Previous fix revealed the real issue: embedding server fails to start within 120s, not timeout issues. The error was hidden because both stdout and stderr were redirected to DEVNULL in CI. Changes: - Keep stderr output in CI environment for debugging - Only redirect stdout to DEVNULL to avoid buffer deadlock - This will help us see why embedding server startup is failing 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>