Ask HN: Recommendations for tool to manage optional tasks?

The core concept would be something like a checklist manager where each thing you want to get done (let's call that a workItem) gets a consistent checklist of tasks.

Each of the tasks must be addressed in some way, either by completing the task OR by stating why you're not going to complete the task.

The workItem should contain a minimal record of the work done and choices made.

e.g. one task might be ROI Assessment - For some features this might be a formal document with assumptions, for a bug it might be very cursory. For something like a piece of work related to compliance it might be totally irrelevant.

The point is that no one forgets it, or assumes that it's unnecessary. The decision to do or not do something is always taken positively and transparently.

I guess this could be hacked into any number of management tools, I was just interested if anyone had heard of something purpose built like this or a system that favors this approach?

thx