Codex plugin marketplace upgrade times out while cloning marketplace source

When upgrading an already installed marketplace backed by a private GitHub repository, the command fails because the git clone step exceeds the 30s timeout.

Command

codex plugin marketplace upgrade example-private-marketplace

Error

Failed to upgrade marketplace `example-private-marketplace`: git clone marketplace source timed out after 30s: Cloning into '/Users/<user>/.codex/.tmp/marketplaces/.staging/marketplace-upgrade-XXXXXX'...

Expected

The upgrade should complete successfully, or the clone timeout should be longer/configurable for marketplace sources.

Actual

The upgrade fails after 30 seconds during the git clone step.

Environment

• Codex CLI: 0.134.0
• OS: macOS
• Marketplace source: private GitHub repository