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/VehicleResource.php

@@ -27,6 +27,24 @@ class VehicleResource extends Resource
 
     protected static ?int $navigationSort = 20;
 
+    public static function getGloballySearchableAttributes(): array
+    {
+        return ['plate', 'vin', 'brand', 'model'];
+    }
+
+    public static function getGlobalSearchResultTitle(\Illuminate\Database\Eloquent\Model $record): string
+    {
+        return trim(($record->brand ?? '') . ' ' . ($record->model ?? '') . ' — ' . ($record->plate ?? $record->vin ?? '?'));
+    }
+
+    public static function getGlobalSearchResultDetails(\Illuminate\Database\Eloquent\Model $record): array
+    {
+        return [
+            'Client' => $record->client?->name ?? '—',
+            'An' => $record->year ?? '—',
+        ];
+    }
+
     public static function form(Schema $schema): Schema
     {
         return $schema->components([