Changes touching this path

• discovery asks one structural question at every depth instead of two that disagreed, so the installer's own dot-loot is never a repo even standing in it and unlock can no longer be handed that directory, while a damaged repo refuses in its own name from a subdirectory rather than letting an ancestor answer 974715e8 · 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.