Persist trader V4 P0 decision trace

src/main/java/com/quantai/trader/config/JacksonConfig.java

@@ -0,0 +1,14 @@
+package com.quantai.trader.config;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.json.JsonMapper;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class JacksonConfig {
+    @Bean
+    ObjectMapper traderObjectMapper() {
+        return JsonMapper.builder().findAndAddModules().build();
+    }
+}