라이브니스 감지 경고 및 오류 코드

"warnings": [
  {
    "feature": "LIVENESS",
    "risk": "LIVENESS_FACE_ATTACK",
    "additional_data": null,
    "log_type": "error",
    "short_description": "Liveness Face Attack",
    "long_description": "The system detected a potential attempt to bypass the liveness check.",
    "node_id": "liveness_primary"
  }
]

"warnings": [
  {
    "feature": "LIVENESS",
    "risk": "LOW_FACE_QUALITY",
    "additional_data": null,
    "log_type": "warning",
    "short_description": "Low face quality",
    "long_description": "The facial image quality is below the acceptable threshold, which may affect the reliability of liveness detection. This could be due to camera resolution, focus, or compression artifacts.",
    "node_id": "liveness_primary"
  },
  {
    "feature": "LIVENESS",
    "risk": "LOW_FACE_LUMINANCE",
    "additional_data": null,
    "log_type": "warning",
    "short_description": "Low face luminance",
    "long_description": "The facial image is too dark, which may affect the accuracy of liveness detection. Better lighting conditions are recommended.",
    "node_id": "liveness_primary"
  },
  {
    "feature": "LIVENESS",
    "risk": "MULTIPLE_FACES_DETECTED",
    "additional_data": null,
    "log_type": "information",
    "short_description": "Multiple faces detected",
    "long_description": "Multiple faces were detected in the liveness image. The system uses the largest face for liveness verification and face comparison, but the presence of multiple faces may require additional review.",
    "node_id": "liveness_primary"
  }
]

"warnings": [
  {
    "feature": "LIVENESS",
    "risk": "DUPLICATED_FACE",
    "additional_data": {
      "duplicated_session_id": "8d2f1c4e-6b7a-4c8d-9e0f-1a2b3c4d5e6f",
      "duplicated_session_number": 123,
      "api_service": null
    },
    "log_type": "warning",
    "short_description": "Duplicated face from other approved session",
    "long_description": "The system identified a duplicated face from another approved session, requiring further investigation.",
    "node_id": "liveness_primary"
  }
]

"warnings": [
  {
    "feature": "LIVENESS",
    "risk": "DUPLICATED_FACE",
    "additional_data": {
      "duplicated_session_id": "8d2f1c4e-6b7a-4c8d-9e0f-1a2b3c4d5e6f",
      "duplicated_session_number": 123,
      "api_service": null
    },
    "log_type": "information",
    "short_description": "Duplicated face from other approved session",
    "long_description": "The system identified a duplicated face from another approved session, requiring further investigation.",
    "node_id": "liveness_primary"
  },
  {
    "feature": "LIVENESS",
    "risk": "DUPLICATED_FACE_NAME_MISMATCH",
    "additional_data": {
      "duplicated_session_id": "8d2f1c4e-6b7a-4c8d-9e0f-1a2b3c4d5e6f",
      "duplicated_session_number": 123,
      "api_service": null,
      "name_match_score": 42.5
    },
    "log_type": "warning",
    "short_description": "Duplicated face under a different name",
    "long_description": "The same face was already approved on another session, but under a different name. The identity behind the duplicate does not match the identity declared on this session, which is a strong indicator of identity fraud.",
    "node_id": "liveness_primary"
  }
]

"warnings": [
  {
    "feature": "LIVENESS",
    "risk": "LIVENESS_VIDEO_ANOMALY",
    "additional_data": {
      "forensics_version": 2,
      "duration_seconds": 6.0,
      "repeated_sequence": {
        "period_frames": 6,
        "cycles": 3,
        "matched_pairs": 12
      },
      "anomaly_reasons": ["repeated_moving_sequence"]
    },
    "log_type": "information",
    "short_description": "Liveness video stream anomaly",
    "long_description": "The recorded liveness video contains a repeated moving sequence consistent with a looped feed. Camera stalls, repeated still frames and slow frame delivery alone do not raise this signal. This is an independent recording check, not a complete assessment of whether the capture is live.",
    "node_id": "liveness_primary"
  }
]