docs: start original P13-03 and preserve spec hash repair evidence

docs/plans/original-completion-2026-10-02/work_packages.json

@@ -7688,7 +7688,7 @@
       "D05",
       "D08"
     ],
-    "state": "planned",
+    "state": "in_progress",
     "supplement_ids": [],
     "owner_roles": {
       "implementation": "実装担当（担当者未割当）",
@@ -7697,7 +7697,7 @@
     },
     "legacy_state": "planned",
     "state_scope": "package-level; completed means whole package accepted; partial implementation is not completion",
-    "current_summary": "一部関連基盤はあるが原本の特殊施設接続は未着手。",
+    "current_summary": "P13-03内容差異の記録に着手しRunner worker実行中。P13-01/P13-02のゲーム接続は未着手。原本必須内容の未制作・未承認を保持しpackage完了ではない。",
     "remaining_deliverables": [
       {
         "id": "P13-01",
@@ -7720,8 +7720,25 @@
         "title": "内容差異の記録",
         "work": "地下牢、マナ炉等のイベント接続と未制作の表現資産を別に管理する。",
         "acceptance": "状態処理の完成を内容制作の完成として加点しない。",
-        "state": "planned",
-        "evidence": []
+        "state": "in_progress",
+        "evidence": [
+          {
+            "path": "docs/spec/acceptance/P13-03.json",
+            "sha256_at_integration": "917cf1504bbfc700e0da42b2db496b42486fe3c36c680f301f58cf34c95267b6",
+            "scope": "Original P13-03 frozen contract only; unit not accepted."
+          },
+          {
+            "path": "docs/plans/original-completion-2026-10-02/checkpoints/p13-03-start-r01/commander.json",
+            "sha256_at_integration": "ed5ea26576d3ed48428a645df31de4d9d824269873f58b9880b014bafa70bd87",
+            "scope": "Actual Claude run decision, not completion."
+          }
+        ],
+        "progress_summary": "原7特殊/地下施設と非施設内容差異の契約を固定しRunner worker1名に着手。初回はraw spec SHAとRunner strip text SHAを誤比較して停止し成果変更0。両checkout生bytes/6inputs一致を確認しcontextを提供、実Claude判断で修正1/2の同workerを再開。ゲーム/素材変更0、正式受入0。",
+        "remaining_gaps": [
+          "7施設/原P13参照/既存素材枠の全差異記録と対象版付き証拠。",
+          "必要検証・正式別Claudeレビュー・統合。"
+        ],
+        "updated_at_jst": "2026-10-13T03:33:41.589774+09:00"
       }
     ],
     "estimate_person_days_historical_2026_09_29": [