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Phase 3: Trading-Kern (Risk, Execution, Portfolio) mit sicherem Broker-Default
- Core/Trading/TradingModels: Signal, Order(Request/Result), RiskContext/Decision,
Account, Position, Quote, ExecutionResult, Enums (Side/OrderType/Mode)
- IBrokerClient + NullBrokerClient (sicherer Default, handelt NIE bis IBKR-Adapter verifiziert)
- RiskService (+IRiskService): Sizing nach MaxTrade%, Modul-Limit, Slippage; Buy/Sell
- PortfolioService (+IPortfolioService): core_position + core_trade_history + core_budget
- ExecutionService (+IExecutionService): Signal -> Kurs -> Konto -> Risiko -> Order -> Buchung
- TradingSettings in AppSettings (Paper/Live, TradingEnabled, Risikoparameter)
- CoreMigrations: core_position; DI-Registrierung der Trading-Services
- Tests: RiskService (11) + ExecutionService (6, NSubstitute) -> 38/38 gruen
Offen (bewusst gekapselt): echter IbkrBrokerClient gegen Client-Portal-Gateway (manuell verifizieren).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Richard
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