justinmclean opened a new pull request, #532:
URL: https://github.com/apache/airflow-steward/pull/532
## Summary
### What
Adds the `issue-deduplicate` skill, closing the general-issue deduplication
gap identified in triage-mode.md Known Gaps (sequenced behind
issue-stale-sweep,
now shipped).
The skill takes two open `<issue-tracker>` issue numbers, reasons about their
shared root cause, proposes a closing comment and an optional cross-reference
comment, and waits for explicit maintainer confirmation before posting or
closing anything. It mirrors the state-change discipline of
`security-issue-deduplicate` but operates on the public general-issue tracker
with no CVE or privacy-LLM complexity.
### Ships with
- `skills/issue-deduplicate/SKILL.md` (Steps 0 to 4, five golden rules,
prompt-injection detection, age-tiebreak heuristic)
- 9-case eval suite across 3 steps (step-0-preflight, step-2-build-proposal,
step-3-confirm), including an adversarial injection-in-issue-body case
- Relay symlinks in `.agents/`, `.claude/`, `.github/`
- Row in `docs/labels-and-capabilities.md` (capability:resolve, area:issue)
### Testing
- **skill-and-tool-validator**: passes clean, no hard-rule failures and no
advisories on this skill.
- **skill-evals**: 9/9 cases pass via `claude -p` with Haiku field-aware
grading.
## Type of change
- [X] 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)
- [ ] Other:
## Test plan
- [X] `prek run --all-files` passes
- [ ] For Python packages touched: `uv run pytest` / `ruff check` / `mypy`
passes
- [ ] For Groovy bridges touched: command-line invocation tested end-to-end
- [X] 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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