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/components.json

@@ -0,0 +1,21 @@
+{
+  "$schema": "https://ui.shadcn.com/schema.json",
+  "style": "new-york",
+  "rsc": true,
+  "tsx": true,
+  "tailwind": {
+    "config": "",
+    "css": "src/app/globals.css",
+    "baseColor": "neutral",
+    "cssVariables": true,
+    "prefix": ""
+  },
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/lib/utils",
+    "ui": "@/components/ui",
+    "lib": "@/lib",
+    "hooks": "@/hooks"
+  },
+  "iconLibrary": "lucide"
+}