Greasy Fork

navigation API triggers the fastest, but there are still cases when it isn't triggered. The slow MutationObserver on the native button is still needed.

overhaul using https://developer.mozilla.org/en-US/docs/Web/API/Navigation_API

overhaul by querying the API -- the mobile website doesn't generate the link to the forum on its own, it waits for user's input

handling of chapter switches

code formatting