Scenes allow you to define application state that can be both used for testing and run as an application.

To generate scene runners:

flutter pub run build_runner build --delete-conflicting-outputs

To run:

flutter run -t test/scenes/hello.stager_app.dart -d macos

Configuration for VSCode:

{
    "name": "my-scene",
    "cwd": "devtools_app",
    "request": "launch",
    "type": "dart",
    "program": "test/scenes/memory/default.stager_app.dart",
    "deviceId": "macos"
},