History of valid_name 1 change

In src/cli/agent.rs, lines 204–209 on da84e98f104e97c82761a4ce03e84d1cc19003aa557b813f7c7f0d3f1054f3aa. 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 204,209:src/cli/agent.rs.