Retain failed authorized replication and reconcile gap work

Assistant: codex
Assistant-Model: gpt-6.1-sol
Assistant-Session: 01a1045b-933d-7aa1-b2db-104557487a79

research/evolution/ledger.json

@@ -636,6 +636,42 @@
         "cost_usd": null
       },
       "supersedes": []
+    },
+    {
+      "id": "LEARN-0019",
+      "date": "2026-10-04",
+      "recording": "prospective",
+      "stream": "cross-stream",
+      "comparison_group": "presentation-atomic-replication-v2",
+      "protocol_ref": "research/evolution/cycles/2026-10-04-presentation-replication.md",
+      "question": "Does named organization change constraint/recovery recommendations versus identical guidance under numbered headings on fresh authored variants?",
+      "previous_belief": "Consumed pilot-01 model adjudication scored 18/24 in each condition; naming benefit and equivalence remain unestablished.",
+      "conclusion": "The preregistered 12-attempt run produced no retained answers. All six pairs are excluded; no quality comparison or naming conclusion is possible. Endpoint health checks failed inside and outside the sandbox.",
+      "disposition": "inconclusive",
+      "affected_patterns": [],
+      "evidence": [
+        "research/evaluations/language-replication-02/execution-summary.json",
+        "research/evaluations/language-replication-02/availability-review.json",
+        "research/evaluations/language-replication-02/README.md"
+      ],
+      "remaining_uncertainty": [
+        "No usable generation or empirical rating; failed attempts are not zero scores.",
+        "Provider usage and billing are unknown; no retries or additional calls authorized.",
+        "Active research effort unknown; request elapsed time measures failed execution only.",
+        "Independent human validation and real consumer outcomes remain absent; this new group cannot close a comparable three-cycle window."
+      ],
+      "reviewer": {
+        "name": "Codex",
+        "role": "author-model",
+        "independent_human": false
+      },
+      "effort": {
+        "research_minutes": null,
+        "execution_minutes": 0.000983,
+        "reported_tokens": null,
+        "cost_usd": null
+      },
+      "supersedes": []
     }
   ]
 }