Fix react-doctor: add postPatch to generate package-lock.json

pkgs/react-doctor.nix

@@ -6,13 +6,17 @@ buildNpmPackage rec {
   src = fetchFromGitHub {
     owner = "millionco";
     repo = "react-doctor";
-    rev = "v${version}";
+    rev = "0.0.1";
     hash = "sha256-T8szJcXeqIWmZQU/D4KpeFU1ZXilThL5JBmw2Y0hZkw=";
   };
   
   npmDepsHash = lib.fakeHash;
   
-  npmBuild = "build";
+  # CRITICAL: Generate package-lock.json during build
+  postPatch = ''
+    cd $sourceRoot
+    npm install --package-lock-only --no-audit --progress=false
+  '';
   
   meta = with lib; {
     description = "Let coding agents diagnose and fix your React code";