f46cad4379
Backend: - Fixed auth issue where get_optional_user wasn't properly extracting tokens - Added user_id to conversational agent for proper auth context - Fixed DCA buy logic to support multiple buys on dips - Fixed sell logic to use amount_percent - Added comprehensive backtest engine tests - Fixed kline data validation for bad price data - Fixed chained tool calls handling Frontend: - BotCard now links to chat page instead of bot page - Chat page handles direct bot loading from dashboard - Various UI improvements and fixes Tests: - Added test_agent.py with mock client tests - Added test_backtest_engine.py with 7 comprehensive tests