How to reproduce:

1. Create a new project
2. Open the AI Assistant window
3. Observe the window and Console

Actual result: AI Assistant chat is unavailable and errors appear in the Console ("Unable to connect to the remote server")
Expected result: AI Assistant chat is available and no errors appear in the Console

Reproducible with: 2.7.0-pre.3 (6000.4.6f1), 2.9.0-pre.1 (6000.4.7f1)

Reproducible on: Windows 10
Not reproducible on: No other environments tested

Notes:

• CQA was unable to reproduce the issue locally
• AI Assistant message:

“Chat is unavailable. Relay connection was lost.”

• Error in the Console:

“connection.state_change
oldState=Connecting newState=Failed error=WebSocketException: Unable to connect to the remote server (after 10 attempts)”

• There is also a message in the MCP client (Project Settings > AI > Assistant MCP):

“The MCP client is initializing. Awaiting initialization to complete...”