fix: 修复后端代码违规并更新协议文档

- 修复 notifications 模块 datetime.now() 缺少时区问题
- 用 ApiProblemError 替换 BaseService 中的 HTTPException
- 更新协议文档：添加错误码、繁体字段、邀请相关协议
- 升级 Docker 镜像版本

docs/protocols/profile/profile-protocol.md

@@ -109,6 +109,11 @@ Request:
     "notification": {
       "allow_notifications": true,
       "allow_vibration": true
+    },
+    "divination_tutorial": {
+      "divination_entry_shown": false,
+      "auto_divination_shown": false,
+      "manual_divination_shown": false
     }
   }
 }
@@ -118,6 +123,7 @@ Rules:
 
 - `settings` must conform to `ProfileSettingsV1`.
 - Additional fields are forbidden.
+- `divination_tutorial` tracks user's tutorial completion state for divination flows.
 
 Response: