refactor(nixos): simplify navidrome options

configs/nixos/modules/services/navidrome.nix

@@ -1,62 +1,11 @@
 {
   config,
   lib,
-  pkgs,
   ...
 }:
 {
   options.modules.services.navidrome = {
     enable = lib.mkEnableOption "Navidrome";
-
-    package = lib.mkPackageOption pkgs "navidrome" { };
-
-    port = lib.mkOption {
-      type = lib.types.port;
-      default = 4533;
-      description = "Port Navidrome listens on.";
-    };
-
-    dataDir = lib.mkOption {
-      type = lib.types.str;
-      default = "/var/lib/navidrome";
-      description = "Directory where Navidrome stores state.";
-    };
-
-    musicDir = lib.mkOption {
-      type = lib.types.str;
-      default = "/music";
-      description = "Directory where Navidrome reads the music library.";
-    };
-
-    user = lib.mkOption {
-      type = lib.types.str;
-      default = "navidrome";
-      description = "User account that runs Navidrome.";
-    };
-
-    group = lib.mkOption {
-      type = lib.types.str;
-      default = "storage";
-      description = "Group account that owns Navidrome state and media access.";
-    };
-
-    enableSharing = lib.mkOption {
-      type = lib.types.bool;
-      default = true;
-      description = "Enables Navidrome sharing support.";
-    };
-
-    settings = lib.mkOption {
-      type = lib.types.attrs;
-      default = { };
-      description = "Additional non-secret Navidrome settings.";
-    };
-
-    environmentFile = lib.mkOption {
-      type = lib.types.nullOr lib.types.path;
-      default = null;
-      description = "File containing secret Navidrome environment variables.";
-    };
   };
 
   config = lib.mkMerge [
@@ -65,26 +14,25 @@
     }
 
     (lib.mkIf config.modules.services.navidrome.enable {
-      users.users.${config.modules.services.navidrome.user} = {
+      users.users.navidrome = {
         isSystemUser = true;
         uid = config.registry."stable-uid".${config.networking.hostName}.navidrome;
-        group = config.modules.services.navidrome.group;
-        home = config.modules.services.navidrome.dataDir;
+        group = "storage";
+        home = "/var/lib/navidrome";
       };
 
       services.navidrome = {
         enable = true;
-        package = config.modules.services.navidrome.package;
-        user = config.modules.services.navidrome.user;
-        group = config.modules.services.navidrome.group;
-        environmentFile = config.modules.services.navidrome.environmentFile;
+        user = "navidrome";
+        group = "storage";
+        environmentFile = "/run/secrets/navidrome.env";
         openFirewall = true;
-        settings = config.modules.services.navidrome.settings // {
+        settings = {
           Address = "0.0.0.0";
-          Port = config.modules.services.navidrome.port;
-          DataFolder = config.modules.services.navidrome.dataDir;
-          MusicFolder = config.modules.services.navidrome.musicDir;
-          EnableSharing = config.modules.services.navidrome.enableSharing;
+          Port = 4533;
+          DataFolder = "/var/lib/navidrome";
+          MusicFolder = "/music";
+          EnableSharing = true;
         };
       };
     })