i18n: 翻译 Captain > Scenarios 模块中文文案

- zh_CN/integrations.json: SCENARIOS 块全部 30+ 条 i18n key 翻译为中文
  (标题、描述、批量操作、表单标签/占位符/校验、空状态、API 消息等)
- zh_CN/settings.json: 侧边栏 CAPTAIN_SCENARIOS 标签 Scenarios → 场景
- scenarios/Index.vue: 硬编码示例场景数据(标题/描述/指令)翻译为中文

frontend/app/javascript/dashboard/routes/dashboard/captain/assistants/scenarios/Index.vue

@@ -43,11 +43,10 @@ const renderInstruction = instruction => () =>
 const scenariosExample = [
   {
     id: 1,
-    title: 'Prospective Buyer',
-    description:
-      'Handle customers who are showing interest in purchasing a license',
+    title: '潜在买家',
+    description: '处理对购买许可证感兴趣的潜在客户',
     instruction:
-      'If someone is interested in purchasing a license, ask them for following:\n\n1. How many licenses are they willing to purchase?\n2. Are they migrating from another platform?\n. Once these details are collected, do the following steps\n1. add a private note to with the information you collected using [Add Private Note](tool://add_private_note)\n2. Add label "sales" to the contact using [Add Label to Conversation](tool://add_label_to_conversation)\n3. Reply saying "one of us will reach out soon" and provide an estimated timeline for the response and [Handoff to Human](tool://handoff)',
+      '如果有人有兴趣购买许可证，请询问以下信息：\n\n1. 他们打算购买多少个许可证？\n2. 他们是否从其他平台迁移过来？\n收集完这些信息后，请执行以下步骤：\n1. 使用[添加私信](tool://add_private_note)将收集到的信息添加为私信\n2. 使用[为会话添加标签](tool://add_label_to_conversation)为联系人添加"sales"标签\n3. 回复"我们会尽快与您联系"，并提供预计的响应时间，然后[转接人工](tool://handoff)',
     tools: ['add_private_note', 'add_label_to_conversation', 'handoff'],
   },
 ];