Fix named AiService handling

Author: geoand

core/deployment/src/main/java/io/quarkiverse/langchain4j/deployment/AiServicesProcessor.java

@@ -718,8 +718,6 @@ public void handleDeclarativeServices(AiServicesRecorder recorder,
                 allToolProviders.add(toolProvider);
             }
 
-            bi.getBeanName().ifPresent(beanName -> configurator.named(beanName));
-
             configurator
                     .addInjectionPoint(ParameterizedType.create(DotNames.CDI_INSTANCE,
                             new Type[] { ClassType.create(OutputGuardrail.class) }, null))
@@ -1057,12 +1055,16 @@ public void handleAiServices(
                 try (ClassCreator classCreator = classCreatorBuilder.build()) {
                     if (isRegisteredService) {
                         // we need to make this a bean, so we need to add the proper scope annotation
-                        DotName scopeInfo = declarativeAiServiceItems.stream()
+                        DeclarativeAiServiceBuildItem matchingBI = declarativeAiServiceItems.stream()
                                 .filter(bi -> bi.getServiceClassInfo().equals(iface))
                                 .findFirst().orElseThrow(() -> new IllegalStateException(
-                                        "Unable to determine the CDI scope of " + iface))
-                                .getCdiScope();
+                                        "Unable to determine the CDI scope of " + iface));
+                        DotName scopeInfo = matchingBI.getCdiScope();
                         classCreator.addAnnotation(scopeInfo.toString());
+                        if (matchingBI.getBeanName().isPresent()) {
+                            classCreator.addAnnotation(
+                                    AnnotationInstance.builder(NAMED).add("value", matchingBI.getBeanName().get()).build());
+                        }
                     }
 
                     FieldDescriptor contextField = classCreator.getFieldCreator("context", QuarkusAiServiceContext.class)

model-providers/openai/openai-vanilla/deployment/src/test/java/org/acme/examples/aiservices/DeclarativeAiServicesTest.java

@@ -22,6 +22,7 @@
 import jakarta.enterprise.context.ApplicationScoped;
 import jakarta.enterprise.context.control.ActivateRequestContext;
 import jakarta.inject.Inject;
+import jakarta.inject.Named;
 import jakarta.inject.Singleton;
 
 import org.eclipse.microprofile.config.inject.ConfigProperty;
@@ -495,6 +496,20 @@ public void test_image_describer() throws Exception {
         unwrapped.getClass().getConstructor(QuarkusAiServiceContext.class).getAnnotation(Inject.class);
     }
 
+    @RegisterAiService
+    @Named("namedAssistant")
+    @ApplicationScoped
+    interface NamedAssistant extends AssistantBase {
+
+        String chat(String message);
+    }
+
+    @Test
+    public void test_named_assistant() throws Exception {
+        Object namedAssistant = Arc.container().instance("namedAssistant").get();
+        assertThat(namedAssistant).isInstanceOf(NamedAssistant.class);
+    }
+
     private void doTestImageDescriber(Supplier<String> describerSupplier) throws IOException {
         wiremock().register(post(urlEqualTo("/v1/chat/completions"))
                 .withRequestBody(matchingJsonPath("$.model", equalTo("gpt-4o-mini")))