fix: define AgentOps UX modules

[ootakazuhiko]

Summary

Define the missing AgentOps UX profile/modules from the fixed-SHA and public Pages audit in itdojp/it-engineer-knowledge-architecture#226.

• Profile B for practical operations/reference
• reader-facing reading guide, checklist assets, troubleshooting appendix, and license notice are true
• repository-maintainer build quick start is not treated as a reader Quick Start
• no independent concept map, figure index, or glossary is claimed
• missing Profile B figureIndex is tracked in portal #227

Verification

• npm ci
• npm test
• npm audit --audit-level=moderate (0 vulnerabilities)
• docs Jekyll build + top-page smoke
• git diff --check

Residual Faraday / latest-http-server transitive warnings are tracked in #55.

Closes #57

[ootakazuhiko]

@codex review

[Copilot]

Pull request overview

Issue #57（公開Pages監査に基づくUXメタデータ未定義）の解消として、book-config.json に AgentOps UX の Profile B と reader-facing modules フラグを追加し、公開実体と設定値の差分を埋めるPRです。

Changes:

• book-config.json に ux.profile = "B" を追加
• ux.modules に Quick Start/reading guide/checklist/troubleshooting/legal notice 等の有無を boolean で明示

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[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. Keep them coming!

Reviewed commit: 012c8ac711

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