
         return $this->belongsTo(EvaluationType::class);
     }
 
+    /**
+     * @return HasMany<Evaluation, $this>
+     */
     public function evaluations(): HasMany
     {
         return $this->hasMany(Evaluation::class);
diff --git a/app/Models/EvaluationType.php b/app/Models/EvaluationType.php
index 1879788..29babde 100644
--- a/app/Models/EvaluationType.php
+++ b/app/Models/EvaluationType.php
@@ -39,6 +39,8 @@ class EvaluationType extends Model
 
     /**
      * Get all evaluations for this type.
+     *
+     * @return HasMany<Evaluation, $this>
      */
     public function evaluations(): HasMany
     {
diff --git a/app/Models/FeeStructure.php b/app/Models/FeeStructure.php
index 9e6825d..58785a3 100644
--- a/app/Models/FeeStructure.php
+++ b/app/Models/FeeStructure.php
@@ -20,6 +20,7 @@
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class FeeStructure extends Model
 {
@@ -38,6 +39,8 @@ class FeeStructure extends Model
 
     /**
      * Get the academic year that owns the fee structure.
+     *
+     * @return BelongsTo<AcademicYear, $this>
      */
     public function academicYear(): BelongsTo
     {
@@ -46,6 +49,8 @@ public function academicYear(): BelongsTo
 
     /**
      * Get the fee category that owns the fee structure.
+     *
+     * @return BelongsTo<FeeCategorie, $this>
      */
     public function feeCategory(): BelongsTo
     {
@@ -54,6 +59,8 @@ public function feeCategory(): BelongsTo
 
     /**
      * Get the classroom that owns the fee structure.
+     *
+     * @return BelongsTo<Classroom, $this>
      */
     public function classroom(): BelongsTo
     {
@@ -62,8 +69,10 @@ public function classroom(): BelongsTo
 
     /**
      * Get the installments for the fee structure.
+     *
+     * @return HasMany<Installment, $this>
      */
-    public function installments()
+    public function installments(): HasMany
     {
         return $this->hasMany(Installment::class);
     }
diff --git a/app/Models/Grade.php b/app/Models/Grade.php
index 495d88b..89ddc7e 100644
--- a/app/Models/Grade.php
+++ b/app/Models/Grade.php
@@ -41,6 +41,8 @@ class Grade extends Model
 
     /**
      * Get the student for this grade.
+     *
+     * @return BelongsTo<Student, $this>
      */
     public function student(): BelongsTo
     {
@@ -49,6 +51,8 @@ public function student(): BelongsTo
 
     /**
      * Get the class subject for this grade.
+     *
+     * @return BelongsTo<ClassSubject, $this>
      */
     public function classSubject(): BelongsTo
     {
@@ -57,6 +61,8 @@ public function classSubject(): BelongsTo
 
     /**
      * Get the academic period for this grade.
+     *
+     * @return BelongsTo<AcademicPeriod, $this>
      */
     public function academicPeriod(): BelongsTo
     {
diff --git a/app/Models/GradingConfig.php b/app/Models/GradingConfig.php
index 6e932ba..36b2209 100644
--- a/app/Models/GradingConfig.php
+++ b/app/Models/GradingConfig.php
@@ -33,12 +33,19 @@ class GradingConfig extends Model
         'mentions' => 'array',
     ];
 
+    /**
+     * @return BelongsTo<School, $this>
+     */
     public function school(): BelongsTo
     {
         return $this->belongsTo(School::class);
     }
 
-    /** Type de classe ciblé (null = configuration par défaut de l'école). */
+    /**
+     * Type de classe ciblé (null = configuration par défaut de l'école).
+     *
+     * @return BelongsTo<ClassroomType, $this>
+     */
     public function classroomType(): BelongsTo
     {
         return $this->belongsTo(ClassroomType::class, 'classroom_type_id');
diff --git a/app/Models/Guardian.php b/app/Models/Guardian.php
index b68a76a..c8d8d88 100644
--- a/app/Models/Guardian.php
+++ b/app/Models/Guardian.php
@@ -34,7 +34,11 @@ class Guardian extends Authenticatable
         'password' => 'hashed',
     ];
 
-    /** Enfants liés à ce tuteur. */
+    /**
+     * Enfants liés à ce tuteur.
+     *
+     * @return BelongsToMany<Student, $this>
+     */
     public function children(): BelongsToMany
     {
         return $this->belongsToMany(Student::class, 'guardian_student')->withPivot('relationship');
diff --git a/app/Models/Installment.php b/app/Models/Installment.php
index 1aca32f..096864a 100644
--- a/app/Models/Installment.php
+++ b/app/Models/Installment.php
@@ -31,16 +31,25 @@ class Installment extends Model
     /* Relations */
     /* ------------------------------------------------------------------ */
 
+    /**
+     * @return BelongsTo<FeeStructure, $this>
+     */
     public function feeStructure(): BelongsTo
     {
         return $this->belongsTo(FeeStructure::class);
     }
 
+    /**
+     * @return BelongsTo<AcademicPeriod, $this>
+     */
     public function academicPeriod(): BelongsTo
     {
         return $this->belongsTo(AcademicPeriod::class);
     }
 
+    /**
+     * @return HasMany<Payment, $this>
+     */
     public function payments(): HasMany
     {
         return $this->hasMany(Payment::class);
diff --git a/app/Models/Invoice.php b/app/Models/Invoice.php
index 6d557b0..4d04c23 100644
--- a/app/Models/Invoice.php
+++ b/app/Models/Invoice.php
@@ -40,16 +40,25 @@ class Invoice extends Model
     /* Relations */
     /* ------------------------------------------------------------------ */
 
+    /**
+     * @return BelongsTo<Enrollment, $this>
+     */
     public function enrollment(): BelongsTo
     {
         return $this->belongsTo(Enrollment::class);
     }
 
+    /**
+     * @return HasMany<InvoiceItem, $this>
+     */
     public function items(): HasMany
     {
         return $this->hasMany(InvoiceItem::class)->orderBy('sort_order');
     }
 
+    /**
+     * @return HasMany<Payment, $this>
+     */
     public function payments(): HasMany
     {
         return $this->hasMany(Payment::class)->latest('paid_at');
diff --git a/app/Models/InvoiceItem.php b/app/Models/InvoiceItem.php
index 8ae749f..2a99600 100644
--- a/app/Models/InvoiceItem.php
+++ b/app/Models/InvoiceItem.php
@@ -24,6 +24,9 @@ class InvoiceItem extends Model
         'sort_order' => 'integer',
     ];
 
+    /**
+     * @return BelongsTo<Invoice, $this>
+     */
     public function invoice(): BelongsTo
     {
         return $this->belongsTo(Invoice::class);
diff --git a/app/Models/Mark.php b/app/Models/Mark.php
index ee3259f..09e5615 100644
--- a/app/Models/Mark.php
+++ b/app/Models/Mark.php
@@ -30,16 +30,25 @@ class Mark extends Model
         'absent' => 'boolean',
     ];
 
+    /**
+     * @return BelongsTo<Evaluation, $this>
+     */
     public function evaluation(): BelongsTo
     {
         return $this->belongsTo(Evaluation::class);
     }
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function createdBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'created_by');
diff --git a/app/Models/NoteReclamation.php b/app/Models/NoteReclamation.php
index b40e3ca..426d7f8 100644
--- a/app/Models/NoteReclamation.php
+++ b/app/Models/NoteReclamation.php
@@ -31,21 +31,33 @@ class NoteReclamation extends Model
         'reviewed_at' => 'datetime',
     ];
 
+    /**
+     * @return BelongsTo<Evaluation, $this>
+     */
     public function evaluation(): BelongsTo
     {
         return $this->belongsTo(Evaluation::class);
     }
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function requestedBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'requested_by');
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function reviewedBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'reviewed_by');
diff --git a/app/Models/OfficialExam.php b/app/Models/OfficialExam.php
index 48f6d06..1511909 100644
--- a/app/Models/OfficialExam.php
+++ b/app/Models/OfficialExam.php
@@ -7,6 +7,10 @@
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
+/**
+ * @property-read int|null $registrations_count Agrégat withCount('registrations').
+ * @property-read int|null $admis_count         Agrégat withCount alias (status = 'admis').
+ */
 class OfficialExam extends Model
 {
     use HasUuids;
@@ -37,21 +41,33 @@ class OfficialExam extends Model
         'termine' => 'Terminé',
     ];
 
+    /**
+     * @return BelongsTo<School, $this>
+     */
     public function school(): BelongsTo
     {
         return $this->belongsTo(School::class);
     }
 
+    /**
+     * @return BelongsTo<AcademicYear, $this>
+     */
     public function academicYear(): BelongsTo
     {
         return $this->belongsTo(AcademicYear::class);
     }
 
+    /**
+     * @return BelongsTo<Classroom, $this>
+     */
     public function classroom(): BelongsTo
     {
         return $this->belongsTo(Classroom::class, 'class_id');
     }
 
+    /**
+     * @return HasMany<OfficialExamRegistration, $this>
+     */
     public function registrations(): HasMany
     {
         return $this->hasMany(OfficialExamRegistration::class);
diff --git a/app/Models/OfficialExamRegistration.php b/app/Models/OfficialExamRegistration.php
index 6d54819..e3dd381 100644
--- a/app/Models/OfficialExamRegistration.php
+++ b/app/Models/OfficialExamRegistration.php
@@ -32,11 +32,17 @@ class OfficialExamRegistration extends Model
         'tres_bien' => 'Très bien',
     ];
 
+    /**
+     * @return BelongsTo<OfficialExam, $this>
+     */
     public function officialExam(): BelongsTo
     {
         return $this->belongsTo(OfficialExam::class);
     }
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
diff --git a/app/Models/PayRun.php b/app/Models/PayRun.php
index ea61a65..7690824 100644
--- a/app/Models/PayRun.php
+++ b/app/Models/PayRun.php
@@ -46,16 +46,25 @@ class PayRun extends Model
         'paid_at' => 'datetime',
     ];
 
+    /**
+     * @return HasMany<Payslip, $this>
+     */
     public function payslips(): HasMany
     {
         return $this->hasMany(Payslip::class);
     }
 
+    /**
+     * @return BelongsTo<CashAccount, $this>
+     */
     public function cashAccount(): BelongsTo
     {
         return $this->belongsTo(CashAccount::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function createdBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'created_by');
diff --git a/app/Models/Payment.php b/app/Models/Payment.php
index 077c25e..1378478 100644
--- a/app/Models/Payment.php
+++ b/app/Models/Payment.php
@@ -34,31 +34,49 @@ class Payment extends Model
     /* Relations */
     /* ------------------------------------------------------------------ */
 
+    /**
+     * @return BelongsTo<Invoice, $this>
+     */
     public function invoice(): BelongsTo
     {
         return $this->belongsTo(Invoice::class);
     }
 
+    /**
+     * @return BelongsTo<Installment, $this>
+     */
     public function installment(): BelongsTo
     {
         return $this->belongsTo(Installment::class);
     }
 
+    /**
+     * @return HasOne<Receipt, $this>
+     */
     public function receipt(): HasOne
     {
         return $this->hasOne(Receipt::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function createdBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'created_by');
     }
 
+    /**
+     * @return BelongsTo<CashAccount, $this>
+     */
     public function cashAccount(): BelongsTo
     {
         return $this->belongsTo(CashAccount::class);
     }
 
+    /**
+     * @return HasOne<AccountingTransaction, $this>
+     */
     public function accountingTransaction(): HasOne
     {
         return $this->hasOne(AccountingTransaction::class, 'reference_id');
diff --git a/app/Models/Payslip.php b/app/Models/Payslip.php
index cc216f8..a21f24e 100644
--- a/app/Models/Payslip.php
+++ b/app/Models/Payslip.php
@@ -29,11 +29,17 @@ class Payslip extends Model
         'payload' => 'array',
     ];
 
+    /**
+     * @return BelongsTo<PayRun, $this>
+     */
     public function payRun(): BelongsTo
     {
         return $this->belongsTo(PayRun::class);
     }
 
+    /**
+     * @return BelongsTo<EmployeeProfile, $this>
+     */
     public function employeeProfile(): BelongsTo
     {
         return $this->belongsTo(EmployeeProfile::class);
diff --git a/app/Models/Receipt.php b/app/Models/Receipt.php
index 5050f73..a6094a7 100644
--- a/app/Models/Receipt.php
+++ b/app/Models/Receipt.php
@@ -23,11 +23,17 @@ class Receipt extends Model
         'printed_at' => 'datetime',
     ];
 
+    /**
+     * @return BelongsTo<Payment, $this>
+     */
     public function payment(): BelongsTo
     {
         return $this->belongsTo(Payment::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function printedBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'printed_by');
diff --git a/app/Models/ReportCard.php b/app/Models/ReportCard.php
index f5d4cc3..1eb8daf 100644
--- a/app/Models/ReportCard.php
+++ b/app/Models/ReportCard.php
@@ -32,21 +32,33 @@ class ReportCard extends Model
         'locked_at' => 'datetime',
     ];
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
     }
 
+    /**
+     * @return BelongsTo<AcademicPeriod, $this>
+     */
     public function academicPeriod(): BelongsTo
     {
         return $this->belongsTo(AcademicPeriod::class);
     }
 
+    /**
+     * @return BelongsTo<Classroom, $this>
+     */
     public function classroom(): BelongsTo
     {
         return $this->belongsTo(Classroom::class, 'class_id');
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function generatedBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'generated_by');
diff --git a/app/Models/SalaryGrade.php b/app/Models/SalaryGrade.php
index 0337d8a..12b5a68 100644
--- a/app/Models/SalaryGrade.php
+++ b/app/Models/SalaryGrade.php
@@ -27,6 +27,9 @@ class SalaryGrade extends Model
         'sort_order' => 'integer',
     ];
 
+    /**
+     * @return HasMany<EmployeeProfile, $this>
+     */
     public function employeeProfiles(): HasMany
     {
         return $this->hasMany(EmployeeProfile::class);
diff --git a/app/Models/Scholarship.php b/app/Models/Scholarship.php
index 86adea6..692e34b 100644
--- a/app/Models/Scholarship.php
+++ b/app/Models/Scholarship.php
@@ -38,6 +38,8 @@ class Scholarship extends Model
 
     /**
      * Get all student scholarships for this scholarship.
+     *
+     * @return HasMany<StudentScholarship, $this>
      */
     public function studentScholarships(): HasMany
     {
diff --git a/app/Models/School.php b/app/Models/School.php
index f410b07..39a88fa 100644
--- a/app/Models/School.php
+++ b/app/Models/School.php
@@ -75,24 +75,37 @@ public function getLogoUrlAttribute(): ?string
 
     /**
      * Get all subjects for the school.
+     *
+     * @return HasMany<Subject, $this>
      */
     public function subjects(): HasMany
     {
         return $this->hasMany(Subject::class);
     }
 
+    /**
+     * @return HasMany<GradingConfig, $this>
+     */
     public function gradingConfigs(): HasMany
     {
         return $this->hasMany(GradingConfig::class);
     }
 
-    /** En-tête personnalisé des documents (certificats, attestations, bulletins). */
+    /**
+     * En-tête personnalisé des documents (certificats, attestations, bulletins).
+     *
+     * @return HasOne<DocumentHeader, $this>
+     */
     public function documentHeader(): HasOne
     {
         return $this->hasOne(DocumentHeader::class);
     }
 
-    /** Types de classe proposés par l'école. */
+    /**
+     * Types de classe proposés par l'école.
+     *
+     * @return BelongsToMany<ClassroomType, $this>
+     */
     public function classTypes(): BelongsToMany
     {
         return $this->belongsToMany(ClassroomType::class, 'class_type_school');
diff --git a/app/Models/Student.php b/app/Models/Student.php
index 5a198be..df3cc6c 100644
--- a/app/Models/Student.php
+++ b/app/Models/Student.php
@@ -28,9 +28,13 @@
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\HasOne;
+use Illuminate\Database\Eloquent\Relations\Pivot;
 use Illuminate\Database\Eloquent\SoftDeletes;
 use Laravel\Sanctum\HasApiTokens;
 
+/**
+ * @property-read Pivot&object{relationship: string} $pivot Pivot guardian_student (chargé via belongsToMany).
+ */
 class Student extends Model implements AuthenticatableContract
 {
     use Auditable, AuthenticatableTrait, HasApiTokens, HasFactory, HasResetToken, HasUuids, SoftDeletes;
@@ -68,13 +72,18 @@ class Student extends Model implements AuthenticatableContract
         'reset_token',
     ];
 
-    /** Tuteurs liés à cet élève. */
+    /** Tuteurs liés à cet élève. * @return BelongsToMany<Guardian, $this>
+     */
     public function guardians(): BelongsToMany
     {
         return $this->belongsToMany(Guardian::class, 'guardian_student')->withPivot('relationship');
     }
 
-    /** Inscriptions de l'élève. */
+    /**
+     * Inscriptions de l'élève.
+     *
+     * @return HasMany<Enrollment, $this>
+     */
     public function enrollments(): HasMany
     {
         return $this->hasMany(Enrollment::class);
@@ -82,6 +91,8 @@ public function enrollments(): HasMany
 
     /**
      * Get the user account for this student.
+     *
+     * @return BelongsTo<User, $this>
      */
     public function user(): BelongsTo
     {
@@ -90,6 +101,8 @@ public function user(): BelongsTo
 
     /**
      * Get all attendances for this student.
+     *
+     * @return HasMany<Attendance, $this>
      */
     public function attendances(): HasMany
     {
@@ -98,6 +111,8 @@ public function attendances(): HasMany
 
     /**
      * Get all grades for this student.
+     *
+     * @return HasMany<Grade, $this>
      */
     public function grades(): HasMany
     {
@@ -106,6 +121,8 @@ public function grades(): HasMany
 
     /**
      * Informations administratives de l'élève.
+     *
+     * @return HasOne<StudentInformation, $this>
      */
     public function information(): HasOne
     {
@@ -114,6 +131,8 @@ public function information(): HasOne
 
     /**
      * Informations parentales de l'élève.
+     *
+     * @return HasOne<StudentParent, $this>
      */
     public function parentInfo(): HasOne
     {
@@ -122,6 +141,8 @@ public function parentInfo(): HasOne
 
     /**
      * Informations médicales de l'élève.
+     *
+     * @return HasOne<StudentMedicalInfo, $this>
      */
     public function medicalInfo(): HasOne
     {
@@ -130,6 +151,8 @@ public function medicalInfo(): HasOne
 
     /**
      * Get all scholarships for this student.
+     *
+     * @return HasMany<StudentScholarship, $this>
      */
     public function scholarships(): HasMany
     {
@@ -138,6 +161,8 @@ public function scholarships(): HasMany
 
     /**
      * Get all documents (pièces justificatives) for this student.
+     *
+     * @return HasMany<StudentDocument, $this>
      */
     public function documents(): HasMany
     {
diff --git a/app/Models/StudentDocument.php b/app/Models/StudentDocument.php
index 49338d3..4bc5655 100644
--- a/app/Models/StudentDocument.php
+++ b/app/Models/StudentDocument.php
@@ -24,11 +24,17 @@ class StudentDocument extends Model
         'size' => 'integer',
     ];
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function uploadedBy(): BelongsTo
     {
         return $this->belongsTo(User::class, 'uploaded_by');
diff --git a/app/Models/StudentInformation.php b/app/Models/StudentInformation.php
index 99292eb..a3574b5 100644
--- a/app/Models/StudentInformation.php
+++ b/app/Models/StudentInformation.php
@@ -39,6 +39,9 @@ class StudentInformation extends Model
         'birth_certificate_issue_date' => 'date',
     ];
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
diff --git a/app/Models/StudentMedicalInfo.php b/app/Models/StudentMedicalInfo.php
index f3fe236..d86e45a 100644
--- a/app/Models/StudentMedicalInfo.php
+++ b/app/Models/StudentMedicalInfo.php
@@ -34,6 +34,9 @@ class StudentMedicalInfo extends Model
         'emergency_contact_phone',
     ];
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
diff --git a/app/Models/StudentParent.php b/app/Models/StudentParent.php
index da2271d..09b811c 100644
--- a/app/Models/StudentParent.php
+++ b/app/Models/StudentParent.php
@@ -38,6 +38,9 @@ class StudentParent extends Model
         'email',
     ];
 
+    /**
+     * @return BelongsTo<Student, $this>
+     */
     public function student(): BelongsTo
     {
         return $this->belongsTo(Student::class);
diff --git a/app/Models/StudentScholarship.php b/app/Models/StudentScholarship.php
index 20e74a0..78a8e19 100644
--- a/app/Models/StudentScholarship.php
+++ b/app/Models/StudentScholarship.php
@@ -28,6 +28,8 @@ class StudentScholarship extends Model
 
     /**
      * Get the student that owns the student scholarship.
+     *
+     * @return BelongsTo<Student, $this>
      */
     public function student(): BelongsTo
     {
@@ -36,6 +38,8 @@ public function student(): BelongsTo
 
     /**
      * Get the scholarship that owns the student scholarship.
+     *
+     * @return BelongsTo<Scholarship, $this>
      */
     public function scholarship(): BelongsTo
     {
@@ -44,6 +48,8 @@ public function scholarship(): BelongsTo
 
     /**
      * Get the academic year that owns the student scholarship.
+     *
+     * @return BelongsTo<AcademicYear, $this>
      */
     public function academicYear(): BelongsTo
     {
diff --git a/app/Models/Subject.php b/app/Models/Subject.php
index 1fdfb5a..1306ef7 100644
--- a/app/Models/Subject.php
+++ b/app/Models/Subject.php
@@ -35,19 +35,29 @@ class Subject extends Model
 
     /**
      * Get all class subjects for this subject.
+     *
+     * @return HasMany<ClassSubject, $this>
      */
     public function classSubjects(): HasMany
     {
         return $this->hasMany(ClassSubject::class);
     }
 
-    /** Matière parente (si cette matière est une sous-matière). */
+    /**
+     * Matière parente (si cette matière est une sous-matière).
+     *
+     * @return BelongsTo<self, $this>
+     */
     public function parent(): BelongsTo
     {
         return $this->belongsTo(self::class, 'parent_id');
     }
 
-    /** Sous-matières. */
+    /**
+     * Sous-matières.
+     *
+     * @return HasMany<self, $this>
+     */
     public function children(): HasMany
     {
         return $this->hasMany(self::class, 'parent_id');
diff --git a/app/Models/SubjectAssignment.php b/app/Models/SubjectAssignment.php
index 55e2e6f..179a491 100644
--- a/app/Models/SubjectAssignment.php
+++ b/app/Models/SubjectAssignment.php
@@ -40,6 +40,8 @@ class SubjectAssignment extends Model
 
     /**
      * Get the subject for this assignment.
+     *
+     * @return BelongsTo<Subject, $this>
      */
     public function subject(): BelongsTo
     {
@@ -48,6 +50,8 @@ public function subject(): BelongsTo
 
     /**
      * Get the teacher (user) for this assignment.
+     *
+     * @return BelongsTo<User, $this>
      */
     public function teacher(): BelongsTo
     {
@@ -56,6 +60,8 @@ public function teacher(): BelongsTo
 
     /**
      * Get the academic year for this assignment.
+     *
+     * @return BelongsTo<AcademicYear, $this>
      */
     public function academicYear(): BelongsTo
     {
@@ -64,6 +70,8 @@ public function academicYear(): BelongsTo
 
     /**
      * Get the class (classroom) for this assignment.
+     *
+     * @return BelongsTo<Classroom, $this>
      */
     public function classroom(): BelongsTo
     {
diff --git a/app/Models/TimetableSlot.php b/app/Models/TimetableSlot.php
index abb414b..8f9053d 100644
--- a/app/Models/TimetableSlot.php
+++ b/app/Models/TimetableSlot.php
@@ -28,16 +28,25 @@ class TimetableSlot extends Model
         6 => 'Samedi',
     ];
 
+    /**
+     * @return BelongsTo<Classroom, $this>
+     */
     public function classroom(): BelongsTo
     {
         return $this->belongsTo(Classroom::class, 'class_id');
     }
 
+    /**
+     * @return BelongsTo<Subject, $this>
+     */
     public function subject(): BelongsTo
     {
         return $this->belongsTo(Subject::class);
     }
 
+    /**
+     * @return BelongsTo<User, $this>
+     */
     public function teacher(): BelongsTo
     {
         return $this->belongsTo(User::class, 'teacher_id');
diff --git a/app/Models/User.php b/app/Models/User.php
index 747b736..b43d312 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -23,6 +23,7 @@
 use App\Traits\HasMatricule;
 use Database\Factories\UserFactory;
 use Illuminate\Database\Eloquent\Casts\Attribute;
+use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Concerns\HasUuids;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\HasMany;
@@ -30,8 +31,12 @@
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
 use Laravel\Fortify\TwoFactorAuthenticatable;
+use Spatie\Permission\Models\Role;
 use Spatie\Permission\Traits\HasRoles;
 
+/**
+ * @property-read Collection<int, Role> $roles
+ */
 class User extends Authenticatable
 {
     /** @use HasFactory<UserFactory> */
@@ -98,27 +103,41 @@ protected function casts(): array
 
     /**
      * Get the user's full name
+     *
+     * @return Attribute<string, never>
      */
     protected function name(): Attribute
     {
         return Attribute::make(
-            get: fn () => "{$this->firstname} {$this->lastname}",
+            get: fn (): string => "{$this->firstname} {$this->lastname}",
         );
     }
 
-    /** Profil RH (paie) de l'utilisateur, s'il est employé. */
+    /**
+     * Profil RH (paie) de l'utilisateur, s'il est employé.
+     *
+     * @return HasOne<EmployeeProfile, $this>
+     */
     public function employeeProfile(): HasOne
     {
         return $this->hasOne(EmployeeProfile::class);
     }
 
-    /** Affectations matières où l'utilisateur est l'enseignant. */
+    /**
+     * Affectations matières où l'utilisateur est l'enseignant.
+     *
+     * @return HasMany<SubjectAssignment, $this>
+     */
     public function subjectAssignments(): HasMany
     {
         return $this->hasMany(SubjectAssignment::class, 'teacher_id');
     }
 
-    /** Créneaux d'emploi du temps où l'utilisateur est l'enseignant. */
+    /**
+     * Créneaux d'emploi du temps où l'utilisateur est l'enseignant.
+     *
+     * @return HasMany<TimetableSlot, $this>
+     */
     public function timetableSlots(): HasMany
     {
         return $this->hasMany(TimetableSlot::class, 'teacher_id');
@@ -157,7 +176,7 @@ public function generateMatricule(): string
         $matriculeService = app(MatriculeService::class);
 
         // Obtenir le rôle principal de l'utilisateur
-        $role = $this->roles?->first()?->name;
+        $role = $this->roles->first()?->name;
 
         if ($role) {
             return $matriculeService->generateUserMatricule($role);
diff --git a/app/Observers/UserObserver.php b/app/Observers/UserObserver.php
index 2909403..622c85c 100644
--- a/app/Observers/UserObserver.php
+++ b/app/Observers/UserObserver.php
@@ -18,7 +18,7 @@ public function created(User $user): void
                 $user->natricule,
                 'user',
                 $user->id,
-                $user->roles->first()?->name ?? 'unknown'
+                $user->roles->first()->name ?? 'unknown'
             );
         }
     }
diff --git a/app/Rules/UniqueMatricule.php b/app/Rules/UniqueMatricule.php
index c9c7de9..b186f31 100644
--- a/app/Rules/UniqueMatricule.php
+++ b/app/Rules/UniqueMatricule.php
@@ -11,9 +11,9 @@ class UniqueMatricule implements ValidationRule
 {
     protected MatriculeService $matriculeService;
 
-    protected ?int $ignoreId = null;
+    protected ?string $ignoreId = null;
 
-    public function __construct(?int $ignoreId = null)
+    public function __construct(?string $ignoreId = null)
     {
         $this->matriculeService = app(MatriculeService::class);
         $this->ignoreId = $ignoreId;
diff --git a/app/Services/AccountingService.php b/app/Services/AccountingService.php
index 31b08ab..fc54177 100644
--- a/app/Services/AccountingService.php
+++ b/app/Services/AccountingService.php
@@ -112,7 +112,7 @@ public function recordScholarshipTransaction(
         $studentName = $student
             ? "{$student->firstname} {$student->lastname}"
             : 'Élève inconnu';
-        $scholarshipName = $scholarship?->name ?? 'Bourse';
+        $scholarshipName = $scholarship->name ?? 'Bourse';
 
         return AccountingTransaction::create([
             'type' => 'EXPENSE',
diff --git a/app/Services/BackupService.php b/app/Services/BackupService.php
index 25f16e8..7f009fe 100644
--- a/app/Services/BackupService.php
+++ b/app/Services/BackupService.php
@@ -229,6 +229,9 @@ private function addDiskToZip(\ZipArchive $zip, string $diskName, string $prefix
                 $zip->addFile($local, "{$prefix}/{$rel}");
             } else {
                 $t = tempnam(sys_get_temp_dir(), 'med_');
+                if ($t === false) {
+                    continue; // impossible de créer le fichier temporaire : on saute ce média
+                }
                 file_put_contents($t, $disk->get($rel));
                 $temps[] = $t;
                 $zip->addFile($t, "{$prefix}/{$rel}");
@@ -269,7 +272,7 @@ private function writeDump(string $format, string $tmp): string
      * (json[.gz], sql[.gz] ou dump PostgreSQL). Une sauvegarde de sécurité
      * (JSON) est générée au préalable.
      *
-     * @return array{format:string, tables:int, rows?:int}
+     * @return array{format:string, tables:int, rows?:int, media?:int}
      */
     public function restore(UploadedFile $file, ?string $onlyTable = null): array
     {
@@ -496,10 +499,8 @@ private function restoreTableBatched(string $table, array $rows): int
 
             $total = 0;
             foreach (array_chunk($rows, 500) as $chunk) {
-                if (! empty($chunk)) {
-                    DB::transaction(fn () => DB::table($table)->insert($chunk));
-                    $total += count($chunk);
-                }
+                DB::transaction(fn () => DB::table($table)->insert($chunk));
+                $total += count($chunk);
             }
 
             return $total;
@@ -512,7 +513,7 @@ private function restoreTableBatched(string $table, array $rows): int
     private function restoreSql(string $contents): array
     {
         preg_match_all('/INSERT\s+INTO\s+"([^"]+)"/i', $contents, $matches);
-        $tables = array_values(array_unique($matches[1] ?? []));
+        $tables = array_values(array_unique($matches[1]));
 
         try {
             DB::transaction(function () use ($contents, $tables): void {
diff --git a/app/Services/BulletinRenderer.php b/app/Services/BulletinRenderer.php
index 0c00f04..7c0ec69 100644
--- a/app/Services/BulletinRenderer.php
+++ b/app/Services/BulletinRenderer.php
@@ -235,7 +235,7 @@ private function infoBlock(array $p): string
     private function footBlock(array $p, array $options): string
     {
         $average = $this->num($p['average'] ?? null);
-        $rank = isset($p['rank']) && $p['rank'] !== null ? e($this->ordinal((int) $p['rank'])) : '—';
+        $rank = isset($p['rank']) ? e($this->ordinal((int) $p['rank'])) : '—';
         $effectif = e((string) ($p['effectif'] ?? ''));
         $mention = e($p['mention'] ?? '—');
         $obs = e($p['observations'] ?? '');
diff --git a/app/Services/DocumentRenderer.php b/app/Services/DocumentRenderer.php
index 309a3be..9a9b48b 100644
--- a/app/Services/DocumentRenderer.php
+++ b/app/Services/DocumentRenderer.php
@@ -90,16 +90,21 @@ public function resolveVariables(
         ];
 
         if ($student) {
+            // $student peut être un modèle NON persisté (aperçu/test) : les colonnes
+            // NOT NULL en base peuvent alors être nulles. On lit via getAttribute()
+            // (type mixed) pour conserver les gardes défensives.
+            $birthDate = $student->getAttribute('birth_date');
+
             $vars += [
                 'eleve.nom_complet' => trim(($student->lastname ?? '').' '.($student->firstname ?? '')),
                 'eleve.nom' => $student->lastname ?? '',
                 'eleve.prenom' => $student->firstname ?? '',
                 'eleve.matricule' => $student->matricule ?? '',
-                'eleve.date_naissance' => $student->birth_date
-                    ? Carbon::parse($student->birth_date)->locale('fr')->isoFormat('D MMMM YYYY')
+                'eleve.date_naissance' => $birthDate
+                    ? Carbon::parse($birthDate)->locale('fr')->isoFormat('D MMMM YYYY')
                     : '',
                 'eleve.lieu_naissance' => $student->place_of_birth ?? '',
-                'eleve.sexe' => match ($student->gender) {
+                'eleve.sexe' => match ($student->getAttribute('gender')) {
                     'male' => 'Masculin',
                     'female' => 'Féminin',
                     default => '',
@@ -198,7 +203,7 @@ public function watermarkHtml(?School $school, array $variables): string
     protected function renderHeader(DocumentTemplate $template, array $variables): string
     {
         $header = $template->school?->documentHeader;
-        $preset = $header?->preset ?? 'ministeriel';
+        $preset = $header->preset ?? 'ministeriel';
 
         // Préréglage « personnalisé » : canevas glisser-déposer (si des éléments existent).
         // Sinon on rend le gabarit officiel ministériel (défaut).
diff --git a/app/Services/GradingService.php b/app/Services/GradingService.php
index f546dd3..5590bef 100644
--- a/app/Services/GradingService.php
+++ b/app/Services/GradingService.php
@@ -424,7 +424,7 @@ public function periodAverageFromEvaluations(string $studentId, string $periodId
     /**
      * Attribue des rangs à une liste [{student_id, average}].
      *
-     * @param  Collection<int, array{student_id: mixed, average: float|null}>  $rows
+     * @param  Collection<int, array{student_id: string, average: float|null}>  $rows
      * @return Collection<string, array{average: float|null, rank: int|null}>
      */
     public function rank(Collection $rows): Collection
@@ -469,7 +469,7 @@ private function activeStudentIds(string $classId): Collection
     /**
      * Attribue les rangs (1, 1, 3…). Les élèves sans moyenne ne sont pas classés (rang null).
      *
-     * @param  Collection<int, array{student_id: mixed, average: float|null}>  $rows
+     * @param  Collection<int, array{student_id: string, average: float|null}>  $rows
      * @return Collection<string, array{average: float|null, rank: int|null}>
      */
     private function assignRanks(Collection $rows): Collection
diff --git a/app/Services/PayrollService.php b/app/Services/PayrollService.php
index d2f6b0c..2e7eea7 100644
--- a/app/Services/PayrollService.php
+++ b/app/Services/PayrollService.php
@@ -137,7 +137,7 @@ private function buildLines(EmployeeProfile $employee, $components, int $month,
         $grossEarnings = 0.0;
         foreach ($lines as $l) {
             if (($l['type'] ?? '') !== SalaryComponent::DEDUCTION) {
-                $grossEarnings += (float) ($l['amount'] ?? 0);
+                $grossEarnings += (float) ($l['amount']);
             }
         }
         $statutory = $this->statutory($grossEarnings, $settings);
@@ -197,7 +197,7 @@ private function progressiveTax(float $taxable, array $brackets): float
         $tax = 0.0;
         $prev = 0.0;
         foreach ($brackets as $b) {
-            $cap = isset($b['up_to']) && $b['up_to'] !== null ? (float) $b['up_to'] : INF;
+            $cap = isset($b['up_to']) ? (float) $b['up_to'] : INF;
             $rate = (float) ($b['rate'] ?? 0);
             if ($taxable <= $prev) {
                 break;
@@ -382,6 +382,8 @@ private function totals(array $lines): array
 
     private function refreshTotals(PayRun $run): void
     {
+        // Agrégat sans GROUP BY : toujours une ligne, colonnes calculées.
+        /** @var object{g: int|float|string, d: int|float|string, n: int|float|string} $sums */
         $sums = $run->payslips()->selectRaw('
             coalesce(sum(gross), 0) as g,
             coalesce(sum(total_deductions), 0) as d,
diff --git a/app/Services/ReportCardBuilder.php b/app/Services/ReportCardBuilder.php
index 555a168..08c9e06 100644
--- a/app/Services/ReportCardBuilder.php
+++ b/app/Services/ReportCardBuilder.php
@@ -99,7 +99,7 @@ public function build(
             'lowest' => $values->isNotEmpty() ? $values->min() : null,
             'average' => $values->isNotEmpty() ? round($values->avg(), 2) : null,
         ];
-        $periodSystem = $class->classroomType?->period_system ?? 'trimestre';
+        $periodSystem = $class->classroomType->period_system ?? 'trimestre';
         $retards = $this->retardsByStudent($class->id, $period);
 
         // Récapitulatif inter-périodes + annuel (classements précalculés une fois, depuis l'index).
@@ -162,7 +162,7 @@ public function build(
                             }
 
                             $lines[] = [
-                                'subject' => $cs->subject?->name ?? '',
+                                'subject' => $cs->subject->name ?? '',
                                 'parent' => $cs->subject?->parent?->name,
                                 'group' => $cs->group ?? 'obligatoire',
                                 'coefficient' => $coeff,
@@ -171,7 +171,7 @@ public function build(
                                 'moyenne' => $cell['moy'],
                                 'points' => $points,
                                 'definitive' => $points,
-                                'by_type' => $cell['by_type'] ?? [],
+                                'by_type' => $cell['by_type'],
                                 'rang' => $subjectRanks[$cs->id]->get($student->id)['rank'] ?? null,
                                 'appreciation' => $comments[$student->id.'|'.$cs->id] ?? '',
                                 'teacher' => $teachers[$cs->subject_id] ?? '',
@@ -257,7 +257,7 @@ public function classSubjects(Classroom $class, ?string $yearId): Collection
             ->with(['subject:id,name,code,parent_id', 'subject.parent:id,name'])
             ->get()
             // Regroupe les sous-matières sous leur matière parente.
-            ->sortBy(fn ($cs) => ($cs->subject?->parent?->name ?? $cs->subject?->name).'~'.($cs->subject?->name))
+            ->sortBy(fn ($cs) => ($cs->subject?->parent->name ?? $cs->subject->name).'~'.($cs->subject->name))
             ->values();
     }
 
@@ -282,7 +282,7 @@ private function teachersBySubject(string $classId, ?string $yearId): array
             ->when($yearId, fn ($q) => $q->where('academic_year_id', $yearId))
             ->with('teacher:id,firstname,lastname')
             ->get()
-            ->mapWithKeys(fn ($a) => [$a->subject_id => trim(($a->teacher?->firstname ?? '').' '.($a->teacher?->lastname ?? ''))])
+            ->mapWithKeys(fn ($a) => [$a->subject_id => trim(($a->teacher->firstname ?? '').' '.($a->teacher->lastname ?? ''))])
             ->toArray();
     }
 
diff --git a/app/Services/StatisticsService.php b/app/Services/StatisticsService.php
index 9d515c8..353cef0 100644
--- a/app/Services/StatisticsService.php
+++ b/app/Services/StatisticsService.php
@@ -334,10 +334,10 @@ public function successStats(array $filters): array
             'moyenne_generale' => $rcStats->avg_moy !== null ? round((float) $rcStats->avg_moy, 2) : null,
             'pass_rate' => $rcTotal > 0 ? round(((int) $rcStats->pass_count) / $rcTotal * 100, 1) : 0.0,
             'mentions' => [
-                'passable' => (int) ($mentions['passable'] ?? 0),
-                'assez_bien' => (int) ($mentions['assez_bien'] ?? 0),
-                'bien' => (int) ($mentions['bien'] ?? 0),
-                'tres_bien' => (int) ($mentions['tres_bien'] ?? 0),
+                'passable' => (int) ($mentions['passable']),
+                'assez_bien' => (int) ($mentions['assez_bien']),
+                'bien' => (int) ($mentions['bien']),
+                'tres_bien' => (int) ($mentions['tres_bien']),
             ],
             'exams' => $exams,
             'exams_summary' => [
@@ -395,6 +395,9 @@ public function attendanceStats(array $filters): array
             ->sortByDesc('absence_rate')
             ->values();
 
+        // GROUP BY + HAVING : un ->count() SQL compterait les lignes par groupe,
+        // pas le nombre de groupes. On matérialise puis on compte en mémoire.
+        // @phpstan-ignore larastan.noUnnecessaryCollectionCall
         $chronic = (clone $base)
             ->where('ar.status', 'absent')
             ->groupBy('ar.student_id')
diff --git a/app/Support/FrenchNumberSpeller.php b/app/Support/FrenchNumberSpeller.php
index f0b8079..a883b1e 100644
--- a/app/Support/FrenchNumberSpeller.php
+++ b/app/Support/FrenchNumberSpeller.php
@@ -138,7 +138,7 @@ private static function tens(int $n, bool $isFinal): string
                 ? ($isFinal ? 'quatre-vingts' : 'quatre-vingt')
                 : 'quatre-vingt-'.self::UNITS[$unit],
             90 => 'quatre-vingt-'.self::UNITS[10 + $unit],
-            default => self::UNITS[$n], // inatteignable, garde-fou
+            default => throw new \LogicException("Dizaine inattendue: {$base}"), // inatteignable pour n ∈ [20,99]
         };
     }
 
diff --git a/app/Traits/HasMatricule.php b/app/Traits/HasMatricule.php
index 0dd83ad..f391445 100644
--- a/app/Traits/HasMatricule.php
+++ b/app/Traits/HasMatricule.php
@@ -14,9 +14,10 @@ trait HasMatricule
      */
     public static function bootHasMatricule()
     {
-        // Générer le matricule avant la création si absent
-        static::creating(function ($model) {
-            if (empty($model->natricule) && method_exists($model, 'generateMatricule')) {
+        // Générer le matricule avant la création si absent.
+        // Le modèle hôte expose generateMatricule() (cf. User::generateMatricule()).
+        static::creating(function (self $model) {
+            if (empty($model->natricule)) {
                 $model->natricule = $model->generateMatricule();
             }
         });
diff --git a/database/migrations/2026_02_16_150000_add_unique_indexes_to_matricules.php b/database/migrations/2026_02_16_150000_add_unique_indexes_to_matricules.php
index 60ef1dc..53d5760 100644
--- a/database/migrations/2026_02_16_150000_add_unique_indexes_to_matricules.php
+++ b/database/migrations/2026_02_16_150000_add_unique_indexes_to_matricules.php
@@ -16,7 +16,7 @@ public function up(): void
             Schema::table('users', function (Blueprint $table) {
                 // Check if index doesn't already exist
                 if (! Schema::hasIndex('users', 'users_natricule_unique')) {
-                    $table->unique('natricule')->index();
+                    $table->unique('natricule');
                 }
             });
         }
@@ -25,7 +25,7 @@ public function up(): void
         if (Schema::hasTable('students') && Schema::hasColumn('students', 'registration_number')) {
             Schema::table('students', function (Blueprint $table) {
                 if (! Schema::hasIndex('students', 'students_registration_number_unique')) {
-                    $table->unique('registration_number')->index();
+                    $table->unique('registration_number');
                 }
             });
         }
diff --git a/database/migrations/2026_06_14_000011_add_locked_at_to_evaluations_table.php b/database/migrations/2026_06_14_000011_add_locked_at_to_evaluations_table.php
index d8bbe6e..b1000e3 100644
--- a/database/migrations/2026_06_14_000011_add_locked_at_to_evaluations_table.php
+++ b/database/migrations/2026_06_14_000011_add_locked_at_to_evaluations_table.php
@@ -10,7 +10,7 @@ public function up(): void
     {
         Schema::table('evaluations', function (Blueprint $table) {
             $table->timestamp('locked_at')->nullable()->after('status');
-            $table->foreignUuid('locked_by')->nullable()->constrained('users')->nullOnDelete()->after('locked_at');
+            $table->foreignUuid('locked_by')->nullable()->after('locked_at')->constrained('users')->nullOnDelete();
         });
     }
 
diff --git a/database/seeders/DemoSeeder.php b/database/seeders/DemoSeeder.php
index f4d851c..8dca323 100644
--- a/database/seeders/DemoSeeder.php
+++ b/database/seeders/DemoSeeder.php
@@ -251,7 +251,7 @@ private function resolveContext(): bool
     /** Cycle d'une classe, tel que référencé par self::CURRICULUM. */
     private function cycleOf(Classroom $class): string
     {
-        $type = Str::lower($class->type?->name ?? '');
+        $type = Str::lower($class->type->name ?? '');
 
         return match (true) {
             str_contains($type, 'primaire'), str_contains($type, 'maternelle') => 'primaire',
diff --git a/database/seeders/StudentTestSeeder.php b/database/seeders/StudentTestSeeder.php
index b367ac1..a21b9a5 100644
--- a/database/seeders/StudentTestSeeder.php
+++ b/database/seeders/StudentTestSeeder.php
@@ -54,10 +54,12 @@ public function run(): void
         $classroomIds = Classroom::query()->pluck('id')->all();
         $enrolledBy = User::query()->value('id');
 
-        $canEnroll = $school && $academicYear && $classroomIds !== [];
+        // $academicYear est toujours résolu (créé au besoin) ; seules l'école et
+        // les classes peuvent manquer sur une base vide.
+        $canEnroll = $school && $classroomIds !== [];
         if (! $canEnroll) {
             $this->command?->warn(
-                'Élèves créés sans inscription : école, année académique active ou classes manquantes.'
+                'Élèves créés sans inscription : école ou classes manquantes.'
             );
         }
 
@@ -162,7 +164,7 @@ public function run(): void
      * Année académique active : on réutilise l'existante, sinon on crée
      * l'année scolaire courante (développement uniquement).
      */
-    private function resolveAcademicYear(): ?AcademicYear
+    private function resolveAcademicYear(): AcademicYear
     {
         $active = AcademicYear::query()->where('active', true)->first()
             ?? AcademicYear::query()->latest('start_date')->first();
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
deleted file mode 100644
index ceedc4a..0000000
--- a/phpstan-baseline.neon
+++ /dev/null
@@ -1,2059 +0,0 @@
-parameters:
-	ignoreErrors:
-		-
-			message: '#^Access to an undefined property App\\Models\\Student\:\:\$registration_number\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Console/Commands/GenerateStudentMatricule.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$natricule\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Console/Commands/GenerateStudentMatricule.php
-
-		-
-			message: '#^Call to an undefined method App\\Models\\Student\:\:generateRegistrationNumber\(\)\.$#'
-			identifier: method.notFound
-			count: 2
-			path: app/Console/Commands/GenerateStudentMatricule.php
-
-		-
-			message: '#^Call to an undefined method Illuminate\\Database\\Eloquent\\Model\:\:generateMatricule\(\)\.$#'
-			identifier: method.notFound
-			count: 2
-			path: app/Console/Commands/GenerateStudentMatricule.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$firstname\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Administration/AuditLogController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$lastname\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Administration/AuditLogController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$firstname\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Administration/GuardianController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$lastname\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Administration/GuardianController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$matricule\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Administration/GuardianController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,Illuminate\\Database\\Eloquent\\Model\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Administration/GuardianController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Administration/SubjectAssignmentController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>name" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 4
-			path: app/Http/Controllers/Administration/SubjectAssignmentController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>year" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Administration/SubjectAssignmentController.php
-
-		-
-			message: '#^Instanceof between App\\Models\\User\|null and App\\Models\\Guardian will always evaluate to false\.$#'
-			identifier: instanceof.alwaysFalse
-			count: 2
-			path: app/Http/Controllers/Api/ApiController.php
-
-		-
-			message: '#^Instanceof between App\\Models\\User\|null and App\\Models\\Student will always evaluate to false\.$#'
-			identifier: instanceof.alwaysFalse
-			count: 2
-			path: app/Http/Controllers/Api/ApiController.php
-
-		-
-			message: '#^Parameter \#1 \$value of function collect contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Api/ApiController.php
-
-		-
-			message: '#^Call to an undefined method App\\Models\\User\:\:currentAccessToken\(\)\.$#'
-			identifier: method.notFound
-			count: 1
-			path: app/Http/Controllers/Api/V1/AuthController.php
-
-		-
-			message: '#^Instanceof between App\\Models\\User\|null and App\\Models\\Guardian will always evaluate to false\.$#'
-			identifier: instanceof.alwaysFalse
-			count: 1
-			path: app/Http/Controllers/Api/V1/AuthController.php
-
-		-
-			message: '#^Parameter \#1 \$user of method App\\Http\\Controllers\\Api\\V1\\AuthController\:\:profile\(\) expects App\\Models\\Guardian\|App\\Models\\Student, App\\Models\\User\|null given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Http/Controllers/Api/V1/AuthController.php
-
-		-
-			message: '#^Instanceof between App\\Models\\User\|null and App\\Models\\Student will always evaluate to false\.$#'
-			identifier: instanceof.alwaysFalse
-			count: 1
-			path: app/Http/Controllers/Api/V1/ChildrenController.php
-
-		-
-			message: '#^Parameter \#1 \$value of function collect contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Api/V1/ChildrenController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$classroom_type_id\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Api/V1/DashboardController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Api/V1/DashboardController.php
-
-		-
-			message: '#^Parameter \#1 \$class of method App\\Services\\GradingService\:\:classRanking\(\) expects App\\Models\\Classroom, Illuminate\\Database\\Eloquent\\Model given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Http/Controllers/Api/V1/DashboardController.php
-
-		-
-			message: '#^Using nullsafe method call on non\-nullable type Carbon\\CarbonImmutable\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Api/V1/DashboardController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$classroom_type_id\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Api/V1/GradeController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$comments\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Api/V1/GradeController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Api/V1/GradeController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$score\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Api/V1/GradeController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\ClassSubject\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Api/V1/GradeController.php
-
-		-
-			message: '#^Parameter \#1 \$class of method App\\Services\\GradingService\:\:classRanking\(\) expects App\\Models\\Classroom, Illuminate\\Database\\Eloquent\\Model given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Http/Controllers/Api/V1/GradeController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$color\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Archives/ArchiveController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$id\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Archives/ArchiveController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 4
-			path: app/Http/Controllers/Archives/ArchiveController.php
-
-		-
-			message: '#^Constant App\\Http\\Controllers\\Archives\\ArchiveController\:\:TYPES is unused\.$#'
-			identifier: classConstant.unused
-			count: 1
-			path: app/Http/Controllers/Archives/ArchiveController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,Illuminate\\Database\\Eloquent\\Model\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Archives/ArchiveController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Pagination\\AbstractPaginator\<int,App\\Models\\ArchivedDocument\>\:\:through\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Archives/ArchiveController.php
-
-		-
-			message: '#^Using nullsafe method call on non\-nullable type Carbon\\CarbonImmutable\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/CalendarEventController.php
-
-		-
-			message: '#^Method Illuminate\\Database\\Eloquent\\Builder\<App\\Models\\CashAccount\>\:\:withSum\(\) invoked with 3 parameters, 2 required\.$#'
-			identifier: arguments.count
-			count: 1
-			path: app/Http/Controllers/Comptabilite/CashAccountController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$amount\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Comptabilite/InvoiceController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$currency\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Comptabilite/InvoiceController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$enrollment\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Comptabilite/InvoiceController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$invoice\.$#'
-			identifier: property.notFound
-			count: 4
-			path: app/Http/Controllers/Comptabilite/InvoiceController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$paid_at\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Comptabilite/InvoiceController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$total\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Comptabilite/InvoiceController.php
-
-		-
-			message: '#^Parameter \#1 \$invoice of method App\\Services\\InvoiceService\:\:recordPayment\(\) expects App\\Models\\Invoice, Illuminate\\Database\\Eloquent\\Model given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Http/Controllers/Comptabilite/InvoiceController.php
-
-		-
-			message: '#^Parameter \#1 \$school of method App\\Http\\Controllers\\Comptabilite\\InvoiceController\:\:officialHeader\(\) expects App\\Models\\School\|null, Illuminate\\Database\\Eloquent\\Model\|null given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Http/Controllers/Comptabilite/InvoiceController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$amount_paid\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$amount_remaining\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$firstname\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$id\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$invoice_number\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$lastname\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$matricule\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$status\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$total\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\Enrollment\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>amount_paid" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
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-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>amount_remaining" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 2
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>firstname" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>invoice_number" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>lastname" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>matricule" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>name" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>status" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>total" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 2
-			path: app/Http/Controllers/Comptabilite/SituationController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\ReportCard\:\:\$avg_general\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$class\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$code\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$enrollment\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$firstname\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$lastname\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$matricule\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 8
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$subject\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\Enrollment\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\Evaluation\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\Payment\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\SubjectAssignment\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\TimetableSlot\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Using nullsafe method call on non\-nullable type Carbon\\CarbonImmutable\. Use \-\> instead\.$#'
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-			count: 4
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>code" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 2
-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>name" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
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-			path: app/Http/Controllers/Dashboard/DashboardController.php
-
-		-
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-
-		-
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-			identifier: property.notFound
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-
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-			identifier: property.notFound
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-
-		-
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-			identifier: property.notFound
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-			path: app/Http/Controllers/Eleves/EnrollmentController.php
-
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-			identifier: property.notFound
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-
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-
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-
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-
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-
-		-
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-
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-
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-			identifier: property.notFound
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-
-		-
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-			identifier: property.notFound
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-
-		-
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-
-		-
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-			identifier: property.notFound
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-
-		-
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-			identifier: property.notFound
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-
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-			identifier: property.notFound
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-
-		-
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-			identifier: property.notFound
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-			path: app/Http/Controllers/Eleves/StudentController.php
-
-		-
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-			path: app/Http/Controllers/Eleves/StudentController.php
-
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-			path: app/Http/Controllers/Eleves/StudentController.php
-
-		-
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-			identifier: argument.type
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-			path: app/Http/Controllers/Eleves/StudentController.php
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-			path: app/Http/Controllers/Eleves/StudentController.php
-
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-			path: app/Http/Controllers/Eleves/StudentController.php
-
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-			path: app/Http/Controllers/Eleves/StudentController.php
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-			identifier: nullsafe.neverNull
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-			path: app/Http/Controllers/Eleves/StudentController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>status" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentController.php
-
-		-
-			message: '#^Using nullsafe property access on non\-nullable type App\\Models\\AcademicYear\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\Enrollment\:\:\$birth_date\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\Enrollment\:\:\$capacity\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\Enrollment\:\:\$cycle\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\Enrollment\:\:\$expected_age\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\Enrollment\:\:\$female\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\Enrollment\:\:\$label\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\Enrollment\:\:\$level\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\Enrollment\:\:\$male\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\Enrollment\:\:\$total\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\Student\:\:\$count\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\Enrollment\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Eleves/StudentStatsController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\User\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Eleves/TimetableController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\User\|Illuminate\\Database\\Eloquent\\Collection\<int, App\\Models\\User\>\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Eleves/TimetableController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Eleves/TimetableController.php
-
-		-
-			message: '#^Method App\\Http\\Controllers\\Eleves\\TimetableController\:\:buildScheduleGrid\(\) should return array\{timeRanges\: Illuminate\\Support\\Collection\<int, string\>, grid\: array\<string, array\<int, App\\Models\\TimetableSlot\>\>\} but returns array\{timeRanges\: Illuminate\\Support\\Collection\<int, non\-falsy\-string\>, grid\: array\<non\-falsy\-string, non\-empty\-array\<int\<0, max\>, App\\Models\\TimetableSlot\>\>\}\.$#'
-			identifier: return.type
-			count: 1
-			path: app/Http/Controllers/Eleves/TimetableController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\TimetableSlot\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Eleves/TimetableController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\User\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Eleves/TimetableController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>year" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Eleves/TimetableController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$class_id\.$#'
-			identifier: property.notFound
-			count: 3
-			path: app/Http/Controllers/Examens/MarkController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$max_score\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Examens/MarkController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>absent" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Examens/MarkController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>max_score" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Examens/MarkController.php
-
-		-
-			message: '#^Access to an undefined property App\\Models\\OfficialExam\:\:\$admis_count\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$average\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$id\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$mention\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$registration_number\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$serie\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$status\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$student\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$student_id\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\OfficialExam\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,Illuminate\\Database\\Eloquent\\Model\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>id" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Examens/OfficialExamController.php
-
-		-
-			message: '#^Parameter \#1 \$rows of method App\\Services\\GradingService\:\:rank\(\) expects Illuminate\\Support\\Collection\<int, array\{student_id\: mixed, average\: float\|null\}\>, Illuminate\\Support\\Collection\<int, array\{student_id\: string, average\: float\|null\}\> given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Http/Controllers/Notes/BulletinController.php
-
-		-
-			message: '#^Parameter \#2 \$type of static method App\\Models\\GradingConfig\:\:resolveOrDefault\(\) expects App\\Models\\ClassroomType\|null, Illuminate\\Database\\Eloquent\\Model\|null given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Http/Controllers/Notes/BulletinController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$classroom_type_id\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Notes/GradeController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$comments\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Notes/GradeController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$score\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Notes/GradeController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\ClassSubject\>\:\:map\(\) contains unresolvable type\.$#'
-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Notes/GradeController.php
-
-		-
-			message: '#^Parameter \#1 \$class of method App\\Services\\GradingService\:\:classRanking\(\) expects App\\Models\\Classroom, Illuminate\\Database\\Eloquent\\Model given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Http/Controllers/Notes/GradeController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$template\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Notes/NoteReclamationController.php
-
-		-
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-			identifier: return.type
-			count: 1
-			path: app/Http/Controllers/Notes/NoteReclamationController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>max_score" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Notes/NoteReclamationController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$reference\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Paie/PayslipController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Parametres/BackupController.php
-
-		-
-			message: '#^Offset ''media'' on array\{format\: string, tables\: int, rows\?\: int\} in isset\(\) does not exist\.$#'
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-			count: 1
-			path: app/Http/Controllers/Parametres/BackupController.php
-
-		-
-			message: '#^Parameter \#1 \$callback of method Illuminate\\Database\\Eloquent\\Collection\<int,App\\Models\\Backup\>\:\:map\(\) contains unresolvable type\.$#'
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-			count: 1
-			path: app/Http/Controllers/Parametres/BackupController.php
-
-		-
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-			identifier: argument.type
-			count: 1
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-
-		-
-			message: '#^Using nullsafe property access "\?\-\>columns" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Parametres/BulletinTemplateController.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>options" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Http/Controllers/Parametres/BulletinTemplateController.php
-
-		-
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-
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-			identifier: property.notFound
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-			path: app/Http/Controllers/Parametres/ClassroomController.php
-
-		-
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-			identifier: property.notFound
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-			path: app/Http/Controllers/Parametres/ClassroomController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$subject\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Parametres/ClassroomController.php
-
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-			path: app/Http/Controllers/Parametres/ClassroomController.php
-
-		-
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-			count: 1
-			path: app/Http/Controllers/Parametres/ClassroomController.php
-
-		-
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-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Parametres/DocumentHeaderController.php
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-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Parametres/DocumentHeaderController.php
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-		-
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-			identifier: property.notFound
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-			path: app/Http/Controllers/Parametres/DocumentHeaderController.php
-
-		-
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-			identifier: nullsafe.neverNull
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-			path: app/Http/Controllers/Parametres/DocumentHeaderController.php
-
-		-
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-			identifier: property.notFound
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-			path: app/Http/Controllers/Parametres/DocumentTemplateController.php
-
-		-
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-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Parametres/DocumentTemplateController.php
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-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Parametres/DocumentTemplateController.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Http/Controllers/Parametres/DocumentTemplateController.php
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-			path: app/Http/Controllers/Parametres/DocumentTemplateController.php
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-			path: app/Http/Controllers/Parametres/DocumentTemplateController.php
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-		-
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-		-
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-			path: app/Http/Controllers/Parametres/FeeStructureController.php
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-		-
-			message: '#^Using nullsafe property access "\?\-\>status" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
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-			count: 1
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-		-
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-			identifier: property.notFound
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-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$id\.$#'
-			identifier: property.notFound
-			count: 1
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-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Http/Controllers/Rh/SalaryGradeController.php
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-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Rh/SalaryGradeController.php
-
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-			identifier: argument.unresolvableType
-			count: 1
-			path: app/Http/Controllers/Rh/SalaryGradeController.php
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-		-
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-			identifier: property.notFound
-			count: 1
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-			identifier: property.notFound
-			count: 1
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-			identifier: property.notFound
-			count: 1
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-
-		-
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-			identifier: property.notFound
-			count: 1
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-		-
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-
-		-
-			message: '#^Parameter \#1 \$run of method App\\Services\\PayrollService\:\:refreshTotals\(\) expects App\\Models\\PayRun, Illuminate\\Database\\Eloquent\\Model\|null given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Services/PayrollService.php
-
-		-
-			message: '#^Strict comparison using \!\=\= between mixed and null will always evaluate to true\.$#'
-			identifier: notIdentical.alwaysTrue
-			count: 1
-			path: app/Services/PayrollService.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$firstname\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$lastname\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 3
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$parent\.$#'
-			identifier: property.notFound
-			count: 2
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$period_system\.$#'
-			identifier: property.notFound
-			count: 1
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Offset ''by_type'' on array\{classe\: float\|null, compo\: float\|null, moy\: float\|null, by_type\: array\<float\|null\>\} on left side of \?\? always exists and is not nullable\.$#'
-			identifier: nullCoalesce.offset
-			count: 1
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Parameter \#1 \$rows of method App\\Services\\GradingService\:\:rank\(\) expects Illuminate\\Support\\Collection\<int, array\{student_id\: mixed, average\: float\|null\}\>, Illuminate\\Support\\Collection\<int, array\{student_id\: string, average\: float\|null\}\> given\.$#'
-			identifier: argument.type
-			count: 4
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Parameter \#2 \$type of static method App\\Models\\BulletinTemplate\:\:resolveOrDefault\(\) expects App\\Models\\ClassroomType\|null, Illuminate\\Database\\Eloquent\\Model\|null given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Parameter \#2 \$type of static method App\\Models\\GradingConfig\:\:resolveOrDefault\(\) expects App\\Models\\ClassroomType\|null, Illuminate\\Database\\Eloquent\\Model\|null given\.$#'
-			identifier: argument.type
-			count: 1
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>firstname" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>lastname" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>name" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 2
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>period_system" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: app/Services/ReportCardBuilder.php
-
-		-
-			message: '#^Called ''count'' on Laravel collection, but could have been retrieved as a query\.$#'
-			identifier: larastan.noUnnecessaryCollectionCall
-			count: 1
-			path: app/Services/StatisticsService.php
-
-		-
-			message: '#^Offset ''assez_bien'' on array\{passable\: int, assez_bien\: int, bien\: int, tres_bien\: int\} on left side of \?\? always exists and is not nullable\.$#'
-			identifier: nullCoalesce.offset
-			count: 1
-			path: app/Services/StatisticsService.php
-
-		-
-			message: '#^Offset ''bien'' on array\{passable\: int, assez_bien\: int, bien\: int, tres_bien\: int\} on left side of \?\? always exists and is not nullable\.$#'
-			identifier: nullCoalesce.offset
-			count: 1
-			path: app/Services/StatisticsService.php
-
-		-
-			message: '#^Offset ''passable'' on array\{passable\: int, assez_bien\: int, bien\: int, tres_bien\: int\} on left side of \?\? always exists and is not nullable\.$#'
-			identifier: nullCoalesce.offset
-			count: 1
-			path: app/Services/StatisticsService.php
-
-		-
-			message: '#^Offset ''tres_bien'' on array\{passable\: int, assez_bien\: int, bien\: int, tres_bien\: int\} on left side of \?\? always exists and is not nullable\.$#'
-			identifier: nullCoalesce.offset
-			count: 1
-			path: app/Services/StatisticsService.php
-
-		-
-			message: '#^Offset int\<20, max\> does not exist on array\{''zéro'', ''un'', ''deux'', ''trois'', ''quatre'', ''cinq'', ''six'', ''sept'', \.\.\.\}\.$#'
-			identifier: offsetAccess.notFound
-			count: 1
-			path: app/Support/FrenchNumberSpeller.php
-
-		-
-			message: '#^Call to an undefined method Illuminate\\Database\\Schema\\IndexDefinition\:\:index\(\)\.$#'
-			identifier: method.notFound
-			count: 2
-			path: database/migrations/2026_02_16_150000_add_unique_indexes_to_matricules.php
-
-		-
-			message: '#^Call to an undefined method Illuminate\\Database\\Schema\\ForeignKeyDefinition\:\:after\(\)\.$#'
-			identifier: method.notFound
-			count: 1
-			path: database/migrations/2026_06_14_000011_add_locked_at_to_evaluations_table.php
-
-		-
-			message: '#^Using nullsafe method call on non\-nullable type Illuminate\\Console\\Command\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: database/seeders/DatabaseSeeder.php
-
-		-
-			message: '#^Using nullsafe method call on non\-nullable type Illuminate\\Console\\Command\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 3
-			path: database/seeders/DefaultUsersSeeder.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$firstname\.$#'
-			identifier: property.notFound
-			count: 1
-			path: database/seeders/DemoSeeder.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$lastname\.$#'
-			identifier: property.notFound
-			count: 1
-			path: database/seeders/DemoSeeder.php
-
-		-
-			message: '#^Access to an undefined property Illuminate\\Database\\Eloquent\\Model\:\:\$name\.$#'
-			identifier: property.notFound
-			count: 1
-			path: database/seeders/DemoSeeder.php
-
-		-
-			message: '#^Using nullsafe method call on non\-nullable type Illuminate\\Console\\Command\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 8
-			path: database/seeders/DemoSeeder.php
-
-		-
-			message: '#^Using nullsafe property access "\?\-\>name" on left side of \?\? is unnecessary\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: database/seeders/DemoSeeder.php
-
-		-
-			message: '#^Using nullsafe method call on non\-nullable type Illuminate\\Console\\Command\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 1
-			path: database/seeders/RolesAndPermissionsSeeder.php
-
-		-
-			message: '#^Method Database\\Seeders\\StudentTestSeeder\:\:resolveAcademicYear\(\) never returns null so it can be removed from the return type\.$#'
-			identifier: return.unusedType
-			count: 1
-			path: database/seeders/StudentTestSeeder.php
-
-		-
-			message: '#^Using nullsafe method call on non\-nullable type Illuminate\\Console\\Command\. Use \-\> instead\.$#'
-			identifier: nullsafe.neverNull
-			count: 4
-			path: database/seeders/StudentTestSeeder.php
diff --git a/phpstan.neon b/phpstan.neon
index bea8f51..f3da84b 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -1,6 +1,5 @@
 includes:
     - vendor/larastan/larastan/extension.neon
-    - phpstan-baseline.neon
 
 parameters:
     level: 5
@@ -15,5 +14,11 @@ parameters:
     # viewDirectories:
     #     - resources/views
 
-    # Ignore les faux positifs connus liés à la magie Laravel ici si besoin.
-    ignoreErrors: []
+    # Faux positif de framework : Illuminate\Database\Seeder::$command est typé
+    # non-nul, mais vaut null quand run() est appelé directement (hors `db:seed`),
+    # ce que font les seeders invoqués programmatiquement et SeederHardeningTest.
+    # L'accès nullsafe `$this->command?->` est donc volontaire et correct.
+    ignoreErrors:
+        -
+            message: '#Using nullsafe method call on non-nullable type Illuminate\\Console\\Command\. Use -> instead\.#'
+            path: database/seeders/*.php