- Set ALSA_PLUGIN_DIR to PipeWire's alsa-lib path in package wrapper (NixOS store paths aren't in ALSA's default plugin search) - Add nixosModules.default: udev rule for /dev/uinput, systemPackages - Add homeManagerModules.default: systemd user service for autostart Co-authored-by: zitongcharliedeng <zitongcharliedeng@users.noreply.github.com>