Building accessible headless UI primitives from first principles
What changes when accessibility behavior is treated as product logic instead of a final checklist.
Technical ledger · 6 entries
Notes from systems I have built.
Architecture decisions, interaction patterns, and lessons from shipping real product experiments.
↗
The architecture of retrieval: when RAG needs more than vectors
Why vector similarity is only one retrieval signal, and how graph context makes grounded answers more dependable.
Synchronizing external data with user-owned state
The architecture behind keeping public media metadata and private tracking progress in sync without confusing ownership.
A bento grid is a responsive information system
Why a visually playful grid still needs strict rules for priority, rhythm, and mobile reading order.
From design system to full-stack system
A polished component library matters, but the deeper design work lives in states, rules, and transitions.
Latency is a UX problem
A fast endpoint can still create a slow product. The useful unit of performance is the user’s complete wait.