fix(canvas): 本地 Codex 会话 - 修复新会话首次发送失败 (#24)

canvas-agent/package.json

@@ -13,6 +13,7 @@
   ],
   "scripts": {
     "dev": "tsx src/index.ts",
+    "test": "tsx --test test/*.test.ts",
     "build": "tsc -p tsconfig.json",
     "start": "node dist/index.js",
     "prepack": "npm run build"