fix: 添加 React Error Boundary 防止生产环境渲染崩溃

增强 SentryErrorBoundary 组件，捕获渲染错误时输出诊断信息
（错误消息 + component stack）到 stderr 和终端，而非静默返回
null。在 replLauncher 根节点和 Messages 组件层级包裹 Error
Boundary，防止 Ink 内部的 Error Boundary 直接终止进程。

Co-Authored-By: glm-5-turbo <zai-org@claude-code-best.win>

src/components/Messages.tsx

@@ -1,5 +1,6 @@
 import { feature } from 'bun:bundle';
 import chalk from 'chalk';
+import { SentryErrorBoundary } from './SentryErrorBoundary.js';
 import type { UUID } from 'crypto';
 import type { RefObject } from 'react';
 import * as React from 'react';
@@ -890,7 +891,7 @@ const MessagesImpl = ({
   );
 
   return (
-    <>
+    <SentryErrorBoundary name="MessagesBoundary">
       {/* Logo */}
       {!hideLogo && !(renderRange && renderRange[0] > 0) && <LogoHeader agentDefinitions={agentDefinitions} />}
 
@@ -977,7 +978,7 @@ const MessagesImpl = ({
           />
         </Box>
       )}
-    </>
+    </SentryErrorBoundary>
   );
 };