History of agent 2 changes

In crates/oh/src/main.rs, lines 730–815 on e97500b70f9ae63aa6df3fadb221f58aa092362b74dda26f09feb1677aab9d8a. 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 730,815:crates/oh/src/main.rs.