fixes login page in tenant admin pwa

tests/Feature/Auth/TenantProfileApiTest.php

@@ -95,4 +95,31 @@ class TenantProfileApiTest extends TestCase
 
         $response->assertStatus(401);
     }
+
+    public function test_exchange_returns_no_content_when_session_missing(): void
+    {
+        $response = $this->postJson('/api/v1/tenant-auth/exchange');
+
+        $response->assertNoContent();
+    }
+
+    public function test_exchange_returns_token_for_authenticated_session(): void
+    {
+        $tenant = Tenant::factory()->create();
+        $user = User::factory()->create([
+            'tenant_id' => $tenant->id,
+            'role' => 'tenant_admin',
+            'email_verified_at' => now(),
+        ]);
+
+        $response = $this->actingAs($user)->postJson('/api/v1/tenant-auth/exchange');
+
+        $response->assertOk();
+        $response->assertJsonStructure([
+            'token',
+            'token_type',
+            'abilities',
+            'user' => ['id', 'email', 'role', 'tenant_id'],
+        ]);
+    }
 }