added RequiredArgsConstructor annotation

backend/src/main/java/com/vaessl/app/vector/EmbeddingService.java

@@ -11,6 +11,7 @@ import org.springframework.ai.vectorstore.filter.FilterExpressionBuilder;
 import org.springframework.stereotype.Service;
 import com.vaessl.app.shared.ServiceItem;
 import com.vaessl.app.shared.ServiceType;
+import lombok.RequiredArgsConstructor;
 
 /**
  * Embeds {@link ServiceItem}s into the shared vector store and prunes entries that no longer exist
@@ -18,14 +19,11 @@ import com.vaessl.app.shared.ServiceType;
  * singleton bean shared across concurrent sync runs; callers own the per-sync ID accumulator.
  */
 @Service
+@RequiredArgsConstructor
 public class EmbeddingService {
 
     private final VectorStore vectorStore;
 
-    public EmbeddingService(VectorStore vectorStore) {
-        this.vectorStore = vectorStore;
-    }
-
     /**
      * Embeds and upserts {@code items} into the vector store, appending each item's ID to
      * {@code currentItemIds} so the caller can later prune stale entries via