Deploy 1: i18n + Notifications + Global Search + Tests

- SetLocale middleware (ro/ru/en, session-first, user-persisted)
- Lang switcher in topbar (Filament render hook USER_MENU_BEFORE)
- POST /locale/{lang} route persists to user.locale + session
- Database notifications enabled on tenant panel (30s polling)
- GlobalSearch (Cmd+K / Ctrl+K) on Client, Vehicle, WorkOrder, Lead, Part
- Tests: TenantIsolation (4), AuthFlow (2), WorkOrderCalc (3), MarkupRule (3)

app/Filament/Tenant/Resources/WorkOrderResource.php

@@ -34,6 +34,25 @@ class WorkOrderResource extends Resource
 
     protected static ?int $navigationSort = 30;
 
+    public static function getGloballySearchableAttributes(): array
+    {
+        return ['number', 'description', 'vehicle.plate', 'vehicle.vin', 'client.name', 'client.phone'];
+    }
+
+    public static function getGlobalSearchResultTitle(\Illuminate\Database\Eloquent\Model $record): string
+    {
+        return '#' . ($record->number ?? $record->id) . ' · ' . ($record->vehicle?->plate ?? '?');
+    }
+
+    public static function getGlobalSearchResultDetails(\Illuminate\Database\Eloquent\Model $record): array
+    {
+        return [
+            'Client' => $record->client?->name ?? '—',
+            'Status' => $record->status,
+            'Total' => number_format((float) $record->total, 2),
+        ];
+    }
+
     public static function form(Schema $schema): Schema
     {
         return $schema->components([