nix-config/lib/audio-server/pipewire-pulse.conf.in.json

{
  "context.modules": [
    {
      "name": "libpipewire-module-zeroconf-publish"
    },
    {
      "name": "libpipewire-module-protocol-pulse",
      "args": {
        "server.address": [
          "unix:native",
          "tcp:4713"
        ]
      }
    }
  ]
}