fix(application): persist redirect value in setRedirect

Assign the selected redirect option before validation so valid changes are saved.
Add feature tests to verify redirect persistence and rejection when no www domain exists.

app/Livewire/Project/Application/General.php

@@ -735,6 +735,7 @@ class General extends Component
         $this->authorize('update', $this->application);
 
         try {
+            $this->application->redirect = $this->redirect;
             $has_www = collect($this->application->fqdns)->filter(fn ($fqdn) => str($fqdn)->contains('www.'))->count();
             if ($has_www === 0 && $this->application->redirect === 'www') {
                 $this->dispatch('error', 'You want to redirect to www, but you do not have a www domain set.<br><br>Please add www to your domain list and as an A DNS record (if applicable).');

tests/Feature/ApplicationRedirectTest.php

@@ -0,0 +1,60 @@
+<?php
+
+use App\Livewire\Project\Application\General;
+use App\Models\Application;
+use App\Models\Environment;
+use App\Models\Project;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Livewire\Livewire;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    $this->team = Team::factory()->create();
+    $this->user = User::factory()->create();
+    $this->team->members()->attach($this->user->id, ['role' => 'owner']);
+
+    $this->actingAs($this->user);
+    session(['currentTeam' => $this->team]);
+
+    $this->project = Project::factory()->create(['team_id' => $this->team->id]);
+    $this->environment = Environment::factory()->create(['project_id' => $this->project->id]);
+});
+
+describe('Application Redirect', function () {
+    test('setRedirect persists the redirect value to the database', function () {
+        $application = Application::factory()->create([
+            'environment_id' => $this->environment->id,
+            'fqdn' => 'https://example.com,https://www.example.com',
+            'redirect' => 'both',
+        ]);
+
+        Livewire::test(General::class, ['application' => $application])
+            ->assertSuccessful()
+            ->set('redirect', 'www')
+            ->call('setRedirect')
+            ->assertDispatched('success');
+
+        $application->refresh();
+        expect($application->redirect)->toBe('www');
+    });
+
+    test('setRedirect rejects www redirect when no www domain exists', function () {
+        $application = Application::factory()->create([
+            'environment_id' => $this->environment->id,
+            'fqdn' => 'https://example.com',
+            'redirect' => 'both',
+        ]);
+
+        Livewire::test(General::class, ['application' => $application])
+            ->assertSuccessful()
+            ->set('redirect', 'www')
+            ->call('setRedirect')
+            ->assertDispatched('error');
+
+        $application->refresh();
+        expect($application->redirect)->toBe('both');
+    });
+});