Add EasyEffects module and enable it across hosts

Add new home module for EasyEffects and include it in the default home
modules
list. Enable EasyEffects in Desktop, Laptop, and default host
configurations.
Update flake.lock entries to newer revisions. Adjust Garand‑Laptop
hardware.nix to nest hardware settings.

modules/home/default.nix

@@ -15,6 +15,7 @@ _: {
     ./bat.nix
     ./btop.nix
     ./cava.nix
+    ./easyeffects.nix
     ./emoji.nix
     ./eza.nix
     ./fzf.nix

modules/home/easyeffects.nix

@@ -0,0 +1,95 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: {
+  options.easyeffects.enable = lib.mkEnableOption "Easy Effects";
+
+  config.services.easyeffects = lib.mkIf config.easyeffects.enable {
+    enable = true;
+    package = pkgs.easyeffects;
+
+    preset = "Default";
+    extraPresets."Default".input = {
+      blocklist = [];
+      "deepfilternet#0" = {
+        attenuation-limit = 100.0;
+        bypass = false;
+        input-gain = 0.0;
+        max-df-processing-threshol = 20.0;
+        max-erb-processing-threshold = 30.0;
+        min-processing-buffer = 0;
+        min-processing-threshold = -10.0;
+        output-gain = 0.0;
+        post-filter-beta = 0.019999999552965164;
+      };
+      "exciter#0" = {
+        amount = 0.0;
+        blend = 0.0;
+        bypass = false;
+        ceil = 16000.0;
+        ceil-active = false;
+        harmonics = 8.5;
+        input-gain = 0.0;
+        output-gain = 0.0;
+        scope = 7500.0;
+      };
+      plugins_order = [
+        "rnnoise#0"
+        "deepfilternet#0"
+        "speex#0"
+        "exciter#0"
+        "stereo_tools#0"
+      ];
+      "rnnoise#0" = {
+        bypass = false;
+        enable-vad = true;
+        input-gain = 5.0;
+        model-name = "\"\"";
+        output-gain = -5.0;
+        release = 20.0;
+        use-standard-model = true;
+        vad-thres = 50.0;
+        wet = 0.0;
+      };
+      "speex#0" = {
+        bypass = true;
+        enable-agc = true;
+        enable-denoise = true;
+        enable-dereverb = true;
+        input-gain = 0.0;
+        noise-suppression = -70;
+        output-gain = 0.0;
+        vad = {
+          enable = true;
+          probability-continue = 90;
+          probability-start = 95;
+        };
+      };
+      "stereo_tools#0" = {
+        balance-in = 0.0;
+        balance-out = 0.0;
+        bypass = false;
+        delay = 0.0;
+        dry = -100.0;
+        input-gain = 0.0;
+        middle-level = 0.0;
+        middle-panorama = 0.0;
+        mode = "LR > L+R (Mono Sum L+R)";
+        mutel = false;
+        muter = false;
+        output-gain = 0.0;
+        phasel = false;
+        phaser = false;
+        sc-level = 1.0;
+        side-balance = 0.0;
+        side-level = 0.0;
+        softclip = true;
+        stereo-base = 0.0;
+        stereo-phase = 0.0;
+        wet = 0.0;
+      };
+    };
+  };
+}

modules/home/noctalia/plugins.nix

@@ -61,7 +61,7 @@ in {
         colorRange = "full";
         showCursor = true;
         copyToClipboard = false;
-        audioSource = "default_output";
+        audioSource = "both";
         videoSource = "portal";
         resolution = "1920x1080";
         replayEnabled = true;

modules/home/noctalia/settings/bar/widgets/right.nix

@@ -4,6 +4,7 @@
       id = "Tray";
       blacklist = [
         "nm-applet"
+        "Easy Effects"
       ];
       colorizeIcons = false;
       drawerEnabled = false;
@@ -58,7 +59,7 @@
         colorRange = "full";
         showCursor = true;
         copyToClipboard = false;
-        audioSource = "default_output";
+        audioSource = "both";
         videoSource = "portal";
         resolution = "1920x1080";
         replayEnabled = true;