Fetch full details of a single step.
Create a new step inside an existing group.
Step payload; type discriminates the validation schema.
Fully replace a step via PUT. Use partialUpdate for PATCH semantics.
Patch selected fields on a step (PATCH semantics).
Steps module — CRUD over individual test steps.
Steps belong to a group (GroupsModule). To list a group's steps, fetch the group and read
group.steps— there is no/steps/list endpoint.