{
  "generated_at": "2026-08-22",
  "repo": "edu-content",
  "model": "L1 source registry (git) + L2 raw (OSS edu-raw/) + L3 structured (git)",
  "oss": {
    "bucket": "edu-content-hy",
    "region": "oss-cn-heyuan",
    "prefixes": [
      "edu-raw/",
      "edu-derived/"
    ]
  },
  "redline": "restricted / internal-only / unknown 数据永不可进 derived，永不可对外产品使用",
  "sources": {
    "domains": {
      "internal": 4,
      "china": 8,
      "exams": 4
    },
    "n_sources": 16,
    "license_breakdown": {
      "internal-only": 4,
      "official-free": 3,
      "cc-nc-education": 6,
      "cc-by": 1,
      "unknown": 2
    }
  },
  "structured": {
    "datasets": {
      "exams/pet/vocab/b1-preliminary-vocab.jsonl": 3164,
      "exams/pet/questions/cepoc-b1-preliminary.jsonl": 21,
      "exams/ket/vocab/a2-key-vocab.jsonl": 1738,
      "exams/ket/questions/cepoc-a2-key.jsonl": 6
    },
    "n_records": 4929,
    "license_breakdown": {
      "cc-nc-education": 27
    }
  },
  "entrypoints": {
    "human": "README.md",
    "machine": "INDEX.json",
    "license": "LICENSES.md",
    "conventions": "docs/conventions.md"
  }
}