History of preflight 1 change

In crates/flow/src/runner.rs, lines 463–482 on 1217af4847adac5b4bad79208216ec1d39d377347ee7ed3454f06dd2233cfd49. 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 463,482:crates/flow/src/runner.rs.