From the latest WWDC (2023) Apple has actually encouraging web app support. In Safari Version 17:
Added support for web apps on macOS Sonoma. Add any website to the Dock from the File menu or Share Sheet to get to them even faster. Web apps open in their own window, and integrate with system features like Stage Manager, Screen Time, Notifications, and Focus. (68606770) [1]
Added support for web apps on macOS Sonoma. Add any website to the Dock from the File menu or Share Sheet to get to them even faster. Web apps open in their own window, and integrate with system features like Stage Manager, Screen Time, Notifications, and Focus. (68606770) [1]
[1] https://developer.apple.com/documentation/safari-release-not...