phase-10.5: market screener ui enhancements

ui/src/lib/api/index.ts

@@ -5,3 +5,4 @@
 export { screenTickers, fetchCatalysts, analyzeTickers } from './screener.js';
 export { fetchPortfolio, addHolding, removeHolding, fetchMarketContext } from './finance.js';
 export { fetchCalls, fetchCall, createCall, deleteCall, fetchCallsCalendar } from './calls.js';
+export { login, register, authFetch } from './auth.js';