Takes the one-shot baseline (Surfex.Record.baseline/4, §18.1): every test version the
project's adoption: trusts counts as if it had discriminated, and its verifies: tags
become verifies relations with basis baseline.
mix test
mix surfex.baseline --note "written test-first, reviewed in every MR"It refuses under adoption: :reevaluate (the default), a second time, without tests:,
and before every trusted test has run green at its current version. Baselined relations
stay counted (mix surfex.status shows them, --no-baseline fails on them), and each
moves to evidence the first time its test goes red then green.