夜 / siyuan 的个人博客 — AI 训练师、量化研究员、Flutter 开发者，也写字。https://freetrip.vercel.app/https://freetrip.vercel.app/blog/app-free-phone-four-stages/https://freetrip.vercel.app/blog/app-free-phone-four-stages/从苹果与 OpenAI 的合作说起，拆解手机交互从「图形交互」到「意图驱动」的范式转移，以及无 App 手机走向数字中枢的四个进化阶段，与设计师、产品经理、商业生态面临的重构。Thu, 18 Jun 2026 00:00:00 GMThttps://freetrip.vercel.app/blog/app-free-phone-four-stages-en/https://freetrip.vercel.app/blog/app-free-phone-four-stages-en/Starting from the Apple–OpenAI collaboration, this piece unpacks the paradigm shift in phone interaction from graphical to intent-driven, the four evolution stages of the app-free phone becoming a digital hub, and the reshaping of designers, PMs, and the business ecosystem.Thu, 18 Jun 2026 00:00:00 GMThttps://freetrip.vercel.app/blog/empty-shell-agent-self-evolution/https://freetrip.vercel.app/blog/empty-shell-agent-self-evolution/拆解基于 Gemini 3 Pro 的 Yunjue-Agent：零启动造工具、二元反馈与 EGL 动态刹车，以及把「自进化」从训练阶段搬到推理阶段背后的范式转移、成本陷阱与场景局限。Thu, 18 Jun 2026 00:00:00 GMThttps://freetrip.vercel.app/blog/empty-shell-agent-self-evolution-en/https://freetrip.vercel.app/blog/empty-shell-agent-self-evolution-en/A breakdown of Gemini 3 Pro–backed Yunjue-Agent: zero-start tool synthesis, binary feedback, and the EGL dynamic brake — plus the paradigm shift, cost traps, and scenario limits behind moving self-evolution from training to inference time.Thu, 18 Jun 2026 00:00:00 GMThttps://freetrip.vercel.app/blog/math-app-finetune-case/https://freetrip.vercel.app/blog/math-app-finetune-case/从一道拍照批改的错题说起，记录我怎么把 Doubao-Seed-1.6-flash 调到能看懂小学生手写竖式的全过程，含真实 before/after 输出对比。Thu, 28 May 2026 00:00:00 GMThttps://freetrip.vercel.app/blog/math-app-finetune-case-en/https://freetrip.vercel.app/blog/math-app-finetune-case-en/Starting from a single photo-graded wrong answer, this is the full record of how I tuned Doubao-Seed-1.6-flash until it could read a primary schooler's handwritten long-form arithmetic — with real before/after output comparisons.Thu, 28 May 2026 00:00:00 GMThttps://freetrip.vercel.app/blog/first-post/https://freetrip.vercel.app/blog/first-post/为什么我选择用书籍目录页的风格来设计个人博客Tue, 28 Apr 2026 00:00:00 GMThttps://freetrip.vercel.app/blog/first-post-en/https://freetrip.vercel.app/blog/first-post-en/Why I chose the style of a book's table-of-contents page to design my personal blogTue, 28 Apr 2026 00:00:00 GMThttps://freetrip.vercel.app/blog/second-post/https://freetrip.vercel.app/blog/second-post/零 JavaScript、内容优先、Markdown 原生支持Mon, 27 Apr 2026 00:00:00 GMThttps://freetrip.vercel.app/blog/second-post-en/https://freetrip.vercel.app/blog/second-post-en/Zero JavaScript, content-first, native Markdown supportMon, 27 Apr 2026 00:00:00 GMT