Add deprecated tools(String...) method for backwards compat on ChatClient

spring-ai-client-chat/src/main/java/org/springframework/ai/chat/client/ChatClient.java

@@ -222,6 +222,12 @@ public interface ChatClient {
 
 		ChatClientRequestSpec toolNames(String... toolNames);
 
+		/**
+		 * Use toolNames instead
+		 */
+		@Deprecated(forRemoval = true, since = "1.0.0-m8")
+		ChatClientRequestSpec tools(String... toolNames);
+
 		ChatClientRequestSpec tools(Object... toolObjects);
 
 		ChatClientRequestSpec toolCallbacks(ToolCallback... toolCallbacks);
@@ -289,6 +295,9 @@ public interface ChatClient {
 
 		Builder defaultToolNames(String... toolNames);
 
+		@Deprecated
+		Builder defaultTools(String... tools);
+
 		Builder defaultTools(Object... toolObjects);
 
 		Builder defaultToolCallbacks(ToolCallback... toolCallbacks);

spring-ai-client-chat/src/main/java/org/springframework/ai/chat/client/DefaultChatClient.java

@@ -833,6 +833,11 @@ public class DefaultChatClient implements ChatClient {
 			return this;
 		}
 
+		@Override
+		public ChatClientRequestSpec tools(String... toolNames) {
+			return this.toolNames(toolNames);
+		}
+
 		@Override
 		public ChatClientRequestSpec toolNames(String... toolNames) {
 			Assert.notNull(toolNames, "toolNames cannot be null");

spring-ai-client-chat/src/main/java/org/springframework/ai/chat/client/DefaultChatClientBuilder.java

@@ -150,6 +150,11 @@ public class DefaultChatClientBuilder implements Builder {
 		return this;
 	}
 
+	@Override
+	public Builder defaultTools(String... toolNames) {
+		return defaultToolNames(toolNames);
+	}
+
 	@Override
 	public Builder defaultToolNames(String... toolNames) {
 		this.defaultRequest.toolNames(toolNames);