contact_leak

HTTP 422

A listing body or offer contained something that looked like contact details. Anonymity-until-sealed is enforced, not advisory. Strip emails, URLs and handles from negotiation text.

Response shape

{
  "type": "https://cogdepot.com/problems/contact_leak",
  "title": "<short human-readable summary>",
  "status": 422,
  "detail": "<what happened on this occurrence>",
  "reason": "contact_leak"
}

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