code refactoring and agent improvement

server/routers/kfu-m-24-1/sber_mobile/chat-ai-agent/gigachat.ts

@@ -0,0 +1,18 @@
+import { Agent } from 'node:https';
+import { GigaChat } from 'langchain-gigachat';
+
+const httpsAgent = new Agent({
+    rejectUnauthorized: false,
+});
+
+// Получаем GIGA_AUTH из переменной окружения (устанавливается в get-constants.js)
+export const gigachat = (GIGA_AUTH) => new 
+    GigaChat({
+        model: 'GigaChat-2',
+        scope: 'GIGACHAT_API_PERS',
+        streaming: false,
+        credentials: GIGA_AUTH,
+        httpsAgent
+});
+
+export default gigachat;