{
  "summary": [
    {
      "name": "pbl_artifact",
      "comment": "学生产出物（版本内联 version_no）",
      "module": "pbl_evidence",
      "engine": "mariadb",
      "charset": "utf8mb4",
      "tenant_scoped": true
    }
  ],
  "fields": [
    {
      "name": "tenant_id",
      "comment": "租户ID(强制打头)",
      "null": false,
      "type": "str",
      "length": 32
    },
    {
      "name": "id",
      "comment": "主键",
      "null": false,
      "type": "int",
      "length": 20,
      "unsigned": true,
      "auto_increment": true
    },
    {
      "name": "artifact_uid",
      "comment": "产出UID",
      "null": false,
      "type": "str",
      "length": 32
    },
    {
      "name": "session_id",
      "comment": "会话",
      "null": false,
      "type": "bigint"
    },
    {
      "name": "blueprint_id",
      "comment": "蓝图",
      "null": false,
      "type": "bigint"
    },
    {
      "name": "team_id",
      "comment": "团队",
      "null": false,
      "type": "bigint"
    },
    {
      "name": "creator_id",
      "comment": "作者",
      "null": false,
      "type": "str",
      "length": 32
    },
    {
      "name": "title",
      "comment": "标题",
      "null": false,
      "type": "str",
      "length": 128
    },
    {
      "name": "artifact_type",
      "comment": "类型",
      "null": false,
      "type": "str",
      "length": 64
    },
    {
      "name": "content_json",
      "comment": "内容",
      "null": true,
      "type": "json"
    },
    {
      "name": "version_no",
      "comment": "版本",
      "null": false,
      "type": "int"
    },
    {
      "name": "status",
      "comment": "状态",
      "null": false,
      "type": "str",
      "length": 64
    },
    {
      "name": "submitted_at",
      "comment": "提交时间",
      "null": true,
      "type": "datetime"
    },
    {
      "name": "created_at",
      "comment": "创建时间",
      "null": false,
      "type": "datetime"
    },
    {
      "name": "updated_at",
      "comment": "更新时间",
      "null": false,
      "type": "datetime"
    }
  ],
  "indexes": [
    {
      "name": "uk_art_uid",
      "unique": true,
      "fields": [
        "tenant_id",
        "artifact_uid"
      ]
    },
    {
      "name": "idx_art_session",
      "unique": false,
      "fields": [
        "tenant_id",
        "session_id"
      ]
    },
    {
      "name": "PRIMARY",
      "unique": true,
      "fields": [
        "id"
      ]
    }
  ],
  "codes": [
    {
      "field": "artifact_type",
      "appcode": "pbl_artifact_type"
    }
  ]
}