feat: 添加 Analytics 分析功能（行为追踪、错误码、协议更新）

docs/protocols/models/inbox-messages.md

@@ -60,7 +60,7 @@ Base URL: `/api/v1/inbox/messages`
     "phone": "string | null"
   },
   "summary": "string",
-  "permission": "int (1=view, 4=edit, 8=invite)",
+  "permission": "int (1=view, 2=invite, 4=edit, 8=delete, 15=owner)",
   "action": "pending"
 }
 ```
@@ -141,7 +141,6 @@ Base URL: `/api/v1/inbox/messages`
   "message_type": "InboxMessageType",
   "schedule_item_id": "uuid | null",
   "friendship_id": "uuid | null",
-  "group_id": "uuid | null",
   "content": "CalendarInviteContent | CalendarUpdateContent | CalendarDeleteContent | FriendshipContent | null",
   "is_read": "boolean",
   "status": "InboxMessageStatus",