Moved invitation from jetstream to API; Deactived moved jetstream features

tests/Unit/Mail/OrganizationInvitationMailTest.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Mail;
+
+use App\Mail\OrganizationInvitationMail;
+use App\Models\Organization;
+use App\Models\OrganizationInvitation;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\UsesClass;
+use Tests\TestCaseWithDatabase;
+
+#[CoversClass(OrganizationInvitationMail::class)]
+#[UsesClass(OrganizationInvitationMail::class)]
+class OrganizationInvitationMailTest extends TestCaseWithDatabase
+{
+    public function test_mail_renders_content_correctly(): void
+    {
+        // Arrange
+        $organization = Organization::factory()->create();
+        $invitation = OrganizationInvitation::factory()->forOrganization($organization)->create();
+        $mail = new OrganizationInvitationMail($invitation);
+
+        // Act
+        $rendered = $mail->render();
+
+        // Assert
+        $this->assertStringContainsString('You have been invited to join the '.$invitation->organization->name.' organization', $rendered);
+    }
+}