Welcome to my posts!https://yl.do/https://yl.do/en/posts/prompt-engineering-guide/https://yl.do/en/posts/prompt-engineering-guide/Starting from a support-ticket classification case, this covers how to design prompts, which frameworks to reach for, how to evaluate them, and how retrieval, reasoning, agents, and safety boundaries plug into the basic pipeline.https://yl.do/en/posts/context-engineering/https://yl.do/en/posts/context-engineering/Using a refund agent as a running example, this covers what context engineering manages, how it differs from prompt engineering, and how to write, select, compress, and isolate context in practice.https://yl.do/en/posts/markdown-syntax-guide/https://yl.do/en/posts/markdown-syntax-guide/A complete overview of the Markdown, MDX, code block, math, callout, and card syntax supported by this blog.https://yl.do/en/posts/jev/https://yl.do/en/posts/jev/TypeSafe AI just released Jev, a model that skips text generation and turns program state directly into a structured judgment. What it solves, and how it relates to Structured Output and agents.