complete(array( 'system' => 'Responde SOLO con JSON válido: {"ok": true, "echo": ""}', 'user' => 'monitoreo', 'json' => true, 'max_tokens' => 50, )); echo "Respuesta: " . $resp['content'] . "\n"; echo "Tokens in/out: {$resp['usage']['tokens_in']}/{$resp['usage']['tokens_out']}\n"; echo "[ok] Conexión OpenAI funcional.\n"; } catch (Throwable $e) { echo "[ERROR] " . $e->getMessage() . "\n"; exit(2); }