{ ... }: {
  xdg.mimeApps = {
    enable = true;
    defaultApplications = {
        # --- Text ---
        "text/plain" = [ "Helix.desktop" "org.kde.kwrite.desktop" ];
        "text/markdown" = [ "Helix.desktop" "org.kde.kwrite.desktop" ];
        "text/rust" = [ "Helix.desktop" "org.kde.kwrite.desktop" ];
        "application/json" = [ "Helix.desktop" "org.kde.kwrite.desktop" ];
        "application/x-yaml" = [ "Helix.desktop" "org.kde.kwrite.desktop" ];
        "application/x-docbook+xml" = [ "Helix.desktop" "org.kde.kwrite.desktop" ];
        "application/x-zerosize" = [ "Helix.desktop" "org.kde.kwrite.desktop" ];
        "text/x-cmake" = [ "Helix.desktop" "org.kde.kwrite.desktop" ];
        "text/x-objcsrc" = [ "Helix.desktop" "org.kde.kwrite.desktop" ];
        "text/x-typst" = [ "Helix.desktop" "org.kde.kwrite.desktop" ];

        # --- Audio ---
        "audio/mpeg" = [ "org.kde.elisa.desktop" ];
        "audio/x-wav" = [ "org.kde.elisa.desktop" ];
        "audio/x-vorbis+ogg" = [ "org.kde.elisa.desktop" ];
        "audio/flac" = [ "org.kde.elisa.desktop" ];
        "audio/mp4" = [ "org.kde.elisa.desktop" ];
        "audio/aac" = [ "org.kde.elisa.desktop" ];
        "audio/ogg" = [ "org.kde.elisa.desktop" ];

        # --- Video ---
        "video/mp4" = [ "org.kde.haruna.desktop" ];
        "video/x-matroska" = [ "org.kde.haruna.desktop" ];
        "video/webm" = [ "org.kde.haruna.desktop" ];
        "video/quicktime" = [ "org.kde.haruna.desktop" ];
        "video/x-msvideo" = [ "org.kde.haruna.desktop" ];
        "video/mpeg" = [ "org.kde.haruna.desktop" ];
        "video/x-flv" = [ "org.kde.haruna.desktop" ];
        "application/x-matroska" = [ "org.kde.haruna.desktop" ];

        # --- Dokumente & Archive ---
        "application/pdf" = [ "org.pwmt.zathura.desktop" "org.kde.okular.desktop" ];
        "application/zip" = [ "org.kde.ark.desktop" ];
        "application/x-tar" = [ "org.kde.ark.desktop" ];
        "application/x-compressed-tar" = [ "org.kde.ark.desktop" ];
        "image/svg+xml" = [ "org.kde.gwenview.desktop" "org.inkscape.Inkscape.desktop" ];
        "image/png" = [ "org.kde.gwenview.desktop" ];
        "image/jpeg" = [ "org.kde.gwenview.desktop" ];

        # --- Ordner ---
        "inode/directory" = [ "org.kde.dolphin.desktop" ];

        # --- Mail & Kalender ---
        "x-scheme-handler/mailto" = [ "thunderbird.desktop" ];
        "message/rfc822" = [ "thunderbird.desktop" ];
        "text/calendar" = [ "thunderbird.desktop" ];
        "x-scheme-handler/webcal" = [ "thunderbird.desktop" ];
        "x-scheme-handler/webcals" = [ "thunderbird.desktop" ];
        "application/x-extension-ics" = [ "thunderbird.desktop" ];

        # --- Messenger ---
        "x-scheme-handler/sgnl" = [ "signal.desktop" ];
        "x-scheme-handler/signalcaptcha" = [ "signal.desktop" ];

        # --- Terminal ---
        "x-scheme-handler/terminal" = [ "Alacritty.desktop" ];
        "application/x-terminal-emulator" = [ "Alacritty.desktop" ];
    };
  };
}