{ pkgs, ... }:
{
  programs.firefox = {
    enable = true;
    package = pkgs.firefox-devedition;

    policies = {
      DisableAppUpdate = true;

      ExtensionSettings = {
        "figma-windows-ua-spoofer@imnyang.local" = {
          installation_mode = "force_installed";
          install_url = "https://git.mizuki.guru/imnyang/thisiswindowsfigma/releases/download/v1.0.0/d168a70cb6a24fe4a478-1.0.0.xpi";
        };

        "thisiswindowschromiumnetflix@imnya.ng" = {
          installation_mode = "force_installed";
          install_url = "https://git.mizuki.guru/imnyang/thisiswindowschromiumnetflix/releases/download/v2026.07.27/b30e361a21474a79be8d-2026.7.27.xpi";
        };
      };
    };
  };

  xdg.mimeApps.defaultApplications = {
    "text/html" = [ "firefox-devedition.desktop" ];

    "x-scheme-handler/http" = [ "firefox-devedition.desktop" ];
    "x-scheme-handler/https" = [ "firefox-devedition.desktop" ];
    "x-scheme-handler/about" = [ "firefox-devedition.desktop" ];
    "x-scheme-handler/unknown" = [ "firefox-devedition.desktop" ];
  };
}