{
  "summary": {
    "tablename": "payments",
    "label": "支出记录",
    "comment": "支出管理，关联已核销的合同收款"
  },
  "fields": [
    {
      "name": "id",
      "title": "ID",
      "type": "str",
      "length": 64,
      "nullable": false,
      "comments": "主键"
    },
    {
      "name": "payment_number",
      "title": "支出编号",
      "type": "str",
      "length": 64,
      "nullable": false,
      "comments": "支出编号"
    },
    {
      "name": "contract_id",
      "title": "合同ID",
      "type": "str",
      "length": 64,
      "nullable": false,
      "comments": "关联合同ID（必须是已核销收款的合同）"
    },
    {
      "name": "vendor_id",
      "title": "供应商ID",
      "type": "str",
      "length": 64,
      "nullable": false,
      "comments": "供应商ID"
    },
    {
      "name": "payment_amount",
      "title": "支出金额",
      "type": "decimal",
      "length": "15,2",
      "nullable": false,
      "comments": "支出金额"
    },
    {
      "name": "payment_date",
      "title": "支出日期",
      "type": "date",
      "nullable": false,
      "comments": "实际支出日期"
    },
    {
      "name": "payment_method",
      "title": "支出方式",
      "type": "str",
      "length": 32,
      "nullable": false,
      "comments": "支出方式: bank_transfer, cash, check, other"
    },
    {
      "name": "payment_status",
      "title": "支出状态",
      "type": "str",
      "length": 32,
      "nullable": false,
      "comments": "状态: pending(待处理), processed(已处理), verified(已核销)"
    },
    {
      "name": "description",
      "title": "备注",
      "type": "str",
      "length": 500,
      "nullable": true,
      "comments": "备注信息"
    },
    {
      "name": "approved_by",
      "title": "审批人",
      "type": "str",
      "length": 64,
      "nullable": true,
      "comments": "审批人ID"
    },
    {
      "name": "created_by",
      "title": "创建人",
      "type": "str",
      "length": 64,
      "nullable": false,
      "comments": "财务人员ID"
    },
    {
      "name": "org_id",
      "title": "组织ID",
      "type": "str",
      "length": 64,
      "nullable": false,
      "comments": "组织ID，用于多租户隔离"
    },
    {
      "name": "created_at",
      "title": "创建时间",
      "type": "timestamp",
      "nullable": false,
      "comments": "创建时间"
    },
    {
      "name": "updated_at",
      "title": "更新时间",
      "type": "timestamp",
      "nullable": false,
      "comments": "更新时间"
    }
  ],
  "indexes": [
    {
      "name": "idx_payments_contract_id",
      "idxtype": "index",
      "columns": ["contract_id"]
    },
    {
      "name": "idx_payments_payment_number",
      "idxtype": "unique",
      "columns": ["payment_number", "org_id"]
    },
    {
      "name": "idx_payments_org_id",
      "idxtype": "index",
      "columns": ["org_id"]
    },
    {
      "name": "idx_payments_status",
      "idxtype": "index",
      "columns": ["payment_status"]
    }
  ],
  "codes": []
}