Adds a task reassignment sync helper to the core store, wires it into the system, and ships regression tests; includes a patch changeset for `@runfusion/fusion`. Fusion-Task-Id: FN-4132 Fusion-Task-Lineage: 80ec3c62-7c09-49dd-9e49-74b203e48bf4
Adds a task reassignment sync helper to the core store, wires it into the system, and ships regression tests; includes a patch changeset for `@runfusion/fusion`. Fusion-Task-Id: FN-4132 Fusion-Task-Lineage: 80ec3c62-7c09-49dd-9e49-74b203e48bf4