code-review

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更新日2026年6月10日 12:49

Review code and data pipeline changes for correctness, security, performance, maintainability, contract breaks, and missing verification. Use before merge, after implementation, for PRs, commits, pending diffs, or codebase risk scans.

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ソース

datacoolie

datacoolie/dekit

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Code Review

Review adversarially. Findings require evidence from code, diff, tests, or runtime behavior.

Scope Resolution

PR or URL: review PR diff.
Commit hash: review that commit.
--pending: review staged and unstaged changes.
codebase: scan broader architecture/risk surface.
No explicit target: review recent changes in context or ask for target.

Review Order

Establish scope and changed files.
Check requirement/spec compliance.
Scout affected dependents and edge cases.
Review correctness, contracts, security, performance, tests.
Separate blocking findings from non-blocking observations.

Checklist

Contract breaks: API, schema, grain, metric, config, behavior.
Error handling: no silent swallowing or hidden partial failure.
Validation: inputs checked at trust and data boundaries.
Security: no secrets, PII leaks, injection, auth/authz gaps.
Data correctness: idempotency, schema evolution, quality gates, reconciliation.
Performance: query fan-out, Spark collect/cartesian/skew, unbounded loops.
Maintainability: clear ownership, no duplicated business logic, no speculative abstraction.
Verification: tests or direct checks prove the changed behavior.

Severity

Critical: security exposure, data loss, breaking contract, irreversible damage.
High: likely production failure, wrong results, missing required verification.
Medium: maintainability or performance risk with plausible impact.
Low: style or cleanup that does not block.

Output

Lead with findings:

Findings:
- [Critical|High|Medium|Low] file:line - issue, impact, evidence, fix

Open questions:
- ...

Summary:
- Reviewed: <scope>
- Verification observed: <commands/results or missing>

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name	code-review
description	Review code and data pipeline changes for correctness, security, performance, maintainability, contract breaks, and missing verification. Use before merge, after implementation, for PRs, commits, pending diffs, or codebase risk scans.

Code Review

Review adversarially. Findings require evidence from code, diff, tests, or runtime behavior.

Scope Resolution

PR or URL: review PR diff.
Commit hash: review that commit.
--pending: review staged and unstaged changes.
codebase: scan broader architecture/risk surface.
No explicit target: review recent changes in context or ask for target.

Review Order

Establish scope and changed files.
Check requirement/spec compliance.
Scout affected dependents and edge cases.
Review correctness, contracts, security, performance, tests.
Separate blocking findings from non-blocking observations.

Checklist

Contract breaks: API, schema, grain, metric, config, behavior.
Error handling: no silent swallowing or hidden partial failure.
Validation: inputs checked at trust and data boundaries.
Security: no secrets, PII leaks, injection, auth/authz gaps.
Data correctness: idempotency, schema evolution, quality gates, reconciliation.
Performance: query fan-out, Spark collect/cartesian/skew, unbounded loops.
Maintainability: clear ownership, no duplicated business logic, no speculative abstraction.
Verification: tests or direct checks prove the changed behavior.

Severity

Critical: security exposure, data loss, breaking contract, irreversible damage.
High: likely production failure, wrong results, missing required verification.
Medium: maintainability or performance risk with plausible impact.
Low: style or cleanup that does not block.

Output

Lead with findings:

Findings:
- [Critical|High|Medium|Low] file:line - issue, impact, evidence, fix

Open questions:
- ...

Summary:
- Reviewed: <scope>
- Verification observed: <commands/results or missing>