Restores a matching, fully validated checkpoint into the process cache. A sharded (v3) checkpoint is preferred; failing that, a legacy single-file v2 checkpoint is restored and migrated into shards.
Canonical ChRIS identity string.
Checkpoint directory override.
Restoration outcome without throwing for absent or invalid files.
Restores a matching, fully validated checkpoint into the process cache. A sharded (v3) checkpoint is preferred; failing that, a legacy single-file v2 checkpoint is restored and migrated into shards.