[E2E] Regression failed on main

[github-actions]

Automated regression failure detected.

• Workflow: e2e-agent-kit
• Run ID: 23351088168
• Run URL: https://github.com/egs2026/e2e-agent-kit/actions/runs/23351088168
• Commit: fce4f5e

Please triage and attach root cause / remediation notes.