{
  "id": "runtime-json-memory-fix",
  "name": "runtime-json-memory-fix",
  "title": "补齐完整运行态流式JSON持久化与单次任务状态提交",
  "description": "参考另一实例的修复，将完整运行态改为64KiB流式读写，取消序列化克隆与等值比较，归档提交内部保护更新的任务状态；保留已完成的历史分块存储和分页读取。",
  "status": "completed",
  "dev_type": "backend",
  "scope": "persistence",
  "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/json-persistence.js",
    "lib/session-history-store.js",
    "server.js",
    "scripts/json-persistence-unit.js",
    "scripts/runtime-state-memory-unit.js",
    "scripts/session-history-store-unit.js",
    "scripts/regression.js",
    ".trellis/spec/backend/session-history.md",
    ".trellis/spec/backend/quality-guidelines.md"
  ],
  "notes": "完整隔离集成回归、JSON10项、持久化38项通过。80MiB旧v1运行态在256MiB堆参数下RSS峰值210.5MiB，单次读写64KiB，正文摘要完整、write/fsync/rename失败保留旧档。未修改生产历史，未重启服务。",
  "meta": {}
}