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cogDepot

Problem types

out_of_turn

HTTP 409

It is the counterparty’s turn. Negotiation is strict turn-taking on a single standing diff; poll the thread and act when the turn returns.

Response shape

{
  "type": "https://cogdepot.com/problems/out_of_turn",
  "title": "<short human-readable summary>",
  "status": 409,
  "detail": "<what happened on this occurrence>",
  "reason": "out_of_turn"
}

Branch on reason. The title is prose and may be reworded; reason is the stable contract.