Fix various small issues

configuration.nix

@@ -72,7 +72,7 @@ in
   };
 
   system.activationScripts.cleanRadiantFiles = ''
-    rm -rf /home/kiosk/.local/share/radiantwave/audio
+    rm -rf /home/kiosk/.local/radiantwave/audio
   '';
 
   # Virtual machine declaration
@@ -108,7 +108,7 @@ in
   users.users.kiosk = {
     isNormalUser = true;
     uid = 1000;
-    extraGroups = ["audio" "video" "input" "networkmanager" "wheel"];
+    extraGroups = ["audio" "video" "input" "networkmanager" "wheel" "seat"];
     openssh.authorizedKeys.keys = myKey;
     password = "Fuckp@ssw0rds";
   };
@@ -207,7 +207,7 @@ in
 
   # --- Set ownership of Radiantwave files ---
   systemd.tmpfiles.rules = [
-    "d /home/kiosk/.local/share/radiantwave 0770 kiosk kiosk -"
+    "d /home/kiosk/.local/radiantwave 0770 kiosk kiosk -"
   ];
 
   # --- Backup service: runs before nixos-upgrade ---
@@ -220,8 +220,8 @@ in
       User = "kiosk";
     };
     script = ''
-      BACKUP_DIR="/home/kiosk/.local/share/radiantwave-backup"
-      SOURCE_DIR="/home/kiosk/.local/share/radiantwave"
+      BACKUP_DIR="/home/kiosk/.local/radiantwave-backup"
+      SOURCE_DIR="/home/kiosk/.local/radiantwave"
 
       mkdir -p "$BACKUP_DIR"
 
@@ -244,7 +244,10 @@ in
       ExecStartPre = "${pkgs.coreutils}/bin/sleep 90";
     };
     script = ''
-      if ${pkgs.procps}/bin/pgrep -x radiantwave > /dev/null; then
+      # The installed `radiantwave` is a makeWrapper script that execs the real
+      # binary (`.radiantwave-unwrapped`), so the process comm is not exactly
+      # `radiantwave`; match the exec'd binary's command line instead.
+      if ${pkgs.procps}/bin/pgrep -f '\.radiantwave-unwrapped' > /dev/null; then
         echo "RadiantWave is running, upgrade successful"
         exit 0
       fi