fix: set response object type for non-streaming responses

Needed for pydantic_ai to work properly with the API.

PR: ericc-ch#185

Author: jackson-cooper-serv

src/routes/chat-completions/handler.ts

@@ -50,6 +50,7 @@ export async function handleCompletion(c: Context) {
   const response = await createChatCompletions(payload)
 
   if (isNonStreaming(response)) {
+    response.object = "chat.completion"
     consola.debug("Non-streaming response:", JSON.stringify(response))
     return c.json(response)
   }