- Rename ConditionalEdge → StatusEdge, condition → status throughout
- Rename conditional.tsx → status.tsx, edge label shows status value
- Update trans-in/trans-out to use status field instead of condition
- Update validate to check status edges
- Align server/workflow.ts with new WorkflowPayload.graph format
- 20 dashboard tests pass
Phase 3 of #490 (closes#493)