PyCharm extension - chat export

What version of the IDE extension are you using?

JetBrains AI Assistant 253.31033.157

What subscription do you have?

Plus

Which IDE are you using?

PyCharm 2025.3.3

What platform is your computer?

Linux 6.19.3-1-default x86_64 x86_64

What issue are you seeing?

When exporting a chat via the "Dump chat" menu option, the chat export only contains my questions.
Instead of the bot replies, only the "kotlin.unit" string is exported.

E.g.:

Chat 'ChatTitle(text="Please examine the…" with Codex, isCustom=true)' (61288874-3068-4ed1-9b1e-b358cd966bfa)
Context:

Messages: 266
=============================================================================================================

==== RestoredMessage #1 ====
User: 
Please examine the code of this project. Then, I'll have a few questions for you.

kotlin.Unit

==== RestoredMessage #2 ====
Assistant: 


kotlin.Unit

==== RestoredMessage #3 ====
(...)

What steps can reproduce the bug?

1. Chat with the chatbot until you have a few questions and replies
2. Open the hamburger menu of the chat pane
3. Select 'Dump chat'
4. Save the chat on disk
5. Examine the file contents and confirm the the chatbot replies are replaced with the "kotlin.unit" string

What is the expected behavior?

The chat file should contain both my questions and the chatbot answers.

Additional information

_No response_