v0.4.0

What's Changed

• IBKR event-delivery robustness: reject incomplete contracts, warn on short fetches, in-band stream termination by @Niqnil in #133
• feat(execution): emit in-band StreamTerminated at every venue's stream death by @Niqnil in #134
• perf(binance): single-pass BinanceSpot user-data WS deserialization (#116, #117) by @Niqnil in #137
• refactor(rustrade-data): make Channels::try_from SubKind match exhaustive by @Niqnil in #138
• feat(statistic): caller-selectable BalanceBasis (gross/net-asset) for drawdown and balance by @Niqnil in #139
• Extend named constructor for Alpaca and Binance Spot by @JGcarv in #135
• feat(databento): OHLCV candle support for historical and live feeds by @Niqnil in #140
• fix: kline subscription-id single-source-of-truth, IBKR option-chain caching, cross-venue config consistency (#124, #132, #136) by @Niqnil in #141
• ci: add non-blocking early-warning build against latest deps by @Niqnil in #143
• chore(release): prepare v0.4.0 by @Niqnil in #144
• release: v0.4.0 by @Niqnil in #145

New Contributors

• @JGcarv made their first contribution in #135

Full Changelog: v0.3.0...v0.4.0