Update

hosts/modules/bluetooth.nix

@@ -1,4 +1,5 @@
-{
+{ pkgs, ... }: {
+  environment.systemPackages = with pkgs; [ blueman ];
   hardware.bluetooth = {
     enable = true;
     powerOnBoot = true;

hosts/modules/usb.nix

@@ -11,9 +11,7 @@
     enable = config.var.usbguard;
     dbus.enable = true;
     implicitPolicyTarget = "block";
-    # FIXME: set yours pref USB devices (change {id} to your trusted USB device), use `lsusb` command (from usbutils package) to get list of all connected USB devices including integrated devices like camera, bluetooth, wifi, etc. with their IDs or just disable `usbguard`
-    # allow id {id} # device 1...
-    rules = "";
+    rules = config.var.usbguardRules;
   };
 
   # Enable USB-specific packages