refactor: split overloaded modules

modules/desktop/niri/settings.nix

@@ -0,0 +1,64 @@
+{
+  config,
+  lib,
+  pkgs,
+  inputs,
+  ...
+}: let
+  c = config.fireproof.theme.colors;
+in {
+  config = lib.mkIf config.fireproof.desktop.windowManager.enable {
+    fireproof.home-manager.programs.niri.settings = {
+      prefer-no-csd = true;
+      clipboard.disable-primary = true;
+      spawn-at-startup = [
+        {command = ["systemctl" "--user" "start" "hyprpaper"];}
+      ];
+      xwayland-satellite = {
+        enable = true;
+        path = lib.getExe inputs.niri.packages."${pkgs.stdenv.hostPlatform.system}".xwayland-satellite-unstable;
+      };
+      environment = {
+        NIXOS_OZONE_WL = "1";
+        GDK_BACKEND = "wayland";
+      };
+      layout = {
+        gaps = 10;
+        focus-ring.enable = false;
+        insert-hint.display.color = "#${c.accent}";
+        border = {
+          enable = true;
+          width = 2;
+          active.color = "#${c.accent}";
+          inactive.color = "#${c.ui}";
+        };
+        tab-indicator = {
+          hide-when-single-tab = true;
+          place-within-column = true;
+          gap = 2;
+          position = "top";
+          corner-radius = 8;
+        };
+      };
+      input = {
+        focus-follows-mouse = {
+          enable = true;
+          max-scroll-amount = "0%";
+        };
+        mouse.accel-profile = "flat";
+        keyboard.xkb.layout = "eu";
+      };
+      window-rules = [
+        {
+          clip-to-geometry = true;
+          geometry-corner-radius = {
+            top-left = 8.0;
+            top-right = 8.0;
+            bottom-left = 8.0;
+            bottom-right = 8.0;
+          };
+        }
+      ];
+    };
+  };
+}