Audit of task.status assignments across packages/core and packages/engine
surfaced five additional transient/in-flight statuses that should block
auto-merge but weren't in BLOCKING_TASK_STATUSES:
- awaiting-approval — triage spec awaiting user approval
- needs-replan — scheduler/executor/triage signaled re-plan needed
- mission-validation — mission-level validation in flight
- queued — scheduler-side transient state
- stuck-killed — defensive guard; task killed by stuck detector
Each represents a state where finalizing the merge violates user intent
or invariants. Group the set with comments explaining the intent of each
group so future additions can be slotted appropriately.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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