Screen stocks by listing fields, Highlights, keyfigures (incl. aliases like pe/roe/market_cap), and/or market signals. At least one of filters, signals, or preset is required. Supports preset=quality with explicit thresholds; pagination up to limit 1000. See OpenAPI filters/signals/preset params for the full field catalog. All symbols must use the format SYMBOL.EXCHANGE (e.g., AAPL.US or SAP.XETRA). If exchange is unknown, use general_isin first. (Path: GET /api/v1/public/general/screener)