test(ST-1109.9): cover PBI status mappers and sprint-close cascade
- __tests__/lib/task-status.test.ts: 11 cases incl. round-trip + invalid
input for task/story/pbi mappers; verifies PBI_STATUS_API_VALUES shape
- __tests__/actions/sprints-cascade.test.ts: 8 cases for completeSprintAction:
promote on all-DONE, no promote on partial OPEN, respect out-of-sprint
story status, skip already-DONE PBIs, multi-PBI cascade, 0-story guard,
demo-user block
- Full vitest run: 170/170 green across 21 files
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Madhura68
cde40d28c3