추세검색 설정 수정

backend/src/main/java/com/goldenchart/config/TrendSearchSchedulerConfig.java

@@ -0,0 +1,29 @@
+package com.goldenchart.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+
+import java.util.concurrent.Executor;
+
+/**
+ * 추세검색 전용 단일 스레드 실행기 — 메인 API·라이브 전략 스케줄과 분리.
+ */
+@Configuration
+public class TrendSearchSchedulerConfig {
+
+    @Bean(name = "trendSearchExecutor")
+    public Executor trendSearchExecutor(
+            @Value("${goldenchart.trend-search.scheduler.queue-capacity:16}") int queueCapacity) {
+        ThreadPoolTaskExecutor ex = new ThreadPoolTaskExecutor();
+        ex.setThreadNamePrefix("trend-search-");
+        ex.setCorePoolSize(1);
+        ex.setMaxPoolSize(1);
+        ex.setQueueCapacity(queueCapacity);
+        ex.setWaitForTasksToCompleteOnShutdown(true);
+        ex.setAwaitTerminationSeconds(30);
+        ex.initialize();
+        return ex;
+    }
+}