`ah branch` & `ah snapshot`

Manage instant Copy-on-Write (CoW) workspace branches and standalone filesystem snapshots.

`ah branch` Subcommands

Subcommand	Description
`ah branch create <name> [--from <base>]`	Creates a new CoW filesystem branch cloned from the current workspace (or `<base>`).
`ah branch list [--json]`	Lists all CoW branches in the current repository along with their CoW backend and disk usage delta.
`ah branch exec <name> -- <cmd...>`	Executes `<cmd...>` inside the specified CoW branch directory.
`ah branch enter <name>`	Opens an interactive shell inside the CoW branch directory.
`ah branch diff <name> [--stat]`	Outputs the unified diff between the CoW branch and its base workspace.
`ah branch file <name> <relative-path>`	Prints the contents of `<relative-path>` from inside the CoW branch.
`ah branch delete <name> [--force]`	Deletes the CoW branch and reclaims modified disk blocks.

Subcommand	Description
`ah snapshot create [--label <text>]`	Captures an atomic point-in-time CoW snapshot of the current workspace.
`ah snapshot list`	Lists workspace snapshots with timestamps and labels.
`ah snapshot restore <snapshot-id>`	Restores the workspace filesystem to `<snapshot-id>`.
`ah snapshot diff <snapshot-id>`	Shows the filesystem diff between the current workspace and `<snapshot-id>`.


ah branch create feat/zero-copy
ah branch exec feat/zero-copy -- cargo test
ah branch diff feat/zero-copy
ah branch delete feat/zero-copy