Having read many of the responses on this thread in summary many of us continue to learn and build our knowledge and understanding of effective GenAI applications:
One that comes to mind is Quantity Surveying.
Applying meta data related information to all aspects of supply chain - materials, costing, availability of trades and materials, regional impacts, etc to your budgets and financial reporting models in real time.
Another is Procurement - Financial Modelling. Running various financial scenarios such as Monte Carlo to provide the most practical procurement methodology for your project.
The list will continue to grow!!