- Updated create_mock_agent() to remove references to deleted methods (get_positions, get_last_trade, get_current_prices)
- Replaced position/holdings write tests with initial position creation test
- Added set_context AsyncMock to properly test async agent flow
- Skipped deprecated tests that verified removed _write_results_to_db() and _calculate_portfolio_value() methods
- All model_day_executor tests now pass (11 passed, 3 skipped)
- Add _create_trading_session() method to create session records
- Add async _store_reasoning_logs() to store conversation with AI summaries
- Add async _update_session_summary() to generate overall session summary
- Modify execute() -> execute_async() with async workflow
- Add execute_sync() wrapper and keep execute() as sync entry point
- Update _write_results_to_db() to accept and use session_id parameter
- Modify positions INSERT to include session_id foreign key
- Remove old reasoning_logs code block (obsolete schema)
- Add comprehensive unit tests for all new functionality
All tests pass. Session-based reasoning storage now integrated.
