{"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-hhyqfx1t","versions":[{"created_at":"2026-06-04T17:01:32Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.3->99.3)","saved_by":"editor","sha256":"fc96cd03d7fd476f6d7ef76ea4dc8f3c3d50244b561c0d07f795650b449bd4b6","version":11},{"created_at":"2026-06-04T05:50:55Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.3→90.3 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.3 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"bb3cef294c41001563393e58e00c8138b7df39f9df6ababce3282eb426bd9a7e","version":10},{"created_at":"2026-06-04T04:57:17Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 47.6→99.3 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"8fb4d153274c720bfcd793bab474e7c4ee150a7d862730af95577d571d435dfb","version":9},{"created_at":"2026-06-04T04:57:17Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"068b1d637cb8dfac6ea0428cec0b099b5169fc3607285b4e4de1187ef988b982","version":8}]}