{
    "summary": [
        {
            "name": "opportunities",
            "title": "商机表",
            "primary": "id",
            "catelog": "entity"
        }
    ],
    "fields": [
        {
            "name": "id",
            "title": "商机ID",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "comments": "主键 - UUID格式"
        },
        {
            "name": "customer_id",
            "title": "客户ID",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "comments": "关联客户管理模块的客户ID"
        },
        {
            "name": "customer_name",
            "title": "客户名称",
            "type": "str",
            "length": 255,
            "nullable": "no",
            "comments": "客户名称，必填字段"
        },
        {
            "name": "opportunity_name",
            "title": "商机名称",
            "type": "str",
            "length": 255,
            "nullable": "no",
            "comments": "商机标题或项目名称"
        },
        {
            "name": "estimated_amount",
            "title": "预估金额",
            "type": "decimal",
            "length": 15,
            "dec": 2,
            "nullable": "no",
            "comments": "预估成交金额，必填字段"
        },
        {
            "name": "current_stage",
            "title": "当前销售阶段",
            "type": "str",
            "length": 50,
            "nullable": "no",
            "comments": "当前所处的销售阶段，必填字段"
        },
        {
            "name": "expected_close_date",
            "title": "预计成交时间",
            "type": "date",
            "nullable": "no",
            "comments": "预计成交日期，必填字段"
        },
        {
            "name": "source_type",
            "title": "商机来源类型",
            "type": "str",
            "length": 20,
            "nullable": "no",
            "default": "manual",
            "comments": "manual=手动录入, lead=线索转化"
        },
        {
            "name": "owner_id",
            "title": "负责人ID",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "comments": "负责该商机的销售人员ID"
        },
        {
            "name": "owner_name",
            "title": "负责人姓名",
            "type": "str",
            "length": 100,
            "nullable": "no",
            "comments": "负责该商机的销售人员姓名"
        },
        {
            "name": "region",
            "title": "区域",
            "type": "str",
            "length": 100,
            "nullable": "yes",
            "comments": "商机所属区域，用于分析筛选"
        },
        {
            "name": "description",
            "title": "商机描述",
            "type": "text",
            "nullable": "yes",
            "comments": "商机详细描述信息"
        },
        {
            "name": "probability",
            "title": "成交概率",
            "type": "float",
            "length": 5,
            "dec": 2,
            "nullable": "no",
            "default": "0.00",
            "comments": "基于历史转化率计算的成交概率百分比"
        },
        {
            "name": "predicted_revenue",
            "title": "预测收入",
            "type": "decimal",
            "length": 15,
            "dec": 2,
            "nullable": "no",
            "default": "0.00",
            "comments": "基于成交概率计算的预测收入"
        },
        {
            "name": "created_at",
            "title": "创建时间",
            "type": "timestamp",
            "nullable": "no"
        },
        {
            "name": "updated_at",
            "title": "更新时间",
            "type": "timestamp",
            "nullable": "no"
        },
        {
            "name": "status",
            "title": "状态",
            "type": "str",
            "length": 20,
            "nullable": "no",
            "default": "active",
            "comments": "active=活跃, won=已成交, lost=已丢失, closed=已关闭"
        }
    ],
    "indexes": [
        {
            "name": "idx_opportunities_customer",
            "idxtype": "index",
            "idxfields": ["customer_id"]
        },
        {
            "name": "idx_opportunities_owner",
            "idxtype": "index",
            "idxfields": ["owner_id"]
        },
        {
            "name": "idx_opportunities_stage",
            "idxtype": "index",
            "idxfields": ["current_stage"]
        },
        {
            "name": "idx_opportunities_region",
            "idxtype": "index",
            "idxfields": ["region"]
        },
        {
            "name": "idx_opportunities_status",
            "idxtype": "index",
            "idxfields": ["status"]
        },
        {
            "name": "idx_opportunities_expected_close",
            "idxtype": "index",
            "idxfields": ["expected_close_date"]
        }
    ]
}