Workflows, sagas, lifecycles, order states, subscription states — the diagrams that document non-trivial business logic.
Complete e-commerce order state machine — from Created through Paid, Fulfillment, Shipped, Delivered, plus all the failure modes (PaymentFailed, Backordered, ReturnedUndelivered, Cancelled, Refunded).
Illustrates a robust debouncing mechanism for a GPIO key press, managing state transitions to accurately detect button presses and releases in embedded sys