This kind of planning may not work because of the difficulty of estimating tasks and the nuances that arise, but what about the similar idea of recording not what to do, but what has been done? For example, a text document where you can enter the date and time by keyboard shortcuts and keep a record of what you have done at regular intervals? Something like

20240513131516 posted a new comment here

Has anyone tried something similar or maybe there's some common name for it?