Fix : Codex on cursor

open-sse/translator/request/openai-responses.js

@@ -143,6 +143,9 @@ export function openaiResponsesToOpenAIRequest(model, body, stream, credentials)
  * Convert OpenAI Chat Completions to OpenAI Responses API format
  */
 export function openaiToOpenAIResponsesRequest(model, body, stream, credentials) {
+  // Body already in Responses API format (e.g. Cursor CLI calling /chat/completions with input[])
+  if (body.input) return { ...body, model, stream: true };
+
   const result = {
     model,
     input: [],