post:
  tags:
    - Session
  summary: End the API session
  description: Clears session cookies. Idempotent when already signed out.
  operationId: post-api-auth-logout
  security: []
  responses:
    "204":
      description: Session cleared.
    "403":
      description: CSRF origin check failed.
      content:
        application/json:
          schema:
            $ref: ../components/schemas.yaml#/Error
          example:
            error:
              code: FORBIDDEN
              message: Origin is not allowed.
              correlationId: 11111111-1111-4111-8111-111111111111