fix: align UX flags with published modules

[ootakazuhiko]

Summary

Align UX metadata with the actual reader-facing modules audited for portfolio Sprint itdojp/it-engineer-knowledge-architecture#226.

• readingGuide: false → true (dedicated public-top section)
• checklistPack: true → false (no independent checklist pack)
• figureIndex: true → false (no dedicated figure/table index)
• legalNotice: false → true (public license section)
• glossary: false → true (Appendix A, linked in navigation)
• retain troubleshootingFlow=true for Appendix B
• track missing Profile B checklistPack / figureIndex in portal [codex] Use PR list label on workflow top page #227

Verification

• npm ci
• npm run test:light
• npm audit --audit-level=moderate (0 vulnerabilities)
• Jekyll build
• git diff --check

Existing npm allowScripts / Faraday warnings are tracked separately in #235.

Closes #236

[ootakazuhiko]

@codex review

[Copilot]

Pull request overview

本PRは、book-config.json の UX メタデータ（モジュール有効/無効フラグ）を、公開されている読者向けモジュール実体の監査結果に合わせて整合させる変更です（Issue #236 対応）。これにより、公開トップ/ナビゲーション上に存在する導線・セクションと、設定上の表示可否が一致することを意図しています。

Changes:

• Profile B の readingGuide を true に変更
• Profile B の checklistPack / figureIndex を false に変更
• Profile B の legalNotice / glossary を true に変更（troubleshootingFlow=true は維持）

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[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. You're on a roll.

Reviewed commit: 8955a41a76

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