- Introduces a `setup()` method in `Application` class to handle complex initialization and side effects.
- Updates `constructor` to be lightweight, only storing configuration options.
- Updates `js/bootstrap.js`, `js/embed.js`, and relevant tests to call `app.setup()` explicitly after instantiation.
- Resolves "Heavy Constructor" code health issue.
- Fixes `tests/video-modal-zap.test.mjs` environment issue with `globalThis.navigator`.
Co-authored-by: PR0M3TH3AN <[email protected]>
