{
  "schema_version": 1,
  "description": "Minimal synthetic replay for capture diagnostic reason codes.",
  "privacy": {
    "synthetic": true,
    "contains_user_uid": false,
    "contains_raw_account_session": false
  },
  "local_ip": "192.0.2.10",
  "expected": {
    "packets_seen": 3,
    "history_requests_recognized": 1,
    "response_candidates_rejected": 2,
    "event_counts": {
      "HISTORY_REQUEST_RECOGNIZED": 1,
      "NO_HISTORY_MARKER": 1,
      "RESPONSE_TOO_SHORT": 1
    },
    "reason_counts": {
      "NO_HISTORY_MARKER": 1,
      "RESPONSE_TOO_SHORT": 1
    },
    "pending_response_candidates": 2,
    "pending_candidate_lengths": [80, 220]
  },
  "packets": [
    {
      "label": "permanent-page-1-request",
      "timestamp": 1893456000.0,
      "src_ip": "192.0.2.10",
      "dst_ip": "198.51.100.20",
      "src_port": 50000,
      "dst_port": 40000,
      "protocol": "udp",
      "payload_hex": "00000000000000000000000000000000000000000000000000000000000000040000007c100000000400000000"
    },
    {
      "label": "matching-response-too-short",
      "timestamp": 1893456000.1,
      "src_ip": "198.51.100.20",
      "dst_ip": "192.0.2.10",
      "src_port": 40000,
      "dst_port": 50000,
      "protocol": "udp",
      "payload_byte": "00",
      "payload_length": 80
    },
    {
      "label": "matching-response-without-history-marker",
      "timestamp": 1893456000.2,
      "src_ip": "198.51.100.20",
      "dst_ip": "192.0.2.10",
      "src_port": 40000,
      "dst_port": 50000,
      "protocol": "udp",
      "payload_byte": "00",
      "payload_length": 220
    }
  ]
}