Add registration open/close toggle + fix event slug generation for Arabic titles

- Add openRegistration() and closeRegistration() methods to EventShow Livewire component
- Add registration control panel in event admin sidebar with status indicator and toggle buttons
- Fix slug generation to produce ASCII-safe slugs (prevents WhatsApp/messaging apps from
  truncating URLs containing Arabic/Hindi numerals)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Domain/Event/Services/EventService.php

@@ -90,7 +90,8 @@ public function duplicate(Event $event, User $actor): Event
 
     public function generateSlug(string $title, int $academyId, ?int $excludeId = null): string
     {
-        $base = Str::slug($title, '-', null) ?: Str::random(8);
+        $ascii = Str::slug($title, '-', 'en');
+        $base = preg_match('/[a-z0-9]/', $ascii) ? $ascii : ('event-' . strtolower(Str::random(8)));
 
         $slug = $base;
         $counter = 1;

app/Livewire/Events/EventShow.php

@@ -49,6 +49,25 @@ public function publish(EventService $service): void
         }
     }
 
+    public function openRegistration(): void
+    {
+        $this->authorize('events.manage');
+        $this->event->update(['registration_closes_at' => null]);
+        if ($this->event->registration_opens_at && $this->event->registration_opens_at->isFuture()) {
+            $this->event->update(['registration_opens_at' => now()]);
+        }
+        $this->event->refresh();
+        session()->flash('success', __('تم فتح التسجيل'));
+    }
+
+    public function closeRegistration(): void
+    {
+        $this->authorize('events.manage');
+        $this->event->update(['registration_closes_at' => now()]);
+        $this->event->refresh();
+        session()->flash('success', __('تم إغلاق التسجيل'));
+    }
+
     public function deleteEvent(EventService $service): void
     {
         $this->authorize('events.manage');

resources/views/livewire/events/event-show.blade.php

@@ -193,6 +193,42 @@ class="w-full px-3 py-2 text-start text-sm rounded-lg border hover:bg-gray-50 tr
                 </div>
             @endcan
 
+            {{-- Registration Control --}}
+            @can('events.manage')
+                @if(!in_array($event->status, [\App\Domain\Event\Enums\EventStatus::Draft, \App\Domain\Event\Enums\EventStatus::Cancelled]))
+                    <div class="bg-white rounded-xl border border-gray-200 p-6">
+                        <h3 class="text-sm font-semibold text-gray-700 mb-3">{{ __('التحكم بالتسجيل') }}</h3>
+                        <div class="flex items-center gap-2 mb-3">
+                            <span class="w-2.5 h-2.5 rounded-full {{ $event->isRegistrationOpen() ? 'bg-green-500' : 'bg-red-500' }}"></span>
+                            <span class="text-sm {{ $event->isRegistrationOpen() ? 'text-green-700' : 'text-red-700' }}">
+                                {{ $event->isRegistrationOpen() ? __('التسجيل مفتوح') : __('التسجيل مغلق') }}
+                            </span>
+                        </div>
+                        <div class="space-y-2">
+                            @if($event->isRegistrationOpen())
+                                <button wire:click="closeRegistration"
+                                        wire:loading.attr="disabled"
+                                        wire:confirm="{{ __('هل أنت متأكد من إغلاق التسجيل؟') }}"
+                                        class="w-full px-3 py-2 bg-red-600 text-white text-sm rounded-lg hover:bg-red-700 transition-colors">
+                                    <span wire:loading.remove wire:target="closeRegistration">{{ __('إغلاق التسجيل') }}</span>
+                                    <span wire:loading wire:target="closeRegistration">{{ __('جارٍ...') }}</span>
+                                </button>
+                            @else
+                                <button wire:click="openRegistration"
+                                        wire:loading.attr="disabled"
+                                        class="w-full px-3 py-2 bg-green-600 text-white text-sm rounded-lg hover:bg-green-700 transition-colors">
+                                    <span wire:loading.remove wire:target="openRegistration">{{ __('فتح التسجيل') }}</span>
+                                    <span wire:loading wire:target="openRegistration">{{ __('جارٍ...') }}</span>
+                                </button>
+                            @endif
+                        </div>
+                        @if($event->registration_closes_at)
+                            <p class="text-xs text-gray-400 mt-2">{{ __('مغلق حتى:') }} {{ $event->registration_closes_at->translatedFormat('d M Y - H:i') }}</p>
+                        @endif
+                    </div>
+                @endif
+            @endcan
+
             {{-- Form Fields Summary --}}
             <div class="bg-white rounded-xl border border-gray-200 p-6">
                 <h3 class="text-sm font-semibold text-gray-700 mb-3">{{ __('حقول النموذج') }}</h3>