{
  "id": "onechart-score-reconstruction",
  "name": "onechart-score-reconstruction",
  "title": "还原 OneChart 波段与单日资金流评分",
  "description": "只读数值还原 OneChart 单日与波段资金评分；12 日 9492 条公开样本精确重现，并完成 PostgreSQL 原始快照对照。",
  "status": "completed",
  "dev_type": null,
  "scope": null,
  "package": null,
  "priority": "P2",
  "creator": "yuxuanhui",
  "assignee": "yuxuanhui",
  "createdAt": "2026-09-21",
  "completedAt": "2026-09-21",
  "branch": null,
  "base_branch": "main",
  "worktree_path": null,
  "commit": null,
  "pr_url": null,
  "subtasks": [],
  "children": [],
  "parent": null,
  "relatedFiles": [],
  "notes": "研究完成。没有实施产品修改、修改数据库、共享规格推广或提交。输入版本与成员口径差异详见 research/database-validation.md。",
  "meta": {
    "work_kind": "read_only_research",
    "public_validation_rows": 9492,
    "public_score_max_abs_error": 3.410605131648481e-13,
    "database_latest_rows": 791,
    "database_ratio_mae": 0.9783318452555938,
    "database_swing_mae": 1.9075528008117222
  }
}