Mastra 更新：Knowledge 页面树、Agent 持久化与可观测性升级
原标题：November 4, 2026
AI 摘要
Mastra 发布多项更新：Knowledge 升级为页面树模型，新增服务端同步 API、只读 HTTP/JS 客户端接口与 SSE 变更流；持久化 Agent 支持跨 API 重启续跑，但需具备 fencing 能力的共享存储；后台任务与 MCP 支持可恢复的“需要输入”流程；可观测性新增流式延迟指标与更丰富的 trace 过滤。同时包含若干破坏性变更，如 Temporal 步骤默认校验输入、移除实验性 memory 选项与 knowledge.reindex()。
正文节选
## Highlights ### Knowledge v2: page-tree model, richer tools, and server-side sync APIs Knowledge is now a first-class page tree (pages/notes/pins) with major tool upgrades: `knowledge_list`, line/section/grep-style reads in `knowledge_read`, list pinning (`kind: 'list'`), and a link index for counting/listing `[[links]]`. Apps can also sync external content via server APIs like `knowledge.upsertPage()`/`removePage()` and note upserts, with optional vector/hybrid search and chunked embeddin