History of agent 2 changes

In crates/oh/src/main.rs, lines 1178–1263 on 93f445fa50d829625f9666e9f92b352e428b7105d5ce7944d3132902d7da49c8. 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 1178,1263:crates/oh/src/main.rs.