tomatocream 840cea1f10 Add Nix flake: crane + fenix build, treefmt-nix formatting
Uses flake-parts to organize outputs, with nix/rust.nix defining a
single craneLib/toolchain/commonArgs environment shared by the package
build (nix/rust.nix) and the dev shell (nix/devshell.nix), so both stay
close to identical. Deps are cached separately from the crate itself via
crane's buildDepsOnly, giving incremental rebuilds. Checks cover clippy,
rustfmt, cargo-doc, cargo-audit, and nextest; treefmt-nix wires up
`nix fmt` for Rust/Nix/TOML files.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018ALEXkc7pTro7tF1WcUuKb
2026-08-10 23:58:00 +08:00
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75 KiB
Languages
Nix 59.5%
Shell 21.2%
Just 10.3%
Rust 9%