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

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

@@ -9713,7 +9713,7 @@
     "execution": "the-tree-p06-01 Runner; recorded Claude decision, one Codex implementer",
     "current_gate_status": "not implemented or executed; formal completion not accepted"
   },
-  "next_closure_plan_id": "P04-01",
+  "next_closure_plan_id": "P26-01",
   "p24_03_formal_closure": "docs/plans/original-completion-2026-10-02/execution/p24-03-formal-closure-r01/closure.json",
   "new_engine_run_scope": "Supplemental positive metadata diagnostic r01 failed cleanup preparation/log isolation; r02 passed17checks unchanged source and entire default profile. No duplicated full game regression.",
   "current_closure_targets": {
@@ -10521,5 +10521,36 @@
     },
     "whole_game_acceptance": false
   },
-  "next_closure_note": "P04-01 remains first upon existing D05 answers; actual Opus will select next independent original work without duplicate worker or invented values."
+  "next_closure_note": "ActualOpus6b9bb7 selects whole originalP26-01 audit; P04 existing D05 questions retained, P24 sourcefe44f55 preserved. Original15/88, newcredit0.",
+  "current_p26_01_content_ledger": {
+    "at": "2026-10-17T20:36:24.754292+09:00",
+    "original_plan_id": "P26-01",
+    "registered_project": "the-tree-p26-01-ledger",
+    "registered_task": "P26-01-LEDGER",
+    "state": "registered_ready_commander_confirmation_running",
+    "actual_selection": "6b9bb7f7a8474689b4094efbfcde2eef",
+    "base_commit": "379a1ba8fd25b5ad24226178a2492f91761dc31d",
+    "original_denominator": {
+      "packages": 30,
+      "units": 88,
+      "formal_completed": 15,
+      "credit_added": 0,
+      "partial_credit": false
+    },
+    "full_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。",
+    "dependencies": "Audit observes P19/P20/P22 actual state; does not accept their production. Pending D08/D09 explicit. P04 existing D05 questions retained.",
+    "missing": [
+      "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"
+    ],
+    "reuse": [
+      "P19-03 accepted table S903a2c566e73cebc874a6499410a1243bc190a63/C8e4f1d92fc2a2e8f1dd187e661cf52b13e4e51d4",
+      "P22-01 accepted usage inventory, verify exact artifact hashes",
+      "P22-03 unaccepted draft cross-reference only"
+    ],
+    "model": "actual Opus selects; proposed gpt-6.1-sol",
+    "storage_estimate_scope": "Opus under5MB is output-material estimate, excludes required Runner checkout copies (~240MB each); stage copies, recover only ended fully restorable duplicates"
+  }
 }