Module transitions 

State transition table for run instances.

This module defines the valid transitions between run states and enforces the invariant that backward transitions are forbidden.

Structs

Transition

A transition represents a valid state change.

Enums

RunTransitionError

Typed errors for lifecycle transition construction.

Functions

is_valid_transition

Checks if a transition from from to to is valid.

valid_transitions

Returns all valid transitions from a given state.