Of course they did. It's a common part of large-scale construction. You don't just model the finished product; you model the stages of construction. This is called BIM (Building Information Management), Seattle wrote BIM deliverables into the contract, and Clark used Bentley software to project-manage the construction. Bentley is using this as a PR case study: https://www.bentley.com/wp-content/uploads/2022/05/CS-Clark-...
Other articles are pointing out that the construction company claims that the contract specifies 16 widebody gates and 4 narrowbody gates, exactly what was delivered.