Move to subfolder

environments/hack0/DeepSacrifice/server/llm/openai_client.ts

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+/**
+ * OpenAI API client for GPT-4o-mini feedback.
+ * Expects to run in Bun/Node.js where process.env is available.
+ * If you see a type error for 'process', install @types/node as a dev dependency.
+ */
+
+import OpenAI from "openai";
+import type { ChatCompletionMessageParam } from "openai/resources/chat/completions";
+
+const OPENAI_API_KEY = process.env.OPENAI_API_KEY || "";
+const MODEL = "gpt-4o-mini"; // Use gpt-4o-mini if available, else gpt-4o
+
+if (!OPENAI_API_KEY) {
+  throw new Error("OPENAI_API_KEY is not set");
+}
+
+const openai = new OpenAI({ apiKey: OPENAI_API_KEY });
+
+export async function callOpenAI(
+  messages: ChatCompletionMessageParam[],
+  max_tokens = 64,
+): Promise<string> {
+  const response = await openai.chat.completions.create({
+    model: MODEL,
+    messages,
+    max_tokens,
+  });
+  const content = response.choices[0]?.message?.content;
+  if (!content) throw new Error("No content returned from OpenAI");
+  return content.trim();
+}