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Perplexity: fix system-only message, or assistant-before-user

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Enrico Ros
2025-06-23 07:39:50 -07:00
parent b0634e272d
commit ed45a01267
1 changed files with 11 additions and 0 deletions
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src/modules/aix/server/dispatch/chatGenerate/adapters/openai.chatCompletions.ts
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@@ -176,6 +176,17 @@ export function aixToOpenAIChatCompletions(openAIDialect: OpenAIDialects, model:
function _fixAlternateUserAssistantRoles(chatMessages: TRequestMessages): TRequestMessages {
// [Perplexity, 2025-06-23] HotFix: if there's only 1 message from the system, treat it as a user message
if (chatMessages.length === 1 && chatMessages[0].role === 'system')
return [{ ...chatMessages[0], role: 'user' }];
// [Perplexity, 2025-06-23] HotFix: if an assistant message comes before the first user message, we prepend an empty user message
const firstUserIndex = chatMessages.findIndex(message => message.role === 'user');
const firstAssistantIndex = chatMessages.findIndex(message => message.role === 'assistant');
if (firstAssistantIndex < firstUserIndex)
chatMessages.splice(firstAssistantIndex, 0, { role: 'user', content: [{ type: 'text', text: '' }] });
return chatMessages.reduce((acc, historyItem) => {
// treat intermediate system messages as user messages