justinmclean opened a new pull request, #467:
URL: https://github.com/apache/airflow-steward/pull/467
## Summary
The update beat re-audited every skill, tool, and modes.md row on every
run, which was the bulk of the streaming volume on a slow link. This adds
a tools/spec-loop/.last-sync marker holding the BASE SHA the specs were
last synced against, and an update_scope_context step that tells the agent
to diff only the paths changed since that SHA and skip everything else. If
the diff is empty the run exits without creating a branch or commit.
loop.sh owns the marker: after a successful sync it advances .last-sync to
the current BASE HEAD, amending it into the agent's sync commit when there
is one, or making a marker-only branch off BASE when there was nothing to
sync. PROMPT_update.md is updated to honor the incremental scope and to
leave the marker file alone, since loop.sh maintains it.
Also skip the open-PR context (a gh network round-trip) in update mode,
which never picks a work item, and add SPEC_LOOP_OUTPUT_FORMAT (default
text) to switch the agent to stream-json with --verbose when debugging a
wedged run.
## Type of change
- [ ] Skill change (`.claude/skills/<name>/`) — eval fixtures updated below
- [ ] Tool / bridge contract (`tools/<system>/*.md`)
- [ ] Python package (`tools/*/` with `pyproject.toml`)
- [ ] Groovy reference impl
- [ ] Cross-cutting (RFC, AGENTS.md, sandbox, privacy-LLM)
- [ ] Documentation (`docs/`, `README.md`, `CONTRIBUTING.md`)
- [ ] Project template (`projects/_template/`)
- [ ] CI / dev loop (`prek`, workflows, validators)
- [X] Other: tool update
## Test plan
- [X] `prek run --all-files` passes
- [X] For Python packages touched: `uv run pytest` / `ruff check` / `mypy`
passes
- [ ] For Groovy bridges touched: command-line invocation tested end-to-end
- [ ] For skill changes: eval suite passes for the affected skill
(`PYTHONPATH=tools/skill-evals/src python3 -m skill_evals.runner
tools/skill-evals/evals/<skill>/`)
- [ ] For skill *behaviour* changes: a new or updated eval fixture is
included in this PR
(a regression test for the bug fixed / the behaviour added — see
CONTRIBUTING.md)
- [ ] Other:
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