feat(i18n): Enhance internationalization support for tool specifications and notifications

- Added TitleKey and DescriptionKey fields to ToolSpec for dynamic localization.
- Updated tool specifications to use i18nx for titles, descriptions, and appendices.
- Refactored notification messages to utilize i18nx for localization in conversation and ticket assignment events.
- Improved localization in the debug dialog component for skill definitions.
- Added new translation keys in English and Chinese for ticket and conversation assignment notifications.
- Ensured that fallback messages are properly localized based on user locale.

web/messages/zh-CN.json

@@ -53,7 +53,15 @@
     "markAllReadFailed": "全部已读失败",
     "fallbackTitle": "通知",
     "loading": "正在加载通知",
-    "empty": "暂无通知"
+    "empty": "暂无通知",
+    "ticketAssignedTitle": "工单指派提醒",
+    "ticketAssignedLine": "工单 {ticketNo} 已指派给你",
+    "assignmentReason": "指派原因: {reason}",
+    "conversationTransferredTitle": "会话转接提醒",
+    "conversationAutoAssignedTitle": "会话自动分配提醒",
+    "conversationAssignedTitle": "会话分配提醒",
+    "conversationAssignedLine": "会话 #{conversationId} 已分配给你",
+    "transferReason": "转接原因: {reason}"
   },
   "json": {
     "invalid": "JSON 格式不合法",
@@ -1644,6 +1652,13 @@
     "agentRequired": "请选择 AI Agent",
     "messageRequired": "请输入用户消息",
     "emptyData": "暂无数据",
+    "skillRouteTrace": "Skill 路由追踪",
+    "toolSearchTrace": "工具搜索追踪",
+    "graphToolTrace": "Graph 工具追踪",
+    "traceData": "追踪数据",
+    "resumeToolSearchTrace": "恢复工具搜索追踪",
+    "resumeGraphToolTrace": "恢复 Graph 工具追踪",
+    "resumeTraceData": "恢复追踪数据",
     "confirm": "确认",
     "reject": "取消",
     "debugFailed": "Skill 调试失败",