fix(client): simply ssh-agent config and fix for wsl

configs/client.nix

@@ -1,19 +1,23 @@
-{ pkgs, ... }:
+{ pkgs, config, ... }:
 {
   imports = [
     ./common.nix
 
     ../programs/neovim
     ../programs/rust.nix
-    ../programs/ssh-agent.nix
   ];
 
-  environment.systemPackages = with pkgs; [
-    ffmpeg-full
-    fastfetch
-    lazygit
-    nixd
-  ];
+  environment = {
+    systemPackages = with pkgs; [
+      ffmpeg-full
+      fastfetch
+      lazygit
+      nixd
+    ];
+
+    # fix for wsl, `prefer` does not work if your SSH_ASKPASS is empty/unset
+    variables.SSH_ASKPASS_REQUIRE = if config.programs.ssh.enableAskPassword then "prefer" else "never";
+  };
 
   networking = {
     useNetworkd = false;
@@ -24,7 +28,10 @@
     };
   };
 
-  programs.nix-ld.enable = true;
+  programs = {
+    nix-ld.enable = true;
+    ssh.startAgent = true;
+  };
 
   virtualisation.docker.enable = true;
 }