[Feature Request]: 消息归档 | Message Archive

[Reekin]

Problem Description

在一场对话中经常会产生大量分支话题（比如一些执行过程中的细节问题），这些对话内容不需要作为历史消息发出去（浪费token & 影响记忆），但仍会有查看的需求。

Solution Description

提供一个能够批量将若干条消息标记为归档的操作，这些消息仍出现在聊天记录中，但不会作为历史消息被发出；
提供一个视图选项：隐藏归档消息，以便于更清晰地查看对话主干；

Alternatives Considered

No response

Additional Context

#4301
本issue与这一条是两个不同的需求

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

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Title: [Feature Request]: Message archiving

Problem Description

A large number of branch topics (such as some details in the execution process) are often generated in a conversation. These conversation contents do not need to be sent as historical messages (wasting tokens & affecting memory), but there is still a need to view them.

Solution Description

Provides an operation that can batch mark several messages as archived. These messages will still appear in the chat history, but will not be sent as historical messages;
Provides a view option to hide archived messages for a clearer view of the conversation trunk;

Alternatives Considered

No response

Additional Context

#4301
This issue and this one have two different requirements

[fred-bf]

Due to the complexity of the implementation and the conflict with the current interaction mode, it will not be placed in the roadmap for the time being