choom pls fix polkit auth

homeConfigurations/muede/niri.nix

@@ -11,10 +11,18 @@
       xwayland-satellite
     ];
 
-    qt.style = {
+    # Qt theming (QT_STYLE_OVERRIDE) is deliberately disabled, here and in
-      package = pkgs.adwaita-qt;
+    # nixosModules/stylix.nix. Qt >= 6.5 resolves QT_STYLE_OVERRIDE as a
-      name = "adwaita-dark";
+    # Qt Quick Controls style and crashes any QML app when no such QML module
-    };
+    # exists: with QT_STYLE_OVERRIDE=adwaita-dark, polkit-kde-agent segfaulted
+    # on every auth request, breaking polkit under niri. adwaita-qt only ships
+    # a Qt5 widget style (archived upstream), so Qt6 apps never got themed
+    # anyway. If a specific Qt5 app needs the style back, set it per app:
+    #   QT_STYLE_OVERRIDE=adwaita-dark <app>
+    # or for a systemd unit: Environment=QT_STYLE_OVERRIDE=adwaita-dark.
+    # A future alternative is stylix's qtct/kvantum platform, once
+    # https://github.com/nix-community/home-manager/issues/6565 is resolved.
+    stylix.targets.qt.enable = false;
 
     services.wpaperd.enable = true;
 

nixosModules/stylix.nix

@@ -68,6 +68,9 @@
         gtksourceview.enable = false;
         fontconfig.enable = true;
         plymouth.enable = false;
+        # Sets QT_STYLE_OVERRIDE system-wide, which crashes Qt6 QML apps
+        # (e.g. polkit-kde-agent) — see homeConfigurations/muede/niri.nix.
+        qt.enable = false;
       };
       fonts = {
         sansSerif = {