docs: Commands ブロックに yarn lint:overrides を載せる

[isamu]

Summary

PR #67 で意図的に後回しにしていた 1 行を入れます。#65 が CLAUDE.md の同じ Commands ブロックを編集していたため、予測できるコンフリクトを避けて #65 のマージ後に回していたものです（#67 の本文と ledger の row 0c に記録済み）。両方マージ済みになったので回収します。

Items to Confirm / Review

所要時間を書きかけて、実測したら嘘でした。 最初は「~40s」と書きました —— #67 のブランチでの実測値です。今 main で測ると 11 秒でした。

理由は #68 が同じ config を変えたからです:

	免除の数	所要
#67 のブランチ	19	41 秒
マージ後の main	14	11 秒

#68 が strict-boolean-expressions を解消し（1 件）、max-lines / max-lines-per-function の 4 エントリを warn から天井付き error（＝免除ではなくゲート）に変えたので、計 5 つが測定対象から外れました。2 つの PR が意図どおり噛み合った結果で、この検査が config を追随していることの実証でもあります。

そのうえで、config 次第で動く数は書かないことにしました。数をコメントに書いて腐らせるのは、まさに lint:overrides が見つけて回っていた腐り方です。「免除 1 つにつき lint 1 回」という形だけを書いています。

裏取り

• CLAUDE.md / README / ci.yml が語る yarn <script> を package.json と突き合わせ → 実在しない script は無し、どこにも書かれていない script も無し
• format:check / lint / typecheck / test すべて終了コード 0

User Prompt

• マージした（feat: eslint の per-file 免除が「まだ何かを黙らせているか」を検査する #67 が入ったので、そこで deferred にしていた項目を回収）

Summary by Sourcery

Document the deferred yarn lint:overrides command in the project’s development command reference.

Enhancements:

• Document the yarn lint:overrides command alongside the project’s other development commands, including its purpose and runtime behavior.

Documentation:

• Update CLAUDE.md to describe how yarn lint:overrides validates ESLint per-file exemptions.

Summary by CodeRabbit

• Documentation
  • Added guidance for the yarn lint:overrides command.
  • Documented how per-file lint exemptions are rechecked and noted the additional linting time.

[sourcery-ai]

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds yarn lint:overrides to CLAUDE.md and explains its purpose: validating that each per-file ESLint exemption still suppresses a real issue by running lint with that rule removed, while keeping the documentation resilient to future config changes.

File-Level Changes

Change	Details	Files
Documents the lint override verification command alongside the existing development commands.	Adds yarn lint:overrides to the Commands block. Explains that the command re-lints once per ESLint per-file exemption with the exempted rule removed. Documents the cost as one lint run per exemption without hard-coding a configuration-dependent count.	CLAUDE.md

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: e1c216b2-46df-4322-bd60-f2f34ba62018

📥 Commits

Reviewing files that changed from the base of the PR and between fa015dd and 2eb8b0c.

📒 Files selected for processing (1)

• CLAUDE.md

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The command documentation now includes yarn lint:overrides. It explains that the command re-lints once for each per-file exemption in eslint.config.js, with the exempted rule removed.

Changes

Lint documentation

Layer / File(s)	Summary
Document lint override behavior CLAUDE.md	Adds the yarn lint:overrides command and documents its per-exemption lint behavior and cost.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 2eb8b

This documentation-only change adds the existing yarn lint:overrides command to the development command reference and introduces no actionable merge-blocking risk.

Suggested reviewers: snakajima

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: documenting yarn lint:overrides in the Commands block.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/lint-overrides-command

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