Add notification inbox, toasts and alert scanner for orders, prints and filament

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tests/Feature/NotificationInboxTest.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\User;
+use App\Notifications\DashboardAlert;
+use Illuminate\Foundation\Testing\LazilyRefreshDatabase;
+use Tests\TestCase;
+
+class NotificationInboxTest extends TestCase
+{
+    use LazilyRefreshDatabase;
+
+    public function test_guests_cannot_read_notifications(): void
+    {
+        $this->getJson(route('notifications.index'))->assertUnauthorized();
+    }
+
+    public function test_user_sees_only_their_notifications_and_can_mark_them_read(): void
+    {
+        $user = User::factory()->create();
+        $other = User::factory()->create();
+        $user->notify(new DashboardAlert('order', 'New Etsy order #1', 'Buyer · GBP 5.00', 'success', route('shipping')));
+        $other->notify(new DashboardAlert('order', 'Private', 'Not yours', 'info'));
+
+        $response = $this->actingAs($user)->getJson(route('notifications.index'))->assertOk()
+            ->assertJsonPath('unread', 1)->assertJsonCount(1, 'items')
+            ->assertJsonPath('items.0.title', 'New Etsy order #1')->assertJsonPath('items.0.level', 'success');
+
+        $id = $response->json('items.0.id');
+        $this->actingAs($other)->postJson(route('notifications.read', $id))->assertOk();
+        $this->assertSame(1, $user->unreadNotifications()->count());
+
+        $this->actingAs($user)->postJson(route('notifications.read', $id))->assertOk();
+        $this->assertSame(0, $user->unreadNotifications()->count());
+    }
+
+    public function test_mark_all_read_clears_the_unread_count(): void
+    {
+        $user = User::factory()->create();
+        $user->notify(new DashboardAlert('print', 'One', 'a'));
+        $user->notify(new DashboardAlert('print', 'Two', 'b'));
+
+        $this->actingAs($user)->postJson(route('notifications.read-all'))->assertOk();
+        $this->actingAs($user)->getJson(route('notifications.index'))->assertJsonPath('unread', 0);
+    }
+
+    public function test_pages_include_the_notification_bell(): void
+    {
+        $this->actingAs(User::factory()->create())->get(route('dashboard'))->assertOk()
+            ->assertSee('data-notifications-toggle', false)->assertSee('data-toast-region', false);
+    }
+}