Refactor: bot pushes price data via API, drop yfinance from HF Space

Diagnostic: inline data fetch to debug MultiIndex handling

Diagnostic: introspect predict() signature and result format

Fix: use quantile_levels for Bolt predict, confidence from CI width

Fix: handle yfinance MultiIndex columns with droplevel

Fix: use ChronosBoltPipeline for Bolt models

Fix diagnostic imports, add step-by-step debugging

Fix: pin chronos-forecasting>=2.2 for Bolt model compatibility

Add diagnostic endpoint to debug Chronos loading

Fix: flatten close prices, add debug logging for Chronos

Switch to chronos-bolt-tiny for HF free tier memory

Initial prediction engine — Chronos forecasts + FinBERT sentiment

initial commit