nix-darwin Configuration

Architecture

Three-layer system: darwin modules (system) → home-manager (user) → homebrew (GUI apps).

flake.nix                          # Thin orchestration layer
├── hosts/workstation/             # Unstable packages, full toolchain
│   ├── default.nix → modules/darwin/
│   ├── home.nix    → modules/home-manager/base.nix + program modules
│   └── homebrew.nix → modules/homebrew/base.nix + host casks
└── hosts/homelab/                 # Stable packages (macOS 13), minimal
    ├── default.nix → modules/darwin/
    ├── darwin.nix                  # Host-specific overrides (mkForce)
    ├── home.nix    → modules/home-manager/base.nix + neovim-stable
    └── homebrew.nix