chore(locales): add onboarding operation type to analytics

locales/ai/en.json

@@ -8,6 +8,7 @@
   "analytics.no_data": "No usage data available for the selected period",
   "analytics.no_history": "No usage history available",
   "analytics.operation_types.chat": "Chat",
+  "analytics.operation_types.onboarding": "Onboarding",
   "analytics.operation_types.task": "Task",
   "analytics.operation_types.title_generation": "Title Generation",
   "analytics.patterns_placeholder": "Pattern analysis will show peak usage times and habits",

locales/ai/ja.json

@@ -8,6 +8,7 @@
   "analytics.no_data": "選択した期間に利用可能な使用データがありません",
   "analytics.no_history": "利用可能な使用履歴がありません",
   "analytics.operation_types.chat": "チャット",
+  "analytics.operation_types.onboarding": "オンボーディング",
   "analytics.operation_types.task": "タスク",
   "analytics.operation_types.title_generation": "タイトル生成",
   "analytics.patterns_placeholder": "パターン分析はピーク使用時間と習慣を表示します",

locales/ai/zh-CN.json

@@ -8,6 +8,7 @@
   "analytics.no_data": "所选期间没有可用的使用数据",
   "analytics.no_history": "没有可用的使用历史",
   "analytics.operation_types.chat": "聊天",
+  "analytics.operation_types.onboarding": "入门",
   "analytics.operation_types.task": "任务",
   "analytics.operation_types.title_generation": "标题生成",
   "analytics.patterns_placeholder": "模式分析将显示高峰使用时间和习惯",