Andrew Kaszubski 6642047eaa feat(portfolio): add Portfolio State for holdings and mark-to-market - Issue #29 (68 tests) ... Implements comprehensive portfolio state management: - Holding dataclass with long/short support and P&L calculations - CashBalance for multi-currency cash management - PortfolioState class with: - Real-time mark-to-market valuation - Multi-currency support with exchange rate conversion - Thread-safe state updates - Position tracking with average cost calculation - Portfolio snapshots for historical tracking - PriceProvider and ExchangeRateProvider protocols - Serialization/deserialization support 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>		2025-12-26 21:37:17 +11:00
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validate_agent_output.py	feat(portfolio): add Portfolio State for holdings and mark-to-market - Issue #29 (68 tests)	2025-12-26 21:37:17 +11:00