programs.vscode was invented too recently

configuration.nix

@@ -277,6 +277,14 @@ in
         '';
       })
 
+      (vscode-with-extensions.override {
+        vscodeExtensions = with vscode-extensions; [
+          "ms-vscode.cpptools-extension-pack"
+          "zainchen.json"
+          "ms-dotnettools.csharp"
+        ];
+      })
+
         # POSIX утилиты для совместимости
         om4
         pax
@@ -293,15 +301,6 @@ in
       ];
   };
 
-  programs.vscode = {
-    enable = true;
-    extenstions = with pkgs.vscode-extensions; [
-      ms-vscode.cpptools-extension-pack
-      zainchen.json
-    ];
-    defaultEditor = true;
-  };
-
   # вставленные флешки автоматически монтируются
   services.devmon.enable = true;