add radish-vm for testing

home/modules/zed/default.nix

@@ -187,7 +187,7 @@ in
         };
         edit_predictions = {
           enabled = true;
-          mode = "subtle";
+          mode = "eager";
           provider = "zed";
         };
         buffer_font_family = "Iosevka Nerd Font";
@@ -200,6 +200,11 @@ in
             "tsconfig.*.json"
           ];
         };
+        context_servers = {
+          browser-tools-context-server = {
+            npx_command = "${pkgs.nodejs}/bin/npx";
+          };
+        };
       };
       userKeymaps = [
         {