# M16-GAP-00005：Collection data-block LOCAL_EXACT slice

- `task`: `M16-GAP-00005`
- `parent`: `M16-GAP-00004`
- `status`: `in_progress`
- `gap`: `datablock:Collection`
- `targetImplementationClass`: `LOCAL_EXACT`

The task requires same-fixture desktop/WASM collection hierarchy and save/reopen evidence.