- Leaflet.js map with dark tiles showing real Chicago building permits
- Dots sized and colored by project cost ($1B+ red, $100M+ orange, $10M+ blue)
- Hover any dot for project details — address, cost, description, date
- LIVE indicator with green pulse dot
- Timestamp showing when data was fetched
- "Verify source" link goes directly to Chicago Open Data portal
- "Refresh" button re-fetches from the API on click
- Expanded to 50 permits for denser map coverage
- Legend showing dot size scale
No one can say "you just typed those numbers in" when they can
click a dot on the map, see 10000 W OHARE ST, and verify it
themselves on data.cityofchicago.org.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>