Initial commit: demo todo CLI with Claude Code setup

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

package.json

@@ -0,0 +1,13 @@
+{
+  "name": "claude-playground",
+  "version": "0.1.0",
+  "description": "A tiny todo CLI used as a sandbox for trying Claude Code features",
+  "type": "module",
+  "bin": { "todo": "./src/cli.js" },
+  "scripts": {
+    "start": "node src/cli.js",
+    "test": "node --test"
+  },
+  "engines": { "node": ">=20" },
+  "license": "MIT"
+}