Fix duplicate keys in ChatResponseMetadata for OllamaApi.ChatResponse metadata

Signed-off-by: jitokim <[email protected]>

Author: jitokim

models/spring-ai-ollama/src/main/java/org/springframework/ai/ollama/OllamaChatModel.java

@@ -74,6 +74,7 @@
  * @author Christian Tzolov
  * @author luocongqiu
  * @author Thomas Vitale
+ * @author Jihoon Kim
  * @since 1.0.0
  */
 public class OllamaChatModel extends AbstractToolCallSupport implements ChatModel {
@@ -118,8 +119,8 @@ public static ChatResponseMetadata from(OllamaApi.ChatResponse response) {
 			.withKeyValue("eval-duration", response.evalDuration())
 			.withKeyValue("eval-count", response.evalCount())
 			.withKeyValue("load-duration", response.loadDuration())
-			.withKeyValue("eval-duration", response.promptEvalDuration())
-			.withKeyValue("eval-count", response.promptEvalCount())
+			.withKeyValue("prompt-eval-duration", response.promptEvalDuration())
+			.withKeyValue("prompt-eval-count", response.promptEvalCount())
 			.withKeyValue("total-duration", response.totalDuration())
 			.withKeyValue("done", response.done())
 			.build();