{
  config,
  inputs,
  pkgs,
  username,
  project,
  ...
}: {
  #To show logs of services run:
  #journalctl --user-unit={service-name} --user

  # The Niri Session Cleanup Service
  # This service starts when the graphical session starts, and when it stops,
  # it forcibly stops the graphical-session.target to ensure a clean state for the next login.
  systemd.user.services.niri-session-manager = {
    description = "Niri Session Management";
    wantedBy = ["graphical-session.target"];
    partOf = ["graphical-session.target"];

    # Only run this cleanup logic for Niri
    unitConfig.ConditionEnvironment = "XDG_CURRENT_DESKTOP=niri";

    serviceConfig = {
      Type = "simple";
      # A dummy command that stays alive. 'sleep infinity' is low resource.
      ExecStart = "${pkgs.coreutils}/bin/sleep infinity";

      # IMPORTANT: When this service stops (which happens when niri kills its children),
      # it brings down the whole target.
      ExecStopPost = "${pkgs.systemd}/bin/systemctl --user stop graphical-session.target";
    };
  };
}