Refactor code structure for improved readability and maintainability

package.json

@@ -42,7 +42,9 @@
     "publish:npm": "node scripts/publish.js",
     "dev": "bun run src/bin/cli.ts",
     "prepublishOnly": "npm run build",
-    "test": "bun test tests/"
+    "test": "bun test tests/",
+    "test:context": "echo '{\"session_id\":\"test-'$(date +%s)'\",\"cwd\":\"'$(pwd)'\",\"source\":\"startup\"}' | bun scripts/hooks/context-hook.js 2>/dev/null",
+    "test:context:verbose": "echo '{\"session_id\":\"test-'$(date +%s)'\",\"cwd\":\"'$(pwd)'\",\"source\":\"startup\"}' | bun scripts/hooks/context-hook.js"
   },
   "dependencies": {
     "@anthropic-ai/claude-agent-sdk": "^0.1.0",