Replace SDDM with greetd+tuigreet

modules/hyprland.nix

@@ -10,7 +10,7 @@
   # Session variables
   environment.sessionVariables.NIXOS_OZONE_WL = "1";
 
-  # Security - required for hyprlock
+  # Security — required for hyprlock
   security.pam.services.hyprlock = {};
 
   # Polkit for GUI auth prompts
@@ -28,21 +28,33 @@
     };
   };
 
-  # Display manager - SDDM
-  services.displayManager.sddm = {
+  # Display manager — greetd (minimal, Wayland-native)
+  services.greetd = {
     enable = true;
-    wayland.enable = true;
-    theme = "catppuccin";
-    # package is already in system via services.displayManager.sddm.enable
     settings = {
-      Theme = {
-        Font = "JetBrainsMono Nerd Font";
-        CursorTheme = "Bibata-Modern-Classic";
+      default_session = {
+        command = "${pkgs.tuigreet}/bin/tuigreet --time --remember --cmd Hyprland";
+        user = "greeter";
       };
     };
   };
 
-  services.displayManager.defaultSession = "hyprland";
+  # Clear TTY before greetd starts to avoid boot message overlap
+  systemd.services.greetd.serviceConfig = {
+    TTYVTDisallocate = true;
+    Type = "idle";
+  };
+
+  # Create greeter user for greetd
+  users.users.greeter = {
+    description = "Greeter";
+    group = "greeter";
+    isSystemUser = true;
+  };
+  users.groups.greeter = {};
+
+  # Suppress kernel boot messages on console
+  boot.consoleLogLevel = 0;
 
   # XDG portal for Wayland
   xdg.portal = {

modules/laptop.nix

@@ -6,7 +6,6 @@
   # === System Packages ===
   environment.systemPackages = with pkgs; [
     papirus-icon-theme
-    catppuccin-sddm
     # Core development tools
     qmd
     nodejs