"jump" to the "last" commit

[BatmanAoD]

When switching between numerous commits (or branches) with different work on them, is there an easy way to navigate "backward" to find the commit you were on before the last new, or before a specific operation in the op log?

For instance, say I have two branches, b1 and b2. b1 is a bit out of date and then I rebase it, but it has conflicts starting a couple commits into the branch, so I use jj new <first-conflict>. I resolve some, but not all, of the conflicts. I then, for whatever reason, jump to b2, maybe to quickly resolve a simple CI issue (hahahaha).

I then want to jump back to <first-conflict>-, but I don't necessarily remember what this commit was called. My shell history is helpful but not sufficient; for instance, maybe I only needed the first letter of <first-conflict> to check it out the first time, but now that my working copy is at b2, that's no longer a valid ref.

I realize I could do something like jj op log, find the operation, then jj log --at-operation <op> -r @, but is there a nicer way?

Note: jj prev is based on the commit graph, not the operation log, so that's not what I'm looking for.

[yuja]

#2871 is probably what you want. It's not implemented yet.