Stylix's NixOS module already wires homeModules.stylix into each
home-manager user via its nixos/common.nix. Importing it again ourselves
produced "stylix.base16 is read-only, set multiple times" at evaluation.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Adds nix-community/stylix on its release-25.11 branch (master references
options that don't exist in 25.11's nixpkgs). autoEnable=false so
matugen keeps owning every app it currently themes; we only opt in to
the five targets matugen doesn't cover.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
