Start with the friction. Define the useful change.
These are modeled situations, not customer case studies. They illustrate how a scoped build could follow an operation. Costs, timelines, and results need your actual requirements.
EXAMPLE 01
A utility billing cycle
Accounts, meter readings, and rate rules live in separate files. Staff spend the close checking exceptions by hand.
A possible first scope
Scope a reading import, a visible exception queue, traceable calculations, and a customer access boundary.