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
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