报关主体匹配 · 查询任务（异步轮询）

{
    "success": true,
    "task_id": "clxxxxxxxx",
    "status": "completed",
    "progress": {
        "stage": "done"
    },
    "data": {
        "query_company": "Apple Inc",
        "resolved_identity": {
            "english_name": "Apple Inc",
            "domain": "apple.com"
        },
        "ai_candidates": [
            "APPLE INC",
            "APPLE COMPUTER TRADING"
        ],
        "search_window": {
            "start_time": "2025-10-18",
            "end_time": "2026-10-18",
            "months": 12
        },
        "filter_summary": {
            "candidates_examined": 12,
            "related_count": 3,
            "unrelated_count": 9,
            "kept_records": 40,
            "dropped_records": 10
        },
        "search_summary": {
            "total": 120,
            "record_count": 40,
            "recent_records": [],
            "per_candidate": [
                {
                    "query": "APPLE INC",
                    "ok": true,
                    "total": 80
                }
            ]
        },
        "top_subjects": [
            {
                "query_name": "APPLE INC",
                "hits_in_search": 25,
                "matched_id": "12345678",
                "customs_id": null,
                "customs_date": null,
                "role": "exporter",
                "match_ok": true
            }
        ]
    },
    "error": null,
    "meta": {
        "billing": {
            "credits_charged": 15
        },
        "created_at": "2026-10-18T09:00:00.000Z",
        "completed_at": "2026-10-18T09:01:30.000Z"
    }
}