feat: support glm-4.6 model

Author: tomsun28

samples/src/main/ai.z.openapi.samples/ChatAsyncCompletionExample.java

@@ -30,7 +30,7 @@ public static void main(String[] args) {
 
         // Create chat request
         ChatCompletionCreateParams request = ChatCompletionCreateParams.builder()
-            .model(Constants.ModelChatGLM4_5)
+            .model("glm-4.6")
             .messages(Arrays.asList(
                 ChatMessage.builder()
                     .role(ChatMessageRole.USER.value())

samples/src/main/ai.z.openapi.samples/ChatCompletionWithCustomHeadersExample.java

@@ -22,7 +22,7 @@ public static void main(String[] args) {
 
         // Create chat request
         ChatCompletionCreateParams request = ChatCompletionCreateParams.builder()
-                .model(Constants.ModelChatGLM4_5)
+                .model("glm-4.6")
                 .messages(Arrays.asList(
                         ChatMessage.builder()
                                 .role(ChatMessageRole.USER.value())