Show number of items in group headings

[rytswd]

I checked into the code but couldn't figure out how I would go about showing a number of items in the group (e.g. "Important [42]" as header instead of just "Important"). I originally thought I may be able to use org-super-agenda-header-prefix, but didn't see a way to compute the item count as prefix. Perhaps it would be better if it can be a computed suffix, which could be turned on with an extra config?

[alphapapa]

That isn't implemented. It could be, but I'd rather put my time toward fixing up this branch which would offer a similar feature by using magit-section: alphapapa/org-ql#331

However, I'm not against this idea here, either, so patches are welcome.

[rytswd]

I took a quick stab at this, and could make it work for my basic needs. The change is around the org-super-agenda--make-agenda-header function to take in the items list, and append the item length to the header. However, this adds extra header on timegrid as well, leading to meaningless count for that.

Although I'm pretty sure the implementation here is quite crude, I could send a PR if you would be able to check it out at some point 🙏