brkcnplt/fintech-api

fix(backend): use split/dividend-adjusted prices for calculate-costs

backend: JWT_TOKEN env var alias for MALI_TABLOLAR_TOKEN

perf: migrate helpers to shared httpx pool + default User-Agent

test: backend fallback helpers — TCMB, Yahoo, gold calc, health

backend: connection pool singleton + cache race-safety

backend: security + remove fake data endpoints

backend: observability + API versioning foundation

backend: extend fallback — Yahoo gold + BIST100 + /api/sirketler

backend: add TCMB fallback for /api/doviz/guncel (USD/EUR)

backend: renew malitablolar token + reliability fixes

Deploy backend to HuggingFace and fix all API endpoints

Add US stocks and ETFs to portfolio with USD/TL currency conversion

Add USA Portfolio Monitor with AI infrastructure stocks tracking

Increase parallel scanner workers from 6 to 12

BIST scanner improvements: parallel scanning, 2-tab UI, swipe watchlist

Add BIST Technical Analysis with 600+ stock scanner and watchlist

Add broker success ranking tab and UI improvements

Add Modelin Modeli feature with tab-based Model Portfolio UI

Model portfolio page with real API integration and enhanced UI

Dividend page enhancements: TCMB rates, USD display, and UI improvements

Replace all mock APIs with real data sources

Benchmark comparison, batch API, and real data integration

Portfolio enhancements: USD tracking, Excel import, and template export

Initial commit: FinTech mobile app with FastAPI backend