fix(ai-web): 修复chartjs工具获取bean错误

service-ai/service-ai-web/src/main/java/com/lanyuanxiaoyao/service/ai/web/WebApplication.java

@@ -34,6 +34,10 @@ public class WebApplication implements ApplicationRunner, ApplicationContextAwar
     return context.getBean(clazz);
   }
 
+  public static <T> T getBean(String name, Class<T> clazz) {
+    return context.getBean(name, clazz);
+  }
+
   @Override
   public void run(ApplicationArguments args) {
   }

service-ai/service-ai-web/src/main/java/com/lanyuanxiaoyao/service/ai/web/tools/ChartTool.java

@@ -44,7 +44,7 @@ public class ChartTool {
           """) String request
   ) {
     log.info("Enter method: mermaid[request]. request:{}", request);
-    ChatClient.Builder builder = WebApplication.getBean(ChatClient.Builder.class);
+    ChatClient.Builder builder = WebApplication.getBean("chat", ChatClient.Builder.class);
     ChatClient client = builder.build();
     return client.prompt()
         // language=TEXT