feat(FN-2602): merge fusion/fn-2602 (auto-resolved)

- feat(FN-2602): complete Step 7 — add release changeset
- test(FN-2602): complete Step 6 — align migration and schema tests
- test(FN-2602): complete Step 5 — update store status assertions
- feat(FN-2602): complete Step 4 — rename triage prompt labels
- feat(FN-2602): complete Step 3 — add status rename migration
- feat(FN-2602): complete Step 2 — rename respecify status literals
- feat(FN-2602): complete Step 1 — rename triage display labels

packages/core/src/store.ts

@@ -4357,7 +4357,7 @@ export class TaskStore extends EventEmitter<TaskStoreEvents> {
       let invalidatedStatus = false;
       try {
         await this.updateTask(id, {
-          status: "needs-respecify",
+          status: "needs-replan",
         });
         invalidatedStatus = true;
       } catch (err) {
@@ -4365,7 +4365,7 @@ export class TaskStore extends EventEmitter<TaskStoreEvents> {
           ...commentContextBase,
           phase: "addComment:awaiting-approval-invalidation",
           stage: "status-update",
-          nextStatus: "needs-respecify",
+          nextStatus: "needs-replan",
           error: err instanceof Error ? err.message : String(err),
         });
       }
@@ -4383,7 +4383,7 @@ export class TaskStore extends EventEmitter<TaskStoreEvents> {
             ...commentContextBase,
             phase: "addComment:awaiting-approval-invalidation",
             stage: "post-invalidation-log-entry",
-            nextStatus: "needs-respecify",
+            nextStatus: "needs-replan",
             error: err instanceof Error ? err.message : String(err),
           });
         }