SFPark: interactive map of SF parking regulations
Summary
A detailed write-up about building SFPark, an interactive map of SF parking regulations, using LLM-assisted tooling (Claude Code) and rapid prototyping with Opus 4.5. The post covers sourcing public city data, pre-processing large GeoJSON datasets, and delivering a fast frontend with vector basemaps and compressed data, plus a lightweight backend workflow and open-source repository.