refactor: align codebase with EventCrew domain and trim legacy band stack

- Update API: events, users, policies, routes, resources, migrations
- Remove deprecated models/resources (customers, setlists, invitations, etc.)
- Refresh admin app and docs; remove apps/band

Made-with: Cursor

api/tests/Feature/ExampleTest.php

@@ -2,18 +2,18 @@
 
 namespace Tests\Feature;
 
-// use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Foundation\Testing\RefreshDatabase;
 use Tests\TestCase;
 
 class ExampleTest extends TestCase
 {
-    /**
-     * A basic test example.
-     */
-    public function test_the_application_returns_a_successful_response(): void
-    {
-        $response = $this->get('/');
+    use RefreshDatabase;
 
-        $response->assertStatus(200);
+    public function test_the_api_returns_a_successful_response(): void
+    {
+        $response = $this->getJson('/api/v1');
+
+        $response->assertStatus(200)
+            ->assertJson(['success' => true]);
     }
 }