OpenCityLog

Review Bims-5 map, timeline, event rail, evidence drawer, filters, source panels, and export UI for planner usefulness, accessibility, performance, and provenance clarity. Use when changing geospatial frontend code, visual encodings, Mapbox/map layers, event selection, timeline replay, source/evidence interactions, or browser smoke tests.

Design or review Bims-5 proposal-impact logic as lightweight historical analogue lookup, local-context comparison, confidence labelling, and caveated descriptive summaries. Use when implementing proposal lens, impact lookup, analogue matching, contextual indicators, or confidence rules; avoid predictive simulation, fake precision, generic scores, and unsupported causal claims.

Maintain Bims-5 as a trustworthy open-source city change atlas. Use when writing or reviewing README, CONTRIBUTING, methodology docs, data-license docs, issue templates, release notes, examples, citation guidance, correction flows, governance docs, or public-facing project copy for contributors and data users.

Evaluate whether Bims-5 features, copy, roadmap items, and UI/product ideas serve real urban planners and public-interest users as an evidence-backed city changelog. Use when reviewing proposed features for planner value, bullshit risk, unsupported prediction, fake simulation, causality overclaiming, or scope creep away from the open-source city change atlas mission.

Build or review Bims-5 ETL scripts that produce city-change events, source manifests, provenance artifacts, schemas, and verification fixtures. Use when changing Python or Node data pipelines, normalizing public data, generating event/source/provenance JSON or NDJSON, adding city adapters, or ensuring every displayed claim traces to source rows, files, licenses, retrieval dates, geometry, and transformation methods.

Run final Bims-5 ship-readiness checks across docs, data provenance, ETL contracts, frontend smoke tests, accessibility, performance, open-source readiness, and legacy simulation removal/downgrade. Use before merging, tagging, publishing data packs, release notes, demos, or major pull requests.

Audit UK and US city data sources for Bims-5 before ingestion. Use when selecting or reviewing planning, development, transport, environmental, demographic, boundary, basemap, permit, zoning, air-quality, or open-data sources; check license, coverage years, update frequency, geographic scope, reliability, provenance fields, and whether the source supports observed city-change claims without overclaiming.