* fix: return 400 instead of 500 for invalid eventTypeId in booking flow Co-Authored-By: benny@cal.com <sldisek783@gmail.com> * refactor: use ErrorWithCode instead of HttpError in BotDetectionService Co-Authored-By: benny@cal.com <sldisek783@gmail.com> * refactor: use vi.stubEnv for safer environment variable handling in tests Co-Authored-By: benny@cal.com <sldisek783@gmail.com> --------- Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>