unidirectional-flow-enforcer

Use when reviewing state management in UI applications, when data flows in multiple directions, when components directly mutate shared state, or when state updates cause unpredictable cascading re-renders. Trigger on "state is a mess", "I can't track where this value changes", "why did this re-render?", or when building any stateful UI with more than trivial complexity. NOT for server-side data pipelines or…