[codex] Dampen Airflow heartbeat flakes#339
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Summary
unknownevaluations/failimmediatelyRoot Cause
The worker converts Airflow API evaluation exceptions into
{"status":"unknown"}with HTTP 503. A single Astronomer/api/v2/dagsRemoteDisconnectedthen triggered the Better Stack heartbeat/fail, which opened and resolved one-minute incidents on the next healthy worker run.Proof
source .venv-ci/bin/activate && ruff check .source .venv-ci/bin/activate && mypy .source .venv-ci/bin/activate && python -m unittest discover -s tests -p 'test_*.py'