[BUG] `claude://` deeplink skips specified files when Claude Desktop is not already opened on macOS

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?

Running claude://cowork/new?file=<file_path> when Claude Desktop app is not running only opens Claude Desktop but does not add the specified file/files to context.

What Should Happen?

Specified file/files should be added to context in a new session after Claude Desktop app starts.

Error Messages/Logs

Steps to Reproduce

1. Make sure Claude Desktop app is not running.
2. Launch open claude://cowork/new?file=<file_path> in the terminal (replace <file_path> with an absolute path to a file)

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

1.5354.0 (9a9e9d) Claude Desktop

Platform

AWS Bedrock

Operating System

macOS

Terminal/Shell

Other

Additional Information

_No response_