Class MatrixAPI to start lazy loading and support platform/server-bound usage (sclib.org)
add https://github.com/cure53/DOMPurify as optional dependency, if the page context uses it as a polyfill to window.Sanitizer behind the element attr `flag-sanitizerhttps://github.com/cure53/DOMPurify="true"`
timestamps (`show-event-info=""`) and fix/escape html content on event (type message)
display errors to user, refactor API call scripts for room data