{
  "synthetic": {
    "id": "synthetic",
    "displayName": "Synthetic scaffold dataset (60 instances, built-in)",
    "dataPath": "synthetic/placeholder.jsonl",
    "source": "synthetic"
  },
  "locomo": {
    "id": "locomo",
    "displayName": "LoCoMo (snap-research/locomo, canonical 1531-instance non-adversarial eval set)",
    "dataPath": "locomo/locomo-1540.jsonl",
    "source": "external"
  },
  "longmemeval": {
    "id": "longmemeval",
    "displayName": "LongMemEval V1 S-variant (xiaowu0162/longmemeval-cleaned, 500 questions, 115K tokens)",
    "dataPath": "longmemeval/longmemeval.jsonl",
    "source": "external"
  },
  "beam-128k": {
    "id": "beam-128k",
    "displayName": "BEAM 128K (mohammadtavakoli78/BEAM, ICLR 2026, 20 conversations ~128K tokens)",
    "dataPath": "beam/beam-128K.jsonl",
    "source": "external"
  },
  "beam-1m": {
    "id": "beam-1m",
    "displayName": "BEAM 1M (mohammadtavakoli78/BEAM, ICLR 2026, 35 conversations ~1M tokens)",
    "dataPath": "beam/beam-1M.jsonl",
    "source": "external"
  }
}