diff --git a/cameleer-server-app/src/main/java/com/cameleer/server/app/config/StorageBeanConfig.java b/cameleer-server-app/src/main/java/com/cameleer/server/app/config/StorageBeanConfig.java
index 775bbc7b..57fbc9be 100644
--- a/cameleer-server-app/src/main/java/com/cameleer/server/app/config/StorageBeanConfig.java
+++ b/cameleer-server-app/src/main/java/com/cameleer/server/app/config/StorageBeanConfig.java
@@ -123,9 +123,14 @@ public class StorageBeanConfig {
     }
 
     @Bean
-    public SearchIndex clickHouseSearchIndex(
+    public ClickHouseSearchIndex clickHouseSearchIndex(
             TenantProperties tenantProperties,
             @Qualifier("clickHouseJdbcTemplate") JdbcTemplate clickHouseJdbc) {
+        // Return type is the concrete class so Spring exposes the bean under both
+        // SearchIndex (for SearchIndexer) AND ClickHouseSearchIndex (for ExchangeMatchEvaluator,
+        // which calls countExecutionsForAlerting — a method that exists only on the concrete type).
+        // Declaring the return as the interface hides the concrete methods from autowire
+        // matching and crashloops the app on startup.
         return new ClickHouseSearchIndex(tenantProperties.getId(), clickHouseJdbc);
     }