missiond

{
  inputs.missiond.url = "github:v3xlabs/missiond";

  # in your configuration
  imports = [inputs.missiond.nixosModules.default];

  services.missiond = {
    enable = true;
    user = "display";
    host = "0.0.0.0";
    port = 3000;
    openFirewall = true;
    adminKeyFile = config.sops.secrets.missiond_admin_key.path;

    # The daemon runs commands and players by name, and a systemd unit inherits no PATH.
    extraPackages = [config.programs.niri.package pkgs.ddcutil pkgs.grim pkgs.mpv];

    settings = {
      name = "Lobby Display";
      device_id = "lobby-display";

      display.output = "DP-1";
      display.schedule = [
        {
          days = ["mon" "tue" "wed" "thu" "fri"];
          from = "07:30";
          to = "23:00";
        }
      ];

      tabs.overview.url = "https://grafana.example.com/d/overview?kiosk";

      # Any RTSP stream can be a tab. A browser has no rtsp:// handler, so mpv plays it outside
      # the browser, which is why mpv is in extraPackages.
      tabs.entrance-camera = {
        rtsp.file = config.sops.secrets.entrance_camera_url.path;
        stinger = "doorbell";
      };

      # A stinger names a file, and `media` is what puts that file in the config directory.
      notifications.stingers.doorbell = {
        file = "doorbell.webm";
        max_duration = "1500ms";
      };

      media."doorbell.webm" = ./media/doorbell.webm;

      # Any iCalendar feed. Its link is a bearer credential, so it takes a reference like the
      # camera above. Entries appear on a rail beside the content, and a toast goes up five
      # minutes before each one and again as it starts.
      calendars.work = {
        name = "Work";
        url.file = config.sops.secrets.work_ics.path;
        window = "12h";
        leads = ["5m" "0s"];
      };

      playlists.lobby = {
        interval = "1m";
        is_default = true;
        tabs = ["overview"];
      };
    };
  };
}