{
  "summary": [
    {
      "table": "pbl_blueprint",
      "name": "PBL蓝图",
      "title": "PBL蓝图",
      "subtitle": "PBL蓝图聚合根",
      "primary": ["id"],
      "defaultsort": "created_at desc",
      "orderby": "created_at desc",
      "caption": "蓝图",
      "multilingual": 0
    }
  ],
  "fields": [
    {"name": "id", "type": "str(32)", "title": "主键", "notnull": 1, "primary": 1, "readonly": 1},
    {"name": "tenant_id", "type": "str(32)", "title": "租户ID", "notnull": 1, "default": "0", "comment": "多租户强制打头字段，所有读写必须带"},
    {"name": "org_id", "type": "str(32)", "title": "所属机构", "notnull": 1, "default": "0"},
    {"name": "blueprint_code", "type": "str(64)", "title": "蓝图编码", "notnull": 1},
    {"name": "title", "type": "str(255)", "title": "蓝图标题", "notnull": 1},
    {"name": "subject_area", "type": "str(64)", "title": "学科领域", "default": ""},
    {"name": "grade_level", "type": "str(32)", "title": "适用年级", "default": ""},
    {"name": "duration_hours", "type": "int", "title": "总课时(小时)", "default": 0},
    {"name": "driving_question", "type": "text", "title": "驱动问题", "default": ""},
    {"name": "summary", "type": "text", "title": "蓝图摘要", "default": ""},
    {"name": "quality_status", "type": "str(32)", "title": "质量状态", "notnull": 1, "default": "draft", "comment": "5级：draft/partial/valid/complete/published，由 pbl_validation 写入"},
    {"name": "validation_score", "type": "decimal(5,2)", "title": "校验得分", "default": 0},
    {"name": "version_no", "type": "int", "title": "当前版本号", "notnull": 1, "default": 1},
    {"name": "current_version_id", "type": "str(32)", "title": "当前版本ID", "default": ""},
    {"name": "template_id", "type": "str(32)", "title": "来源模板ID", "default": ""},
    {"name": "forked_from_id", "type": "str(32)", "title": "派生自蓝图ID", "default": ""},
    {"name": "status", "type": "str(32)", "title": "生命周期状态", "notnull": 1, "default": "draft", "comment": "draft/published/archived/deleted"},
    {"name": "extra_json", "type": "longtext", "title": "扩展属性JSON", "default": ""},
    {"name": "created_by", "type": "str(32)", "title": "创建人", "default": ""},
    {"name": "created_at", "type": "datetime", "title": "创建时间", "notnull": 1},
    {"name": "updated_by", "type": "str(32)", "title": "更新人", "default": ""},
    {"name": "updated_at", "type": "datetime", "title": "更新时间"}
  ],
  "indexes": [
    {"name": "uk_pbl_blueprint_code", "fields": ["tenant_id", "blueprint_code"], "unique": 1},
    {"name": "idx_pbl_blueprint_tenant", "fields": ["tenant_id", "status"], "unique": 0},
    {"name": "idx_pbl_blueprint_org", "fields": ["org_id"], "unique": 0},
    {"name": "idx_pbl_blueprint_created", "fields": ["tenant_id", "created_at"], "unique": 0}
  ],
  "codes": [
    {"field": "quality_status", "table": "appcodes_kv", "cond": "parentid='pbl_quality_status'", "valuefield": "k", "textfield": "v"},
    {"field": "status", "table": "appcodes_kv", "cond": "parentid='pbl_bp_status'", "valuefield": "k", "textfield": "v"},
    {"field": "template_id", "table": "pbl_template", "cond": "", "valuefield": "id", "textfield": "name"}
  ]
}