Refresh system/tool pins, install official Element Nightly, expand development tools, and finish desktop workflows with a shared charcoal/gold design. Retain host-specific updates and NixOS recovery generations.
Declare dev, scoped sudo/SSH, workspace ownership, Git and Neovim. Lock Nixpkgs, Home Manager and the unmodified dotfiles. Deploy user files declaratively and preserve a writable Lazy lockfile.
Nix formatting and pure flake evaluation pass. Full build, empty-home deployment tests and activation of this reproducibility correction are still pending; the previous account baseline is live.