feat: add Sites Livewire CRUD page

tests/Feature/Livewire/SitesTest.php

@@ -0,0 +1,50 @@
+<?php
+
+use App\Livewire\Sites\Index;
+use App\Models\Site;
+use Livewire\Livewire;
+
+test('sites index page lists existing sites', function () {
+    $site = Site::factory()->create(['name' => 'Example Site']);
+
+    $this->get(route('sites.index'))
+        ->assertOk()
+        ->assertSee('Example Site');
+});
+
+test('a new site can be created', function () {
+    Livewire::test(Index::class)
+        ->set('name', 'New Site')
+        ->set('url', 'https://newsite.test')
+        ->set('description', 'Some description')
+        ->call('save');
+
+    expect(Site::where('name', 'New Site')->exists())->toBeTrue();
+});
+
+test('name and url are required to create a site', function () {
+    Livewire::test(Index::class)
+        ->set('name', '')
+        ->set('url', '')
+        ->call('save')
+        ->assertHasErrors(['name', 'url']);
+});
+
+test('an existing site can be edited', function () {
+    $site = Site::factory()->create(['name' => 'Old Name']);
+
+    Livewire::test(Index::class)
+        ->call('edit', $site->id)
+        ->set('name', 'Updated Name')
+        ->call('save');
+
+    expect($site->fresh()->name)->toBe('Updated Name');
+});
+
+test('a site can be deleted', function () {
+    $site = Site::factory()->create();
+
+    Livewire::test(Index::class)->call('delete', $site->id);
+
+    expect(Site::find($site->id))->toBeNull();
+});