get:
  tags: [Master data]
  summary: List users
  description: Returns every user profile. Identity upsert remains sub-keyed.
  operationId: get-api-users
  responses:
    "200":
      description: User list.
      content:
        application/json:
          schema:
            type: object
            required: [items]
            properties:
              items:
                type: array
                items:
                  $ref: ../components/schemas.yaml#/User
    "401":
      description: Missing session.
      content:
        application/json:
          schema:
            $ref: ../components/schemas.yaml#/Error