Enhance configuration and model capabilities

next.config.mjs

@@ -28,6 +28,8 @@ const nextConfig = {
   experimental: {
     // #1529/#1572: LLM clients can send long context or base64 image payloads through /v1 rewrites.
     proxyClientMaxBodySize,
+    // Cache fetch responses across HMR refreshes for faster dev reloads.
+    serverComponentsHmrCache: true,
   },
   webpack: (config, { isServer }) => {
     // Ignore fs/path modules in browser bundle