feat(ui): unify resource headings with responsive action menus

Add responsive overflow handling and dedicated action menus for application,
service, database, and server headings, while improving upgrade and email
settings flows and returning 404s for missing deployment environments.

tests/Feature/Authorization/NotificationAuthorizationTest.php

@@ -206,6 +206,38 @@ test('admin can update email notification settings', function () {
     expect($this->admin->can('update', $settings))->toBeTrue();
 });
 
+test('admin can save team smtp settings without a resend api key when resend is disabled', function () {
+    $this->actingAs($this->admin);
+    session(['currentTeam' => $this->team]);
+
+    Livewire::test(EmailNotification::class)
+        ->set('smtpFromAddress', 'alerts@example.com')
+        ->set('smtpFromName', 'Coolify')
+        ->set('smtpHost', 'smtp.example.com')
+        ->set('smtpPort', '587')
+        ->set('smtpEncryption', 'starttls')
+        ->set('resendEnabled', false)
+        ->set('resendApiKey', null)
+        ->call('submitResend')
+        ->assertHasNoErrors()
+        ->assertNotDispatched('error');
+});
+
+test('admin cannot enable team resend without an api key', function () {
+    $this->actingAs($this->admin);
+    session(['currentTeam' => $this->team]);
+
+    Livewire::test(EmailNotification::class)
+        ->set('smtpFromAddress', 'alerts@example.com')
+        ->set('smtpFromName', 'Coolify')
+        ->set('resendEnabled', true)
+        ->set('resendApiKey', null)
+        ->call('submitResend')
+        ->assertDispatched('error');
+
+    expect($this->team->emailNotificationSettings()->first()->resend_enabled)->toBeFalse();
+});
+
 // --- Pushover ---
 
 test('member cannot send test notification on pushover', function () {