Platform API 422 on nice_cxone_digital_flow routing_script validation in provider 1.20.6

The 08:45 JST sync pipeline’s doing jack all again after the messaging template update. terraform 1.9.8 paired with nice-cxone 1.20.6 throws a 422 Unprocessable Entity on nice_cxone_digital_flow when pushing the routing_script block. Cleared the .terraform cache, forced a terraform refresh, and verified the payload against the latest OpenAPI spec. State drift backup shows zero local changes, yet the provider still won’t accept the JSON structure. Error: expected routing_script to be a string, got object