manatee: Add enable option to jellyfin module

hosts/manatee/modules/default.nix

@@ -15,6 +15,7 @@ in
 
       transmission.enable = true;
       audiobookshelf.enable = true;
+      jellyfin.enable = true;
       immich.enable = true;
     };
   };

hosts/manatee/modules/jellyfin/default.nix

@@ -1,39 +1,55 @@
-{ pkgs, ... }:
 {
-  users.users.jellyfin = {
-    isSystemUser = true;
-    group = "storage";
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+let
+  enabled = config.mod.jellyfin.enable;
+in
+{
+  options = {
+    mod.jellyfin = {
+      enable = lib.mkEnableOption "Enable jellyfin module";
+    };
+  };
 
-    extraGroups = [
-      "render"
-      "video"
+  config = lib.mkIf enabled {
+    users.users.jellyfin = {
+      isSystemUser = true;
+      group = "storage";
+
+      extraGroups = [
+        "render"
+        "video"
+      ];
+    };
+
+    hardware = {
+      graphics = {
+        enable = true;
+        extraPackages = [
+          pkgs.intel-media-driver # Modern Intel VA-API driver (needed for N305)
+          pkgs.libvdpau-va-gl # VDPAU backend for VA-API GLX interop
+        ];
+
+      };
+    };
+
+    services = {
+      jellyfin = {
+        enable = true;
+        openFirewall = true;
+
+        user = "jellyfin";
+        group = "storage";
+      };
+    };
+
+    environment.systemPackages = [
+      pkgs.jellyfin
+      pkgs.jellyfin-web
+      pkgs.jellyfin-ffmpeg
     ];
   };
-
-  hardware = {
-    graphics = {
-      enable = true;
-      extraPackages = [
-        pkgs.intel-media-driver # Modern Intel VA-API driver (needed for N305)
-        pkgs.libvdpau-va-gl # VDPAU backend for VA-API GLX interop
-      ];
-
-    };
-  };
-
-  services = {
-    jellyfin = {
-      enable = true;
-      openFirewall = true;
-
-      user = "jellyfin";
-      group = "storage";
-    };
-  };
-
-  environment.systemPackages = [
-    pkgs.jellyfin
-    pkgs.jellyfin-web
-    pkgs.jellyfin-ffmpeg
-  ];
 }