Remove unused dependencies (@awesome.me/webawesome, qrcode) from package.json, remove dead exported functions that are never called from the UI (checkForUpdates, isMockMode, listUtmVms, MOCK_UPDATE_INFO, UpdateInfo), and centralise the duplicated macOS detection that currently uses the deprecated navigator.platform in three separate files.
Remove unused dependencies (@awesome.me/webawesome, qrcode) from package.json, remove dead exported functions that are never called from the UI (checkForUpdates, isMockMode, listUtmVms, MOCK_UPDATE_INFO, UpdateInfo), and centralise the duplicated macOS detection that currently uses the deprecated navigator.platform in three separate files.