A Self run claims up to 64 briefs and each empty run counts against all of
them, so one cause tripped the briefs in turn, one question per brief per beat.
claimable now returns nothing while a question is open in any follow-up of the
Mind; the answer reopens the briefs with a fresh count.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>