{
  "summary": "学习目标子对象（B5）。可测量的学习目标定义：目标类型、布卢姆认知层级、素养维度、是否可测量、测量方式与目标值、解锁条件。是 Assessment Rubric 权重分配的锚点。",
  "primary": [
    "id"
  ],
  "fields": {
    "id": {
      "type": "str",
      "size": 32,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": false,
      "summary": "主键ID（str32，UUID去横线）"
    },
    "tenant_id": {
      "type": "str",
      "size": 32,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": true,
      "summary": "租户ID（首业务字段，所有读写强制打头，缺失即 fail-closed 拒绝）"
    },
    "blueprint_id": {
      "type": "str",
      "size": 32,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": true,
      "summary": "所属蓝图ID（聚合根外键，逻辑关联无物理FK）"
    },
    "version_no": {
      "type": "int",
      "notnull": true,
      "default": 1,
      "editable": true,
      "query": true,
      "summary": "所属蓝图版本号（子对象随版本快照）"
    },
    "sort_no": {
      "type": "int",
      "notnull": true,
      "default": 0,
      "editable": true,
      "query": false,
      "summary": "排序号"
    },
    "goal_code": {
      "type": "str",
      "size": 64,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": true,
      "summary": "目标编码（蓝图内唯一）"
    },
    "title": {
      "type": "str",
      "size": 200,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": true,
      "summary": "目标标题"
    },
    "description": {
      "type": "str",
      "size": 2000,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": false,
      "summary": "目标描述"
    },
    "goal_type": {
      "type": "str",
      "size": 32,
      "notnull": true,
      "default": "knowledge",
      "editable": true,
      "query": true,
      "summary": "目标类型",
      "code": "pbl_goal_type"
    },
    "measurable": {
      "type": "int",
      "notnull": true,
      "default": 1,
      "editable": true,
      "query": true,
      "summary": "是否可测量 0否 1是"
    },
    "measure_method": {
      "type": "str",
      "size": 512,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": false,
      "summary": "测量方式"
    },
    "target_value": {
      "type": "str",
      "size": 128,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": false,
      "summary": "目标值（如 ≥80分 / 完成3次）"
    },
    "bloom_level": {
      "type": "str",
      "size": 32,
      "notnull": true,
      "default": "understand",
      "editable": true,
      "query": true,
      "summary": "布卢姆认知层级",
      "code": "pbl_bloom_level"
    },
    "competency_dim": {
      "type": "str",
      "size": 64,
      "notnull": true,
      "default": "",
      "editable": true,
      "query": true,
      "summary": "素养维度",
      "code": "pbl_competency_dim"
    },
    "weight": {
      "type": "int",
      "notnull": true,
      "default": 0,
      "editable": true,
      "query": true,
      "summary": "评估权重（百分比 0-100）"
    },
    "unlock_condition_json": {
      "type": "text",
      "notnull": false,
      "editable": true,
      "query": false,
      "summary": "解锁条件JSON（前置目标/任务达成后解锁）"
    },
    "create_user": {
      "type": "str",
      "size": 32,
      "notnull": true,
      "default": "",
      "editable": false,
      "query": false,
      "summary": "创建人"
    },
    "create_time": {
      "type": "datetime",
      "notnull": false,
      "default": null,
      "editable": false,
      "query": false,
      "summary": "创建时间"
    },
    "update_user": {
      "type": "str",
      "size": 32,
      "notnull": true,
      "default": "",
      "editable": false,
      "query": false,
      "summary": "更新人"
    },
    "update_time": {
      "type": "datetime",
      "notnull": false,
      "default": null,
      "editable": false,
      "query": false,
      "summary": "更新时间"
    },
    "deleted": {
      "type": "int",
      "notnull": true,
      "default": 0,
      "editable": false,
      "query": false,
      "summary": "逻辑删除标记 0正常 1删除"
    }
  },
  "indexes": [
    {
      "name": "PRIMARY",
      "type": "primary",
      "fields": [
        "id"
      ]
    },
    {
      "name": "uk_tenant_bp_code",
      "type": "unique",
      "fields": [
        "tenant_id",
        "blueprint_id",
        "version_no",
        "goal_code",
        "deleted"
      ]
    },
    {
      "name": "idx_tenant_bp",
      "type": "normal",
      "fields": [
        "tenant_id",
        "blueprint_id"
      ]
    }
  ],
  "codes": [
    "pbl_goal_type",
    "pbl_bloom_level",
    "pbl_competency_dim"
  ]
}