History of Assistant::scope 1 change

In crates/hub/src/assistants.rs, lines 53–59 on 4bae285c6ed8f4866e83476f33ee04619ef87776f910db87e00a21b6ed0e5145. 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.