{
  "at": "2026-10-03T01:02:10.806070+00:00",
  "stage": "runtime-freeze-v1",
  "error": "AssertionError: Conversation already has saved messages",
  "scriptSha256": "4041016991966090a0dd5aaffa5d8b9a0b804d861c444b95b567f65bc3f4a7b6",
  "finding": "One native JSONL was initialized with chat_metadata only; zero dialogue messages. The v1 checker incorrectly required no file. v2 checks the actual zero-dialogue requirement; original case contract unchanged.",
  "modelForwards": 0,
  "qualityRerun": false
}