{
  "id": "history-memory-audit",
  "name": "history-memory-audit",
  "title": "修复完整历史归档内存回归",
  "description": "保留完整历史，使用不可变消息块、原子清单提交、分页读取和流式旧格式迁移，消除默认加载与保存的整份正文复制。",
  "status": "completed",
  "dev_type": null,
  "scope": null,
  "package": null,
  "priority": "P2",
  "creator": "shiyue",
  "assignee": "shiyue",
  "createdAt": "2026-10-14",
  "completedAt": "2026-10-14",
  "branch": null,
  "base_branch": "main",
  "worktree_path": null,
  "commit": null,
  "pr_url": null,
  "subtasks": [],
  "children": [],
  "parent": null,
  "relatedFiles": [
    "lib/session-history-store.js",
    "lib/json-persistence.js",
    "server.js",
    "scripts/session-history-store-unit.js",
    "scripts/session-history-memory-unit.js",
    "scripts/history-runtime-completion-unit.js",
    "scripts/codexapp-retry-history-unit.js",
    "scripts/regression.js",
    ".trellis/spec/backend/session-history.md"
  ],
  "notes": "修复完成：34项完整历史持久化回归及完整隔离集成回归通过。70.5MiB合成旧归档在256MiB堆上限下流式迁移，RSS峰值145.9MiB；1128条消息经67页逐条摘要校验完整，6次尾部保存复用37个原始块，旧文件单次读取最多64KiB。语法与差异检查通过。未修改生产历史，未重启服务，运行进程尚未生效。",
  "meta": {}
}