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I Luk Kim b88835cded feat(screener): add stock screener API with yfinance EquityQuery
Implements GET /api/v1/screener/stocks and GET /api/v1/screener/fields
for condition-based stock filtering without manual web searches.

- app/schemas/screener.py: ScreenerStockItem + ScreenerResponse Pydantic models
- app/services/screener_service.py: ScreenerService wrapping yfinance screen()
  via run_in_executor; exchange mapping (NYSE→NYQ, NASDAQ→NMS/NGM/NCM, etc.);
  btwn/gt/lt/is-in/eq EquityQuery builder; post-filter for ETF/FUND exclusion
- app/api/v1/endpoints/screener.py: /stocks (with_cache TTL=300) + /fields metadata
- app/api/v1/api.py: register screener router at prefix /screener
- app/main.py: add screener OpenAPI tag and HTML doc section with examples

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
5 months ago
..
overlay chore: remove SQLite entirely, PostgreSQL only 5 months ago
__init__.py Initial commit with full project improvements 5 months ago
alpaca_client.py Add Alpaca-specific DB table and Redis caching for Alpaca/FINRA endpoints 5 months ago
alpaca_price_service.py Add Alpaca-specific DB table and Redis caching for Alpaca/FINRA endpoints 5 months ago
etf_holdings_fetcher.py Add SEC filings indexing, search, and exhibit extraction (8-K, 6-K, 20-F, 40-F) 5 months ago
etf_loader_service.py Initial commit with full project improvements 5 months ago
financial_service.py Initial commit with full project improvements 5 months ago
finra_short_volume_service.py Add Alpaca-specific DB table and Redis caching for Alpaca/FINRA endpoints 5 months ago
fred_proxy_service.py Codebase improvements: caching decorator, Pydantic v2, DB indexes, connection pooling, Alembic 5 months ago
fred_service.py Initial commit with full project improvements 5 months ago
news_social_service.py Initial commit with full project improvements 5 months ago
price_data_service.py Add Alpaca-specific DB table and Redis caching for Alpaca/FINRA endpoints 5 months ago
real_sec_financial_service.py Initial commit with full project improvements 5 months ago
screener_service.py feat(screener): add stock screener API with yfinance EquityQuery 5 months ago
sec_data_service.py Initial commit with full project improvements 5 months ago
sec_edgar_service.py Add SEC filings indexing, search, and exhibit extraction (8-K, 6-K, 20-F, 40-F) 5 months ago
sec_filings_service.py feat(filings): add accepted_at field to filing search response 5 months ago
sec_http_client.py Codebase improvements: caching decorator, Pydantic v2, DB indexes, connection pooling, Alembic 5 months ago
yahoo_52week_gainers_service.py Initial commit with full project improvements 5 months ago
yahoo_most_active_service.py Initial commit with full project improvements 5 months ago