Disambiguate release-authorization approval holds from manual plan-approval holds so auto-approve no longer appears broken.
- Add `Task.awaitingApprovalReason` (`"release-authorization" | null`) to distinguish the release-authorization gate from the independent manual plan-approval gate, both of which set `status: "awaiting-approval"`.
- Stamp `awaitingApprovalReason: "release-authorization"` when the release gate blocks a task, and explicitly clear it (`null`) when the manual plan-approval gate parks the task, so a stale reason never survives a replan.
- Add DB migration/persistence support for the new column in `db.ts`/`store.ts`/`types.ts`.
- TaskCard/TaskDetailModal now render a distinct status for release-authorization holds and suppress the generic manual Approve/Reject affordance for them.
- Add i18n string and docs updates (`settings-reference.md`, `workflow-steps.md`) plus a changeset.
- Extend regression tests in db, triage, TaskCard, and TaskDetailModal to cover the new reason field and disambiguated UI.
Files changed:
$(git diff --cached --stat)
Fusion-Task-Id: FN-7559
Fusion-Task-Lineage: 0b37cbf0-40a4-4165-8088-482ed365ba19
Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>
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