nh (Nix Helper) Cleaner interface for Nix operations — builds, switches, and garbage collection with readable output. Switching Configuration Build and activate a configuration: Home Manager: macOS with nix-darwin: Path inference works — uses the local in the current directory. Prefix remote paths with to include untracked files. Maintenance & Cleanup Clean the Nix store and old generations: Searching & Updating Search available packages: Update flake inputs before building: Common Options — show what would happen without making changes — ask for confirmation (avoid in headless/automated scri…