{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.edu-industry.cn/school-internship/2.1.0/schema.json",
  "title": "SCHOOL-INTERNSHIP V2.1 校内实习数据",
  "description": "职业院校学生实习数据契约，要求租户隔离，将身份字段限制在业务必需的最少范围，并引用评价记录。",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "tenant_id",
    "record_id",
    "internship_id",
    "student_token",
    "program_code",
    "job_title",
    "start_date",
    "status",
    "source_system",
    "source_record_id",
    "created_at",
    "updated_at",
    "data_version",
    "content_hash"
  ],
  "properties": {
    "tenant_id": {
      "type": "string",
      "pattern": "^TENANT-[A-Z0-9-]{4,64}$",
      "description": "学校租户标识，所有存储、任务和查询必须同时校验。"
    },
    "record_id": {
      "type": "string",
      "format": "uuid",
      "description": "平台全局唯一记录标识。"
    },
    "internship_id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128,
      "description": "学校租户内的实习业务编号。"
    },
    "student_token": {
      "type": "string",
      "pattern": "^STU_[A-Za-z0-9_-]{32,128}$",
      "description": "学校侧生成的学生不可逆令牌，禁止传输姓名、身份证和明文学号。"
    },
    "cohort": {
      "type": ["integer", "null"],
      "minimum": 2000,
      "maximum": 2100,
      "description": "学生届次。"
    },
    "college_code": {
      "type": ["string", "null"],
      "maxLength": 64,
      "description": "学校内部学院代码。"
    },
    "program_code": {
      "type": "string",
      "pattern": "^[0-9A-Z]{4,12}$",
      "description": "教育部职业教育专业目录代码。"
    },
    "enterprise_token": {
      "type": ["string", "null"],
      "pattern": "^ENT_[A-Za-z0-9_-]{24,128}$",
      "description": "学校侧或平台企业主数据生成的企业令牌。"
    },
    "enterprise_name": {
      "type": ["string", "null"],
      "maxLength": 300,
      "description": "用于业务核验的企业名称；导出时按数据范围策略处理。"
    },
    "enterprise_industry_code": {
      "type": ["string", "null"],
      "maxLength": 32,
      "description": "企业行业代码。"
    },
    "region_code": {
      "type": ["string", "null"],
      "pattern": "^[0-9]{6}$",
      "description": "实习地区 GB/T 2260 六位代码。"
    },
    "workplace": {
      "type": ["string", "null"],
      "maxLength": 500,
      "description": "实习地点业务文本。"
    },
    "job_title": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200,
      "description": "实习岗位名称。"
    },
    "job_code": {
      "type": ["string", "null"],
      "maxLength": 32,
      "description": "映射到统一岗位词典后的岗位代码。"
    },
    "job_tasks": {
      "type": "array",
      "maxItems": 100,
      "uniqueItems": true,
      "items": {
        "type": "string",
        "maxLength": 500
      },
      "description": "经学校确认的实习岗位任务。"
    },
    "start_date": {
      "type": "string",
      "format": "date",
      "description": "实习开始日期。"
    },
    "end_date": {
      "type": ["string", "null"],
      "format": "date",
      "description": "计划或实际结束日期。"
    },
    "status": {
      "type": "string",
      "enum": ["planned", "active", "completed", "terminated", "cancelled"],
      "description": "实习业务状态。"
    },
    "salary_monthly": {
      "type": ["number", "null"],
      "minimum": 0,
      "maximum": 10000000,
      "description": "确认后的税前月实习工资，单位元。"
    },
    "enterprise_mentor_evaluation": {
      "type": ["string", "null"],
      "maxLength": 4000,
      "description": "企业导师业务评价，禁止包含学生敏感身份信息。"
    },
    "school_evaluation": {
      "type": ["string", "null"],
      "maxLength": 4000,
      "description": "学校指导教师或管理部门评价。"
    },
    "evidence_reference": {
      "type": ["string", "null"],
      "maxLength": 256,
      "description": "学校系统内的证据引用编号，不传输敏感附件。"
    },
    "source_system": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128,
      "description": "学校来源系统代码。"
    },
    "source_record_id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 256,
      "description": "校内来源系统记录标识。"
    },
    "source_updated_at": {
      "type": ["string", "null"],
      "format": "date-time",
      "description": "校内来源系统业务更新时间，建议作为增量水位。"
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "平台记录创建时间。"
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "平台记录更新时间。"
    },
    "data_version": {
      "type": "string",
      "pattern": "^SCH-INT-[0-9]{8}(?:-[0-9]{2})?$",
      "description": "校内实习数据版本。"
    },
    "is_deleted": {
      "type": "boolean",
      "default": false,
      "description": "版本化软删除标识。"
    },
    "content_hash": {
      "type": "string",
      "pattern": "^[a-f0-9]{64}$",
      "description": "去除非业务差异后的记录内容 SHA-256。"
    }
  },
  "allOf": [
    {
      "if": {
        "properties": {
          "status": {
            "enum": ["active", "completed"]
          }
        },
        "required": ["status"]
      },
      "then": {
        "anyOf": [
          {
            "properties": {
              "enterprise_token": {
                "type": "string",
                "pattern": "^ENT_[A-Za-z0-9_-]{24,128}$"
              }
            },
            "required": ["enterprise_token"]
          },
          {
            "properties": {
              "enterprise_name": {
                "type": "string",
                "minLength": 1,
                "maxLength": 300
              }
            },
            "required": ["enterprise_name"]
          }
        ]
      }
    }
  ]
}