Archiving a task from triage/planning/todo (not just in-progress) previously left leaked active-session-registry entries, so a successor task could hit ActiveSessionPathHeldByForeignTaskError and get blocked from Plan Review.
- Add an explicit `to === "archived"` branch in the task-move handler that awaits abort of in-flight task work and sweeps any leftover activeSessionRegistry paths for the task, checked before the narrower `from === "in-progress"` branch so direct in-progress→archived transitions are covered too.
- Deliberately exclude `to === "done"` / `to === "in-review"` from this sweep since those columns legitimately hold ai-merge / workspace-repo-land merge leases that must survive the transition.
- Add regression test coverage for archive releasing active sessions across originating columns.
- Add changeset and architecture doc note.
Files changed:
.../fn-7717-archive-active-session-release.md | 7 +
docs/architecture.md | 1 +
...xecutor-archive-releases-active-session.test.ts | 167 +++++++++++++++++++++
packages/engine/src/executor.ts | 35 +++++
4 files changed, 210 insertions(+)
Fusion-Task-Id: FN-7717
Fusion-Task-Lineage: 7cff6821-7bb3-4b75-b502-a26467ca7f51
Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>
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