Fix branch code overflow in setup wizard (varchar(10) limit)

Str::slug on Arabic names can produce codes longer than 10 chars.
Added Str::limit(..., 10, '') to truncate. Also removed navigate:true
from redirects to avoid Livewire SPA issues between layouts.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Livewire/Wizards/SetupWizard.php

@@ -68,7 +68,7 @@ public function mount(): void
         // Check if setup already completed
         $settingsService = app(SettingsService::class);
         if ($settingsService->get('setup_completed', false)) {
-            $this->redirect(route('dashboard'), navigate: true);
+            $this->redirect(route('dashboard'));
             return;
         }
 
@@ -363,7 +363,7 @@ public function completeSetup(): void
                     'phone' => $branchData['phone'] ?? null,
                     'is_main' => $branchData['is_main'] ?? false,
                     'is_active' => true,
-                    'code' => Str::upper(Str::slug($branchData['name_ar'], '')),
+                    'code' => Str::upper(Str::limit(Str::slug($branchData['name_ar'], ''), 10, '')),
                 ]);
             }
 
@@ -459,7 +459,7 @@ public function completeSetup(): void
         });
 
         session()->flash('success', __('تم إعداد النظام بنجاح! مرحباً بك في الكابتن'));
-        $this->redirect(route('dashboard'), navigate: true);
+        $this->redirect(route('dashboard'));
     }
 
     // ─── Helpers ─────────────────────────────────────────────────