Hyacehila's Blog

Embedding visualization is not just a pretty UMAP plot; it is a diagnostic layer for RAG retrieval, coverage, chunking, confusion, and data quality.

Agentic coding has pushed many developers back to the terminal. The CLI is convenient today because it is light, scriptable, and easy for agents to drive. That does not mean the GUI is dead. This post starts from a terminal-centered workflow and argues that CLI belongs in the tool-composition layer, while review and orchestration will move back to GUI.

A rolling collection of resources you can plug into agents and coding CLIs: Skills, MCP servers, plugins, and small tools that are handy enough to keep.

Generative AI expands not only productivity, but also the boundary of individual action and experimentation. As code gets cheaper, engineers need product thinking, distribution, and validation.

On a rainy night, the Wordless Stele at Qianling reveals to each reader the official history they already believe; an indebted stonemason must seal an old crack with his own name.

A series guide to The Epitaph Protocol: how epitaphs, final letters, tombs, and memorial formulas become mechanisms for sealing, verifying, and delaying historical branches.

A work-in-progress record of job hunting and interview preparation that will keep evolving with applications, interviews, feedback, and role research.

AI agents matter less as a way to make games automatically and more as a way to connect models, tools, content generation, and feedback loops to production workflows that can be checked, rolled back, and audited.

Science fiction is not a technical report about new technologies. This post starts from world and Chinese science-fiction history to discuss futures, historical branches, and social science as new material.

During Qingming Festival, Lin Qiming’s digital ancestor service is about to expire, and a family must choose whether to keep maintaining the dead or let him rest a second time.