Fix participant import: rename $errors to $importErrors to avoid Livewire conflict

Livewire reserves $errors for the validation MessageBag. Using the same
name as a public property causes a 500 error on render.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Livewire/Participants/ParticipantImport.php

@@ -20,7 +20,7 @@ class ParticipantImport extends Component
 
     public $file;
     public array $preview = [];
-    public array $errors = [];
+    public array $importErrors = [];
     public int $imported = 0;
     public int $skipped = 0;
     public bool $processing = false;
@@ -42,14 +42,14 @@ public function updatedFile(): void
     {
         $this->validate();
         $this->preview = [];
-        $this->errors = [];
+        $this->importErrors = [];
 
         $path = $this->file->getRealPath();
         $handle = fopen($path, 'r');
 
         $header = fgetcsv($handle);
         if (!$header) {
-            $this->errors[] = 'الملف فارغ أو غير صالح';
+            $this->importErrors[] = 'الملف فارغ أو غير صالح';
             fclose($handle);
             return;
         }
@@ -58,7 +58,7 @@ public function updatedFile(): void
         $required = ['name_ar', 'phone'];
         $missing = array_diff($required, $header);
         if (!empty($missing)) {
-            $this->errors[] = 'أعمدة مفقودة: ' . implode(', ', $missing);
+            $this->importErrors[] = 'أعمدة مفقودة: ' . implode(', ', $missing);
             fclose($handle);
             return;
         }
@@ -79,7 +79,7 @@ public function import(): void
         $this->processing = true;
         $this->imported = 0;
         $this->skipped = 0;
-        $this->errors = [];
+        $this->importErrors = [];
 
         $branchId = $this->getActiveBranchIdOrFail();
         $path = $this->file->getRealPath();
@@ -93,7 +93,7 @@ public function import(): void
             while (($row = fgetcsv($handle)) !== false) {
                 $lineNum++;
                 if (count($row) !== count($header)) {
-                    $this->errors[] = "سطر {$lineNum}: عدد الأعمدة غير متطابق";
+                    $this->importErrors[] = "سطر {$lineNum}: عدد الأعمدة غير متطابق";
                     $this->skipped++;
                     continue;
                 }
@@ -106,7 +106,7 @@ public function import(): void
                 ]);
 
                 if ($validator->fails()) {
-                    $this->errors[] = "سطر {$lineNum}: " . implode(', ', $validator->errors()->all());
+                    $this->importErrors[] = "سطر {$lineNum}: " . implode(', ', $validator->errors()->all());
                     $this->skipped++;
                     continue;
                 }
@@ -148,7 +148,7 @@ public function import(): void
             DB::commit();
         } catch (\Throwable $e) {
             DB::rollBack();
-            $this->errors[] = 'خطأ: ' . $e->getMessage();
+            $this->importErrors[] = 'خطأ: ' . $e->getMessage();
         }
 
         fclose($handle);

resources/views/livewire/participants/participant-import.blade.php

@@ -62,11 +62,11 @@ class="mt-4 px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabl
     @endif
 
     {{-- Errors --}}
-    @if(!empty($errors))
+    @if(!empty($importErrors))
     <div class="bg-red-50 border border-red-200 rounded-xl p-4 mb-6">
         <h3 class="text-sm font-semibold text-red-800 mb-2">{{ __('أخطاء') }}</h3>
         <ul class="text-sm text-red-700 space-y-1 max-h-40 overflow-y-auto">
-            @foreach($errors as $error)
+            @foreach($importErrors as $error)
             <li>{{ $error }}</li>
             @endforeach
         </ul>