From 2be00e2a7886bcfe12d25615faac57e311e4eccd Mon Sep 17 00:00:00 2001
From: Delcado19 <85063283+Delcado19@users.noreply.github.com>
Date: Sat, 6 Jun 2026 12:34:43 +0700
Subject: [PATCH] fix(proxy): raise Next client body limit to 128MB
 (configurable)

Avoid 10MB truncation of large /v1 payloads via NINEROUTER_PROXY_CLIENT_MAX_BODY_SIZE (#1529, #1572)

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 next.config.mjs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/next.config.mjs b/next.config.mjs
index 85c7a258..3853b4b0 100644
--- a/next.config.mjs
+++ b/next.config.mjs
@@ -7,6 +7,7 @@ const projectRoot = dirname(fileURLToPath(import.meta.url));
 const tracingRoot = process.env.NEXT_TRACING_ROOT_MODE === "workspace"
   ? join(projectRoot, "..")
   : projectRoot;
+const proxyClientMaxBodySize = process.env.NINEROUTER_PROXY_CLIENT_MAX_BODY_SIZE || "128mb";
 
 /** @type {import('next').NextConfig} */
 const nextConfig = {
@@ -24,6 +25,10 @@ const nextConfig = {
     unoptimized: true
   },
   env: {},
+  experimental: {
+    // #1529/#1572: LLM clients can send long context or base64 image payloads through /v1 rewrites.
+    proxyClientMaxBodySize,
+  },
   webpack: (config, { isServer }) => {
     // Ignore fs/path modules in browser bundle
     if (!isServer) {