docs: FT194 ipaddress モジュール フィールドトライアルレポートを追加#533
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- IPv4/IPv6 アドレス解析・CIDR 計算・SSRF 防御パターンを検証 - ssrf_safety_check: loopback/link_local/private/reserved/multicast を一括チェック - cidr_contains: match 文で IPv4/IPv6 バージョン不一致を型安全に処理 - F-1: typeshed num_hosts 未定義 → 手動計算 - F-2: Python 3.11+ is_private 仕様変更（127.0.0.0/8 が private に） - F-3: ValueError → HTTPException(422) 変換 - 42 passed / mypy --strict 通過 / ruff 通過 Closes #532 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
ipaddressモジュール — IPv4/IPv6 解析・CIDR 計算・SSRF 防御パターンssrf_safety_check: loopback / link-local（169.254.x.x）/ private / reserved / multicast を全チェックcidr_contains:match文で IPv4/IPv6 バージョン不一致を型安全にFalse返却num_hosts未定義 →/31,/32を考慮した手動計算is_private仕様変更（127.0.0.0/8 が private=True）ValueError→HTTPException(422)変換パターン変更内容
docs/field-trials/2026-05-field-trial-194.md新規作成（6ペルソナ DX Review 含む）docs/field-trials/INDEX.md— FT194 エントリ追加docs/todo/current.md— v1.8.66 / FT194 完了 / FT195 診断あり予告pyproject.toml— v1.8.65 → v1.8.66Test plan
pytest42 passedmypy --strict通過ruff check+ruff format通過pip-audit— PYSEC-2025-183 (mcp 推移的 CVE、許容済み) のみCloses #532
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