docs(ui): clarify application image retention cleanup options

tests/Feature/DockerCleanupExecutionStyleTest.php

@@ -17,3 +17,11 @@ test('docker cleanup executions show a loading state while opening an execution'
         ->toContain('wire:loading.remove')
         ->toContain('<x-loading wire:loading');
 });
+
+test('docker cleanup explains application image retention options', function () {
+    $view = file_get_contents(resource_path('views/livewire/server/docker-cleanup.blade.php'));
+
+    expect($view)
+        ->toContain('Choose Keep retained images to follow each application’s Images to keep setting under Rollback.')
+        ->toContain('Delete all old images ignores that setting and keeps only the running image.');
+});