Update: Merge nofx improvements

- Frontend trading records and UI enhancements
- Optimized AI prompts and decision engine
- Performance analysis and comparison features
- Binance-style UI improvements

market/ai_signal.go

@@ -262,10 +262,13 @@ func callDeepSeekAPIOnce(prompt string) (string, error) {
 				"content": prompt,
 			},
 		},
-		"temperature": 0.7,
+		"temperature": 0.5, // 降低temperature以提高JSON格式稳定性
 		"max_tokens":  2000,
 	}
 
+	// 注意：response_format 参数仅 OpenAI 支持，DeepSeek/Qwen 不支持
+	// 我们通过强化 prompt 和后处理来确保 JSON 格式正确
+
 	jsonData, err := json.Marshal(requestBody)
 	if err != nil {
 		return "", fmt.Errorf("序列化请求失败: %w", err)