History of Assistant::scope 1 change

In crates/hub/src/assistants.rs, lines 53–59 on 0cd118748131b9e7e98a2c9b7b50df8ebcbda337097e6b2d61110408cc4d9b33. 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.