— Journal · API
W27 · Pin Down the Vague.
One concept, three names, three layers — so nothing lined up. This week I pinned it down.
160 words1 min
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Follow categories, series, tags, and time.
— Journal · Fonts
W26 · Fonts Arrive First.
One Chinese typeface weighed seventeen megabytes. Split into ranges, first paint drops under one — and the page finally looks like itself.
148 words1 min
— Journal · Incident
W25 · A Bad Rollback.
The rollback took forty minutes. Thirty-five of them went to working out which version to roll back to.
129 words1 min
— Journal · API
W24 · Interfaces as Contracts.
Renamed one field. Three downstream places broke at once. A week spent re-learning the word "contract".
141 words1 min
— Journal · Tools
W23 · Fewer Tools.
Deleted four tools I never opened. Output held steady; the low-grade anxiety halved.
126 words1 min
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— Journal · API
W27 · Pin Down the Vague.
One concept, three names, three layers — so nothing lined up. This week I pinned it down.
160 words1 min
— Reports · Tools
June · Converging the Toolchain.
June shipped no new features. It only made the existing ones hold. It may be the most valuable month of the year.
146 words1 min
— Journal · Fonts
W26 · Fonts Arrive First.
One Chinese typeface weighed seventeen megabytes. Split into ranges, first paint drops under one — and the page finally looks like itself.
148 words1 min
— Journal · Incident
W25 · A Bad Rollback.
The rollback took forty minutes. Thirty-five of them went to working out which version to roll back to.
129 words1 min
— Journal · API
W24 · Interfaces as Contracts.
Renamed one field. Three downstream places broke at once. A week spent re-learning the word "contract".
141 words1 min
— Tech · Agents
Wiring an Agent into Your System.
An agent is not a new system. It is a new client of the system you already run — treat it like one.
180 words1 min
— Journal · Tools
W23 · Fewer Tools.
Deleted four tools I never opened. Output held steady; the low-grade anxiety halved.
126 words1 min
— Reports · Mini Program
May · The Mini Program as a Card.
In May one thing became clear: the mini program is not a mirror of the site. It is a business card that moves.
132 words1 min
— Tech · Evaluation
Evaluation First, Then Everything Else.
Without an eval set, every change is a hunch. With one, iteration finally means something.
194 words1 min
— Tech · Context
Context Matters More Than Prompts.
Prompt tuning hits a ceiling fast. What actually decides output quality is the material you feed in.
184 words1 min
— Reports · Notes
April · Rebuilding the Knowledge System.
In April I moved my notes out of the tools and reorganised them around one question: can this ever be cited?
118 words1 min
— Tech · LLM
Let the Model Do What It Is Good At.
Models are good at making vague things concrete. They are bad at guaranteeing that something happens. That boundary is where engineering lives.
197 words1 min
— Reports · Go
What is new in Go 1.15?
A field note on Go 1.15, with editorial components for code, references, tabs, steps, and callouts.
998 words5 min