SDDM disabled, Hyprland kept (manual start only)

- Removed SDDM display manager (was blocking boot when display fails)
- Kept Hyprland installed for manual start (hyprland command)
- Display modules load in stage-2 via boot.kernelModules (Rex timing)

hosts/uConsole/configuration.nix

@@ -215,16 +215,19 @@ in
   # For TCP interfaces, open additional ports as needed.
 
   # ============================================================
-  # Display & Desktop (Hyprland Wayland compositor)
+  # Hyprland Wayland compositor (manual start)
+  # No SDDM — boot to console, user starts Hyprland with command
+  # Display modules (vc4/panel_cwu50) load late after RP1 PCIe init
   # ============================================================
   programs.hyprland = {
     enable = true;
     xwayland.enable = true;
   };
-  services.displayManager.sddm = {
-    enable = true;
-    wayland.enable = true;
-  };
+  # SDDM disabled — was blocking boot when display isn't ready
+  # services.displayManager.sddm = {
+  #   enable = true;
+  #   wayland.enable = true;
+  # };
 
   # ============================================================
   # CM5 Config.txt Fix: use [pi5] section (not [cm5])