docs: start original P26 ledger audit and record verified storage recovery

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

@@ -17131,7 +17131,7 @@
       "D08",
       "D09"
     ],
-    "state": "planned",
+    "state": "in_progress",
     "supplement_ids": [],
     "owner_roles": {
       "implementation": "実装担当（担当者未割当）",
@@ -17140,15 +17140,30 @@
     },
     "legacy_state": "planned",
     "state_scope": "package-level; completed means whole package accepted; partial implementation is not completion",
-    "current_summary": "全章・人物別内容と完成資産の制作受入は未着手。",
+    "current_summary": "P26-01原本内容台帳の監査に着手。全制作・通し内容・承認未了は未達のまま。",
     "remaining_deliverables": [
       {
         "id": "P26-01",
         "title": "全必要内容の台帳",
         "work": "全章、7名の3ルート、全エンド、台詞、立ち絵、音声の必要枠と条件を確定する。",
         "acceptance": "原本で要求された未制作内容を欠損として記録し、架空の完成数を置かない。",
-        "state": "planned",
-        "evidence": []
+        "state": "in_progress",
+        "evidence": [
+          {
+            "path": "docs/plans/original-completion-2026-10-02/execution/p26-01/ROOT_CURRENT_ACCEPTANCE_STATUS.json",
+            "scope": "Registered audit start only, no original-unit acceptance",
+            "sha256_at_integration": "acd703e21baff3b93b9ee73500666cd48f80ef54c04711da39e72010f7900a23",
+            "linked_at_jst": "2026-10-17T20:36:24.754292+09:00"
+          }
+        ],
+        "progress_summary": "実Opus6b9bb7選定を受け、原受入を固定してP26-01-LEDGERを登録。実装開始判断待ち。P19-03/P22-01再利用、D08/D09欠損保持。完了加算0。",
+        "remaining_gaps": [
+          "whole required content ledger and all original-source coverage",
+          "actual registered checks, exact source applicability",
+          "separate whole-unit Opus review",
+          "normal prepare-integration and candidate integration/final; ledger only after all pass"
+        ],
+        "updated_at_jst": "2026-10-17T20:36:24.754292+09:00"
       },
       {
         "id": "P26-02",