refactor(loop): switch from tar.gz to AppImage packaging

- Use appimageTools.wrapType2 instead of manual stdenv.mkDerivation
- Source: loop-desktop-6.0.3-linux-x86_64.AppImage
- Simplify dependencies via extraPkgs (gtk3, glib)

packages/loop/package.nix

@@ -1,146 +1,27 @@
 {
   lib,
-  stdenv,
+  appimageTools,
   fetchurl,
-  autoPatchelfHook,
-  makeWrapper,
-  wrapGAppsHook3,
-  gtk3,
-  glib,
-  libdrm,
-  mesa,
-  nss,
-  nspr,
-  alsa-lib,
-  dbus,
-  cups,
-  libxkbcommon,
-  libx11,
-  libxcomposite,
-  libxdamage,
-  libxext,
-  libxfixes,
-  libxrandr,
-  libxcb,
-  libxshmfence,
-  systemd,
-  libnotify,
-  libsecret,
-  libappindicator-gtk3,
-  gsettings-desktop-schemas,
 }:
 
 let
   version = "6.0.3";
-  pname = "loop";
 in
 
-stdenv.mkDerivation {
-  inherit pname version;
+appimageTools.wrapType2 {
+  pname = "loop";
+  inherit version;
 
   src = fetchurl {
-    url = "https://artifacts.wilix.dev/repository/loop-files/loop-${version}/loop-desktop-${version}-linux-x64.tar.gz";
-    hash = "sha256-xqbESTUYHumdVbxcaMi838wgCVBH05KfsBZB+QOwNhk=";
+    url = "https://artifacts.wilix.dev/repository/loop-files/loop-${version}/loop-desktop-${version}-linux-x86_64.AppImage";
+    hash = "sha256-zGWKlY6XwuL0e2mDpB/1t0UnW73bhCPcg6XkBJBCEFY=";
   };
 
-  nativeBuildInputs = [
-    autoPatchelfHook
-    makeWrapper
-    wrapGAppsHook3
+  extraPkgs = pkgsWith: [
+    pkgsWith.gtk3
+    pkgsWith.glib
   ];
 
-  buildInputs = [
-    stdenv.cc.cc.lib
-    gtk3
-    glib
-    libdrm
-    mesa
-    nss
-    nspr
-    alsa-lib
-    dbus
-    cups
-    libxkbcommon
-    libx11
-    libxcomposite
-    libxdamage
-    libxext
-    libxfixes
-    libxrandr
-    libxcb
-    libxshmfence
-    systemd
-    libnotify
-    libsecret
-    libappindicator-gtk3
-    gsettings-desktop-schemas
-    glib.bin
-  ];
-
-  dontBuild = true;
-  dontStrip = true;
-
-  installPhase = ''
-    runHook preInstall
-
-    mkdir -p "$out/share/loop" "$out/bin" "$out/share/applications" "$out/share/icons/hicolor/256x256/apps"
-
-    cp -r . "$out/share/loop/"
-
-    # Find and symlink the main executable
-    if [ -f "$out/share/loop/loop" ]; then
-      ln -s "$out/share/loop/loop" "$out/bin/loop"
-    elif [ -f "$out/share/loop/Loop" ]; then
-      ln -s "$out/share/loop/Loop" "$out/bin/loop"
-    elif [ -f "$out/share/loop/loop-desktop" ]; then
-      ln -s "$out/share/loop/loop-desktop" "$out/bin/loop"
-    else
-      # Try to find any executable
-      for f in "$out/share/loop/"*; do
-        if [ -x "$f" ] && [ ! -d "$f" ]; then
-          ln -s "$f" "$out/bin/loop"
-          break
-        fi
-      done
-    fi
-
-    # Desktop entry
-    cat > "$out/share/applications/loop.desktop" << EOF
-[Desktop Entry]
-Name=Loop
-Comment=Corporate messenger for your team
-Exec=$out/bin/loop
-Icon=loop
-Terminal=false
-Type=Application
-Categories=Network;InstantMessaging;
-EOF
-
-    # Install icon if present
-    if [ -f "$out/share/loop/loop-desktop.png" ]; then
-      cp "$out/share/loop/loop-desktop.png" "$out/share/icons/hicolor/256x256/apps/loop.png"
-    elif [ -f "$out/share/loop/app_icon.png" ]; then
-      cp "$out/share/loop/app_icon.png" "$out/share/icons/hicolor/256x256/apps/loop.png"
-    fi
-
-    # Electron GPU libraries expect versioned sonames
-    if [ -f "$out/share/loop/libEGL.so" ] && [ ! -e "$out/share/loop/libEGL.so.1" ]; then
-      ln -s libEGL.so "$out/share/loop/libEGL.so.1"
-    fi
-    if [ -f "$out/share/loop/libGLESv2.so" ] && [ ! -e "$out/share/loop/libGLESv2.so.2" ]; then
-      ln -s libGLESv2.so "$out/share/loop/libGLESv2.so.2"
-    fi
-
-    runHook postInstall
-  '';
-
-  postFixup = ''
-    wrapProgram $out/bin/loop \
-      --prefix PATH : ${glib.bin}/bin \
-      --prefix LD_LIBRARY_PATH : $out/share/loop \
-      --add-flags "--ozone-platform=x11"
-  '';
-
   passthru = {
     category = "Communication";
     updateScript = [