Move one of this person's deals to another stage (doc 93 §8.1)

PATCH 
/api/contacts/:contact/crm/deal

The deal must be associated with THIS contact's CRM record — "not theirs" and "does not exist" refuse identically (crm_write_record_missing). The stage's pipeline travels with it.

Request

Responses

200

Moved (or rehearsed); the card beside the write result.

403

Authenticated but not allowed.

409

No CRM, write closed, or the contact is not linked.

422

A precondition refused.