fix: use lazy loading

utils/aiGatewayClient.ts

@@ -1,10 +1,17 @@
 import 'dotenv/config';
 import OpenAI from 'openai';
 
-const ovhAI = new OpenAI({
+let ovhAI: OpenAI | null = null;
+
+function getClient(): OpenAI {
+  if (!ovhAI) {
+    ovhAI = new OpenAI({
       apiKey: process.env.OVHCLOUD_API_KEY,
       baseURL: 'https://oai.endpoints.kepler.ai.cloud.ovh.net/v1'
-});
+    });
+  }
+  return ovhAI;
+}
 
 export interface BaseTool {
   readonly name: string;
@@ -28,7 +35,7 @@ export async function makeRequest<T extends BaseTool>(
   toolDef: T
 ): Promise<Record<string, unknown>> {
   try {
-    const completion = await ovhAI.chat.completions.create({
+    const completion = await getClient().chat.completions.create({
       model: 'Meta-Llama-3_3-70B-Instruct',
       temperature: 1,
       max_tokens: 16000,