- Create PaperStrategyInstance extending StrategyInstance
- Integrate PaperBroker for simulated order execution
- Add trade_order() method translating Blockly calls to broker
- Add mode selection in Strategies.create_strategy_instance()
- Update execute_strategy() to support paper/backtest/live modes
- Include comprehensive tests for paper trading functionality
Paper trading now works with:
- Market and limit orders
- Position tracking with P&L
- Balance management
- Trade history
- Reset functionality
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
