added daw

desktop/daw.nix

@@ -0,0 +1,35 @@
+{ config, pkgs, ... }:
+
+{
+  # Enable PipeWire (with JACK support for low-latency audio)
+  services.pipewire = {
+    enable = true;
+    audio.enable = true;
+    pulse.enable = true;
+    jack.enable = true;
+    alsa.enable = true;
+  };
+
+  # Real-time permissions for better audio performance
+  security.pam.loginLimits = [
+    { domain = "@audio"; type = "soft"; item = "rtprio"; value = "95"; }
+    { domain = "@audio"; type = "hard"; item = "rtprio"; value = "95"; }
+    { domain = "@audio"; type = "soft"; item = "memlock"; value = "unlimited"; }
+    { domain = "@audio"; type = "hard"; item = "memlock"; value = "unlimited"; }
+  ];
+
+  users.groups.audio = {};
+
+  environment.systemPackages = with pkgs; [
+    bitwig-studio
+    helvum      # easy audio patchbay
+    carla       # host extra plugins, VST bridge
+    lsp-plugins # free high-quality effects
+    dragonfly-reverb
+    surge-xt    # free wavetable synth
+    vital       # free version if you want
+  ];
+
+  # Optional: low-latency kernel (for extreme cases)
+  # boot.kernelPackages = pkgs.linuxPackages_lowlatency;
+}