Update audio.nix

settings/audio.nix

@@ -9,6 +9,35 @@
     alsa.enable = true;
     alsa.support32Bit = true;
     pulse.enable = true;
-    jack.enable = true;  # Added for compatibility with more audio applications
+    jack.enable = true;
+    
+    # Enable audio monitoring for game capture
+    extraConfig.pipewire."92-low-latency" = {
+      context.properties = {
+        default.clock.rate = 48000;
+        default.clock.quantum = 1024;
+        default.clock.min-quantum = 512;
+        default.clock.max-quantum = 2048;
+      };
+    };
   };
+  
+  # Allow capturing audio from all applications
+  environment.etc."pipewire/pipewire.conf.d/99-steam-monitor.conf".text = ''
+    context.modules = [
+      { name = libpipewire-module-loopback
+        args = {
+          node.description = "Steam Audio Monitor"
+          capture.props = {
+            media.class = "Audio/Sink"
+            audio.position = [ FL FR ]
+          }
+          playback.props = {
+            media.class = "Audio/Source"
+            audio.position = [ FL FR ]
+          }
+        }
+      }
+    ]
+  '';
 }