fix: remove default temperature on all QueryTransformer implementations

Signed-off-by: Alexandros Pappas <[email protected]>

Author: apappascs

spring-ai-core/src/main/java/org/springframework/ai/rag/preretrieval/query/transformation/CompressionQueryTransformer.java

@@ -84,7 +84,7 @@ public Query transform(Query query) {
 			.user(user -> user.text(this.promptTemplate.getTemplate())
 				.param("history", formatConversationHistory(query.history()))
 				.param("query", query.text()))
-			.options(ChatOptions.builder().temperature(0.0).build())
+			.options(ChatOptions.builder().build())
 			.call()
 			.content();
 

spring-ai-core/src/main/java/org/springframework/ai/rag/preretrieval/query/transformation/RewriteQueryTransformer.java

@@ -82,7 +82,7 @@ public Query transform(Query query) {
 			.user(user -> user.text(this.promptTemplate.getTemplate())
 				.param("target", this.targetSearchSystem)
 				.param("query", query.text()))
-			.options(ChatOptions.builder().temperature(0.0).build())
+			.options(ChatOptions.builder().build())
 			.call()
 			.content();
 

spring-ai-core/src/main/java/org/springframework/ai/rag/preretrieval/query/transformation/TranslationQueryTransformer.java

@@ -91,7 +91,7 @@ public Query transform(Query query) {
 			.user(user -> user.text(this.promptTemplate.getTemplate())
 				.param("targetLanguage", this.targetLanguage)
 				.param("query", query.text()))
-			.options(ChatOptions.builder().temperature(0.0).build())
+			.options(ChatOptions.builder().build())
 			.call()
 			.content();