{
  "summary": {
    "name": "opportunity",
    "description": "商机管理表，存储销售机会的全生命周期信息",
    "version": "1.0.0"
  },
  "fields": {
    "id": {
      "type": "int",
      "primary_key": true,
      "auto_increment": true,
      "description": "商机ID"
    },
    "org_id": {
      "type": "int",
      "not_null": true,
      "description": "组织ID，用于多租户隔离"
    },
    "customer_id": {
      "type": "int",
      "not_null": true,
      "description": "客户ID，关联客户管理模块"
    },
    "customer_name": {
      "type": "varchar(255)",
      "not_null": true,
      "description": "客户名称"
    },
    "title": {
      "type": "varchar(255)",
      "not_null": true,
      "description": "商机标题"
    },
    "estimated_amount": {
      "type": "decimal(15,2)",
      "not_null": true,
      "description": "预估金额"
    },
    "current_stage": {
      "type": "varchar(50)",
      "not_null": true,
      "default": "'初步接洽'",
      "description": "当前销售阶段"
    },
    "expected_close_date": {
      "type": "date",
      "not_null": true,
      "description": "预计成交时间"
    },
    "probability": {
      "type": "decimal(5,2)",
      "not_null": true,
      "default": "0.00",
      "description": "成交概率（百分比）"
    },
    "source": {
      "type": "varchar(50)",
      "not_null": true,
      "default": "'manual'",
      "description": "商机来源：manual（手动录入）或 lead（线索转化）"
    },
    "owner_id": {
      "type": "int",
      "not_null": true,
      "description": "负责人ID"
    },
    "owner_name": {
      "type": "varchar(100)",
      "not_null": true,
      "description": "负责人姓名"
    },
    "description": {
      "type": "text",
      "description": "商机描述"
    },
    "created_at": {
      "type": "datetime",
      "not_null": true,
      "default": "CURRENT_TIMESTAMP",
      "description": "创建时间"
    },
    "updated_at": {
      "type": "datetime",
      "not_null": true,
      "default": "CURRENT_TIMESTAMP",
      "on_update": "CURRENT_TIMESTAMP",
      "description": "更新时间"
    },
    "status": {
      "type": "varchar(20)",
      "not_null": true,
      "default": "'active'",
      "description": "状态：active（活跃）、won（成交）、lost（丢单）"
    }
  },
  "indexes": {
    "idx_org_customer": ["org_id", "customer_id"],
    "idx_org_owner": ["org_id", "owner_id"],
    "idx_org_stage": ["org_id", "current_stage"],
    "idx_org_status": ["org_id", "status"],
    "idx_expected_close": ["org_id", "expected_close_date"]
  },
  "codes": {
    "stages": {
      "初步接洽": "初步接触客户，了解基本信息",
      "需求确认": "深入了解客户需求和痛点",
      "方案报价": "提供解决方案和报价",
      "合同谈判": "商务条款和合同细节谈判",
      "成交": "签订合同，完成交易"
    },
    "sources": {
      "manual": "手动录入",
      "lead": "线索转化"
    },
    "statuses": {
      "active": "活跃",
      "won": "成交",
      "lost": "丢单"
    }
  }
}