添加全局错误处理机制，优化运行时错误日志记录，提升应用稳定性和错误追踪能力。

src/index.tsx

@@ -1,6 +1,8 @@
-import "dotenv/config";
 import React from "react";
 import { render } from "ink";
 import { App } from "./ui/App";
+import { setupGlobalErrorHandlers } from "./runtime-errors";
+
+setupGlobalErrorHandlers();
 
 render(<App />);