Confirmation message after game installs, so window doesn't just vanish any more.

audiogame-manager.sh

@@ -59,6 +59,8 @@ game_installer() {
                 if [[ -f "$installScript" ]]; then
                     # Source and execute the install script
                     source "$installScript"
+                    # Show success message
+                    agm_msgbox "Installation Complete" "Audio Game Installer" "Game \"${game}\" has been successfully installed."
                 else
                     agm_msgbox "Audio Game Installer" "Audio Game Installer" "Installation script not found for ${game}"
                     exit 1
@@ -557,6 +559,8 @@ done
 if [[ -f ".install/${game}.sh" ]]; then
     export LANG="en_US.UTF-8"
     . ".install/${game}.sh"
+    # Show success message
+    agm_msgbox "Installation Complete" "Audio Game Installer" "Game \"${game}\" has been successfully installed."
 else
     agm_msgbox "Audio Game Installer" "" "Error: Game '${game}' not found in .install directory"
     exit 1