[Bug] VSCode Extension: Conversation history lost after closing and reopening chat tab

Bug Description
What's Wrong?
Using VSCode extension, conversation history disappears. In the most recent instance, had long conversation, closed the chat tab, re-opened it, and only part of the messages were present.

It's the integrated chat tab, not the terminal

What Should Happen?
Conversation history should not be lost.

Error Messages/Logs
N/A
Steps to Reproduce
Just use the VSCode Extension, the problem is recurrent.

Claude Model
Sonnet (default)

Is this a regression?
I don't know

Last Working Version
No response

Claude Code Version
2.1.59

Platform
Anthropic API

Operating System
macOS

Terminal/Shell
VS Code integrated terminal

Additional Information
No response

VS Code extension: /resume shows no conversations while terminal mode works

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 2.1.45
• Feedback ID: 664133d7-3faa-4ec4-81ad-17183c20d192

Errors

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