Merge: Restore root-level structure + add skills/docs/codebases

- Restored original root-level src/, package.json, etc.
- Added skills/ directory with Claude Code skills
- Added original-docs/ with source documentation
- Added codebases/z-ai-tooling/ as reference codebase
- Updated README.md with complete documentation

Total: Combined 82 original files + new skills structure

codebases/z-ai-tooling/next.config.ts

@@ -0,0 +1,12 @@
+import type { NextConfig } from "next";
+
+const nextConfig: NextConfig = {
+  output: "standalone",
+  /* config options here */
+  typescript: {
+    ignoreBuildErrors: true,
+  },
+  reactStrictMode: false,
+};
+
+export default nextConfig;