D002 - Edition 2024, MSRV 1.85, toolchain pinned to 1.97.1

decided · 2026-08-19

Edition 2024 makes unsafe_op_in_unsafe_fn warn by default and requires unsafe extern blocks - both align with D013 rather than fighting it. Build toolchain is pinned separately from the MSRV floor; they are different things and conflating them causes confusing CI failures.