Fixed ollama

hosts/macos/modules.nix

@@ -4,6 +4,6 @@
 # Enpty file for future imports
   imports = [
     ../../modules/macos/ollama.nix
-    (import ../../modules/common/ai.nix { inherit pkgs; })
+    ../../modules/common/ai.nix
   ];
 }

hosts/nixos/configuration.nix

@@ -92,6 +92,7 @@
 	playerctl
 
 	# Nvidia packages
+	nvtopPackages.nvidia
 	# Video accel
 	libva
 	libva-utils

hosts/nixos/modules.nix

@@ -12,6 +12,6 @@
       ../../modules/nixos/gamming/steam.nix # For Steam/Proton/Lutris/MangoHUD/Heroic/Bottles
       ../../modules/common/spotify.nix # Spotify/Spicetify
       ../../modules/common/ssh.nix
-      (import ../../modules/common/ai.nix { inherit pkgs; })
+      ../../modules/common/ai.nix
     ];
 }

modules/common/ai.nix

@@ -1,14 +1,18 @@
-{ pkgs, ... }:
+{ pkgs, lib, config, ... }:
 
 let
-  # Détection simple du GPU pour choisir le package Ollama
+  
+  hasNvidiaGpu = config.hardware.nvidia.package or null != null;
+  
   gpu =
-    if builtins.hasAttr "nvidia" pkgs then
+    if hasNvidiaGpu then
       pkgs.ollama-cuda
     else if builtins.hasAttr "vulkan" pkgs then
       pkgs.ollama-vulkan
-    else if builtins.hasAttr "rocm" pkgs then
+    else if builtins.hasAttr "amd" pkgs then
       pkgs.ollama-rocm
+    else if pkgs.stdenv.isDarwin then
+      pkgs.ollama # Ollama uses Metal by default
     else
       pkgs.ollama; # CPU fallback
 in