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fix(openai-provider): ensure structured chat adds JSON instruction when missing

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slhafzjw
2026-04-25 00:11:57 +08:00
parent a14e123ff6
commit 03bae6424e
1 changed files with 31 additions and 5 deletions
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36
Partner-Framework/src/main/java/work/slhaf/partner/framework/agent/model/provider/openai/OpenAiCompatibleProvider.java
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@@ -17,10 +17,7 @@ import work.slhaf.partner.framework.agent.model.provider.ProviderOverride;
import work.slhaf.partner.framework.agent.support.Result;
import java.time.Duration;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.*;
public class OpenAiCompatibleProvider extends ModelProvider {
@@ -103,7 +100,7 @@ public class OpenAiCompatibleProvider extends ModelProvider {
return executeWithRetry(
"OpenAI-compatible provider failed to complete the structured chat request after 3 attempts.",
() -> {
StructuredChatCompletionCreateParams<T> params = buildParams(messages).toBuilder()
StructuredChatCompletionCreateParams<T> params = buildParams(ensureJsonInstruction(messages)).toBuilder()
.responseFormat(responseType)
.build();
return extractStructured(client.chat().completions().create(params));
@@ -111,6 +108,35 @@ public class OpenAiCompatibleProvider extends ModelProvider {
);
}
private List<Message> ensureJsonInstruction(List<Message> messages) {
boolean containsJsonInstruction = messages.stream()
.map(Message::getContent)
.filter(content -> !content.isBlank())
.anyMatch(content -> content.toLowerCase(Locale.ROOT).contains("json"));
if (containsJsonInstruction) {
return messages;
}
String jsonInstruction = "Return only a valid JSON object that matches the requested response schema.";
List<Message> patched = new ArrayList<>(messages.size() + 1);
boolean merged = false;
for (Message message : messages) {
if (!merged && message.getRole() == Message.Character.SYSTEM) {
patched.add(new Message(
Message.Character.SYSTEM,
message.getContent() + "\n\n" + jsonInstruction
));
merged = true;
continue;
}
patched.add(message);
}
if (!merged) {
patched.addFirst(new Message(Message.Character.SYSTEM, jsonInstruction));
}
return patched;
}
private ChatCompletionCreateParams buildParams(List<Message> messages) {
ChatCompletionCreateParams.Builder paramsBuilder = ChatCompletionCreateParams.builder()
.model(model)