feat: wire up frequency and presence penalties for Gemini models

Bump LangChain4j to 1.16.1-TB1, which adds frequencyPenalty and
presencePenalty support to the langchain4j-google-genai integration,
and pass both parameters through for Google Gemini and Google Vertex AI
Gemini models.

application/src/main/java/org/thingsboard/server/service/ai/Langchain4jChatModelConfigurerImpl.java

@@ -104,6 +104,8 @@ class Langchain4jChatModelConfigurerImpl implements Langchain4jChatModelConfigur
                 .temperature(chatModelConfig.temperature())
                 .topP(chatModelConfig.topP())
                 .topK(chatModelConfig.topK())
+                .frequencyPenalty(chatModelConfig.frequencyPenalty())
+                .presencePenalty(chatModelConfig.presencePenalty())
                 .maxOutputTokens(chatModelConfig.maxOutputTokens())
                 .timeout(toDuration(chatModelConfig.timeoutSeconds()))
                 .maxRetries(chatModelConfig.maxRetries())
@@ -128,6 +130,8 @@ class Langchain4jChatModelConfigurerImpl implements Langchain4jChatModelConfigur
                 .temperature(chatModelConfig.temperature())
                 .topP(chatModelConfig.topP())
                 .topK(chatModelConfig.topK())
+                .frequencyPenalty(chatModelConfig.frequencyPenalty())
+                .presencePenalty(chatModelConfig.presencePenalty())
                 .maxOutputTokens(chatModelConfig.maxOutputTokens())
                 .timeout(toDuration(chatModelConfig.timeoutSeconds()))
                 .maxRetries(chatModelConfig.maxRetries())

pom.xml

@@ -142,7 +142,7 @@
         <jakarta.el.version>4.0.2</jakarta.el.version>
         <antisamy.version>1.7.5</antisamy.version>
         <snmp4j.version>3.8.0</snmp4j.version>
-        <langchain4j.version>1.15.1-TB1</langchain4j.version>
+        <langchain4j.version>1.16.1-TB1</langchain4j.version>
         <error_prone_annotations.version>2.43.0</error_prone_annotations.version>
         <animal-sniffer-annotations.version>1.24</animal-sniffer-annotations.version>
         <auto-value-annotations.version>1.11.0</auto-value-annotations.version>