We significantly improved our data visibility by expanding the EPIC_TO_YH_TICKER mapping from 34 to 97 entries, covering nearly the entire T1-PASS universe. This update also adds the yh_ticker as column B in the candidates_report, ensuring better source transparency. Additionally, we hardened the data pipeline by updating the _safe() function to properly handle inf/-inf values. Expanded YH ticker coverage

Expanded Yahoo Finance ticker mapping and added yh_ticker to candidates_report - Braumeister-Stefan/Tradinator