- NarrativeEvents collection redesigned with flowData JSON (React Flow format)
- Custom admin field component: NarrativeFlowEditor with @xyflow/react
- Three node types: NarrativeBeat (blue), Choice (amber), Outcome (emerald)
- NodeEditDialog with type-specific forms replacing prompt() editing
- Right-click context menu (Delete node/edge with Radix primitives)
- Dynamic handles on Choice nodes (one per option)
- Dark-themed canvas with MiniMap, Controls, and animated edges
- All changes sync bidirectionally with Payload form state
- AGENTS.md updated with architecture docs
