Your suggested tasks, notes, and bookmarks are much needed, similar to features in apps like Trello, Todoist, Notion, etc.
Combining plain-text interaction with graphical views is cool. Multiplatform sync is a plus.
However, many of these features already exist in some apps.
In 2023, it's surprising that there's no app yet to plan our day based on priority and thought process, aided by AI and more.
Seems like AGI is still far off.