Changes touching this path

• the two forge backends stop each keeping their own copy of when an embargo opens, because ADR 0027's gate and ADR 0057's standing split are lifted out of the adapters into one choreography both servers call, and a live-Postgres case now reads the same mailbox at five clocks and compares the driver's answers to the reference's (#1412) 882f9837 · 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.