在途货物实时风险标签追踪器 — 海运/空运全链路可视化与预警Tag实时更新

"""
在途货物实时风险标签追踪器
功能：在途状态Tag实时更新 / 风险评分 / ETA修正 / 延误预警 / 行动触发
输入：运输事件流 + 外部风险信号
输出：实时风险Tag + ETA预测 + 预警报告
"""
import numpy as np
from dataclasses import dataclass, field
from datetime import datetime, timedelta
from typing import Optional
import warnings
warnings.filterwarnings('ignore')


@dataclass
class ShipmentTracking:
    shipment_id: str
    origin: str
    destination: str
    carrier: str
    transport_mode: str       # SEA / AIR / GROUND
    original_eta: datetime
    current_position: str
    total_units: int
    inventory_value: float

    # Real-time Tags
    status: str = "IN_TRANSIT"
    delay_hours: float = 0.0
    customs_clearance_risk: str = "LOW"
    eta_confidence: str = "HIGH"
    port_congestion_impact: str = "NONE"
    weather_impact: str = "NONE"
    risk_score: float = 0.0
    current_eta: datetime = None

    def __post_init__(self):
        if self.current_eta is None:
            self.current_eta = self.original_eta


@dataclass
class TrackingEvent:
    shipment_id: str
    event_type: str       # DEPARTURE / PORT_ARRIVAL / CUSTOMS / DELAY / DELIVERY
    timestamp: datetime
    location: str
    details: dict = field(default_factory=dict)


class ShipmentRiskTagTracker:

    RISK_WEIGHTS = {
        "port_congestion": 0.30,
        "weather": 0.20,
        "customs_complexity": 0.25,
        "carrier_performance": 0.25,
    }

    def __init__(self):