- Remove overly aggressive pattern 'python.*pytest' that matched wrapper itself
- Add current PID check to avoid killing wrapper process
- Add exclusion for wrapper and debug script names
- This fixes exit code 137 (SIGKILL) issue where wrapper killed itself
Root cause: cleanup function was killing the wrapper process itself,
causing immediate termination with no output in CI.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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