- Close first TaskStore before creating second in interactive registration (P1)
- Revert defaultWorkflowId default to undefined; set explicitly in onboarding only (P1)
- Add alpha-only filter + 2-char min to interactive prefix input (P2)
- Move suggestTaskPrefix to @fusion/core, share between CLI and dashboard (P2)
- Fix suggestTaskPrefix JSDoc to match implementation (P2)