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Reproduce a bug with a failing test before fixing it, and keep the test in the suite. Use whenever asked to fix a bug, defect, regression, wrong output, or incorrect behavior in code.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
Design, create, and validate portable Agent Skills with effective triggers, concise instructions, and reusable scripts, references, or assets. Use when adding a new skill, substantially restructuring an existing skill, or validating a skill's structure, frontmatter, links, and bundled scripts.
Manage GitHub via CLI including pull requests, issues, workflows, actions, releases, and repositories. Use when working with GitHub, gh commands, GitHub Actions CI/CD, PRs, issues, releases, or repository management.
Check reasoning with a second mind — dispatch a reviewer whose prompt is built for the specific question, with a lens it can fail on and evidence required for every finding. Use before acting on a plan, decision, diagnosis, or rationale whose cost of being wrong is high and whose only support so far is your own reasoning.
Use tmux safely from an agent with explicit pane targeting, state inspection, verified input delivery, response polling, recovery, and multi-agent supervision. Use when an agent CLI, TUI, REPL, authentication flow, or other interactive command must retain terminal state across tool calls.
Confirm you have everything needed to finish a change before starting it — what to implement, how it will be tested, and which rules govern it. Use before non-trivial work, when reviewing a plan for completeness, or when preparing a PR that needs planning evidence.
Manage Linear issues, teams, and projects via the Linear CLI. Use when the tracker is Linear specifically — reading or filing Linear issues, Linear sprint workflows, creating a branch or PR from a Linear issue, or managing Linear teams and projects. Not for GitHub Issues or other trackers.
SOC 직업 분류 기준
| name | failing-test-first |
| description | Reproduce a bug with a failing test before fixing it, and keep the test in the suite. Use whenever asked to fix a bug, defect, regression, wrong output, or incorrect behavior in code. |
A bugfix without a reproduction is a guess. Run this sequence in order — do not fix first and backfill the test.
The fix is not complete until a test that failed before the fix passes after it. Report both runs (red, then green) as evidence.
