History of Assistant::scope 1 change

In crates/hub/src/assistants.rs, lines 53–59 on b91e2d81b3f1ae44682844af0ef18eed1173035d81ecd68bd77ec47b036c5d8c. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 53,59:crates/hub/src/assistants.rs.