{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-house-h16jb1c7","versions":[{"created_at":"2026-06-04T17:00:25Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (91.3->95.5)","saved_by":"editor","sha256":"fc69dee60e52da9f850b72a7c23d63f626bc758cc4ab558e4bfbb1cfd3a8c95a","version":12},{"created_at":"2026-06-04T05:56:01Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 91.3→91.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.3 (美 100 環 93 楽 100))","saved_by":"editor","sha256":"ab702987b126fe516e23fc9f0736e4d39a082c0c2da1e325b0d66ef9e54380aa","version":11},{"created_at":"2026-06-04T05:03:53Z","element_count":70,"note":"GA batch-improve pass2 2026-06-04: 総合 88.2→91.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.3 (美 100 環 93 楽 100))","saved_by":"editor","sha256":"a0c3346ee07cc6098f0b33eb9d34ae53b0247e7f8cd6b5919af7125ed06a9a57","version":10},{"created_at":"2026-06-04T04:54:37Z","element_count":54,"note":"GA batch-improve 2026-06-04: 総合 65.8→88.2 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 88.2 (美 94 環 93 楽 91))","saved_by":"editor","sha256":"d1c9e7a77c969e5bd618b03c93d1548ac631736624ddfb05efdf1a51b58c1e90","version":9},{"created_at":"2026-06-04T04:54:37Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7163233c5ab7fd70320b883a0732d997c26c1b9412155f5ff1a738afc52aa426","version":8}]}