feat: Add supplier AI context management modal, integrate new UI components, and update TypeScript to 5.9.3.

next.config.ts

@@ -1,6 +1,5 @@
-import type { NextConfig } from "next";
-
-const nextConfig: NextConfig = {
+/** @type {import('next').NextConfig} */
+const nextConfig = {
   output: "standalone",
   typescript: {
     // Idem pour TypeScript