feat: config リポジトリに scheduled-maintenance workflow を配置

[keito4]

Summary

• テンプレートから scheduled-maintenance.yml を .github/workflows/ にコピーし、config リポジトリ自体の定期メンテナンスを有効化
• 動作確認のため workflow_dispatch で手動実行予定

Test plan

• workflow_dispatch で手動実行し、Claude Code Action が起動することを確認

🤖 Generated with Claude Code

Summary by CodeRabbit

• Chores
  • Added automated scheduled maintenance workflow that runs weekly on Mondays (06:00 UTC) and can be manually triggered with configurable maintenance modes. Automatically creates issues to report maintenance failures.

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

📝 Walkthrough

Walkthrough

Adds a new GitHub Actions workflow file for scheduled repository maintenance. The workflow runs weekly on Mondays via cron schedule and supports manual triggering with mode selection. It invokes an external Claude-based action to execute maintenance tasks and creates tracking issues when failures occur.

Changes

Cohort / File(s)	Summary
Scheduled Maintenance Workflow .github/workflows/scheduled-maintenance.yml	New 95-line workflow configuration with weekly cron trigger (Mondays 06:00 UTC), workflow_dispatch support with optional mode parameter (full/quick/check-only), concurrency controls, 30-minute timeout, invocation of Claude code action for /repo-maintenance, and failure handling that creates a labeled maintenance issue.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• feat: CI定期実行による各リポジトリメンテナンス workflow を追加 #621: Adds the same "Scheduled Maintenance" workflow with Claude action invocation and mode inputs
• feat: repo-maintenanceにcheck-file-length自動追加を組み込む #537: Modifies /repo-maintenance command to auto-add check-file-length, affecting what the workflow executes
• feat: Add setup-ci to repo-maintenance command #295: Extends /repo-maintenance command with /setup-ci check, directly impacting the workflow's maintenance operations

Suggested labels

released

Poem

🐰 A schedule now set, the hutch runs so clean,
Each Monday at dawn, maintenance routine,
Claude hops to the rescue when things go awry,
Creating wee issues when tasks sadly die! 🔧✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 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: adding a scheduled-maintenance workflow to the config repository.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/add-scheduled-maintenance-to-config

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[keito4]

🔍 AI Code Review (Local Hook)

Models: Codex (default) / Gemini (default)

🤖 Codex Review

指摘事項は見つかりませんでした。

全体判定
patch is correct — 変更はスケジュール実行用のワークフロー追加のみで、権限や失敗時のフォールバックも整合しており、実行に必要な最小限の設定が満たされています。
信頼度: 0.62

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🤖 Generated by post_pr_ai_review.py hook

[github-actions]

🎉 This PR is included in version 1.106.0 🎉

The release is available on GitHub release

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