feat: add explicit ROCm and Vulkan support for compilation

Co-authored-by: aider (openrouter/mistralai/devstral-2512:free) <aider@aider.chat>

hosts/aragon/hardware-configuration.nix

@@ -44,13 +44,18 @@
 
   environment.variables = {
     HSA_OVERRIDE_GFX_VERSION = "10.3.0";
-
   };
 
-  #hardware.opengl.extraPackages32 = with pkgs; [
-  #  driversi686Linux.amdvlk
-  #];
+  # Enable Vulkan support
+  hardware.opengl.enable = true;
+  hardware.opengl.driSupport32 = true;
+  hardware.opengl.extraPackages = with pkgs; [
+    vulkan-loader
+    vulkan-tools
+    vulkan-headers
+  ];
 
+  # Explicitly include ROCm packages for compilation
   environment.systemPackages = with pkgs; [
     lact
     rocmPackages.rocminfo
@@ -62,7 +67,16 @@
     rocmPackages.rocgdb
     rocmPackages.rocblas
     rocmPackages.rccl
+    rocmPackages.hipcc
+    rocmPackages.rocm-opencl-runtime
   ];
+
+  # Ensure ROCm is available in the environment for compilation
+  environment.sessionVariables = {
+    ROCM_PATH = "${pkgs.rocmPackages.rocm-core}/opt/rocm";
+    HIP_PATH = "${pkgs.rocmPackages.rocm-core}/opt/rocm/hip";
+  };
+
   systemd.packages = with pkgs; [ lact ];
   systemd.services.lactd.wantedBy = [ "multi-user.target" ];
 
@@ -88,14 +102,7 @@
     { device = "/dev/disk/by-uuid/c7cdfab4-2c92-42de-b951-ccc6fcd7b7d7"; }
   ];
 
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
   networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp10s0.useDHCP = lib.mkDefault true;
-  # networking.interfaces.wlp7s0.useDHCP = lib.mkDefault true;
-
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
 }