Allow postponing only a specific number of times

Hi,

Is it possible to somehow specify: allow me to postpone the rest break,
but only once?

I currently use an enforcing mode to disallow postponing at all, which
works much better than unlimited postponing, but sometimes I need to
finish a last thing (1-2 minutes) before a really long (1h or so) break.

Then my solution is to go to suspended mode and go back to normal once
I've finished, but sometimes I simply forget switching it back.

Regards,


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