Run 531 (8f73548) changed a single markdown file: no application code, no test,
no dependency, no workflow file. Its test job failed at 1m18s, in the same
duration band as every run before and after it, including the two Phase 5
milestone commits.
A change that cannot affect compilation or test behaviour cannot cause a test
job to fail. That settles the question the investigation was asked: the cause is
outside the repository. The specific runner mechanism is still unidentified and
still needs the access already listed (job logs via a read-scoped token,
journalctl -u act_runner, runner container config).
Also records a separately discovered, pre-existing bug: booting against a
completely empty MariaDB fails because the MySQL reconciler assumes the
migration-owned tables exist. Reproduced on clean HEAD, unrelated to CI, and
harmless to prod, whose database is populated.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
cesnimda
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