i18n: 翻译集成设置页面应用卡片描述

集成卡片名称和描述存储在 integration_apps 表中(来自 migration 030)，
此前为英文。新增 migration 059 翻译为中文：
- Dashboard Apps → 仪表板应用
- OpenAI/Dialogflow/Google Translate/Dyte/LeadSquared/Slack/
  Shopify/Linear/Notion/Webhook 的描述全部翻译

品牌名(OpenAI/Dialogflow/Dyte/Slack/Shopify/Linear/Notion/Webhook)保留英文。

backend/migrations/000059_translate_integration_apps.down.sql

@@ -0,0 +1,20 @@
+-- Revert integration app names and descriptions back to English
+UPDATE integration_apps SET
+  name = CASE
+    WHEN name = '仪表板应用' THEN 'Dashboard Apps'
+    ELSE name
+  END,
+  description = CASE
+    WHEN name = 'Dashboard Apps' THEN 'Embed custom dashboard apps in the conversation sidebar'
+    WHEN name = 'OpenAI' THEN 'Connect OpenAI for label suggestions and AI-assisted workflows'
+    WHEN name = 'Dialogflow' THEN 'Connect Dialogflow agents to inboxes'
+    WHEN name = 'Google Translate' THEN 'Connect Google Translate for message translation'
+    WHEN name = 'Dyte' THEN 'Connect Dyte for video meetings'
+    WHEN name = 'LeadSquared' THEN 'Connect LeadSquared CRM activity sync'
+    WHEN name = 'Slack' THEN 'Connect Slack channels for real-time notifications'
+    WHEN name = 'Shopify' THEN 'Sync Shopify orders and customer data'
+    WHEN name = 'Linear' THEN 'Create Linear issues from conversations'
+    WHEN name = 'Notion' THEN 'Export conversation summaries to Notion pages'
+    WHEN name = 'Webhook' THEN 'Custom webhook for event-driven integrations'
+    ELSE description
+  END;

backend/migrations/000059_translate_integration_apps.up.sql

@@ -0,0 +1,20 @@
+-- Translate integration app names and descriptions to Chinese
+UPDATE integration_apps SET
+  name = CASE
+    WHEN name = 'Dashboard Apps' THEN '仪表板应用'
+    ELSE name
+  END,
+  description = CASE
+    WHEN name = 'Dashboard Apps' THEN '在对话侧边栏中嵌入自定义仪表板应用'
+    WHEN name = 'OpenAI' THEN '连接 OpenAI 以获取标签建议和 AI 辅助工作流'
+    WHEN name = 'Dialogflow' THEN '将 Dialogflow 代理连接到收件箱'
+    WHEN name = 'Google Translate' THEN '连接 Google 翻译以进行消息翻译'
+    WHEN name = 'Dyte' THEN '连接 Dyte 进行视频会议'
+    WHEN name = 'LeadSquared' THEN '连接 LeadSquared CRM 活动同步'
+    WHEN name = 'Slack' THEN '连接 Slack 频道以获取实时通知'
+    WHEN name = 'Shopify' THEN '同步 Shopify 订单和客户数据'
+    WHEN name = 'Linear' THEN '从对话中创建 Linear 问题'
+    WHEN name = 'Notion' THEN '将会话摘要导出到 Notion 页面'
+    WHEN name = 'Webhook' THEN '用于事件驱动集成的自定义 Webhook'
+    ELSE description
+  END;