- Add server time synchronization for KuCoin API to fix timestamp error (400002)
- Return empty list instead of error when no available coins (ai500.go)
- Save cycle record even when no candidate coins (show in frontend without red error)
- Update Claude icon to Anthropic dark brand color (#141413)
- Add exchange and AI model icons to README.md and README.ja.md
- Add new MCP clients for Grok (xAI), OpenAI, Claude, Gemini, Kimi
- Update auto_trader, backtest, and strategy to support all providers
- Add provider icons and fix SVG gradient conflicts
- Add API application links and hints in model config modal
- Show model version in AI model list cards
- Add Chinese/English translations for provider hints
- Remove deprecated traders component files