Changelog

[1.0.0] – Initial Release

Added

• Initial public release of Options Chain Features (OCF)
• Deterministic, schema-driven options-chain feature pipeline
• Canonical normalization and validation layers
• OHLCV, implied volatility, liquidity, smile, and term structure features
• Per-option Black–Scholes Greeks
• Aggregate chain-level exposure features
• Public feature and Greeks APIs