FN-8696: keep reverted tasks out of Done

Keep reverted tasks out of completed views and give every task-detail host a revision recovery path.

- Exclude reverted tasks from complete columns and group them in dedicated recovery lists.
- Provide Delete and Revise actions in cards, lists, docks, modals, and popped-out details.
- Add localized copy, documentation, regression coverage, and a patch changeset.

Files changed:
 .changeset/fn-8696-reverted-task-resolution.md     |  7 ++++
 docs/dashboard-guide.md                            |  4 ++
 packages/dashboard/app/App.tsx                     |  2 +
 packages/dashboard/app/components/AppModals.tsx    |  2 +
 packages/dashboard/app/components/Board.tsx        | 42 +++++++++++++++++++-
 packages/dashboard/app/components/DockTaskList.tsx | 21 +++++++++-
 packages/dashboard/app/components/ListView.tsx     | 18 +++++++++
 packages/dashboard/app/components/TaskCard.css     |  4 ++
 packages/dashboard/app/components/TaskCard.tsx     |  9 +++++
 .../dashboard/app/components/TaskDetailModal.tsx   | 18 ++++++++-
 .../app/components/__tests__/Board.test.tsx        | 46 ++++++++++++++++++++++
 .../app/components/__tests__/DockTaskList.test.tsx | 29 +++++++++++++-
 .../app/components/dashboard/MainContent.tsx       |  4 ++
 .../app/components/overflowViewRegistry.tsx        |  3 ++
 .../app/components/useRightDockController.tsx      |  9 +++++
 .../app/utils/__tests__/taskRevert.test.ts         | 16 +++++++-
 packages/dashboard/app/utils/taskRevert.ts         | 18 +++++++++
 packages/i18n/locales/en/app.json                  |  3 ++
 18 files changed, 249 insertions(+), 6 deletions(-)

Fusion-Task-Id: FN-8696
Fusion-Task-Lineage: 7c9550fb-ef8e-4422-8ec1-0de1665413a3
Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>

docs/dashboard-guide.md

@@ -2384,3 +2384,7 @@ may remain static. The inventory opt-outs are `AgentErrorDetailsModal` (brief ac
 choice), and `StashConflictModal` (urgent bounded recovery). The executable inventory is guarded by
 `modalFloatingWindowContract.test.tsx`; `migratedModalFixtures.tsx` keeps every hosted surface in
 per-modal geometry coverage.
+
+### Reverted task resolution
+
+When a completed task is successfully reverted, Fusion removes it from ordinary Done collections. It remains discoverable in the **Reverted Tasks** resolution section in Board, List, and the right dock. Open the task for provenance, choose **Delete** to use the existing guarded deletion flow, or choose **Revise** to open New Task with the original description prefilled.