{
    "summary": [
        {
            "name": "customers",
            "title": "客户档案表",
            "primary": "id",
            "catelog": "entity"
        }
    ],
    "fields": [
        {
            "name": "id",
            "title": "客户ID",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "comments": "主键 - UUID格式"
        },
        {
            "name": "customer_name",
            "title": "客户名称",
            "type": "str",
            "length": 255,
            "nullable": "no",
            "comments": "客户公司名称或个人姓名"
        },
        {
            "name": "customer_type",
            "title": "客户类型",
            "type": "str",
            "length": 20,
            "nullable": "no",
            "comments": "客户类型：individual=个人, enterprise=企业"
        },
        {
            "name": "phone",
            "title": "手机号",
            "type": "str",
            "length": 20,
            "nullable": "yes",
            "comments": "客户手机号码"
        },
        {
            "name": "email",
            "title": "邮箱",
            "type": "str",
            "length": 255,
            "nullable": "yes",
            "comments": "客户邮箱地址"
        },
        {
            "name": "tax_id",
            "title": "企业税号",
            "type": "str",
            "length": 50,
            "nullable": "yes",
            "comments": "企业统一社会信用代码或税号"
        },
        {
            "name": "industry",
            "title": "所属行业",
            "type": "str",
            "length": 100,
            "nullable": "yes",
            "comments": "客户所属行业"
        },
        {
            "name": "customer_level",
            "title": "分级标签",
            "type": "str",
            "length": 20,
            "nullable": "no",
            "default": "potential",
            "comments": "客户分级：important=重要, normal=普通, potential=潜在"
        },
        {
            "name": "address",
            "title": "地址",
            "type": "text",
            "nullable": "yes",
            "comments": "客户详细地址"
        },
        {
            "name": "owner_id",
            "title": "负责人ID",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "comments": "当前负责该客户的销售人员ID"
        },
        {
            "name": "region",
            "title": "区域",
            "type": "str",
            "length": 100,
            "nullable": "yes",
            "comments": "客户所在区域"
        },
        {
            "name": "last_follow_up",
            "title": "最后跟进时间",
            "type": "timestamp",
            "nullable": "yes",
            "comments": "最后一次跟进时间"
        },
        {
            "name": "created_at",
            "title": "创建时间",
            "type": "timestamp",
            "nullable": "no",
            "comments": "客户档案创建时间"
        },
        {
            "name": "updated_at",
            "title": "更新时间",
            "type": "timestamp",
            "nullable": "no",
            "comments": "最后更新时间"
        },
        {
            "name": "status",
            "title": "状态",
            "type": "str",
            "length": 20,
            "nullable": "no",
            "default": "active",
            "comments": "客户状态：active=活跃, inactive=非活跃, in_pool=公海"
        }
    ],
    "indexes": [
        {
            "name": "idx_customers_phone",
            "idxtype": "unique",
            "idxfields": ["phone"]
        },
        {
            "name": "idx_customers_tax_id",
            "idxtype": "unique",
            "idxfields": ["tax_id"]
        },
        {
            "name": "idx_customers_owner",
            "idxtype": "index",
            "idxfields": ["owner_id"]
        },
        {
            "name": "idx_customers_name",
            "idxtype": "index",
            "idxfields": ["customer_name"]
        },
        {
            "name": "idx_customers_level",
            "idxtype": "index",
            "idxfields": ["customer_level"]
        },
        {
            "name": "idx_customers_status",
            "idxtype": "index",
            "idxfields": ["status"]
        },
        {
            "name": "idx_customers_last_follow",
            "idxtype": "index",
            "idxfields": ["last_follow_up"]
        }
    ]
}