Remove DB, Binance WebSocket, and Kraken pollers from btcprice.
UI now uses vanilla EventSource connecting to btcdata for live
price updates. btcprice is now a pure UI service with no database.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Kit framework with Undertow, Reitit routing, Hiccup + HTMX templating,
Tailwind CSS v4, PostgreSQL (empty database), and mobile-first index page.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>