actually fix mpd

config/mpd/mpd.conf

@@ -1,5 +1,4 @@
 audio_output {
   type "pipewire"
   name "My PipeWire Output"
-  server "127.0.0.1"
 }

configuration.nix

@@ -171,6 +171,7 @@
 
   # TODO(sako):: replace this with mopidy for jellyifn support
   services.mpd = {
+    # pipewire fix
     user = "sako";
     enable = true;
     musicDirectory = "/home/sako/music";
@@ -178,6 +179,11 @@
     startWhenNeeded = true;
   };
 
+  # mpd fix
+  systemd.services.mpd.environment = {
+    XDG_RUNTIME_DIR = "/run/user/1000";
+  };
+
   # garbage collection
   nix.gc = {
       automatic = true;