Scaffold a complete Rust CLI project with Cargo, cargo-deny, cargo-nextest, git-cliff, GitHub Actions CI/CD, and Makefile. Use when the user says "scaffold a Rust CLI", "new Rust CLI", "create a Rust binary crate", "start a Rust CLI", "bootstrap a Rust CLI", or starts a Rust command-line tool from s
Scaffold a complete Rust CLI project with Cargo, cargo-deny, cargo-nextest, git-cliff, GitHub Actions CI/CD, and Makefile. Use when the user says "scaffold a Rust CLI", "new Rust CLI", "create a Rust binary crate", "start a Rust CLI", "bootstrap a Rust CLI", or starts a Rust command-line tool from scratch. Optionally adds clap for argument parsing and supports a macOS-only variant. For language-ag