feat: implement agent core components including planner, executor, orchestrator, and memory management while refactoring tool result presentation

loyalty-agent/pom.xml

@@ -45,6 +45,14 @@
             <artifactId>spring-boot-starter-webflux</artifactId>
         </dependency>
 
+        <!-- Netty DNS Resolver for MacOS (Apple Silicon) -->
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-resolver-dns-native-macos</artifactId>
+            <classifier>osx-aarch_64</classifier>
+            <scope>runtime</scope>
+        </dependency>
+
         <!-- OAuth2 Client -->
         <dependency>
             <groupId>org.springframework.boot</groupId>