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FN-5762: add mission hierarchy delete tools with linked-task guards

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Add mission delete tooling across core, dashboard routes, and CLI extension surfaces.

- Add `fn_feature_delete`, `fn_slice_delete`, and `fn_milestone_delete` tools to the CLI extension with `force` override support.
- Enforce live-task linkage guards for feature/slice/milestone deletes in mission store logic and expose conflict behavior through mission routes.
- Extend coverage and docs for delete behavior, allowlist/gating metadata, and published Fusion skill/tool references.

Files changed:
 .changeset/fn-5762-feature-delete.md               |   7 +
 docs/missions.md                                   |  15 +++
 packages/cli/skill/fusion/SKILL.md                 |   2 +-
 .../cli/skill/fusion/references/extension-tools.md |  27 ++++
 .../skill/fusion/references/fusion-capabilities.md |   3 +
 packages/cli/src/__tests__/extension.test.ts       |  34 +++++
 packages/cli/src/extension.ts                      | 106 +++++++++++++++
 packages/core/src/__tests__/mission-store.test.ts  | 146 ++++++++++++++++++++-
 packages/core/src/mission-store.ts                 |  98 ++++++++++++--
 .../dashboard/src/__tests__/mission-e2e.test.ts    |  62 +++++++--
 packages/dashboard/src/mission-routes.ts           |  42 +++++-
 .../workflow-step-readonly-allowlist.test.ts       |   3 +
 packages/engine/src/gating-classifications.ts      |   3 +
 13 files changed, 514 insertions(+), 34 deletions(-)

Fusion-Task-Id: FN-5762
Fusion-Task-Lineage: 9c6eceff-dcb4-4a2b-90c6-59cb0228ca6d
This commit is contained in:
gsxdsm
2026-05-30 23:55:05 -07:00
parent 93d3a58cb8
commit 0ffe7f0604
13 changed files with 516 additions and 36 deletions
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15
docs/missions.md
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@@ -82,9 +82,12 @@ The canonical per-parameter tool reference lives in `packages/cli/skill/fusion/r
| `fn_milestone_update` | Update milestone fields using partial patches. |
| `fn_slice_add` | Add a slice to a milestone. |
| `fn_slice_activate` | Activate a pending slice for implementation. |
| `fn_slice_delete` | Delete a slice (with linked-task guard and optional `force`). |
| `fn_feature_add` | Add a feature to a slice with optional acceptance criteria. |
| `fn_feature_delete` | Delete a feature (with linked-task guard and optional `force`). |
| `fn_feature_update` | Update feature fields using partial patches. |
| `fn_feature_link_task` | Link a feature to a task for implementation. |
| `fn_milestone_delete` | Delete a milestone (with linked-task guard and optional `force`). |
### fn_mission_update
@@ -124,6 +127,18 @@ Updates an existing feature's `title`, `description`, or `acceptanceCriteria`. P
Use this to edit existing features without delete-and-re-add cycles.
## Mission delete policy (hard delete with linked-task guard)
Mission hierarchy records (`missions`, `milestones`, `slices`, `mission_features`) use hard deletes with FK cascades and do not have `deletedAt` soft-delete columns.
To keep behavior consistent, Fusion uses **hard delete with guard** for feature/slice/milestone deletes:
- Delete is rejected when the target (or any cascading child feature) is linked to a **live** task (`deletedAt IS NULL` and not archived).
- Callers can pass `force: true` to override the guard. Force clears the mission linkage before deletion, then proceeds with the same hard delete.
- Linked tasks are preserved; only mission hierarchy rows are removed.
This intentionally differs from task soft-delete behavior described in `docs/soft-delete-verification-matrix.md` and avoids a mission-table soft-delete migration.
## Mission Interview and Planning Workflow
The dashboard supports mission planning workflows where you can: