fix some bugs from accounting 9

app/Http/Controllers/Admin/AppNotificationController.php

@@ -19,6 +19,30 @@ class AppNotificationController extends Controller
     {
         $query = AppNotification::query()->withCount('reads');
 
+        $source = trim((string) $request->input('source', 'all'));
+        $hasIsSystem = \Illuminate\Support\Facades\Schema::hasColumn('app_notifications', 'is_system');
+
+        if ($source === 'system') {
+            if ($hasIsSystem) {
+                $query->system();
+            } else {
+                $query->where(function ($q) {
+                    $q->whereNull('created_by')
+                        ->orWhere('audience_label', 'like', 'سیستمی%');
+                });
+            }
+        } elseif ($source === 'admin') {
+            if ($hasIsSystem) {
+                $query->adminCreated();
+            } else {
+                $query->whereNotNull('created_by')
+                    ->where(function ($q) {
+                        $q->whereNull('audience_label')
+                            ->orWhere('audience_label', 'not like', 'سیستمی%');
+                    });
+            }
+        }
+
         TableEngine::create($query, $request->all())
             ->initSearch(['title', 'body', 'severity', 'audience_label', 'audience_type'])
             ->select(['*'])
@@ -104,7 +128,7 @@ class AppNotificationController extends Controller
         $row = DB::transaction(function () use ($data, $audience, $audienceType, $segmentKeys, $recipients, $recipientsCount) {
             $user = auth()->user();
 
-            $row = AppNotification::create([
+            $payload = [
                 'title' => $data['title'],
                 'body' => $data['body'],
                 'severity' => $data['severity'],
@@ -114,7 +138,12 @@ class AppNotificationController extends Controller
                 'segment_keys' => $audienceType === AppNotificationAudienceService::TYPE_SEGMENT ? $segmentKeys : null,
                 'audience_label' => $audience->buildAudienceLabel($audienceType, $segmentKeys, $recipientsCount),
                 'recipients_count' => $recipientsCount,
-            ]);
+            ];
+            if (\Illuminate\Support\Facades\Schema::hasColumn('app_notifications', 'is_system')) {
+                $payload['is_system'] = false;
+            }
+
+            $row = AppNotification::create($payload);
 
             if ($audienceType !== AppNotificationAudienceService::TYPE_ALL) {
                 $now = now();
@@ -141,6 +170,12 @@ class AppNotificationController extends Controller
     public function update(Request $request, int $id)
     {
         $row = AppNotification::findOrFail($id);
+        $isSystem = \Illuminate\Support\Facades\Schema::hasColumn('app_notifications', 'is_system')
+            ? (bool) $row->is_system
+            : ($row->created_by === null && str_starts_with((string) $row->audience_label, 'سیستمی'));
+        if ($isSystem) {
+            return response()->json(['message' => 'اعلان سیستمی قابل ویرایش نیست.'], 422);
+        }
         // مخاطب بعد از ارسال ثابت می‌ماند — فقط محتوا/وضعیت
         $data = $request->validate([
             'title' => 'sometimes|required|string|max:191',