Create a cycle in a project (born `planned`; activate via PATCH state=active)

POST 
/api/projects/:id/cycles

Create a cycle in a project (born planned; activate via PATCH state=active). Omit sequence (PT-679) to have the server allocate the next free per-project value; an explicit sequence is still honoured for imports.

Request

Responses

201

Successful response

400

Validation error

401

Unauthorized — authentication credentials are missing or invalid

403

Forbidden — no project access

409

Sequence conflict — an explicit sequence already exists in the project, or (when sequence is omitted) server allocation could not find a free value: a persistent concurrent collision, or the per-project sequence range is exhausted at INT4_MAX