[BUG] claude --resume start a new session in telemetry

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

when i resume a session like
claude --resume d5f92893-5d26-4ffc-b24c-44bcfa576111

claude code send telemetry data with a new session_id attribute (different than d5f92893-5d26-4ffc-b24c-44bcfa576111_

What Should Happen?

telemetry should use same session_id

Error Messages/Logs

Steps to Reproduce

1. create a session and send some message
2. exit and then resume session
3. observe in telemetry that a new session appeared

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.47 (Claude Code)

Platform

Anthropic API

Operating System

Other Linux

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_