chore(nix): bump nixpkgs 24.05 → 24.11

Three breakages handled:

- hardware.opengl → hardware.graphics (renamed in 24.11). Touches
  upboard.nix, douro.nix, batm3.nix, live.nix.
- vaapiIntel dropped — legacy pre-Broadwell driver, removed in
  nixpkgs. UP Board (Cherry Trail) and OptiPlex 9030 (Haswell) both
  use intel-media-driver, which stays.
- vaapiVdpau renamed → libva-vdpau-driver.

system.stateVersion stays 24.05 — convention is to never bump after
install. Existing Sintra and fresh flashes keep the 24.05 state
semantics; that's correct.

All 8 nixosConfigurations (4 models × {live,installed}) evaluate
clean with zero deprecation warnings on 24.11.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

deploy/nixos/README.md

@@ -9,7 +9,7 @@ NixOS module + tooling for deploying bitSpire to ATM hardware (Sintra, tejo, dou
 ```
 deploy/nixos/
 ├── bitspire-atm.nix        # NixOS module: services.bitspire option tree + systemd unit + udev rules
-├── configuration.nix       # Base system (NixOS 24.05, locale, kernel, packages, bitspire user)
+├── configuration.nix       # Base system (NixOS 24.11, locale, kernel, packages, bitspire user)
 ├── live.nix                # Live USB variant (squashfs + tmpfs root) — used by mkLiveConfig
 ├── hardware/
 │   ├── douro.nix           # Dell OptiPlex 9030 AIO (stock Douro motherboard; SATA SSD, eGalax touch)

deploy/nixos/flash-douro-usb.sh

@@ -109,12 +109,12 @@ fi
 
 # Step 2: Format as FAT32
 # FAT32 volume labels are max 11 chars, so we use a short label.
-# The kernel finds root by LABEL=nixos-24.05-x86_64 which is on the ISO9660.
+# The kernel finds root by LABEL=nixos-24.11-x86_64 which is on the ISO9660.
 # But since we're extracting the ISO, we set the label on the FAT32 partition.
 # NixOS initrd also searches by /nix-store.squashfs file presence.
 echo ""
 echo "--- Step 2: Formatting FAT32 ---"
-mkfs.fat -F32 -n 'NIXOS2405' "$PART_DEV"
+mkfs.fat -F32 -n 'NIXOS2411' "$PART_DEV"
 echo "OK: FAT32 formatted"
 
 # Step 3: Mount ISO and USB partition

deploy/nixos/hardware/batm3.nix

@@ -42,12 +42,11 @@
   };
 
   hardware = {
-    opengl = {
+    graphics = {
       enable = true;
       extraPackages = with pkgs; [
         intel-media-driver
-        vaapiIntel
-        vaapiVdpau
+        libva-vdpau-driver
         libvdpau-va-gl
       ];
     };

deploy/nixos/hardware/douro.nix

@@ -52,14 +52,12 @@
     fsType = "vfat";
   };
 
-  # NixOS 24.05 uses hardware.opengl (not hardware.graphics)
   hardware = {
-    opengl = {
+    graphics = {
       enable = true;
       extraPackages = with pkgs; [
         intel-media-driver
-        vaapiIntel
-        vaapiVdpau
+        libva-vdpau-driver
         libvdpau-va-gl
       ];
     };

deploy/nixos/hardware/upboard.nix

@@ -78,14 +78,12 @@
     fsType = "vfat";
   };
 
-  # NixOS 24.05 uses hardware.opengl (not hardware.graphics)
   hardware = {
-    opengl = {
+    graphics = {
       enable = true;
       extraPackages = with pkgs; [
         intel-media-driver
-        vaapiIntel
-        vaapiVdpau
+        libva-vdpau-driver
         libvdpau-va-gl
       ];
     };

deploy/nixos/live.nix

@@ -109,14 +109,12 @@ in
   };
 
   # Intel GPU support
-  # NB: nixos-24.05 uses hardware.opengl, not hardware.graphics
   hardware = {
-    opengl = {
+    graphics = {
       enable = true;
       extraPackages = with pkgs; [
         intel-media-driver
-        vaapiIntel
-        vaapiVdpau
+        libva-vdpau-driver
         libvdpau-va-gl
       ];
     };