### Affected area Conversations / streaming ### Problem or use case 需要导出对话为json的功能，方便用户备份聊天记录。 ### Proposed behavior - ### Alternatives considered _No response_ ### Compatibility, deployment, or migration impact _No response_ ### Documentation or API contract impact _No response_ ### Pre-submit checklist - [x] I searched existing issues and pull requests. - [x] This request is focused on one feature or improvement. - [x] I described user-facing, API, configuration, or deployment impact where relevant.
Affected area
Conversations / streaming
Problem or use case
需要导出对话为json的功能，方便用户备份聊天记录。
Proposed behavior
Alternatives considered
No response
Compatibility, deployment, or migration impact
No response
Documentation or API contract impact
No response
Pre-submit checklist