feat: /lawページに「最近の改正をわかりやすく」解説を追加 (SEO B案 Phase1)#3
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GSC分析を受けたSEOコンテンツ強化。/law改正履歴ページに 「最近の改正をわかりやすく」長文解説を追加する設計。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- 根拠付け: diff有改正はpr_summaryを入力にgrounded:true、diff無はwhy/impact抑制 - recent_changesを改正法/トピック単位に集約(重複・技術的整理法を排除) - FAQPage JSON-LDを格下げ(lexdiffはリッチリザルト対象外)・スコープ外に - meta descriptionをexplainer.intro優先に - 事実性レビューゲートと自動スキーマ検証を明文化 - Phase1の成功条件・観測期間を追加 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…red snapshot) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
不動産登記法・民法・労働基準法・道路交通法に「最近の改正をわかりやすく」 解説を生成。groundedな記述は各diffのpr_summaryに基づき、ungroundedは 施行年・改正法名のみのwhatに限定(why/impact抑制)。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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概要
GSC/GA4分析で判明した課題（表示回数は急増中だがCTRほぼ0、
/law改正履歴ページが唯一クリックを獲得する勝ち型）への対応。/law/{lawId}ページに、最近の改正を平易に解説するAI生成セクションを追加し、上がってきた検索露出を実クリックに変えます。設計:
docs/superpowers/specs/2026-06-09-law-explainer-seo-design.mdプラン:
docs/superpowers/plans/2026-06-09-law-explainer-seo.md変更内容
frontend/lib/types.ts):LawExplainer/ExplainerChange/ExplainerFaq追加、LawTimeline.explainer?（optional・後方互換）。scripts/explainer.py新規): Claude(claude-sonnet-4-6)でexplainer(intro/recent_changes/faq) を生成しtimeline JSONに格納。frontend/components/law-explainer.tsx新規 +app/law/[lawId]/page.tsx): summaryカード直後にセクション描画。meta descriptionをexplainer.intro優先に。hallucination対策（設計の中核）
year/grounded/採用する改正はPython側で決定的に確定し、LLMには散文(title/what/why/impact)のみ書かせる。grounded:true（既存diffのpr_summaryが根拠）の改正だけwhy/impactを許可、diff_id:nullはwhatのみで背景・影響を抑制。検証(validate_explainer)と正規化(normalize_explainer)が同じ不変条件を二重に強制。レビュー
pr_summaryに準拠、新規hallucination無し。テスト・検証
uv run pytest tests/test_explainer.py→ 14 passed（純関数のTDD）。npm run build→ 成功。対象4法令にセクション有り、対象外法令は従来通り（後方互換確認済み）。マージ後
main反映でVercelが本番デプロイ。2-3週間後にGSC/GA4で4法令の
/lawのクリック・CTR・対象クエリ順位を観測し、効果が出れば残り法令へ横展開。🤖 Generated with Claude Code