State & UX Flow Builder Create consistent UX flows for all application states: loading, error, empty, and success. Output Components Every implementation includes: (1) Loading skeletons, (2) Error state with retry, (3) Empty state with action, (4) Success view, (5) Error boundary, (6) State management pattern (useState/XState/server). Key Patterns Data Fetching Flow : Check loading → Handle error → Show empty → Display data State Machine : XState for complex flows with multiple states and transitions Optimistic Updates : Instant UI feedback with rollback on error Progressive Loading : Show co…