Merge remote: resolve mlb_starters.py conflict — keep conn param + remote team canonical map

Accuracy overhaul: pitcher resolution logging, baseline recalibration, vig fix, XGBoost blend

Fix roster cache hammering: rate-limit empty/error retries to 5 minutes

Fix pitcher resolution table: roster cache, two-candidate fallback, debug rebuild

Feed odds API pitchers into debug pitcher resolution table

Fix pitcher resolution: add MLB roster fallback for batter team lookup

Fix pitcher resolution via canonical team mapping; remove live edge strip UI

Remove Fangraphs starter fallback in favor of MLB and Odds API

Add safe FanGraphs starter fallback

Props: multi-book concat-all, full pre-game model stack, pre-season statcast fallback