chore: improve code formatting and configuration across multiple files

The diff shows comprehensive code cleanup and formatting improvements across 18 files, including cleaner argument structures, additional package configurations, and improved formatting in the `home/terminal/software/git.nix` hook script.

work/cisco.nix

@@ -1,5 +1,9 @@
-{ config, lib, pkgs, self, ... }:
-
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 # Cisco Secure Client (proprietary VPN client, successor to AnyConnect)
 #
 # Package: pkgs/cisco-secure-client — fetches the Linux pre-deployment .tgz
@@ -11,14 +15,15 @@
 #   });
 #
 # Reference: https://github.com/NixOS/nixpkgs/issues/265443
-
 let
   cfg = config.work.cisco;
 in {
   options.work.cisco = {
-    enable = lib.mkEnableOption "Cisco Secure Client" // {
-      default = false;
-    };
+    enable =
+      lib.mkEnableOption "Cisco Secure Client"
+      // {
+        default = false;
+      };
 
     package = lib.mkOption {
       description = "cisco-secure-client package to use";
@@ -41,14 +46,14 @@ in {
     ];
 
     # Load the tun module required by the VPN client
-    boot.kernelModules = [ "tun" ];
+    boot.kernelModules = ["tun"];
 
     systemd.services.cisco-vpnagentd = {
       description = "Cisco Secure Client VPN Agent Daemon";
       # vpnagentd daemonizes itself; tracked via PID file.
-      after = [ "network-online.target" "NetworkManager.service" ];
-      wants = [ "network-online.target" ];
-      wantedBy = [ "multi-user.target" ];
+      after = ["network-online.target" "NetworkManager.service"];
+      wants = ["network-online.target"];
+      wantedBy = ["multi-user.target"];
 
       serviceConfig = {
         Type = "forking";
@@ -81,7 +86,7 @@ in {
           "CAP_CHOWN"
           "CAP_FOWNER"
         ];
-        DeviceAllow = [ "/dev/net/tun rw" ];
+        DeviceAllow = ["/dev/net/tun rw"];
         PrivateTmp = true;
         ProtectSystem = "full";
         ProtectHome = false;