History of checkpoint 2 changes

In src/cli/workspace.rs, lines 263–269 on 7bc302317004406d2291e734f808be8ca355489b4e91001a2670be50837560a0. 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 263,269:src/cli/workspace.rs.