feat(小宝): 优化助手入口与预警已读

关键改动：

- 更新 README 项目说明和小宝相关入口命名

- 优化问翻小宝页面与侧边栏测试

- 小宝预警已读状态抑制同签名重复 AI 请求

Co-Authored-By: Codex GPT-5 <codex@openai.com>

apps/web/lib/wenfan-xiaobao-ui.test.ts

@@ -3,15 +3,17 @@ import assert from 'node:assert/strict';
 import { existsSync, readFileSync } from 'node:fs';
 import { join } from 'node:path';
 
-test('sidebar links wenfan xiaobao as an independent entry before xiaobao warning', () => {
+test('sidebar labels AI assistant before smart warning', () => {
   const sidebar = readFileSync(join(process.cwd(), 'components/layout/Sidebar.tsx'), 'utf8');
 
-  const askIndex = sidebar.indexOf("label: '问翻小宝'");
-  const warningIndex = sidebar.indexOf("label: '小宝预警'");
+  const askIndex = sidebar.indexOf("label: 'AI 助手'");
+  const warningIndex = sidebar.indexOf("label: '智能预警'");
 
   assert.notEqual(askIndex, -1);
   assert.notEqual(warningIndex, -1);
   assert.ok(askIndex < warningIndex);
+  assert.doesNotMatch(sidebar, /label: '问翻小宝'/);
+  assert.doesNotMatch(sidebar, /label: '小宝预警'/);
   assert.match(sidebar, /path: '\/wenfan-xiaobao'/);
 });
 
@@ -36,6 +38,7 @@ test('wenfan xiaobao page provides records, chat, and voice input surfaces', ()
   assert.match(page, /deleteWenfanConversationRecord/);
   assert.match(page, /删除历史记录/);
   assert.doesNotMatch(page, /setHistory\(\(current\) => \[question/);
+  assert.doesNotMatch(page, /<p className="mb-1 text-\[13px\] font-semibold text-\[#171717\]">问翻小宝<\/p>/);
   assert.match(page, /入口路径/);
   assert.match(page, /必填字段/);
   assert.match(page, /状态流转/);