History of CloudStore::stat 2 changes

In crates/oxy-strata/src/lib.rs, lines 840–852 on 2f0b4b0651ea3b534a83ef0c851ec3be69430d6e959e3b9ec6eb38b34eb7a12e. 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 840,852:crates/oxy-strata/src/lib.rs.