{
  "proof": "SignalMend Mail Receipt",
  "proof_type": "self_initiated_wordpress_playground_fixture",
  "tested_on": "2026-08-10",
  "status": "pass",
  "runtime": {
    "wordpress": "7.0.3",
    "php": "8.3.32"
  },
  "plugin": "0.1.0",
  "assertions": 18,
  "fixture_input": "synthetic",
  "privacy_check": "recipient_subject_body_headers_attachments_and_error_message_absent",
  "claim_boundary": {
    "proves": [
      "plugin activation in the recorded WordPress Playground runtime",
      "wp_mail_succeeded and wp_mail_failed hook registration",
      "separate aggregate success and failure counters",
      "sanitized error-code storage",
      "absence of fixture mail content from the stored option"
    ],
    "does_not_prove": [
      "production-site compatibility",
      "SMTP provider handoff",
      "mailbox receipt",
      "inbox placement",
      "client or revenue outcome"
    ]
  },
  "final_state": {
    "schema_version": 1,
    "accepted_by_mailer": 1,
    "mailer_error": 1,
    "last_event": "mailer_error",
    "last_at": "2026-08-10T18:30:00+00:00",
    "last_error_code": "smtp_connect_failed"
  }
}