## Summary
- observe the injected executor dispatch seam in the orphan-resume lane
test
- make the lane guard non-vacuous and cover every renamed non-WIP lane
## Test plan
- `corepack pnpm --filter @fusion/engine exec vitest run
src/__tests__/executor-resume-lanes-resolved.test.ts
--silent=passed-only --reporter=dot` (12 passed)
- `corepack pnpm --filter @fusion/engine typecheck`