mcp/services/output_presenter.py

import json
import logging
import math
from urllib.parse import urlparse

from constants import DEVICE_INVALID_MESSAGE


logger = logging.getLogger(__name__)


# Builds AI-safe MCP results for the explicitly supported tool set.
class OutputPresenter:
    TABLE_TOOLS = frozenset((
        'query_order_exact',
        'query_track',
        'query_customs_declaration_files',
        'query_outbound_list',
        'query_customer_list',
    ))
    PAYMENT_FOLLOWUP_TOOLS = frozenset(('query_customer_payment_followup',))
    PAYMENT_DETAIL_TOOLS = frozenset((
        'query_customer_unverified_bill_details',
    ))
    PAYMENT_RECORD_TOOLS = frozenset(('query_customer_payment_records',))
    RECEIVABLE_COST_TOOLS = frozenset((
        'query_order_receivable_cost_details',
    ))
    RECEIVABLE_LIST_TOOLS = frozenset(('query_receivable_cost_list',))
    RECEIVABLE_FILTER_TOOLS = frozenset((
        'list_receivable_cost_filter_options',
    ))
    PAYABLE_COST_TOOLS = frozenset(('query_payable_cost_list',))
    PAYABLE_FILTER_TOOLS = frozenset(('list_payable_cost_filter_options',))
    PAYABLE_EXPORT_TOOLS = frozenset(('export_payable_cost_list',))
    DESTINATION_TRAILER_TOOLS = frozenset(('query_destination_trailer_list',))
    ARRANGE_TRAILER_TOOLS = frozenset(('arrange_destination_trailer',))
    ORDER_ABNORMAL_TOOLS = frozenset(('query_order_abnormal_list',))
    RECEIVE_VOLUME_TOOLS = frozenset(('query_receive_volume_list',))
    GOODS_INFO_TOOLS = frozenset(('query_goods_info',))
    GOODS_TAX_TOOLS = frozenset(('trial_goods_tax',))
    CONTAINER_TIMELINESS_TOOLS = frozenset(('query_container_timeliness_list',))
    INBOUND_RECEIPT_TOOLS = frozenset(('list_inbound_receipt_templates',))
    FREIGHTOWER_TRACK_TOOLS = frozenset(('query_freightower_track',))
    DETAIL_TOOLS = frozenset(('query_outbound_detail',))
    ORDER_DETAIL_TOOLS = frozenset(('query_order_detail',))
    OPTION_TOOLS = frozenset((
        'list_order_filter_options',
        'list_outbound_filter_options',
        'list_pending_outbound_export_filter_options',
        'list_customer_filter_options',
        'list_destination_trailer_filter_options',
        'list_order_abnormal_filter_options',
        'list_receive_volume_filter_options',
    ))
    EXPORT_TOOLS = frozenset((
        'export_pending_outbound_orders',
        'export_out_of_province_port_data',
        'export_receivable_cost_list',
        'export_pallet_data',
        'export_container_timeliness_report',
        'export_inbound_receipt',
    ))
    TASK_TOOLS = frozenset(('query_export_task',))
    SAFE_TOOLS = (
        TABLE_TOOLS | DETAIL_TOOLS | ORDER_DETAIL_TOOLS | PAYMENT_FOLLOWUP_TOOLS
        | PAYMENT_DETAIL_TOOLS | PAYMENT_RECORD_TOOLS | RECEIVABLE_COST_TOOLS
        | RECEIVABLE_LIST_TOOLS | RECEIVABLE_FILTER_TOOLS
        | PAYABLE_COST_TOOLS | PAYABLE_FILTER_TOOLS | PAYABLE_EXPORT_TOOLS
        | DESTINATION_TRAILER_TOOLS
        | ARRANGE_TRAILER_TOOLS
        | ORDER_ABNORMAL_TOOLS
        | RECEIVE_VOLUME_TOOLS
        | GOODS_INFO_TOOLS
        | GOODS_TAX_TOOLS
        | CONTAINER_TIMELINESS_TOOLS
        | INBOUND_RECEIPT_TOOLS
        | FREIGHTOWER_TRACK_TOOLS
        | OPTION_TOOLS | EXPORT_TOOLS | TASK_TOOLS
    )

    ORDER_DETAIL_SECTIONS = {
        'overview': '订单概览',
        'packages': '箱单信息',
        'package_items': '箱单商品',
        'dw_auth': 'DW授权信息',
        'attachments': '附件信息',
        'inbound': '入库信息',
        'checks': '查验信息',
        'tracks': '订单轨迹',
        'operation_logs': '操作日志',
        'cost_logs': '应收与结算日志',
        'delivery': '派送信息',
        'all': '全部',
    }

    ORDER_DETAIL_FIELDS = {
        'overview': {
            'order_info': {
                'order_number': '订单号', 'reference_number': '客户参考号',
                'customer_name': '客户名称', 'departure_country': '起运国',
                'destination_country': '目的国', 'package_method': '包装类型',
                'product_name': '物流产品', 'forecast_pwv': '预报件重体',
                'inbound_pwv': '入库件重体',
                'receivable_charge_weight': '应收计费重/体积',
                'settlement_charge_weight': '结算计费重/体积',
                'declaration_type': '报关类型', 'pre_recording': '是否需要预录单',
                'idcard_name': '企业/个人姓名',
                'idcard_number': '社会信用代码/身份证号',
                'outbound_number': '排舱单号', 'container_mode': '直送柜/拼柜',
                'track_map_available': '是否可查看轨迹地图', 'insurance': '购买保险',
                'delivery_way': '派送方式', 'return_shipping_surcharge': '退运附加',
                'work_order_count': '工单数量', 'bill_remark': '账单备注',
                'remark': '订单备注',
            },
            'freight_info': {
                'estimated_inbound_time': '预计入库时间', 'cargo_type': '货物类型',
                'pickup_way': '交货方式', 'warehouse': '交货仓库',
                'pickup_address': '提货地址', 'pickup_contact': '提货联系人',
                'pickup_phone': '提货联系电话', 'delivery_type': '派送类型',
                'delivery_address': '派送地址', 'delivery_remark': '派送备注',
                'oversea_warehouse': '海外仓',
            },
            'package_summary': {
                'box_count': '箱数', 'total_weight': '重量', 'weight_unit': '重量单位',
                'total_volume': '体积', 'sku_count': 'SKU数量',
                'clearance_total_price': '清关总价', 'clearance_currency': '清关币种',
                'purchase_total_price': '采购总价', 'purchase_currency': '采购币种',
            },
            'trader_info': {
                'exporter': '出口商', 'importer': '进口商',
                'coo_required': '是否做产地证',
            },
        },
        'packages': {
            'shipment_id': 'SHIPMENT ID', 'reference_id': 'REFERENCE ID',
            'sku_summary': 'SKU', 'product_name_summary': '商品名',
            'box_quantity': '箱数', 'box_length_cm': '单箱长(CM)',
            'box_width_cm': '单箱宽(CM)', 'box_height_cm': '单箱高(CM)',
            'gross_weight_kg': '单箱毛重量(KG)', 'net_weight_kg': '单箱净重量(KG)',
            'is_over_length': '长度是否超限', 'is_over_width': '宽度是否超限',
            'is_over_height': '高度是否超限', 'is_over_weight': '重量是否超限',
        },
        'package_items': {
            'shipment_id': 'SHIPMENT ID', 'reference_id': 'REFERENCE ID',
            'box_specification': '箱规', 'box_specification_unit': '箱规单位',
            'package_gross_weight_kg': '箱单单箱毛重(KG)',
            'package_net_weight_kg': '箱单单箱净重(KG)',
            'inspection_result': '查验结果', 'exception_reason': '异常原因',
            'inspection_photo_count': '查验图片数量', 'sku': 'SKU',
            'units_per_box': '单箱个数', 'declaration_type': '报关类型',
            'box_number': '箱号', 'item_gross_weight_kg': '商品单箱毛重量(KG)',
            'item_net_weight_kg': '商品单箱净重量(KG)', 'chinese_name': '中文品名',
            'english_name': '英文名称', 'brand_type': '品牌类型', 'brand': '品牌',
            'model': '型号', 'material_cn': '材质（CN）', 'material_en': '材质（EN）',
            'purpose_cn': '用途', 'goods_attributes': '商品属性',
            'declaration_hs_code': '报关编码', 'clearance_hs_code': '清关编码',
            'material_ratio': '材质占比', 'clearance_unit_price': '清关单价',
            'clearance_currency': '清关币种', 'purchase_unit_price': '采购单价',
            'purchase_currency': '采购币种', 'product_image_count': '商品图片数量',
            'remark': '备注',
        },
        'dw_auth': {
            'fba_id': 'FBAID', 'dw_start': 'DW开始时间', 'dw_end': 'DW结束时间',
            'dw_display': 'DW', 'authorization_status': '客户授权状态',
        },
        'attachments': {
            'category': '附件分类', 'file_name': '文件名称',
            'file_extension': '文件类型', 'is_image': '是否图片',
            'preview_url': '预览链接', 'download_url': '下载链接',
            'cost_name': '收费项目',
        },
        'inbound_summary': {
            'inbound_status': '入库状态', 'inbound_time': '入库时间',
            'inbound_operator': '操作人', 'warehouse': '仓库',
            'abnormal_reason': '异常原因', 'inbound_photo_count': '入库图片数量',
            'forecast_pwv_summary': '预报件重体', 'inbound_pwv_summary': '入库件重体',
        },
        'inbound': {
            'has_label': '是否贴标', 'shipment_id': 'SHIPMENT ID',
            'inbound_quantity': '入库件数',
            'measurement_photo_count': '测量图片数量',
            'box_specification': '入库箱规', 'weight_mode': None, 'weight': None,
            'weight_unit': '重量单位', 'is_over_length': '长度是否超限',
            'is_over_width': '宽度是否超限', 'is_over_height': '高度是否超限',
            'is_over_weight': '重量是否超限', 'operated_at': '操作时间',
        },
        'checks': {
            'shipment_id': '货件编号', 'sku': 'SKU', 'box_number': '箱号',
            'box_quantity': '箱数', 'box_specification': '箱规',
            'inspection_result': '查验结果',
            'inspection_photo_count': '查验图片数量', 'remark': '备注',
            'inspector': '查验人', 'inspected_at': '查验时间',
        },
        'tracks': {
            'track_type': '轨迹类型', 'status': '轨迹节点', 'location': '轨迹地点',
            'occurred_at': '时间', 'tracking_number': '跟踪号',
            'shipment_id': 'SHIPMENT ID', 'content': '轨迹内容',
        },
        'operation_logs': {
            'operated_at': '操作时间', 'content': '操作内容', 'operator': '操作人',
        },
        'cost_logs': {
            'operated_at': '操作时间', 'content': '操作内容', 'operator': '操作人',
        },
        'delivery_summary': {
            'master_tracking_number': '主跟踪号', 'sub_order_count': '子单数量',
        },
        'delivery': {'sub_tracking_number': '子跟踪号'},
    }

    ORDER_DETAIL_STATUS_FIELDS = {
        'stage': '阶段', 'label': '节点', 'state': '状态',
        'occurred_at': '时间', 'time_kind': '时间类型',
    }
    ORDER_DETAIL_STATES = {
        'completed': '已完成', 'in_progress': '进行中',
        'pending': '待完成', 'hidden': '不展示',
    }
    ORDER_DETAIL_TIME_KINDS = {
        'actual': '实际', 'estimated': '预计', 'empty': '暂无',
    }

    TABLE_COLUMNS = {
        'query_order_exact': {
            'order_number': ('订单号',),
            'reference_number': ('客户参考号',),
            'status_txt_name': ('状态',),
            'check_status_txt_name': ('是否已查验',),
            'customer_name': ('客户名称',),
            'customer_account_type_name': ('客户属性',),
            'inbound_date': ('入库时间',),
            'wo_num': ('未完成工单',),
            'product_name': ('物流产品',),
            'inbound_pieces': ('件数',),
            'inbound_volume': ('体积(CBM)',),
            'inbound_weight': ('重量(KG)',),
            'pro_cn_name': ('品名',),
            'export_declaration_type': ('报关方式',),
            'merge_declare_number': ('合并报关单号',),
            'delivery_address': ('派送地址',),
            'container_code': ('柜号',),
            'out_status_txt': ('排舱单状态',),
            'hinge_of_destination': ('目的港',),
            'etd': ('ETD',),
            'atd': ('ATD',),
            'eta': ('ETA',),
            'ata': ('ATA',),
            'release_time': ('清关放行时间',),
            'oversea_inbound_date': ('海外入库时间',),
            'appt_time': ('APPT时间',),
            'est_loading_time': ('预计装柜时间',),
            'pickup_time': ('海外提柜时间',),
            'delivery_way_title': ('派送方式',),
            'tracking_number': ('快递单号', '承运商跟踪号码'),
            'shipment_id': ('Shipment ID',),
            'goods_attribute': ('商品属性',),
            'sku': ('SKU',),
            'sales_user': ('商务经理',),
            'service_user': ('客户经理',),
            'department_name': ('事业部',),
            'remark': ('订单备注',),
            'importer_name': ('进口商',),
            'warehouse_name': ('交货仓库',),
            'paid_status_name': ('付款状态',),
        },
        'query_track': {
            'status': ('轨迹节点', '轨迹状态，如：开始集港、离港放行、清关、配送等'),
            'location': ('轨迹地点', '发生地点'),
            'time': ('时间', '轨迹发生时间（已转换为用户时区）'),
            'content': ('轨迹内容', '详细描述'),
            'tracking_number': ('跟踪号', '快递单号'),
            'shipment_id': ('Shipment ID', '包裹ID'),
        },
        'query_customs_declaration_files': {
            'outbound_number': ('排舱单号',),
            'order_number': ('订单号',),
            'file_name': ('文件名',),
            'file_type': ('文件类型',),
            'file_url': ('文件链接',),
        },
        'query_outbound_list': {
            'outbound_number': ('排舱单号',),
            'direct_send': ('直送柜',),
            'remark': ('备注',),
            'cargo_type': ('超长超重',),
            'warehouse_name': ('集货仓库',),
            'status': ('状态',),
            'so_number': ('SO号',),
            'container_code': ('柜号',),
            'seal_number': ('封条号',),
            'container_type': ('柜型',),
            'cabinet_type': ('整拼类型',),
            'shipping_method': ('运输方式',),
            'total_volume': ('体积(CBM)',),
            'total_weight': ('重量(KG)',),
            'ship_schedule': ('船期',),
            'closing_time': ('截关时间',),
            'est_loading_time': ('预计装柜时间',),
            'operator': ('操作人',),
            'operation_modes': ('拖报清方式',),
            'handle_method': ('操作方式',),
            'operation_time': ('操作时间',),
            'ship_company': ('船司',),
            'vessel_name': ('船名航次',),
            'route': ('航线',),
            'cutoff_time_si': ('截SI时间',),
            'clearance_port': ('清关口岸',),
            'clearance_port_eta': ('清关口岸ETA',),
            'loading_port': ('起运港',),
            'destination_port': ('目的港',),
            'wharf_name': ('到港码头',),
            'transit_port': ('中转港',),
            'etd': ('ETD',),
            'eta': ('ETA',),
            'ata': ('ATA',),
            'clearance_release_time': ('清关放行时间',),
            'overseas_warehouse': ('海外仓',),
            'providers_name': ('拖车行',),
            'has_fda': ('是否含FDA认证商品',),
            'has_cpsc': ('是否含CPSC商品',),
            'has_food': ('是否含食品',),
        },
        'query_outbound_detail': {
            'order_number': ('订单号',),
            'cargo_type': ('超长超重',),
            'customs_files': ('报关资料',),
            'reference_number': ('客户参考号',),
            'customer_name': ('客户名称',),
            'declaration_type': ('报关方式',),
            'merge_declare_number': ('合并报关单号',),
            'order_remark': ('订单备注',),
            'bl_number': ('提单号',),
            'container_code': ('柜号',),
            'customer_service': ('客户经理',),
            'est_inbound_date': ('预计入库时间',),
            'inbound_date': ('实际入库时间',),
            'status': ('状态',),
            'pieces': ('预报件数 / 入库件数',),
            'weight': ('预报实重(KG) / 入库实重(KG)',),
            'volume': ('预报体积(m³) / 入库体积(m³)',),
            'pickup_place': ('交货地',),
            'product_name': ('物流产品',),
            'goods_name': ('品名',),
            'closing_time': ('截关时间',),
            'clearance_remark': ('报关备注',),
            'import_clearance_remark': ('清关备注',),
            'delivery_address': ('派送地址',),
            'delivery_type': ('派送类型',),
            'delivery_way': ('派送方式',),
            'channel': ('派送渠道',),
            'country_name': ('目的国',),
            'importer_name': ('进口商',),
            'vat_type': ('清关税号',),
            'packing_type': ('货物类型',),
            'is_abnormal': ('是否问题件',),
            'package_method': ('包装类型',),
            'order_reply': ('到货回复',),
            'is_must_load': ('订单是否必装',),
            'has_fda': ('是否含FDA认证商品',),
            'has_cpsc': ('是否含CPSC商品',),
            'has_food': ('是否含食品',),
        },
        'query_customer_list': {
            'customer_name': ('客户名称',),
            'customer_code': ('客户代码',),
            'create_time': ('开户时间',),
            'business_type': ('业务类型',),
            'customer_attribute': ('客户属性',),
            'customer_source': ('客户来源',),
            'first_inbound_date': ('首次成交时间',),
            'last_inbound_date': ('最后一次走货时间',),
            'active_status': ('活跃状态',),
            'contract_status': ('合同状态',),
            'contract_validity': ('合同有效期',),
            'credit_limit': ('信用额度',),
            'currency_code': ('结算币种',),
            'billing_modes': ('结算模式（分业务类型）',),
            'sales_name': ('商务经理',),
            'merchandiser_name': ('客户经理',),
            'department_name': ('事业部',),
        },
    }

    PAYMENT_FOLLOWUP_COLUMNS = {
        'customer_name': '客户名称',
        'settlement_currency': '结算币种',
        'billed_unverified_amount': '已出账未核销金额',
        'unbilled_amount': '未出账金额',
        'overdue_unpaid_amount': '逾期未回款金额',
        'billed_unverified_amount_cny': '已出账未核销金额（人民币）',
        'unbilled_amount_cny': '未出账金额（人民币）',
        'overdue_unpaid_amount_cny': '逾期未回款金额（人民币）',
        'unverified_receivable_monthly_summary': '未回款月份汇总',
        'receipt_unverified_amount': '收款单未核销金额',
        'current_balance': '当前余额',
        'credit_limit': '信用额度',
        'bad_debt_total': '坏账合计',
        'contract_status': '合同状态',
    }
    PAYMENT_FOLLOWUP_DETAIL_COLUMNS = {
        'bill_month': '账单月份',
        'bill_no': '账单号',
        'business_type': '业务类型',
        'settlement_mode': '结算模式',
        'unverified_amount': '未核销金额',
        'customer_receivable_date': '客户应收款日期',
    }
    PAYMENT_RECORD_COLUMNS = {
        'customer_name': '客户名称',
        'payment_reference': '收款水单号',
        'original_received_amount': '原币到账金额',
        'actual_received_amount': '实际收款金额',
        'receive_date': '收款日期',
        'verified_amount': '已核销金额',
        'unverified_amount': '未核销金额',
        'payment_approval_status': '收款审核状态',
    }
    RECEIVABLE_COST_COLUMNS = {
        'order_number': '订单号',
        'customer_name': '客户名称',
        'cost_name': '费用项',
        'cost_customer_name': '费用客户',
        'charge_weight': '计费重',
        'unit_price': '计费单价',
        'quote_currency': '原币币种',
        'receivable_original_amount': '应收原币',
        'receivable_amount_cny': '应收金额（CNY）',
        'settlement_amount_cny': '结算金额（CNY）',
        'cost_confirmation_status': '费用确认状态',
        'closing_status': '关账状态',
        'verification_status': '核销状态',
    }
    RECEIVABLE_COST_SUMMARY = {
        'order_total_receivable_cny': '订单总应收（CNY）',
        'order_total_settlement_cny': '订单总结算（CNY）',
        'special_approval_amount_cny': '特批金额（CNY）',
        'settlement_gross_profit_cny': '结算毛利（CNY）',
    }
    RECEIVABLE_LIST_COLUMNS = {
        'main_customer_name': '主客户',
        'sub_customer_name': '子客户',
        'customer_attribute': '客户属性',
        'department_name': '事业部',
        'document_type': '单据类型',
        'warehouse_name': '仓库',
        'business_number': '业务单号',
        'reference_number': '参考号',
        'cost_name': '费用项',
        'original_amount': '原币金额',
        'total_amount': '总金额',
        'billed_amount': '已出账金额',
        'unbilled_amount': '未出账金额',
        'bill_number': '账单编号',
        'verification_status': '核销状态',
        'receipt_number': '收款水单号',
        'receipt_date': '收款日期',
        'sales_name': '商务经理',
        'merchandiser_name': '客户经理',
        'drainage_user_name': '引流人',
        'first_leg_order_status': '头程订单状态',
        'settlement_mode': '结算模式',
        'cost_occurred_at': '费用发生时间',
        'business_occurred_at': '业务发生时间',
    }
    PAYABLE_COST_COLUMNS = {
        1: (
            ('number', '单号'), ('so_number', 'SO号'), ('container_code', '柜号'),
            ('bl_number', '提单号'), ('sub_number', '订单号'),
            ('business_node_name', '业务节点'), ('providers_name', '物流商'),
            ('cost_name', '费用名称'), ('payable_cost_q', '金额'), ('currency', '币种'),
            ('company_money_q', '本位币金额'), ('yf_lock', '应付锁定'),
            ('trade_date', '费用发生时间'), ('verify_status_text', '核销状态'),
            ('remark', '备注'), ('bill_no', '账单编号'), ('payment_order_number', '付款单号'),
        ),
        2: (
            ('number', '单号'), ('sub_number', '跟踪单号'), ('workorder_number', '工单号'),
            ('order_type_name', '单据类型'), ('providers_name', '物流商'),
            ('cost_name', '费用名称'), ('payable_cost_q', '应付原币金额'),
            ('currency', '应付原币币种'), ('company_money_q', '本位币金额%s'),
            ('yf_lock', '应付锁定'), ('business_date', '业务发生时间'),
            ('trade_date', '费用发生时间'), ('create_date', '操作时间'),
            ('verify_status_text', '核销状态'), ('remark', '备注'),
            ('bill_no', '账单编号'), ('payment_order_number', '付款单号'),
        ),
        3: (
            ('number', '单号'), ('order_status_text', '包裹状态'),
            ('providers_name', '物流商'), ('business_node_name', '费用业务节点'),
            ('cost_name', '费用名称'), ('detail_price', '计费单价'),
            ('charge_weight', '计费重'), ('quote_cost', '计费金额'),
            ('payable_cost_q', '实际应付金额'), ('quote_currency', '原币币种'),
            ('company_money_q', '计费本位币金额'), ('yf_lock', '应付锁定'),
            ('bill_no', '账单编号'), ('payment_order_number', '付款单号'),
            ('trade_date', '费用发生时间'), ('verify_status_text', '核销状态'),
            ('remark', '财务备注'), ('create_user_name', '操作人'), ('create_date', '录入时间'),
        ),
        4: (
            ('number', '订单号'), ('business_bill_no', '货代账单号'),
            ('providers_name', '物流商'), ('cost_name', '费用名称'),
            ('payable_cost_q', '金额'), ('currency', '币种'),
            ('company_money_q', '本位币金额'), ('department_name', '事业部'),
            ('yf_lock', '应付锁定'), ('trade_date', '费用发生时间'),
            ('verify_status_text', '核销状态'), ('business_node_name', '业务节点'),
            ('remark', '备注'), ('bill_no', '应付账单编号'),
            ('payment_order_number', '付款单号'),
        ),
        5: (
            ('order_type_name', '单据类型'), ('number', '订单号'), ('warehouse_name', '仓库'),
            ('business_node_name', '业务节点'), ('providers_name', '物流商'),
            ('cost_name', '费用名称'), ('payable_cost_q', '金额'), ('currency', '币种'),
            ('company_money_q', '本位币金额'), ('yf_lock', '应付锁定'),
            ('trade_date', '费用发生时间'), ('verify_status_text', '核销状态'),
            ('remark', '备注'), ('bill_no', '账单编号'), ('payment_order_number', '付款单号'),
        ),
        7: (
            ('number', '订单号'), ('ep_order_status_text', '订单状态'),
            ('business_node_name', '业务节点'), ('providers_name', '物流商'),
            ('cost_name', '费用名称'), ('detail_price', '计费单价'),
            ('charge_weight', '计费重'), ('quote_cost', '计费金额'),
            ('payable_cost_q', '实际应付金额'), ('quote_currency', '原币币种'),
            ('company_money_q', '本位币金额'), ('trade_date', '费用发生时间'),
            ('remark', '备注'), ('verify_status_text', '核销状态'),
            ('bill_no', '账单编号'), ('payment_order_number', '付款单号'),
            ('create_user_name', '操作人'), ('create_date', '录入时间'),
        ),
    }
    PAYABLE_AMOUNT_KEYS = frozenset((
        'detail_price', 'charge_weight', 'quote_cost', 'payable_cost_q', 'company_money_q',
    ))
    PAYMENT_FOLLOWUP_MONTHLY_COLUMNS = {
        'receivable_month': '应收月份',
        'unverified_amount': '未核销金额',
        'is_overdue': '是否逾期',
    }

    DESTINATION_TRAILER_COLUMNS = {
        'progress': (
            ('bl_number', '提单号'), ('container_code', '柜号'),
            ('container_type', '柜型'), ('warehouse_name', '仓库名称'),
            ('providers_name', '拖车行'), ('trailer_status', '提柜状态'),
            ('latest_remark', '最新操作备注'), ('is_direct_send', '直送'),
            ('cabinet_type', '整拼类型'), ('vessel_name', '船名航次'),
            ('route', '航线'), ('clearance_check', '清关查验'),
            ('etd', 'ETD'), ('atd', 'ATD'), ('eta', 'ETA'), ('ata', 'ATA'),
            ('loading_port', '起运港'), ('destination_port', '目的港'),
            ('wharf_name', '到港码头'), ('appt_time', 'APPT时间'),
            ('delivery_end_time', '卡车实际派送时间'),
            ('est_pickup_time', '预计提柜时间'),
            ('pickup_time', '实际提柜时间'), ('inbound_date', '到仓时间'),
            ('container_return_time', '还柜时间'),
            ('pickup_prescription', '提柜时效'),
            ('return_prescription', '还柜时效'),
            ('wharf_wait_time', '码头等待时间'),
            ('amazon_wait_time', '亚马逊等待时间'),
            ('bill_status', '应付费用状态'),
            ('issue_way', '出单方式'),
            ('release_status', '放货状态'),
            ('freight_collect', '海运费到付'),
            ('is_dg', 'DG'),
            ('is_soc', 'SOC'),
            ('is_oneway', 'ONEWAY'),
            ('appointment_method', '预约方式'),
            ('need_appointment_code', '是否需要预约码'),
            ('warehouse_special_remark', '仓库特殊备注'),
        ),
        'do': (
            ('trailer_number', '拖车单号'), ('outbound_number', '出库单号'),
            ('container_code', '柜号'), ('container_type', '柜型'),
            ('bl_number', '提单号'), ('is_direct_send', '是否直送'),
            ('original_do_file', '原DO单'), ('new_do_file', '新DO单'),
            ('email_subject', '邮件主题'), ('email_from', '邮件发送人'),
            ('received_at', '邮件接收时间'),
        ),
    }
    DESTINATION_TRAILER_FILE_KEYS = frozenset(('original_do_file', 'new_do_file'))
    DESTINATION_TRAILER_PROGRESS_STAGES = frozenset((
        '待安排拖车', '待提柜', '待还柜(海)', '已还柜(海)', '已提货(空)',
    ))
    ORDER_ABNORMAL_COLUMNS = (
        ('order_number', '订单号'), ('customer_name', '客户'),
        ('product_name', '物流产品'), ('abnormal_status', '问题件状态'),
        ('abnormal_type', '问题件类型'), ('abnormal_desc', '问题件描述'),
        ('outbound_status', '排舱单状态'), ('inbound_date', '入库时间'),
        ('marker_name', '标记人'),
    )
    ORDER_ABNORMAL_STATUSES = frozenset((
        '待处理', '放行待审核', '包裹放行', '退件待审核', '退件驳回', '已退件',
    ))
    GOODS_INFO_COLUMNS = (
        ('sku', 'SKU'), ('departure_country', '起运国'),
        ('destination_country', '目的国'), ('goods_attr', '商品属性'),
        ('cn_name', '中文名称'), ('en_name', '英文名称'),
        ('declaration_hscode', '报关编码'), ('clearance_hscode', '清关编码'),
        ('tax_rate', '税率'), ('is_inspection_fee', '木制/竹制品商检费'),
        ('is_fda_declaration', 'FDA申报'), ('product_surcharge', '产品附加费'),
        ('tax_surcharge', '关税附加费'), ('is_epa_declaration', 'EPA申报'),
        ('is_act_declaration', 'LACY ACT申报'), ('is_dot_declaration', 'DOT申报'),
        ('is_cpsc_declaration', 'CPSC申报'), ('brand_type', '品牌类型'),
        ('brand', '品牌'), ('goods_type', '型号'),
        ('material_cn', '材质（CN）'), ('material_en', '材质（EN）'),
        ('purpose_cn', '用途（CN）'), ('purpose_en', '用途（EN）'),
    )
    RECEIVE_VOLUME_COLUMNS = (
        ('order_number', '订单号'), ('customer_name', '客户名称'),
        ('packing_type', '货物类型'), ('inbound_volume', '入库体积'),
        ('inbound_date', '入库时间'), ('sales_name', '商务经理'),
        ('merchandiser_name', '客户经理'), ('department_name', '事业部'),
        ('product_name', '物流产品'),
    )
    CONTAINER_TIMELINESS_COLUMNS = (
        ('ship_company', '船公司'), ('bl_number', '提单号'),
        ('container_code', '柜号'), ('container_type', '柜型'),
        ('is_direct_send_name', '是否直送'), ('shipping_method', '运输方式'),
        ('route', '航线'), ('vessel_name', '航名航次'),
        ('wharf_name', '到港码头'), ('providers_name', '拖车行'),
        ('dt_status_name', '柜子状态'), ('warehouse_name', '交货仓库'),
        ('order_total', '件数'), ('total_volume', '体积'),
        ('total_weight', '重量'), ('loading_name', '起运港'),
        ('destination_name', '目的港'), ('delivery_address', '派送地址'),
        ('has_throw_off_name', '甩柜'), ('throw_off_time', '甩柜时间'),
        ('ed_check_name', '报关查验'), ('ed_check_time', '报关查验时间'),
        ('qg_check_name', '清关查验'), ('check_time', '清关查验时间'),
        ('in_inspection_site', '进查验场时间'),
        ('out_inspection_site', '出查验场时间'),
        ('is_close_area_name', '封闭区'), ('start_close_area', '进封闭区时间'),
        ('end_close_area', '出封闭区时间'), ('outbound_date', '出库时间'),
        ('export_release_time', '出口报关放行时间'),
        ('etd', '干线预计出发时间'), ('eta', '干线预计到达时间'),
        ('gxyjsx', '干线预计时效'), ('departure_time', '干线实际出发时间'),
        ('arrival_time', '干线实际到达时间'), ('gxsjsx', '干线实际时效'),
        ('hcsx', '航程时效'), ('start_clearance_time', '开始清关时间'),
        ('import_release_time', '海外清关放行时间'),
        ('wharf_wait_time', '码头等待时间'), ('pickup_time', '码头提柜时间'),
        ('second_pickup_time', '二次提柜时间'), ('tgsx', '提柜时效'),
        ('max_appointment_delivery_time', 'APPT时间'),
        ('delivery_end_time', '卡车实际派送时间'),
        ('oversea_warehouse_name', '海外仓库名称'),
        ('inbound_date', '到仓时间'), ('inbound_time', '海外仓入库时间'),
        ('container_return_date', '还空柜时间'), ('hksx', '还空时效'),
        ('amazon_wait_time', '亚马逊等待时间'),
        ('inner_remark', '内部备注'), ('financial_remark', '财务备注'),
    )

    OUTBOUND_DETAIL_SUMMARY = {
        'bl_number': '提单号',
        'container_code': '柜号',
        'container_type': '柜型',
        'total_volume': '总体积',
        'total_weight': '总重量',
        'total_pieces': '总件数',
        'sku': 'SKU',
        'buy_declaration_count': '买单报关数量',
        'general_declaration_count': '一般贸易报关数量',
        'must_load': '必装单量/体积',
        'backup_load': '备装单量/体积',
    }

    FIELD_LABELS = {
        'query_order_exact': {
            'order_number': '订单号',
            'order_numbers': '订单号',
            'reference_number': '客户参考号',
            'reference_numbers': '客户参考号',
            'tracking_number': '快递单号',
            'tracking_numbers': '快递单号',
            'outbound_number': '排舱单号',
            'outbound_numbers': '排舱单号',
            'container_code': '柜号',
            'container_codes': '柜号',
            'so_number': 'SO号',
            'so_numbers': 'SO号',
            'shipment_id': 'Shipment ID',
            'receiver_country': '收货国家',
            'product_ids': '物流产品',
            'customer_ids': '客户',
            'sales_id': '销售人员',
            'warehouse_ids': '仓库',
            'department_id': '事业部',
            'inbound_date_start': '入库开始日期',
            'inbound_date_end': '入库结束日期',
            'outbound_date_start': '出库开始日期',
            'outbound_date_end': '出库结束日期',
            'page': '页码',
            'limit': '每页数量',
        },
        'query_track': {
            'order_id': '订单ID',
            'order_number': '订单号',
            'tracking_number': '快递单号',
            'page': '页码',
            'limit': '每页数量',
        },
        'query_customs_declaration_files': {
            'outbound_numbers': '排舱单号',
            'order_numbers': '订单号',
            'page': '页码',
            'limit': '每页数量',
        },
        'query_outbound_list': {
            'outbound_numbers': '排舱单号',
            'order_numbers': '订单号',
            'container_codes': '柜号',
            'so_numbers': 'SO号',
            'bl_numbers': '提单号',
            'outbound_status': '排舱状态',
            'shipping_method': '运输方式',
            'warehouse_id': '集货仓库',
            'is_direct_send': '是否直送柜',
            'page': '页码',
            'limit': '每页数量',
        },
        'query_outbound_detail': {
            'outbound_number': '排舱单号',
            'page': '页码',
            'limit': '每页数量',
        },
        'query_order_detail': {
            'order_number': '订单号', 'section': '详情模块',
            'page': '页码', 'limit': '每页数量',
        },
        'list_order_filter_options': {
            'filter_type': '筛选项类型',
            'keyword': '关键词',
            'page': '页码',
            'limit': '每页数量',
        },
        'list_outbound_filter_options': {
            'filter_type': '筛选类别',
            'keyword': '显示名称',
            'page': '页码',
            'limit': '每页数量',
        },
        'list_pending_outbound_export_filter_options': {
            'filter_type': '筛选项类型',
            'product_type_id': '产品分类',
            'keyword': '关键词',
            'page': '页码',
            'limit': '每页数量',
        },
        'query_customer_list': {
            'customer_id': '客户名称',
            'department_id': '事业部',
            'sales_id': '商务经理',
            'merchandiser_id': '客户经理',
            'page': '页码',
            'limit': '每页数量',
        },
        'query_customer_payment_followup': {
            'customer_id': '客户名称',
            'department_id': '事业部',
            'sales_id': '商务经理',
            'merchandiser_id': '客户经理',
            'has_unverified_receivable_only': '只看有应收未核销费用的客户',
            'page': '页码',
            'limit': '每页数量',
        },
        'query_customer_unverified_bill_details': {
            'customer_id': '客户名称',
            'page': '页码',
            'limit': '每页数量',
        },
        'list_customer_filter_options': {
            'filter_type': '筛选项类型',
            'keyword': '关键词',
            'page': '页码',
            'limit': '每页数量',
        },
        'export_pending_outbound_orders': {
            'number': '单号',
            'product_type_id': '产品分类',
            'product_id': '物流产品',
            'order_warehouse_id': '集货仓库',
            'receiver_country': '目的国',
            'is_remove': '是否装柜剔除',
            'address': '派送地址',
            'inbound_date': '入库时间',
            'status': '订单状态',
            'merge_declare_number': '合并报关单号',
            'importer_id': '进口商',
            'packing_type': '货物类型',
            'is_battery': '带电属性',
            'is_magnetic': '带磁属性',
            'is_wood': '带木属性',
            'is_other': '其他商品属性',
            'is_fda': 'FDA产品属性',
            'is_toy': '玩具属性',
            'is_ultra_limit': '超长超重属性',
            'is_sensitive': '敏感货属性',
            'is_food': '食品属性',
            'no_property': '无属性',
        },
        'export_out_of_province_port_data': {
            'outbound_numbers': '排舱单号',
            'container_codes': '柜号',
            'bl_numbers': '提单号',
            'so_numbers': 'SO号',
            'file_type': '资料类型',
        },
        'export_pallet_data': {
            'container_codes': '柜号',
            'bl_numbers': '提单号',
            'inbound_time_start': '海外仓入库时间开始',
            'inbound_time_end': '海外仓入库时间结束',
        },
        'query_container_timeliness_list': {
            'container_codes': '柜号',
            'bl_numbers': '提单号',
            'departure_time_start': '干线实际出发时间开始',
            'departure_time_end': '干线实际出发时间结束',
            'page': '页码',
            'limit': '每页数量',
        },
        'export_container_timeliness_report': {
            'container_codes': '柜号',
            'bl_numbers': '提单号',
            'departure_time_start': '干线实际出发时间开始',
            'departure_time_end': '干线实际出发时间结束',
        },
        'export_receivable_cost_list': {
            'reference_numbers': '参考号',
            'tracking_numbers': '跟踪号',
            'order_numbers': '订单号',
            'bill_numbers': '账单编号',
            'business_date_start': '业务发生开始日期',
            'business_date_end': '业务发生结束日期',
            'customer_id': '主客户',
            'sub_customer_id': '子客户',
            'billing_status': '出账状态',
            'verification_status': '核销状态',
            'document_type': '单据类型',
            'cost_type_id': '费用项',
        },
        'query_export_task': {
            'task_ref': '导出任务引用',
        },
        'query_freightower_track': {
            'bl_number': '提单号',
            'container_code': '柜号',
        },
    }

    ERROR_MESSAGES = {
        'MCP_1101': '设备配置已失效，请重新生成配置',
        'MCP_1102': '设备会话已过期，请重新连接',
        'MCP_1103': '员工账号不可用，请联系管理员',
        'MCP_1104': '身份信息已失效，请重新登录或重新生成设备配置',
        'MCP_1201': '工具当前不可用',
        'MCP_1202': '工具当前不可用',
        'MCP_1301': '没有权限使用此工具',
        'MCP_1501': '目标数据不可用',
        'MCP_1502': '结果过多，请缩小查询范围',
        'MCP_1601': '没有可导出的数据',
        'MCP_9001': '工具调用失败，请稍后重试',
    }
    TAX_TRIAL_MESSAGES = frozenset((
        '未找到已审核商品',
        '匹配到多条商品，请核对起运国和目的国',
        '该商品没有应收清关编码，无法试算',
        '关税试算失败，请稍后重试',
    ))

    NON_RETRYABLE_CODES = frozenset((
        'MCP_1101',
        'MCP_1102',
        'MCP_1103',
        'MCP_1104',
        'MCP_1201',
        'MCP_1202',
        'MCP_1301',
        'MCP_1401',
        'MCP_1501',
        'MCP_1502',
        'MCP_1601',
    ))

    def handles(self, tool_name):
        return isinstance(tool_name, str) and tool_name in self.SAFE_TOOLS

    # Convert a backend envelope into text and structured display data.
    def present(self, tool_name, tool_result):
        if not self.handles(tool_name) or not isinstance(tool_result, dict):
            return self._format_error()

        code = str(tool_result.get('code') or '').strip()
        meta = self._build_meta(tool_result.get('meta'))
        if code not in ('MCP_0000', '0'):
            return self._business_error(
                tool_name,
                code or 'MCP_9001',
                tool_result.get('msg'),
                meta,
            )

        data = tool_result.get('data')
        if not isinstance(data, dict):
            return self._format_error(meta)

        if tool_name in self.DETAIL_TOOLS:
            return self._present_outbound_detail(
                tool_name,
                data,
                tool_result.get('meta'),
                meta,
            )
        if tool_name in self.ORDER_DETAIL_TOOLS:
            return self._present_order_detail(data, tool_result.get('meta'), meta)
        if tool_name in self.PAYMENT_FOLLOWUP_TOOLS:
            return self._present_customer_payment_followup(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.PAYMENT_DETAIL_TOOLS:
            return self._present_customer_unverified_bill_details(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.PAYMENT_RECORD_TOOLS:
            return self._present_customer_payment_records(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.RECEIVABLE_COST_TOOLS:
            return self._present_order_receivable_cost_details(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.RECEIVABLE_LIST_TOOLS:
            return self._present_receivable_cost_list(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.RECEIVABLE_FILTER_TOOLS:
            return self._present_receivable_cost_filter_options(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.PAYABLE_COST_TOOLS:
            return self._present_payable_cost_list(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.PAYABLE_FILTER_TOOLS:
            return self._present_receivable_cost_filter_options(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.DESTINATION_TRAILER_TOOLS:
            return self._present_destination_trailer_list(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.ARRANGE_TRAILER_TOOLS:
            return self._present_arrange_destination_trailer(data, meta)
        if tool_name in self.ORDER_ABNORMAL_TOOLS:
            return self._present_order_abnormal_list(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.RECEIVE_VOLUME_TOOLS:
            return self._present_receive_volume_list(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.GOODS_INFO_TOOLS:
            return self._present_goods_info(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.GOODS_TAX_TOOLS:
            return self._present_goods_tax(data, meta)
        if tool_name in self.CONTAINER_TIMELINESS_TOOLS:
            return self._present_container_timeliness_list(
                data, tool_result.get('meta'), meta
            )
        if tool_name in self.INBOUND_RECEIPT_TOOLS:
            return self._present_inbound_receipt_templates(data, meta)
        if tool_name in self.FREIGHTOWER_TRACK_TOOLS:
            return self._present_freightower_track(data, meta)
        if tool_name in self.TABLE_TOOLS:
            return self._present_table(
                tool_name,
                data,
                tool_result.get('meta'),
                meta,
            )
        if tool_name in self.OPTION_TOOLS:
            if tool_name == 'list_customer_filter_options':
                return self._present_customer_options(
                    data, tool_result.get('meta'), meta
                )
            return self._present_options(data, tool_result.get('meta'), meta)
        if tool_name in self.EXPORT_TOOLS:
            return self._present_export_submission(data, meta)
        if tool_name in self.PAYABLE_EXPORT_TOOLS:
            return self._present_export_submission(data, meta)
        return self._present_export_task(data, meta)

    def _present_order_detail(self, data, raw_meta, meta):
        if set(data) != {'section', 'order_number', 'payload'}:
            return self._format_error(meta)
        section = data.get('section')
        order_number = data.get('order_number')
        payload = data.get('payload')
        if (
            section not in self.ORDER_DETAIL_SECTIONS
            or not isinstance(order_number, str) or not order_number.strip()
            or not isinstance(payload, dict)
        ):
            return self._format_error(meta)
        content = {
            '订单号': order_number.strip(),
            '详情模块': self.ORDER_DETAIL_SECTIONS[section],
        }
        if section == 'all':
            all_content = self._present_order_detail_all(payload)
            if all_content is None:
                return self._format_error(meta)
            content.update(all_content)
        elif section == 'overview':
            expected = {
                'status_nodes', 'order_info', 'freight_info',
                'package_summary', 'trader_info',
            }
            if set(payload) != expected or not isinstance(payload['status_nodes'], list):
                return self._format_error(meta)
            nodes = []
            for row in payload['status_nodes']:
                translated = self._translate_exact(row, self.ORDER_DETAIL_STATUS_FIELDS)
                if translated is None:
                    return self._format_error(meta)
                state = row.get('state')
                time_kind = row.get('time_kind')
                if state not in self.ORDER_DETAIL_STATES or time_kind not in self.ORDER_DETAIL_TIME_KINDS:
                    return self._format_error(meta)
                translated['状态'] = self.ORDER_DETAIL_STATES[state]
                translated['时间类型'] = self.ORDER_DETAIL_TIME_KINDS[time_kind]
                nodes.append(translated)
            content['状态节点'] = nodes
            for raw_key, chinese_key in (
                ('order_info', '订单信息'), ('freight_info', '货运信息'),
                ('package_summary', '箱单汇总'), ('trader_info', '进出口商'),
            ):
                translated = self._translate_exact(
                    payload.get(raw_key),
                    self.ORDER_DETAIL_FIELDS['overview'][raw_key],
                )
                if translated is None:
                    return self._format_error(meta)
                content[chinese_key] = translated
        elif section == 'inbound':
            if set(payload) != {'summary', 'records'}:
                return self._format_error(meta)
            summary = self._translate_exact(
                payload.get('summary'), self.ORDER_DETAIL_FIELDS['inbound_summary']
            )
            records = self._translate_order_detail_rows(section, payload.get('records'))
            if summary is None or records is None:
                return self._format_error(meta)
            content['入库概况'] = summary
            content['明细'] = records
            pagination = self._order_detail_pagination(raw_meta)
            if pagination is None:
                return self._format_error(meta)
            content['分页'] = pagination
        elif section == 'delivery':
            if set(payload) != {'summary', 'records'}:
                return self._format_error(meta)
            summary = self._translate_exact(
                payload.get('summary'), self.ORDER_DETAIL_FIELDS['delivery_summary']
            )
            records = self._translate_order_detail_rows(section, payload.get('records'))
            if summary is None or records is None:
                return self._format_error(meta)
            content['派送汇总'] = summary
            content['明细'] = records
            pagination = self._order_detail_pagination(raw_meta)
            if pagination is None:
                return self._format_error(meta)
            content['分页'] = pagination
        else:
            if set(payload) != {'records'}:
                return self._format_error(meta)
            records = self._translate_order_detail_rows(section, payload.get('records'))
            pagination = self._order_detail_pagination(raw_meta)
            if records is None or pagination is None:
                return self._format_error(meta)
            content['明细'] = records
            content['分页'] = pagination
        text = json.dumps(content, ensure_ascii=False, indent=2)
        return self._success_result(content, text, meta)

    def _present_order_detail_all(self, payload):
        expected_sections = set(self.ORDER_DETAIL_SECTIONS) - {'all'}
        if set(payload) != expected_sections:
            return None

        overview = payload.get('overview')
        if not isinstance(overview, dict) or set(overview) != {
            'status_nodes', 'order_info', 'freight_info', 'package_summary', 'trader_info',
        } or not isinstance(overview['status_nodes'], list):
            return None
        overview_content = {'状态节点': []}
        for row in overview['status_nodes']:
            translated = self._translate_exact(row, self.ORDER_DETAIL_STATUS_FIELDS)
            if translated is None:
                return None
            state = row.get('state')
            time_kind = row.get('time_kind')
            if state not in self.ORDER_DETAIL_STATES or time_kind not in self.ORDER_DETAIL_TIME_KINDS:
                return None
            translated['状态'] = self.ORDER_DETAIL_STATES[state]
            translated['时间类型'] = self.ORDER_DETAIL_TIME_KINDS[time_kind]
            overview_content['状态节点'].append(translated)
        for raw_key, chinese_key in (
            ('order_info', '订单信息'), ('freight_info', '货运信息'),
            ('package_summary', '箱单汇总'), ('trader_info', '进出口商'),
        ):
            translated = self._translate_exact(
                overview.get(raw_key), self.ORDER_DETAIL_FIELDS['overview'][raw_key]
            )
            if translated is None:
                return None
            overview_content[chinese_key] = translated

        result = {'订单概览': overview_content}
        for section, label in self.ORDER_DETAIL_SECTIONS.items():
            if section in ('overview', 'all'):
                continue
            translated = self._present_order_detail_all_section(section, payload.get(section))
            if translated is None:
                return None
            result[label] = translated
        return result

    def _present_order_detail_all_section(self, section, payload):
        if not isinstance(payload, dict) or 'pagination' not in payload:
            return None
        pagination = self._order_detail_pagination(payload.get('pagination'))
        if pagination is None:
            return None
        if section == 'inbound':
            if set(payload) != {'summary', 'records', 'pagination'}:
                return None
            summary = self._translate_exact(
                payload.get('summary'), self.ORDER_DETAIL_FIELDS['inbound_summary']
            )
            records = self._translate_order_detail_rows(section, payload.get('records'))
            if summary is None or records is None:
                return None
            return {'入库概况': summary, '明细': records, '分页': pagination}
        if section == 'delivery':
            if set(payload) != {'summary', 'records', 'pagination'}:
                return None
            summary = self._translate_exact(
                payload.get('summary'), self.ORDER_DETAIL_FIELDS['delivery_summary']
            )
            records = self._translate_order_detail_rows(section, payload.get('records'))
            if summary is None or records is None:
                return None
            return {'派送汇总': summary, '明细': records, '分页': pagination}
        if set(payload) != {'records', 'pagination'}:
            return None
        records = self._translate_order_detail_rows(section, payload.get('records'))
        if records is None:
            return None
        return {'明细': records, '分页': pagination}

    def _translate_order_detail_rows(self, section, records):
        if not isinstance(records, list):
            return None
        mapping = self.ORDER_DETAIL_FIELDS.get(section)
        if not isinstance(mapping, dict):
            return None
        translated_rows = []
        for row in records:
            translated = self._translate_exact(row, mapping)
            if translated is None:
                return None
            if section == 'inbound':
                mode = row.get('weight_mode')
                if mode not in ('single_box', 'total'):
                    return None
                translated[
                    '单箱入库重量' if mode == 'single_box' else '总重量KG'
                ] = row.get('weight', '')
            translated_rows.append(translated)
        return translated_rows

    @staticmethod
    def _translate_exact(value, mapping):
        if not isinstance(value, dict) or set(value) != set(mapping):
            return None
        result = {}
        for key, label in mapping.items():
            if label is None:
                continue
            item = value.get(key, '')
            if isinstance(item, (dict, list)):
                return None
            result[label] = '' if item is None else item
        return result

    @staticmethod
    def _order_detail_pagination(raw_meta):
        if not isinstance(raw_meta, dict):
            return None
        if not all(key in raw_meta for key in ('page', 'limit', 'has_more')):
            return None
        page = raw_meta.get('page')
        limit = raw_meta.get('limit')
        has_more = raw_meta.get('has_more')
        if isinstance(page, bool) or not isinstance(page, int) or page < 1:
            return None
        if isinstance(limit, bool) or not isinstance(limit, int) or limit < 1:
            return None
        if not isinstance(has_more, bool):
            return None
        return {'页码': page, '每页数量': limit, '是否还有更多': has_more}

    # Map local tool exceptions without exposing internal error details.
    def present_exception(self, tool_name, exception):
        if not self.handles(tool_name):
            return self._format_error()

        message = str(exception or '').strip()
        if isinstance(exception, ValueError):
            label = self._find_field_label(tool_name, message)
            return self._error_result(
                'MCP_1401',
                self._parameter_message(label),
                False,
            )
        if message == DEVICE_INVALID_MESSAGE:
            return self._error_result('MCP_1101', DEVICE_INVALID_MESSAGE, False)
        if message.lower().startswith('tool disabled'):
            return self._error_result('MCP_1202', '工具当前不可用', False)
        return self._error_result(
            'MCP_9001',
            '工具调用失败，请稍后重试',
            True,
        )

    def _present_table(self, tool_name, data, raw_meta, meta):
        columns = data.get('columns')
        records = data.get('records')
        if not isinstance(columns, list) or not columns or not isinstance(records, list):
            return self._format_error(meta)

        allowed_columns = self.TABLE_COLUMNS.get(tool_name)
        if not isinstance(allowed_columns, dict):
            return self._format_error(meta)

        if tool_name == 'query_customer_list':
            expected = list(allowed_columns.keys())
            actual = [
                column.get('key') if isinstance(column, dict) else None
                for column in columns
            ]
            if actual != expected or self._customer_pagination(raw_meta) is None:
                return self._format_error(meta)

        headers = []
        keys = []
        for column in columns:
            if not isinstance(column, dict):
                return self._format_error(meta)
            key = column.get('key')
            label = column.get('name')
            if not isinstance(key, str) or not key.strip():
                return self._format_error(meta)
            if not isinstance(label, str) or not label.strip():
                return self._format_error(meta)
            key = key.strip()
            definition = allowed_columns.get(key)
            if not isinstance(definition, tuple) or not definition:
                return self._format_error(meta)
            keys.append(key)
            header = {'label': definition[0]}
            if len(definition) > 1:
                header['description'] = definition[1]
            headers.append(header)

        rows = []
        for record in records:
            if not isinstance(record, dict):
                return self._format_error(meta)
            if tool_name == 'query_customer_list' and set(record) != set(keys):
                return self._format_error(meta)
            row = []
            for key in keys:
                value = '' if record.get(key) is None else record.get(key, '')
                if tool_name == 'query_customer_list' and key == 'billing_modes':
                    value = self._customer_billing_modes(value)
                    if value is None:
                        return self._format_error(meta)
                elif tool_name == 'query_customer_list' and isinstance(value, (dict, list)):
                    return self._format_error(meta)
                row.append(value)
            rows.append(row)

        content = {
            'summary': self._safe_text(data.get('summary')),
            'headers': headers,
            'rows': rows,
        }
        if tool_name == 'query_customer_list':
            content['display_rules'] = {
                'mode': 'complete',
                'allow_summary': False,
                'allow_omit_records': False,
                'allow_omit_empty_fields': False,
                'allow_rename_fields': False,
                'preserve_record_order': True,
                'required_field_count': len(headers),
                'returned_record_count': len(rows),
                'required_value_count': len(headers) * len(rows),
                'instruction': '最终回复必须逐条展示全部记录及全部17个字段，不得摘要、省略或改写',
            }
        tips = self._safe_tips(data.get('tips'))
        if tips:
            content['tips'] = tips
        pagination = self._build_pagination(raw_meta)
        if pagination:
            content['pagination'] = pagination
        return self._success_result(
            content,
            self._render_table(
                content,
                require_complete=tool_name == 'query_customer_list',
            ),
            meta,
        )

    def _present_customer_payment_followup(self, data, raw_meta, meta):
        if set(data) != {'columns', 'records'}:
            return self._format_error(meta)
        columns = data.get('columns')
        records = data.get('records')
        pagination = self._customer_pagination(raw_meta)
        expected_keys = list(self.PAYMENT_FOLLOWUP_COLUMNS)
        if not isinstance(columns, list) or not isinstance(records, list):
            return self._format_error(meta)
        actual_keys = []
        for column in columns:
            if (
                not isinstance(column, dict)
                or set(column) != {'key', 'name'}
                or not isinstance(column.get('key'), str)
                or not isinstance(column.get('name'), str)
                or not column.get('name').strip()
            ):
                return self._format_error(meta)
            actual_keys.append(column['key'])
        if actual_keys != expected_keys or pagination is None:
            return self._format_error(meta)

        amount_keys = {
            'billed_unverified_amount', 'unbilled_amount',
            'overdue_unpaid_amount', 'billed_unverified_amount_cny',
            'unbilled_amount_cny', 'overdue_unpaid_amount_cny',
            'receipt_unverified_amount', 'current_balance',
            'credit_limit', 'bad_debt_total',
        }
        text_keys = {'customer_name', 'settlement_currency', 'contract_status'}
        rows = []
        for record in records:
            if not isinstance(record, dict) or set(record) != set(expected_keys):
                return self._format_error(meta)
            row = []
            for key in expected_keys:
                value = record[key]
                if key in amount_keys:
                    if (
                        isinstance(value, bool)
                        or not isinstance(value, (int, float))
                        or not math.isfinite(float(value))
                    ):
                        return self._format_error(meta)
                elif key in text_keys:
                    if not isinstance(value, str):
                        return self._format_error(meta)
                else:
                    value = self._payment_followup_monthly_summaries(value)
                    if value is None:
                        return self._format_error(meta)
                row.append(value)
            rows.append(row)

        headers = [
            {'label': self.PAYMENT_FOLLOWUP_COLUMNS[key]}
            for key in expected_keys
        ]
        content = {
            'headers': headers,
            'rows': rows,
            'pagination': pagination,
            'display_rules': {
                'mode': 'complete',
                'allow_summary': False,
                'allow_omit_records': False,
                'allow_omit_empty_fields': False,
                'allow_rename_fields': False,
                'preserve_record_order': True,
                'required_field_count': len(headers),
                'returned_record_count': len(rows),
                'required_value_count': len(headers) * len(rows),
                'instruction': '最终回复必须逐条展示全部客户、全部字段和全部未回款月份汇总',
            },
        }
        return self._success_result(
            content,
            self._render_table(content, require_complete=True),
            meta,
        )

    def _payment_followup_monthly_summaries(self, summaries):
        if not isinstance(summaries, list):
            return None
        expected = set(self.PAYMENT_FOLLOWUP_MONTHLY_COLUMNS)
        translated = []
        for summary in summaries:
            if not isinstance(summary, dict) or set(summary) != expected:
                return None
            amount = summary.get('unverified_amount')
            if (
                isinstance(amount, bool)
                or not isinstance(amount, (int, float))
                or not math.isfinite(float(amount))
            ):
                return None
            if (
                not isinstance(summary.get('receivable_month'), str)
                or not isinstance(summary.get('is_overdue'), bool)
            ):
                return None
            item = {}
            for key, label in self.PAYMENT_FOLLOWUP_MONTHLY_COLUMNS.items():
                value = summary[key]
                item[label] = value
            translated.append(item)
        return translated

    def _present_customer_unverified_bill_details(self, data, raw_meta, meta):
        if set(data) != {'columns', 'records'}:
            return self._format_error(meta)
        columns = data.get('columns')
        records = data.get('records')
        pagination = self._customer_pagination(raw_meta)
        expected_keys = list(self.PAYMENT_FOLLOWUP_DETAIL_COLUMNS)
        if not isinstance(columns, list) or not isinstance(records, list):
            return self._format_error(meta)
        actual_keys = []
        for column in columns:
            if (
                not isinstance(column, dict)
                or set(column) != {'key', 'name'}
                or not isinstance(column.get('key'), str)
                or not isinstance(column.get('name'), str)
                or not column.get('name').strip()
            ):
                return self._format_error(meta)
            actual_keys.append(column['key'])
        if actual_keys != expected_keys or pagination is None:
            return self._format_error(meta)

        translated = self._payment_followup_details(records)
        if translated is None:
            return self._format_error(meta)
        headers = [
            {'label': self.PAYMENT_FOLLOWUP_DETAIL_COLUMNS[key]}
            for key in expected_keys
        ]
        rows = [[item[header['label']] for header in headers] for item in translated]
        content = {'headers': headers, 'rows': rows, 'pagination': pagination}
        return self._success_result(content, self._render_table(content), meta)

    def _payment_followup_details(self, details):
        expected = set(self.PAYMENT_FOLLOWUP_DETAIL_COLUMNS)
        translated = []
        for detail in details:
            if not isinstance(detail, dict) or set(detail) != expected:
                return None
            amount = detail.get('unverified_amount')
            if (
                isinstance(amount, bool)
                or not isinstance(amount, (int, float))
                or not math.isfinite(float(amount))
            ):
                return None
            item = {}
            for key, label in self.PAYMENT_FOLLOWUP_DETAIL_COLUMNS.items():
                value = detail[key]
                if key != 'unverified_amount' and not isinstance(value, str):
                    return None
                item[label] = value
            translated.append(item)
        return translated

    def _present_customer_payment_records(self, data, raw_meta, meta):
        if set(data) != {'columns', 'records'}:
            return self._format_error(meta)
        columns = data.get('columns')
        records = data.get('records')
        pagination = self._customer_pagination(raw_meta)
        expected_keys = list(self.PAYMENT_RECORD_COLUMNS)
        if not isinstance(columns, list) or not isinstance(records, list):
            return self._format_error(meta)
        actual_keys = []
        for column in columns:
            if (
                not isinstance(column, dict)
                or set(column) != {'key', 'name'}
                or not isinstance(column.get('key'), str)
                or not isinstance(column.get('name'), str)
                or not column.get('name').strip()
            ):
                return self._format_error(meta)
            actual_keys.append(column['key'])
        if actual_keys != expected_keys or pagination is None:
            return self._format_error(meta)

        amount_keys = {
            'original_received_amount', 'actual_received_amount',
            'verified_amount', 'unverified_amount',
        }
        rows = []
        for record in records:
            if not isinstance(record, dict) or set(record) != set(expected_keys):
                return self._format_error(meta)
            row = []
            for key in expected_keys:
                value = record[key]
                if key in amount_keys:
                    if (
                        isinstance(value, bool)
                        or not isinstance(value, (int, float))
                        or not math.isfinite(float(value))
                    ):
                        return self._format_error(meta)
                elif not isinstance(value, str):
                    return self._format_error(meta)
                row.append(value)
            rows.append(row)

        headers = [
            {'label': self.PAYMENT_RECORD_COLUMNS[key]}
            for key in expected_keys
        ]
        content = {'headers': headers, 'rows': rows, 'pagination': pagination}
        return self._success_result(content, self._render_table(content), meta)

    def _present_order_receivable_cost_details(self, data, raw_meta, meta):
        if set(data) != {'summary', 'columns', 'records'}:
            return self._format_error(meta)
        columns = data.get('columns')
        records = data.get('records')
        summary = data.get('summary')
        pagination = self._customer_pagination(raw_meta)
        expected_keys = list(self.RECEIVABLE_COST_COLUMNS)
        expected_summary = list(self.RECEIVABLE_COST_SUMMARY)
        if (
            not isinstance(columns, list)
            or not isinstance(records, list)
            or not isinstance(summary, dict)
            or set(summary) != set(expected_summary)
        ):
            return self._format_error(meta)
        actual_keys = []
        for column in columns:
            if (
                not isinstance(column, dict)
                or set(column) != {'key', 'name'}
                or not isinstance(column.get('key'), str)
                or not isinstance(column.get('name'), str)
                or not column.get('name').strip()
            ):
                return self._format_error(meta)
            actual_keys.append(column['key'])
        if actual_keys != expected_keys or pagination is None:
            return self._format_error(meta)

        summary_row = []
        for key in expected_summary:
            value = summary[key]
            if (
                isinstance(value, bool)
                or not isinstance(value, (int, float))
                or not math.isfinite(float(value))
            ):
                return self._format_error(meta)
            summary_row.append(value)

        numeric_keys = {
            'charge_weight', 'unit_price', 'receivable_original_amount',
            'receivable_amount_cny', 'settlement_amount_cny',
        }
        rows = []
        for record in records:
            if not isinstance(record, dict) or set(record) != set(expected_keys):
                return self._format_error(meta)
            row = []
            for key in expected_keys:
                value = record[key]
                if key in numeric_keys:
                    if (
                        isinstance(value, bool)
                        or not isinstance(value, (int, float))
                        or not math.isfinite(float(value))
                    ):
                        return self._format_error(meta)
                elif not isinstance(value, str):
                    return self._format_error(meta)
                row.append(value)
            rows.append(row)

        headers = [
            {'label': self.RECEIVABLE_COST_COLUMNS[key]}
            for key in expected_keys
        ]
        content = {
            'summary': {
                'headers': [
                    {'label': self.RECEIVABLE_COST_SUMMARY[key]}
                    for key in expected_summary
                ],
                'row': summary_row,
            },
            'headers': headers,
            'rows': rows,
            'pagination': pagination,
        }
        return self._success_result(
            content, self._render_order_receivable_cost_details(content), meta
        )

    @classmethod
    def _render_order_receivable_cost_details(cls, content):
        lines = ['订单汇总：']
        summary = content['summary']
        for header, value in zip(summary['headers'], summary['row']):
            lines.append('- {0}: {1}'.format(header['label'], value))
        lines.append('费用明细：')
        lines.append(cls._render_table({
            'headers': content['headers'],
            'rows': content['rows'],
        }))
        return '\n'.join(lines)

    def _present_receivable_cost_list(self, data, raw_meta, meta):
        if set(data) != {'columns', 'records'}:
            return self._format_error(meta)
        columns = data.get('columns')
        records = data.get('records')
        pagination = self._customer_pagination(raw_meta)
        expected_keys = list(self.RECEIVABLE_LIST_COLUMNS)
        if (
            not isinstance(columns, list)
            or not isinstance(records, list)
            or len(columns) != len(expected_keys)
            or pagination is None
        ):
            return self._format_error(meta)
        for column, key in zip(columns, expected_keys):
            if column != {
                'key': key,
                'name': self.RECEIVABLE_LIST_COLUMNS[key],
            }:
                return self._format_error(meta)

        amount_keys = {
            'original_amount', 'total_amount', 'billed_amount', 'unbilled_amount',
        }
        rows = []
        for record in records:
            if not isinstance(record, dict) or set(record) != set(expected_keys):
                return self._format_error(meta)
            row = []
            for key in expected_keys:
                value = record[key]
                if key in amount_keys:
                    if not self._valid_amount_cell(value):
                        return self._format_error(meta)
                elif not isinstance(value, str):
                    return self._format_error(meta)
                row.append(value)
            rows.append(row)
        headers = [
            {'label': self.RECEIVABLE_LIST_COLUMNS[key]}
            for key in expected_keys
        ]
        content = {'headers': headers, 'rows': rows, 'pagination': pagination}
        return self._success_result(content, self._render_table(content), meta)

    def _present_payable_cost_list(self, data, raw_meta, meta):
        if set(data) != {'business_type', 'company_currency', 'columns', 'records'}:
            return self._format_error(meta)
        business_type = data.get('business_type')
        company_currency = data.get('company_currency')
        if (
            isinstance(business_type, bool)
            or not isinstance(business_type, int)
            or business_type not in self.PAYABLE_COST_COLUMNS
            or not isinstance(company_currency, str)
            or not company_currency.strip()
        ):
            return self._format_error(meta)
        pagination = self._customer_pagination(raw_meta)
        columns = data.get('columns')
        records = data.get('records')
        expected = list(self.PAYABLE_COST_COLUMNS[business_type])
        if business_type == 2:
            expected = [
                (key, name.replace('%s', company_currency.strip().upper()))
                for key, name in expected
            ]
        if (
            not isinstance(columns, list)
            or not isinstance(records, list)
            or len(columns) != len(expected)
            or pagination is None
        ):
            return self._format_error(meta)
        for column, (key, name) in zip(columns, expected):
            if column != {'key': key, 'name': name}:
                return self._format_error(meta)
        rows = []
        expected_keys = [key for key, _ in expected]
        for record in records:
            if not isinstance(record, dict) or set(record) != set(expected_keys):
                return self._format_error(meta)
            row = []
            for key in expected_keys:
                value = record[key]
                if key in self.PAYABLE_AMOUNT_KEYS:
                    if (
                        isinstance(value, bool)
                        or not isinstance(value, (int, float))
                        or not math.isfinite(float(value))
                    ):
                        return self._format_error(meta)
                elif not isinstance(value, str):
                    return self._format_error(meta)
                row.append(value)
            rows.append(row)
        headers = [{'label': name} for _, name in expected]
        content = {
            'business_type': business_type,
            'headers': headers,
            'rows': rows,
            'pagination': pagination,
        }
        return self._success_result(content, self._render_table(content), meta)

    def _present_arrange_destination_trailer(self, data, meta):
        expected = ('trailer_number', 'bl_number', 'container_code')
        if set(data) != set(expected):
            return self._format_error(meta)
        for key in expected:
            if not isinstance(data.get(key), str):
                return self._format_error(meta)
        content = {
            '拖车单号': data['trailer_number'],
            '提单号': data['bl_number'],
            '柜号': data['container_code'],
        }
        text = '拖车单号：{0}；提单号：{1}；柜号：{2}'.format(
            data['trailer_number'], data['bl_number'], data['container_code']
        )
        return self._success_result(content, text, meta)

    def _present_destination_trailer_list(self, data, raw_meta, meta):
        if set(data) != {'trailer_stage', 'columns', 'records'}:
            return self._format_error(meta)
        trailer_stage = data.get('trailer_stage')
        if trailer_stage == 'DO单制作':
            expected = list(self.DESTINATION_TRAILER_COLUMNS['do'])
        elif trailer_stage in self.DESTINATION_TRAILER_PROGRESS_STAGES:
            expected = list(self.DESTINATION_TRAILER_COLUMNS['progress'])
        else:
            return self._format_error(meta)
        pagination = self._customer_pagination(raw_meta)
        columns = data.get('columns')
        records = data.get('records')
        if (
            not isinstance(columns, list)
            or not isinstance(records, list)
            or len(columns) != len(expected)
            or pagination is None
        ):
            return self._format_error(meta)
        for column, (key, name) in zip(columns, expected):
            if column != {'key': key, 'name': name}:
                return self._format_error(meta)
        rows = []
        expected_keys = [key for key, _ in expected]
        for record in records:
            if not isinstance(record, dict) or set(record) != set(expected_keys):
                return self._format_error(meta)
            row = []
            for key in expected_keys:
                value = record[key]
                if key in self.DESTINATION_TRAILER_FILE_KEYS:
                    if value != '' and not self._valid_http_url(value):
                        return self._format_error(meta)
                elif not isinstance(value, str):
                    return self._format_error(meta)
                row.append(value)
            rows.append(row)
        headers = [{'label': name} for _, name in expected]
        content = {
            'trailer_stage': trailer_stage,
            'headers': headers,
            'rows': rows,
            'pagination': pagination,
        }
        return self._success_result(content, self._render_table(content), meta)

    def _present_order_abnormal_list(self, data, raw_meta, meta):
        if set(data) != {'abnormal_status', 'columns', 'records'}:
            return self._format_error(meta)
        abnormal_status = data.get('abnormal_status')
        if abnormal_status not in self.ORDER_ABNORMAL_STATUSES:
            return self._format_error(meta)
        expected = list(self.ORDER_ABNORMAL_COLUMNS)
        pagination = self._customer_pagination(raw_meta)
        columns = data.get('columns')
        records = data.get('records')
        if (
            not isinstance(columns, list)
            or not isinstance(records, list)
            or len(columns) != len(expected)
            or pagination is None
        ):
            return self._format_error(meta)
        for column, (key, name) in zip(columns, expected):
            if column != {'key': key, 'name': name}:
                return self._format_error(meta)
        rows = []
        expected_keys = [key for key, _ in expected]
        for record in records:
            if not isinstance(record, dict) or set(record) != set(expected_keys):
                return self._format_error(meta)
            row = []
            for key in expected_keys:
                value = record[key]
                if not isinstance(value, str):
                    return self._format_error(meta)
                row.append(value)
            rows.append(row)
        headers = [{'label': name} for _, name in expected]
        content = {
            'abnormal_status': abnormal_status,
            'headers': headers,
            'rows': rows,
            'pagination': pagination,
        }
        return self._success_result(content, self._render_table(content), meta)

    def _present_goods_tax(self, data, meta):
        expected = {
            'estimated_tax', 'sku', 'departure_country', 'destination_country',
        }
        if set(data) != expected:
            return self._format_error(meta)
        amount = data.get('estimated_tax')
        sku = data.get('sku')
        departure = data.get('departure_country')
        destination = data.get('destination_country')
        if (
            isinstance(amount, bool) or not isinstance(amount, (int, float))
            or not math.isfinite(float(amount))
            or not isinstance(sku, str) or not sku.strip()
            or not self._country_code(departure)
            or not self._country_code(destination)
        ):
            return self._format_error(meta)
        content = {
            'estimated_tax': amount,
            'sku': sku,
            'departure_country': departure,
            'destination_country': destination,
        }
        text = '预计关税金额: {0}'.format(amount)
        return self._success_result(content, text, meta)

    @staticmethod
    def _country_code(value):
        return (
            isinstance(value, str)
            and value.isalpha()
            and value.isupper()
            and 2 <= len(value) <= 3
        )

    def _present_goods_info(self, data, raw_meta, meta):
        if set(data) != {'columns', 'records'}:
            return self._format_error(meta)
        expected = list(self.GOODS_INFO_COLUMNS)
        pagination = self._customer_pagination(raw_meta)
        columns = data.get('columns')
        records = data.get('records')
        if (
            not isinstance(columns, list)
            or not isinstance(records, list)
            or len(columns) != len(expected)
            or pagination is None
        ):
            return self._format_error(meta)
        for column, (key, name) in zip(columns, expected):
            if column != {'key': key, 'name': name}:
                return self._format_error(meta)
        rows = []
        expected_keys = [key for key, _ in expected]
        for record in records:
            if not isinstance(record, dict) or set(record) != set(expected_keys):
                return self._format_error(meta)
            row = []
            for key in expected_keys:
                value = record[key]
                if not isinstance(value, str):
                    return self._format_error(meta)
                row.append(value)
            rows.append(row)
        headers = [{'label': name} for _, name in expected]
        content = {
            'headers': headers,
            'rows': rows,
            'pagination': pagination,
        }
        return self._success_result(content, self._render_table(content), meta)

    def _present_receive_volume_list(self, data, raw_meta, meta):
        if set(data) != {'columns', 'records'}:
            return self._format_error(meta)
        expected = list(self.RECEIVE_VOLUME_COLUMNS)
        pagination = self._customer_pagination(raw_meta)
        columns = data.get('columns')
        records = data.get('records')
        if (
            not isinstance(columns, list)
            or not isinstance(records, list)
            or len(columns) != len(expected)
            or pagination is None
        ):
            return self._format_error(meta)
        for column, (key, name) in zip(columns, expected):
            if column != {'key': key, 'name': name}:
                return self._format_error(meta)
        rows = []
        expected_keys = [key for key, _ in expected]
        for record in records:
            if not isinstance(record, dict) or set(record) != set(expected_keys):
                return self._format_error(meta)
            row = []
            for key in expected_keys:
                value = record[key]
                if key == 'inbound_volume':
                    if not self._valid_volume_cell(value):
                        return self._format_error(meta)
                    row.append(value)
                    continue
                if not isinstance(value, str):
                    return self._format_error(meta)
                row.append(value)
            rows.append(row)
        headers = [{'label': name} for _, name in expected]
        content = {
            'headers': headers,
            'rows': rows,
            'pagination': pagination,
        }
        return self._success_result(content, self._render_table(content), meta)

    def _present_container_timeliness_list(self, data, raw_meta, meta):
        if set(data) != {'columns', 'records'}:
            return self._format_error(meta)
        expected = list(self.CONTAINER_TIMELINESS_COLUMNS)
        pagination = self._customer_pagination(raw_meta)
        columns = data.get('columns')
        records = data.get('records')
        if (
            not isinstance(columns, list)
            or not isinstance(records, list)
            or len(columns) != len(expected)
            or pagination is None
        ):
            return self._format_error(meta)
        for column, (key, name) in zip(columns, expected):
            if column != {'key': key, 'name': name}:
                return self._format_error(meta)
        rows = []
        expected_keys = [key for key, _ in expected]
        for record in records:
            if not isinstance(record, dict) or set(record) != set(expected_keys):
                return self._format_error(meta)
            row = []
            for key in expected_keys:
                value = record[key]
                if not isinstance(value, str):
                    return self._format_error(meta)
                row.append(value)
            rows.append(row)
        headers = [{'label': name} for _, name in expected]
        content = {
            'headers': headers,
            'rows': rows,
            'pagination': pagination,
        }
        return self._success_result(content, self._render_table(content), meta)

    @staticmethod
    def _valid_volume_cell(value):
        return (
            not isinstance(value, bool)
            and isinstance(value, (int, float))
            and math.isfinite(float(value))
        )

    @staticmethod
    def _valid_amount_cell(value):
        if not isinstance(value, dict) or set(value) != {'amount', 'currency'}:
            return False
        amount = value.get('amount')
        return (
            not isinstance(amount, bool)
            and isinstance(amount, (int, float))
            and math.isfinite(float(amount))
            and isinstance(value.get('currency'), str)
        )

    def _present_receivable_cost_filter_options(self, data, raw_meta, meta):
        if set(data) != {'records'}:
            return self._format_error(meta)
        records = data.get('records')
        pagination = self._customer_pagination(raw_meta)
        if not isinstance(records, list) or pagination is None:
            return self._format_error(meta)
        rows = []
        for record in records:
            if not isinstance(record, dict) or set(record) != {
                'value', 'label', 'code',
            }:
                return self._format_error(meta)
            value = record.get('value')
            label = record.get('label')
            code = record.get('code')
            if (
                isinstance(value, bool) or not isinstance(value, int)
                or not isinstance(label, str) or not label.strip()
                or not isinstance(code, str)
            ):
                return self._format_error(meta)
            rows.append([value, label.strip(), code.strip()])
        content = {
            'headers': [
                {'label': '可传值'}, {'label': '显示名称'}, {'label': '业务编码'},
            ],
            'rows': rows,
            'pagination': pagination,
        }
        return self._success_result(content, self._render_table(content), meta)

    @staticmethod
    def _customer_billing_modes(value):
        if not isinstance(value, list):
            return None
        result = []
        business_types = set()
        for item in value:
            if not isinstance(item, dict) or set(item) != {
                'business_type', 'settlement_mode',
            }:
                return None
            business_type = item.get('business_type')
            settlement_mode = item.get('settlement_mode')
            if (
                not isinstance(business_type, str) or not business_type.strip()
                or not isinstance(settlement_mode, str) or not settlement_mode.strip()
                or business_type in business_types
            ):
                return None
            business_types.add(business_type)
            result.append({
                '业务类型': business_type.strip(),
                '结算模式': settlement_mode.strip(),
            })
        return result

    def _present_customer_options(self, data, raw_meta, meta):
        if set(data) != {'records'}:
            return self._format_error(meta)
        records = data.get('records')
        pagination = self._customer_pagination(raw_meta)
        if not isinstance(records, list) or pagination is None:
            return self._format_error(meta)
        rows = []
        for record in records:
            if not isinstance(record, dict) or set(record) != {'value', 'label', 'code'}:
                return self._format_error(meta)
            value = record.get('value')
            label = record.get('label')
            code = record.get('code')
            if (
                isinstance(value, bool) or not isinstance(value, int) or value < 1
                or not isinstance(label, str) or not label.strip()
                or not isinstance(code, str)
            ):
                return self._format_error(meta)
            rows.append([value, label.strip(), code.strip()])
        content = {
            'headers': [
                {'label': '可传值'}, {'label': '显示名称'}, {'label': '业务编码'},
            ],
            'rows': rows,
            'pagination': pagination,
        }
        return self._success_result(content, self._render_table(content), meta)

    @staticmethod
    def _customer_pagination(raw_meta):
        if not isinstance(raw_meta, dict):
            return None
        required = {'page', 'limit', 'has_more'}
        if (
            not required.issubset(raw_meta)
            or not set(raw_meta).issubset(required | {'request_id'})
        ):
            return None
        page = raw_meta.get('page')
        limit = raw_meta.get('limit')
        has_more = raw_meta.get('has_more')
        if (
            isinstance(page, bool) or not isinstance(page, int)
            or page < 1 or page > 100
            or isinstance(limit, bool) or not isinstance(limit, int)
            or limit < 1 or limit > 100
            or not isinstance(has_more, bool)
        ):
            return None
        return {'page': page, 'limit': limit, 'has_more': has_more}

    def _present_outbound_detail(self, tool_name, data, raw_meta, meta):
        summary = data.get('summary')
        columns = data.get('columns')
        records = data.get('records')
        if not isinstance(summary, dict):
            return self._format_error(meta)
        if not isinstance(columns, list) or not columns or not isinstance(records, list):
            return self._format_error(meta)
        if any(key not in summary for key in self.OUTBOUND_DETAIL_SUMMARY):
            return self._format_error(meta)

        allowed_columns = self.TABLE_COLUMNS.get(tool_name)
        headers = []
        keys = []
        for column in columns:
            if not isinstance(column, dict):
                return self._format_error(meta)
            key = column.get('key')
            definition = allowed_columns.get(key) if isinstance(key, str) else None
            if not isinstance(definition, tuple) or not definition:
                return self._format_error(meta)
            keys.append(key)
            headers.append({'label': definition[0]})

        rows = []
        for record in records:
            if not isinstance(record, dict):
                return self._format_error(meta)
            row = []
            for key in keys:
                value = '' if record.get(key) is None else record.get(key, '')
                if key == 'customs_files':
                    if not isinstance(value, list):
                        return self._format_error(meta)
                    files = []
                    for item in value:
                        if not isinstance(item, dict):
                            return self._format_error(meta)
                        files.append({
                            '文件名称': item.get('file_name', ''),
                            '文件类型': item.get('file_type', ''),
                            '文件链接': item.get('file_url', ''),
                        })
                    value = files
                row.append(value)
            rows.append(row)

        summary_keys = list(self.OUTBOUND_DETAIL_SUMMARY.keys())
        content = {
            'summary': {
                'headers': [
                    {'label': self.OUTBOUND_DETAIL_SUMMARY[key]}
                    for key in summary_keys
                ],
                'row': [summary.get(key, '') for key in summary_keys],
            },
            'details': {
                'headers': headers,
                'rows': rows,
            },
        }
        tips = self._safe_tips(data.get('tips'))
        if tips:
            content['details']['tips'] = tips
        pagination = self._build_pagination(raw_meta)
        if pagination:
            content['details']['pagination'] = pagination
        return self._success_result(
            content,
            self._render_outbound_detail(content),
            meta,
        )

    @classmethod
    def _render_outbound_detail(cls, content):
        lines = ['排舱汇总：']
        summary = content['summary']
        for header, value in zip(summary['headers'], summary['row']):
            lines.append('- {0}: {1}'.format(header['label'], value))
        lines.append('订单明细：')
        details = content['details']
        lines.append('表头共 {0} 列：'.format(len(details['headers'])))
        for index, header in enumerate(details['headers'], start=1):
            lines.append('{0}. {1}'.format(index, header['label']))
        for index, row in enumerate(details['rows'], start=1):
            lines.append('记录 {0}：'.format(index))
            for header, value in zip(details['headers'], row):
                if isinstance(value, (dict, list)):
                    value = json.dumps(value, ensure_ascii=False)
                lines.append('- {0}: {1}'.format(header['label'], value))
        tips = details.get('tips') or []
        if tips:
            lines.append('提示：{0}'.format('；'.join(tips)))
        return '\n'.join(lines)

    def _present_options(self, data, raw_meta, meta):
        records = data.get('records')
        if not isinstance(records, list):
            return self._format_error(meta)

        rows = []
        for record in records:
            if not isinstance(record, dict):
                return self._format_error(meta)
            rows.append([
                record.get('value', ''),
                self._safe_text(record.get('label')),
                self._safe_text(record.get('code')),
            ])

        content = {
            'headers': [
                {'label': '可传值'},
                {'label': '显示名称'},
                {'label': '业务编码'},
            ],
            'rows': rows,
        }
        pagination = self._build_pagination(raw_meta)
        if pagination:
            content['pagination'] = pagination
        return self._success_result(content, self._render_table(content), meta)

    def _present_inbound_receipt_templates(self, data, meta):
        if set(data) != {'receipt_kind', 'templates'}:
            return self._format_error(meta)
        kind = data.get('receipt_kind')
        templates = data.get('templates')
        if kind not in ('直送入仓单', '非直送入仓单') or not isinstance(templates, list):
            return self._format_error(meta)
        if not templates:
            return self._format_error(meta)
        rows = []
        for item in templates:
            if not isinstance(item, dict) or set(item) != {'name', 'template_code'}:
                return self._format_error(meta)
            name = item.get('name')
            code = item.get('template_code')
            if (
                not isinstance(name, str) or not name.strip()
                or not isinstance(code, str) or not code.strip()
            ):
                return self._format_error(meta)
            rows.append([name.strip(), code.strip()])
        content = {
            'receipt_kind': kind,
            'summary': kind,
            'headers': [
                {'label': '模板名称'},
                {'label': '模板编码'},
            ],
            'rows': rows,
        }
        return self._success_result(content, self._render_table(content), meta)

    def _present_export_submission(self, data, meta):
        expected = {'task_ref', 'status', 'retry_after_seconds'}
        if set(data) != expected:
            return self._format_error(meta)
        task_ref = data.get('task_ref')
        retry_after = data.get('retry_after_seconds')
        if (
            not isinstance(task_ref, str) or not task_ref.strip()
            or data.get('status') != 'queued'
            or isinstance(retry_after, bool)
            or not isinstance(retry_after, int)
            or retry_after <= 0
        ):
            return self._format_error(meta)
        task = {
            'task_ref': task_ref.strip(),
            'status': 'queued',
            'retry_after_seconds': retry_after,
        }
        content = {
            'message': '导出任务已提交',
            'task': task,
        }
        text = (
            '导出任务已提交\n'
            '- 任务引用: {0}\n'
            '- 建议 {1} 秒后单独查询任务状态'
        ).format(task['task_ref'], retry_after)
        return self._success_result(content, text, meta)

    def _present_export_task(self, data, meta):
        task_ref = data.get('task_ref')
        status = data.get('status')
        if (
            not isinstance(task_ref, str)
            or not task_ref.strip()
            or status not in ('queued', 'running', 'completed', 'failed')
        ):
            return self._format_error(meta)

        task = {'task_ref': task_ref.strip(), 'status': status}
        if status in ('queued', 'running'):
            if set(data) != {'task_ref', 'status', 'retry_after_seconds'}:
                return self._format_error(meta)
            retry_after = data.get('retry_after_seconds')
            if (
                isinstance(retry_after, bool)
                or not isinstance(retry_after, int)
                or retry_after <= 0
            ):
                return self._format_error(meta)
            task['retry_after_seconds'] = retry_after
            label = '等待中' if status == 'queued' else '生成中'
            content = {'message': '导出任务{0}'.format(label), 'task': task}
            text = (
                '导出任务{0}\n- 任务引用: {1}\n- 建议 {2} 秒后再次查询'
            ).format(label, task['task_ref'], retry_after)
            return self._success_result(content, text, meta)

        if status == 'failed':
            if set(data) != {'task_ref', 'status'}:
                return self._format_error(meta)
            content = {'message': '导出任务失败，请重新提交', 'task': task}
            text = '导出任务失败，请重新提交'
            return self._success_result(content, text, meta)

        if set(data) != {'task_ref', 'status', 'files'}:
            return self._format_error(meta)
        files = data.get('files')
        if not isinstance(files, list) or not files:
            return self._format_error(meta)
        safe_files = []
        for item in files:
            if not isinstance(item, dict) or set(item) != {'label', 'url'}:
                return self._format_error(meta)
            label = item.get('label')
            url = item.get('url')
            if (
                not isinstance(label, str) or not label.strip()
                or not self._valid_http_url(url)
            ):
                return self._format_error(meta)
            safe_files.append({'label': label.strip(), 'url': url.strip()})
        content = {
            'message': '文件已生成',
            'task': task,
            'files': safe_files,
        }
        lines = ['文件已生成']
        for item in safe_files:
            lines.append('- {0}: {1}'.format(item['label'], item['url']))
        return self._success_result(content, '\n'.join(lines), meta)

    def _valid_http_url(self, value):
        if not isinstance(value, str) or not value.strip():
            return False
        if value != value.strip() or '\\' in value or any(
            character.isspace() or ord(character) < 32 or ord(character) == 127
            for character in value
        ):
            return False
        try:
            parsed = urlparse(value)
            port = parsed.port
            return (
                parsed.scheme in ('http', 'https')
                and bool(parsed.hostname)
                and parsed.username is None
                and parsed.password is None
                and (port is None or 0 < port <= 65535)
            )
        except ValueError:
            return False

    def _business_error(self, tool_name, code, raw_message, meta):
        message = str(raw_message or '').strip()
        if tool_name == 'trial_goods_tax' and message in self.TAX_TRIAL_MESSAGES:
            safe_code = code if code in self.ERROR_MESSAGES else 'MCP_9001'
            retryable = safe_code not in self.NON_RETRYABLE_CODES
            return self._error_result(safe_code, message, retryable, meta)
        if code not in self.ERROR_MESSAGES and code != 'MCP_1401':
            logger.warning(
                'Unknown MCP business error code',
                extra={
                    'request_id': meta.get('request_id', ''),
                    'tool_code': tool_name,
                    'backend_code': code,
                    'response_code': 'MCP_9001',
                    'diagnostic_reason': 'UNEXPECTED_EXCEPTION',
                },
            )
            code = 'MCP_9001'
        if code == 'MCP_1401' and tool_name in self.ARRANGE_TRAILER_TOOLS:
            if not self._arrange_trailer_message(message):
                message = self._parameter_message('')
            return self._error_result(code, message, False, meta)
        elif code == 'MCP_1401':
            label = self._find_field_label(tool_name, raw_message)
            message = self._parameter_message(label)
        elif tool_name in self.INBOUND_RECEIPT_TOOLS | self.EXPORT_TOOLS and (
            tool_name in (
                'list_inbound_receipt_templates',
                'export_inbound_receipt',
            )
        ):
            allowed = self._inbound_receipt_message(message)
            message = allowed or self.ERROR_MESSAGES.get(
                code, self.ERROR_MESSAGES['MCP_9001']
            )
        elif tool_name in self.FREIGHTOWER_TRACK_TOOLS:
            allowed = str(raw_message or '').strip()
            if allowed not in (
                '暂时没有飞驼轨迹',
                '未找到本公司排舱单',
                '匹配到多票排舱单，请同时提供提单号和柜号',
                '未找到飞驼轨迹订单',
                '飞驼查询超时',
                '飞驼查询失败',
            ):
                message = self.ERROR_MESSAGES.get(code, self.ERROR_MESSAGES['MCP_9001'])
            else:
                message = allowed
        else:
            message = self.ERROR_MESSAGES[code]
        retryable = code not in self.NON_RETRYABLE_CODES
        return self._error_result(code, message, retryable, meta)

    @staticmethod
    def _arrange_trailer_message(message):
        if message in (
            '请提供提单号或柜号',
            '存在不能填写的内容',
            '号码不正确',
            '请填写拖车行',
            '找不到可安排的柜子',
            '匹配到不止一柜，请改说另一个号码',
            '当前柜子不能安排拖车行',
            '当前不需要填写海外仓',
            '当前不需要填写直送改拆',
            '当前不需要填写改拆原因',
            '直送柜只能选择是或否',
            '拖车行请说完整的名称-代码',
            '拖车行不能填',
            '港后跟进人不能填',
            '预计提柜时间不正确',
            '请选择直送改拆',
            '直送改拆只能选择是或否',
            '改拆原因不正确',
            '请填写海外仓',
            '海外仓不能填',
            '请填写仓库联系人',
            '请填写仓库联系电话',
            '当前不需要填写重量体积',
            '该柜子需要在页面上传BOL后再安排',
            '重量体积不正确',
            '订单不在这一柜',
            '请填写重量体积',
            '干线未出发不可安排拖车',
            '当前柜子已安排拖车行',
            '仓库不存在',
            '仓库联系人不能为空',
            '仓库联系电话不能为空',
            '拖车行不存在',
            '拖车行类型不是海外拖车',
            '排舱单不存在',
            '安排拖车行失败',
        ):
            return True
        return message.startswith('请填写订单') and message.endswith('的重量和体积')

    def _find_field_label(self, tool_name, raw_message):
        message = str(raw_message or '')
        fields = self.FIELD_LABELS.get(tool_name, {})
        for field in sorted(fields, key=len, reverse=True):
            if field in message:
                return fields[field]
        return ''

    @staticmethod
    def _parameter_message(label):
        return '{0}参数不正确'.format(label) if label else '工具参数不正确，请检查后重试'

    @classmethod
    def _inbound_receipt_message(cls, message):
        text = str(message or '').strip()
        if text in (
            '当前没有可用的入仓单模板',
            '所选模板不属于这次柜号对应的入仓单',
        ):
            return text
        missing_prefix = '这些柜号没有对应的排舱单：'
        if text.startswith(missing_prefix) and cls._container_code_list(
            text[len(missing_prefix):]
        ):
            return text
        direct_prefix = '这些柜号是直送柜：'
        indirect_mark = '。这些柜号是非直送柜：'
        if text.startswith(direct_prefix) and text.endswith('。') and indirect_mark in text:
            body = text[len(direct_prefix):-1]
            direct, indirect = body.split(indirect_mark, 1)
            if cls._container_code_list(direct) and cls._container_code_list(indirect):
                return text
        return ''

    @staticmethod
    def _container_code_list(text):
        if not text or len(text) > 200 * 101:
            return False
        parts = text.split('、')
        if not parts:
            return False
        for part in parts:
            if (
                not part
                or part != part.strip()
                or len(part) > 100
                or any(ord(char) < 32 for char in part)
            ):
                return False
        return True

    @staticmethod
    def _build_meta(raw_meta):
        if not isinstance(raw_meta, dict):
            return {}
        request_id = raw_meta.get('request_id')
        if not isinstance(request_id, str) or not request_id.strip():
            return {}
        return {'request_id': request_id.strip()}

    @staticmethod
    def _build_pagination(raw_meta):
        if not isinstance(raw_meta, dict):
            return {}
        return {
            key: raw_meta[key]
            for key in ('page', 'limit', 'has_more', 'total')
            if key in raw_meta
        }

    @staticmethod
    def _safe_text(value):
        if value is None:
            return ''
        return str(value).strip()

    @classmethod
    def _safe_tips(cls, value):
        if not isinstance(value, list):
            return []
        return [cls._safe_text(item) for item in value if cls._safe_text(item)]

    @classmethod
    def _render_table(cls, content, require_complete=False):
        headers = content.get('headers') or []
        rows = content.get('rows') or []
        lines = []
        if require_complete:
            lines.append('完整客户数据，禁止摘要、合并、隐藏字段或省略空字段。')
            lines.append(
                '本页记录数：{0}；每条字段数：{1}；应展示字段值总数：{2}。'.format(
                    len(rows), len(headers), len(rows) * len(headers)
                )
            )
        summary = cls._safe_text(content.get('summary'))
        if summary:
            lines.append(summary)
        lines.append('表头共 {0} 列：'.format(len(headers)))
        for index, header in enumerate(headers, start=1):
            lines.append('{0}. {1}'.format(index, header['label']))
        for index, row in enumerate(rows, start=1):
            lines.append('记录 {0}：'.format(index))
            for header, value in zip(headers, row):
                if isinstance(value, (dict, list)):
                    value = json.dumps(value, ensure_ascii=False)
                lines.append('- {0}: {1}'.format(header['label'], value))
        tips = content.get('tips') or []
        if tips:
            lines.append('提示：{0}'.format('；'.join(tips)))
        if require_complete:
            lines.append(
                '展示完整性校验：已提供{0}条客户的全部{1}个字段。'.format(
                    len(rows), len(headers)
                )
            )
        return '\n'.join(lines)

    def _present_freightower_track(self, data, meta):
        expected = {'schedule', 'ports', 'containers', 'tracks', 'terminal_plan'}
        if set(data) != expected:
            return self._format_error(meta)
        schedule = self._freightower_object(data.get('schedule'), (
            ('bl_number', '提单号'),
            ('container_code', '柜号'),
            ('carrier_name', '船公司'),
            ('vessel', '船名'),
            ('voyage', '航次'),
            ('route_code', '航线'),
            ('current_status', '当前状态'),
            ('current_status_time', '当前状态时间'),
            ('current_status_place', '当前状态地点'),
            ('update_time', '数据更新时间'),
            ('etd', '预计离港'),
            ('atd', '实际离港'),
            ('eta', '预计到达'),
        ))
        if schedule is None:
            return self._format_error(meta)
        ports = self._freightower_rows(data.get('ports'), (
            ('place_type', '地点类型'),
            ('port_name', '港口'),
            ('terminal_name', '码头'),
            ('etd', '预计离港'),
            ('atd', '实际离港'),
            ('eta', '预计到达'),
            ('ata', '实际到达'),
        ), {'place_type': ('起运港', '中转港', '目的港', '交货地')})
        containers = self._freightower_rows(data.get('containers'), (
            ('container_no', '箱号'),
            ('container_type', '箱型'),
            ('seal_no', '铅封号'),
            ('current_status', '当前状态'),
            ('off_load', '是否甩柜'),
        ), {'off_load': ('', '是', '否')})
        tracks = self._freightower_rows(data.get('tracks'), (
            ('time', '时间'),
            ('location', '地点'),
            ('content', '内容'),
            ('event_code', '状态代码'),
            ('estimate_flag', '实际/预计'),
            ('vessel_voyage', '船名航次'),
            ('terminal_name', '码头'),
        ), {'estimate_flag': ('实际', '预计')})
        terminal_plan = self._freightower_object(data.get('terminal_plan'), (
            ('port_name', '港口'),
            ('terminal_name', '码头'),
            ('open_time', '开港'),
            ('close_time', '截港'),
            ('etd', '预计离港'),
            ('atd', '实际离港'),
            ('shipping_agent', '船代'),
        ))
        if None in (ports, containers, tracks, terminal_plan):
            return self._format_error(meta)
        content = {
            '船期': schedule,
            '港口': ports,
            '箱子': containers,
            '轨迹': tracks,
            '港区计划': terminal_plan,
        }
        lines = ['飞驼船期']
        for label, value in schedule.items():
            lines.append('- {0}: {1}'.format(label, value))
        lines.extend(self._freightower_section('港口', ports, (
            '地点类型', '港口', '码头', '预计离港', '实际离港', '预计到达', '实际到达',
        )))
        lines.extend(self._freightower_section('箱子', containers, (
            '箱号', '箱型', '铅封号', '当前状态', '是否甩柜',
        )))
        lines.extend(self._freightower_section('轨迹', tracks, (
            '时间', '地点', '内容', '状态代码', '实际/预计', '船名航次', '码头',
        )))
        if any(terminal_plan.values()):
            lines.append('港区计划')
            for label, value in terminal_plan.items():
                lines.append('- {0}: {1}'.format(label, value))
        else:
            lines.append('港区计划')
            lines.append('- 无')
        return self._success_result(content, '\n'.join(lines), meta)

    def _freightower_object(self, value, fields):
        if not isinstance(value, dict) or set(value) != {key for key, _label in fields}:
            return None
        result = {}
        for key, label in fields:
            item = value.get(key)
            if not isinstance(item, str):
                return None
            result[label] = item
        return result

    def _freightower_rows(self, rows, fields, choices):
        if not isinstance(rows, list):
            return None
        keys = {key for key, _label in fields}
        result = []
        for row in rows:
            if not isinstance(row, dict) or set(row) != keys:
                return None
            item = {}
            for key, label in fields:
                cell = row.get(key)
                if not isinstance(cell, str):
                    return None
                allowed = choices.get(key)
                if allowed is not None and cell not in allowed:
                    return None
                item[label] = cell
            result.append(item)
        return result

    @staticmethod
    def _freightower_section(title, rows, labels):
        lines = [title]
        if not rows:
            lines.append('- 无')
            return lines
        for row in rows:
            lines.append('- ' + ' '.join(row[label] for label in labels))
        return lines

    @staticmethod
    def _success_result(content, text, meta):
        return {
            'structured_content': content,
            'text': text,
            'is_error': False,
            'meta': meta,
        }

    @staticmethod
    def _error_result(code, message, retryable, meta=None):
        return {
            'structured_content': {
                'code': code,
                'message': message,
                'retryable': retryable,
            },
            'text': '{0}: {1}'.format(code, message),
            'is_error': True,
            'meta': meta or {},
        }

    @classmethod
    def _format_error(cls, meta=None):
        return cls._error_result(
            'MCP_9001',
            '工具返回格式异常',
            True,
            meta,
        )