{
    "table_name": "approval_workflow",
    "fields": [
        {"name": "id", "type": "varchar(32)", "not_null": true, "comment": "主键ID"},
        {"name": "name", "type": "varchar(100)", "not_null": true, "comment": "工作流名称"},
        {"name": "module", "type": "varchar(50)", "not_null": true, "comment": "所属模块"},
        {"name": "trigger_event", "type": "varchar(100)", "comment": "触发事件"},
        {"name": "description", "type": "text", "comment": "描述"},
        {"name": "org_id", "type": "varchar(32)", "comment": "组织ID"},
        {"name": "status", "type": "varchar(20)", "default": "Y", "comment": "状态 Y-启用 N-禁用"},
        {"name": "created_at", "type": "timestamp", "comment": "创建时间"},
        {"name": "updated_at", "type": "timestamp", "comment": "更新时间"}
    ],
    "indexes": [
        {"name": "idx_workflow_module", "fields": ["module"], "type": "normal"},
        {"name": "idx_workflow_org", "fields": ["org_id"], "type": "normal"},
        {"name": "idx_workflow_status", "fields": ["status"], "type": "normal"}
    ],
    "codes": [
        {"key": "contract_approval", "name": "合同审批"},
        {"key": "customer_approval", "name": "客户审批"},
        {"key": "opportunity_approval", "name": "商机审批"}
    ]
}