Changes touching this path

• a snapshot opens each base object once and answers both gates from that one read, so a delta capture stops paying a second AES key schedule for a path it has already opened (#1382) 3fe019a9 · 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.