Changes touching this path

• a seal reuses one zstd context per thread and stops compressing objects it would expand (#798) Perf-Baseline: reset #798 reuses the zstd compression context and skips compression that expands small objects, so bundle_bytes and store_bytes drop 7e424b52 · dbf3dbe6…

Renames are not followed. loot's tree maps a path to an address, so a rename is a delete and an add. This list is the history of the name, not of the bytes.