Request → Response Flow

How a console action travels through the layers and comes back as a ResultOperation.
Pick a scenario, then Play or step through.

CLI / Utils

menus · askString · askInt
print result

Controller

parse choice · resolve IDs
call Service

Service

business rules
ResultOperation

Repository + Model

ArrayLists (tables)
Person · Car · Dog · …

Persistence

JsonStore · Snapshot
data/repo.json

Response

ResultOperation
printed to console

Choose a scenario above to begin

Coloured boxes = used by this scenario · Grey boxes = not used
Blue path = request · Green path = response · Amber = persistence