1 summarize_rollout_shard_campaign
rollouts.summarize_rollout_shard_campaign(manifest_path, *, final_root)Summarize completion state for a rollout shard campaign.
The summary is manifest-driven: every planned shard is checked at its deterministic final directory, and failed attempts are discovered from _FAILED.<shard_id>.*.json sidecars written beside final shards. This gives operators a retry list without scanning large Zarr payload trees.