History of agent 2 changes

In crates/oh/src/main.rs, lines 886–971 on 4c77a1c8aad8799227421360bab76001757ca9fe11cf66324a7d1e6997ef6b7b. 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 886,971:crates/oh/src/main.rs.