The squashed thinking-notice PR was committed with --no-verify, so three
files were never run through `cargo fmt` under the project's pinned
toolchain (rust-toolchain.toml = 1.96.0). Format them so `cargo fmt
--all -- --check` passes — a prerequisite for wiring the prek suite
(which includes that check) into CI in the next commit.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>