use same fish config for desktop and server + enable cleaning service

hosts/desktop/home-manager/fish.nix

@@ -1,28 +0,0 @@
-{
-  programs.fish = {
-    enable = true;
-    interactiveShellInit = ''
-      nitch
-      set -g fish_key_bindings fish_hybrid_key_bindings
-      set fish_greeting
-    '';
-    shellAliases = {
-      ls = "eza -al --no-time --no-user --no-permissions --no-filesize";
-      ll = "eza -la";
-      cat = "bat";
-      cd = "z";
-      cp = "cp -v";
-      ff = "fastfetch";
-      grep = "grep -i";
-      hyprland = "start-hyprland";
-      mv = "mv -v";
-      n = "nvim";
-      py = "uv run";
-      r = "rsync -avh --info=progress2";
-      rm = "gomi";
-      ssh = "kitty +kitten ssh";
-      nd = "nix develop";
-      df = "df -h -x tmpfs -x devtmpfs -x squashfs -x overlay -x efivarfs";
-    };
-  };
-}

hosts/desktop/home-manager/home.nix

@@ -8,7 +8,7 @@
   imports = [
     ./mpd.nix
     ./programs.nix
-    ./fish.nix
+    ../../../modules/fish.nix
     zen-browser.homeModules.beta
   ];
 

hosts/music-server/configuration.nix

@@ -51,10 +51,15 @@
     shell = pkgs.fish;
   };
 
+  programs.nh = {
+    enable = true;
+    clean.enable = true;
+    flake = "/home/user/nix-config";
+  };
+
   services.tailscale.enable = true;
   services.rsync.enable = true;
   programs.nix-ld.enable = true;
-  programs.nh.enable = true;
   programs.neovim.enable = true;
   programs.tmux.enable = true;
   programs.bat.enable = true;

hosts/music-server/home-manager/home.nix

@@ -2,6 +2,7 @@
 {
   imports = [
     ./beets.nix
+    ../../../modules/fish.nix
   ];
 
   home.username = "user";
@@ -21,6 +22,8 @@
 
   programs.gcc.enable = true;
 
+  programs.ripgrep.enable = true;
+
   programs.eza = {
     enable = true;
     enableFishIntegration = true;
@@ -39,26 +42,5 @@
     EDITOR = "nvim";
   };
 
-  programs.fish = {
-    enable = true;
-    interactiveShellInit = ''
-      set -g fish_key_bindings fish_hybrid_key_bindings
-      set fish_greeting
-    '';
-    shellAliases = {
-      ls = "eza -al --no-time --no-user --no-permissions --no-filesize";
-      ll = "eza -la";
-      cat = "bat";
-      cd = "z";
-      cp = "cp -v";
-      ff = "fastfetch";
-      grep = "grep -i";
-      mv = "mv -v";
-      n = "nvim";
-      r = "rsync -avh --info=progress2";
-      rm = "gomi";
-    };
-  };
-
   home.stateVersion = "26.05";
 }

hosts/music-server/packages.nix

@@ -19,6 +19,7 @@
       croc
       mp3val
       flac
+      nitch
       (python314.withPackages (
         ps: with ps; [
           requests