https://tiyukains.com CS graduate turning code into business insight. Writing about AI, design, and learning in public. en https://tiyukains.com/posts/english-learning https://tiyukains.com/posts/english-learning Sat, 20 Jun 2026 00:00:00 GMT https://tiyukains.com/posts/markdown-test https://tiyukains.com/posts/markdown-test Sat, 20 Jun 2026 00:00:00 GMT https://tiyukains.com/posts/book-to-notes https://tiyukains.com/posts/book-to-notes Tue, 02 Jun 2026 00:00:00 GMT https://tiyukains.com/posts/agent-memory https://tiyukains.com/posts/agent-memory Thu, 28 May 2026 00:00:00 GMT 综合 Mem0 / MemGPT / Zep / A-MEM / MemEngine / Memory-as-Metabolism 等主流方案的研究总结。 ## 为什么不能只靠上下文窗口 | 问题 | 数据 | |------|------| | 成本失控 | 保留 7 天完整对话日志 ≈ 300× 新请求的 token 消耗 | | 延迟爆炸 | 上下文超 512K token 后首 token 延迟 > 2s | | "中间遗忘" | 100 万 token 窗口，早期信息召回准确率降至 35% 以下（Stanford 研究） | | 事实混淆 | 全量注入历史对话，跨用户信息污染...]]> https://tiyukains.com/posts/agent-hooks https://tiyukains.com/posts/agent-hooks Wed, 27 May 2026 00:00:00 GMT https://tiyukains.com/posts/claude-code-extensions https://tiyukains.com/posts/claude-code-extensions Wed, 27 May 2026 00:00:00 GMT https://tiyukains.com/posts/obsidian-claude-pkm https://tiyukains.com/posts/obsidian-claude-pkm Fri, 22 May 2026 00:00:00 GMT 参考花叔《Obsidian + Claude Code：用 AI 重建你的第二大脑》及 [obsidian-ai-orange-book](https://github.com/alchaincyf/obsidian-ai-orange-book)，结合个人实践经验。 ## 核心论点 **Obsidian（本地 Markdown 文件夹）+ Claude Code（AI Agent）= 个人知识管理的最优解。** 人不擅长整理和检索，AI 擅长。人负责记录和思考，AI 负责整理、关联、检索和维护。你只管往里丢东西，AI 帮你织网。 ## 为什么是 Obsidian ### Mar...]]>