updated quickshell

modules/graphical/default.nix

@@ -1,32 +1,41 @@
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
 
 {
     programs.hyprland = {
         enable = true;
         xwayland.enable = true;
     };
-    
-    services.displayManager.sddm.enable = false;
+
     services.getty.autologinUser = "anish";
-    
+
+    # Boot straight into Hyprland from the first virtual console on any machine.
+    # No display manager required; tty2-6 remain available as plain shells.
+    environment.loginShellInit = ''
+        if [ "$(tty)" = "/dev/tty1" ]; then
+            exec ${pkgs.hyprland}/bin/Hyprland
+        fi
+    '';
+
+    # Machine-agnostic Wayland session variables.
+    # GPU/vendor specific variables live with their hardware module (e.g. modules/hardware/nvidia.nix).
     environment.sessionVariables = {
         NIXOS_OZONE_WL = "1";
-        WLR_NO_HARDWARE_CURSORS = "1";
-        LIBVA_DRIVER_NAME = "nvidia";
-        GBM_BACKEND = "nvidia-drm";
-        __GLX_VENDOR_LIBRARY_NAME = "nvidia";
         HYPRCURSOR_ENABLED = "1";
         MOZ_ENABLE_WAYLAND = "1";
         QT_QPA_PLATFORM = "wayland;xcb";
         QT_WAYLAND_DISABLE_WINDOWDECORATION = "1";
         CLUTTER_BACKEND = "wayland";
         GDK_BACKEND = "wayland,x11,*";
-        WLR_DRM_DEVICES = "/dev/dri/card1:/dev/dri/card0";       
     };
 
+    # Fonts used across the desktop shell (Silicon Volt theme):
+    # JetBrains Mono for terminal/UI mono, IBM Plex Sans for UI sans,
+    # Instrument Serif for display italics, Nanum Gothic Coding as mono fallback.
     fonts.packages = with pkgs; [
         nerd-fonts.jetbrains-mono
         nerd-fonts.fira-code
         font-awesome
-    ];
+        ibm-plex
+        nanum-gothic-coding
+    ] ++ lib.optional (lib.hasAttr "instrument-serif" pkgs) pkgs.instrument-serif;
 }

modules/hardware/nvidia.nix

@@ -22,4 +22,13 @@
         nvidiaSettings = true;
         package = config.boot.kernelPackages.nvidiaPackages.stable;
     };
+
+    # NVIDIA-specific session variables live here so machines without
+    # NVIDIA GPUs (which do not import this module) stay vendor-clean.
+    environment.sessionVariables = {
+        LIBVA_DRIVER_NAME = "nvidia";
+        GBM_BACKEND = "nvidia-drm";
+        __GLX_VENDOR_LIBRARY_NAME = "nvidia";
+        NVD_BACKEND = "direct";
+    };
 }