fix: Implemented the doChatCompletionStream abstract method for abstr…

…act class AbstractFunctionCallSupport in ZhiPuAiChatClient

models/spring-ai-zhipuai/src/main/java/org/springframework/ai/zhipuai/ZhiPuAiChatClient.java

@@ -27,6 +27,7 @@
 import org.springframework.ai.model.ModelOptionsUtils;
 import org.springframework.ai.model.function.AbstractFunctionCallSupport;
 import org.springframework.ai.model.function.FunctionCallbackContext;
+import org.springframework.ai.retry.RetryUtils;
 import org.springframework.ai.zhipuai.api.ZhiPuAiApi;
 import org.springframework.ai.zhipuai.api.ZhiPuAiApi.ChatCompletion;
 import org.springframework.ai.zhipuai.api.ZhiPuAiApi.ChatCompletion.Choice;
@@ -36,7 +37,6 @@
 import org.springframework.ai.zhipuai.api.ZhiPuAiApi.ChatCompletionMessage.Role;
 import org.springframework.ai.zhipuai.api.ZhiPuAiApi.ChatCompletionMessage.ToolCall;
 import org.springframework.ai.zhipuai.api.ZhiPuAiApi.ChatCompletionRequest;
-import org.springframework.ai.retry.RetryUtils;
 import org.springframework.http.ResponseEntity;
 import org.springframework.retry.support.RetryTemplate;
 import org.springframework.util.Assert;
@@ -359,7 +359,10 @@ protected ResponseEntity<ChatCompletion> doChatCompletion(ChatCompletionRequest
 
 	@Override
 	protected Flux<ResponseEntity<ChatCompletion>> doChatCompletionStream(ChatCompletionRequest request) {
-		throw new RuntimeException("Streaming Function calling is not supported");
+		return this.zhiPuAiApi.chatCompletionStream(request)
+			.map(this::chunkToChatCompletion)
+			.map(Optional::ofNullable)
+			.map(ResponseEntity::of);
 	}
 
 	@Override