{
  "title": "Agent Sentry — local engineering verification record",
  "snapshot_date": "2026-09-28",
  "environment": "Localhost; live NanoGPT text analysis; local TEST chain 31337",
  "scope": "Curated summary of local engineering records, not an independent security audit or an attack-detection benchmark.",
  "baseline_regression_checks": {
    "frontend_client_proxy": 29,
    "backend": 73,
    "payment_sdk_smoke": 15,
    "total": 117,
    "result": "passed"
  },
  "verified_flows": [
    "Signed challenge authentication and scoped service keys",
    "Real NanoGPT analysis of benign and malicious text examples",
    "Approved payment recipient accepted; changed recipient denied",
    "Expired result rejected; explicit new check required",
    "Metadata inspected field by field and bound to the exact original bundle",
    "Stable operation IDs prevent a retry from creating a second charge",
    "History, test burns and signing public key persist across a local restart",
    "Provider receipts reconciled using exact decimal parsing"
  ],
  "reproduced_findings": [
    {"note": "instructions-inside-metadata", "change": "Inspect each non-empty metadata field instead of relying on classification of a serialized JSON wrapper."},
    {"note": "ordinary-invoice", "change": "Replace instruction-like fixture wording with a neutral invoice description while keeping deterministic policy unchanged."},
    {"note": "tiny-costs-exact-accounting", "change": "Accept bounded long decimals; round costs to integer microdollars without floating-point arithmetic; isolate invalid receipts."}
  ],
  "boundaries": [
    "No production wallet funding, payment settlement or real-token burns were verified.",
    "Local metadata examples are not continuous scanning of live blockchains.",
    "A consuming host must enforce the result at the actual action or signing boundary.",
    "External papers are attributed and were not reproduced in this verification.",
    "Model examples and regression counts do not establish a general detection rate."
  ]
}