얼굴 검색(Face Search) 1:N 보고서: 일치 결과 JSON

POST /v3/face-search/  ──▶  { "request_id": …, "face_search": { … }, "vendor_data": …, "metadata": …, "created_at": … }

interface FaceSearchResponse {
  request_id: string;            // UUID — the persisted session id when save_api_request=true
  face_search: {
    status: 'Approved' | 'Declined';
    total_matches: number;       // 0-5, length of matches[]
    matches: FaceSearchMatch[];  // capped at 5, ordered by similarity
    user_image: {                // always present
      entities: {
        bbox: [number, number, number, number];
        confidence: number;      // 0-1, one entry per detected face
      }[];
      best_angle: 0 | 90 | 180 | 270;
    };
    warnings: Warning[];
  };
  vendor_data: string | null;    // echoed from the request
  metadata: object | null;       // echoed from the request
  created_at: string;            // ISO 8601, e.g. "2026-06-12T01:04:42.763237+00:00"
}

interface FaceSearchMatch {
  session_id: string | null;     // UUID of the matched session; null for non-session matches
  session_number: number | null; // Console-friendly number; null for non-session matches
  similarity_percentage: number; // 0-100
  source: 'session' | 'imported' | 'list_entry' | 'retained_template';
  vendor_data: string | null;    // the matched session's, imported profile's, or retained template's User vendor_data
  vendor_user_id: string | null; // UUID of the linked User; null for list_entry matches and sessions without a User
  biometric_template_id: string | null; // set only for retained_template matches
  verification_date: string | null;  // "YYYY-MM-DDThh:mm:ssZ"; null for list_entry matches; the retention date for retained_template matches
  user_details: {
    full_name: string | null;
    document_type: string | null;
    document_number: string | null;
  } | null;                      // null when the matched session has no document data
  match_image_url: string | null; // signed URL when save_api_request=true; raw storage path otherwise; null for retained_template matches
  status: 'Approved' | 'Declined' | 'In Review' | null;  // the matched session's status
  is_blocklisted: boolean;
  is_allowlisted: boolean;
  api_service: 'ID_VERIFICATION' | 'FACE_MATCH' | 'AGE_ESTIMATION' | 'POA' | 'AML'
             | 'PASSIVE_LIVENESS' | 'DATABASE_VALIDATION' | 'PHONE_VERIFICATION'
             | 'EMAIL_VERIFICATION' | null;  // null when the match comes from a workflow session
}

interface Warning {
  risk: string;
  feature: 'LIVENESS';           // always LIVENESS on this endpoint
  additional_data: object | null;
  log_type: 'error' | 'warning' | 'information';
  short_description: string;
  long_description: string;
}

{
  "request_id": "5e0c3a1f-7b2d-4c8e-9f10-2a3b4c5d6e7f",
  "face_search": {
    "status": "Approved",
    "total_matches": 1,
    "matches": [
      {
        "session_id": "1f2e3d4c-5b6a-7980-1122-334455667788",
        "session_number": 1024,
        "similarity_percentage": 87.42,
        "source": "session",
        "vendor_data": "user-9",
        "verification_date": "2025-11-20T09:15:00Z",
        "user_details": {
          "full_name": "Jane Marie Doe",
          "document_type": "Passport",
          "document_number": "X1234567"
        },
        "match_image_url": "https://<media-host>/face/9c8b7a6d/reference.jpg?signature=...",
        "status": "Approved",
        "is_blocklisted": false,
        "is_allowlisted": false,
        "api_service": null
      }
    ],
    "user_image": {
      "entities": [
        {
          "bbox": [40, 40, 120, 120],
          "confidence": 0.732973
        }
      ],
      "best_angle": 0
    },
    "warnings": [
      {
        "risk": "DUPLICATED_FACE",
        "feature": "LIVENESS",
        "additional_data": {
          "duplicated_session_id": "1f2e3d4c-5b6a-7980-1122-334455667788",
          "duplicated_session_number": 1024,
          "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."
      }
    ]
  },
  "vendor_data": "user-123",
  "metadata": null,
  "created_at": "2026-06-12T01:04:42.763237+00:00"
}

{
  "request_id": "a1b2c3d4-e5f6-7890-1234-567890abcdef",
  "face_search": {
    "status": "Declined",
    "total_matches": 1,
    "matches": [
      {
        "session_id": "882c42d5-8a4d-4d20-8080-a22f57822c86",
        "session_number": 323442,
        "similarity_percentage": 99.99,
        "source": "session",
        "vendor_data": "user-1",
        "verification_date": "2025-01-01T00:00:00Z",
        "user_details": {
          "full_name": "Jane Marie Doe",
          "document_type": "ID",
          "document_number": "X1234567"
        },
        "match_image_url": "https://<media-host>/face/3f6a1c2e/reference.jpg?signature=...",
        "status": "Approved",
        "is_blocklisted": true,
        "is_allowlisted": false,
        "api_service": "PASSIVE_LIVENESS"
      }
    ],
    "user_image": {
      "entities": [
        {
          "bbox": [40, 40, 120, 120],
          "confidence": 0.732973
        }
      ],
      "best_angle": 0
    },
    "warnings": [
      {
        "risk": "FACE_IN_BLOCKLIST",
        "feature": "LIVENESS",
        "additional_data": {
          "blocklisted_session_id": "882c42d5-8a4d-4d20-8080-a22f57822c86",
          "blocklisted_session_number": 323442,
          "api_service": "PASSIVE_LIVENESS"
        },
        "log_type": "error",
        "short_description": "Face in blocklist",
        "long_description": "The system identified a face in the blocklist, which means the face is not allowed to be verified."
      }
    ]
  },
  "vendor_data": "user-123",
  "metadata": null,
  "created_at": "2026-06-12T01:04:42.763237+00:00"
}