Unclear It is not clear what a user sees or can do with these new session details.
What
When Claude Code creates a session that runs in the cloud, the session it gets back can now include two new details:
mayBeOnARunner, set when the session is being moved.selfHostedStartNotice, a notice about starting on a self-hosted runner (a machine you run yourself instead of Anthropic's).
The error shown when cloud session setup fails still mentions CLAUDE_CODE_OAUTH_TOKEN and CLAUDE_CODE_ORGANIZATION_UUID.
Why
This appears to be part of moving sessions between Anthropic's cloud and self-hosted runners.
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The writer flagged doubt
It is not clear what a user sees or can do with these new session details.