fix(vm): increase RAM to 8GB and fix Hyprland rule syntax to prevent crashes

- Increase VM memory to 8192MB to avoid OOM kills during session startup.
- Migrate all 'windowrule' to 'windowrulev2' in core configuration.
- Fix 'no_anim' syntax in layer rules.
- Re-enable graphics while keeping serial logs for debugging.

modules/home/hyprland.nix

@@ -25,9 +25,10 @@ in
         "col.inactive_border" = "rgb(${config.colorScheme.palette.base03})";
       };
       "exec-once" = [
-        "swww-daemon & sleep 0.5 && swww img ${activeWallpaper} --transition-type none"
+        # "swww-daemon & sleep 0.5 && swww img ${activeWallpaper} --transition-type none"
         # "nomarchy-on-boot"
         # "nomarchy-welcome"
+        "alacritty"
       ] ++ (lib.optional config.nomarchy.toggles.waybar "waybar");
       "bind" = [
         "SUPER, Space, exec, walker"