tests/plausible/recipe_meta.py + tests/plausible/functional/test_health_check.py drafted with
EXTRA_ENV setting required Phoenix vars (DISABLE_AUTH, DISABLE_REGISTRATION, SECRET_KEY_BASE).
Stack converges 1/1 but the served app returns HTTP 500 from / for the full 600s HTTP_TIMEOUT
window — config-class failure, not a deploy-timing issue. Diagnosing needs live container-log
inspection + iterative env tuning, more debug cycles than fit autonomous mode. Committing the
draft + a DEFERRED.md entry; operator can iterate when they want.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>