Strip request body from the failure log; redact email and card pan with @acme/log redactor.

• complianceaddressedf_1
  PII redaction approach aligns with team's logging compliance rule
  Stripping the request body from failure logs and applying @acme/log redactor for email and card PAN directly addresses the convention against logging PII. This is the right layer to enforce it and keeps the fix scoped.