A `Base: <branch>` line in a card makes the seat worker cut its branch from that base (named time/card-N-<base>), see
that branch's files and open the PR against it: every venture card lives on gh-pages and until now the worker always
branched from main, which is why #60, #63, #95 ran out of turns and #109 targeted the wrong branch.
The daily spend cap gates launches; a run that began within budget may finish, up to TIME_CAP_SLACK x the cap (1.5),
and a PR already open gets its review on a capped day too (#87's run was stopped at step 27 with the spend lost). The
monthly cap stays hard. The tick takes the oldest ready card first, as promote_next does.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017K4vyY3yUD3GsvoZaAtKkD
teahubxyzandClaude Fable 5.1
a5249ce8db