From ce6b839091dc8fc13587e8901ae36c329fdf8245 Mon Sep 17 00:00:00 2001
From: jeremyphilemon <git@jrmyphlmn.com>
Date: Fri, 20 Mar 2026 02:47:34 -0700
Subject: [PATCH 1/4] chore: conditionalize MFE config behind DEMO env var
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Makes basePath and assetPrefix conditional on DEMO env var so a single
branch can serve both the forkable template (no base path) and the
demo deployment (mounted at /demo subpath). Removes the hardcoded
redirect from vercel.json — the demo project should configure this
in Vercel project settings instead.
---
 next.config.ts | 5 ++---
 vercel.json    | 9 +--------
 2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/next.config.ts b/next.config.ts
index 32eeb60ef1..0833124126 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -1,11 +1,10 @@
 import { withBotId } from "botid/next/config";
 import type { NextConfig } from "next";
 
-const basePath = "/demo";
+const basePath = process.env.DEMO ? "/demo" : "";
 
 const nextConfig: NextConfig = {
-  basePath,
-  assetPrefix: "/demo-assets",
+  ...(basePath ? { basePath, assetPrefix: "/demo-assets" } : {}),
   env: {
     NEXT_PUBLIC_BASE_PATH: basePath,
   },
diff --git a/vercel.json b/vercel.json
index ced26d3924..f92a3f8a93 100644
--- a/vercel.json
+++ b/vercel.json
@@ -1,10 +1,3 @@
 {
-  "framework": "nextjs",
-  "redirects": [
-    {
-      "source": "/",
-      "destination": "/demo",
-      "permanent": false
-    }
-  ]
+  "framework": "nextjs"
 }

From 98dbe89e6de08a467b8916e76492035b43c11df4 Mon Sep 17 00:00:00 2001
From: jeremyphilemon <git@jrmyphlmn.com>
Date: Fri, 20 Mar 2026 02:53:30 -0700
Subject: [PATCH 2/4] fix: use existing IS_DEMO env var instead of DEMO

---
 next.config.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/next.config.ts b/next.config.ts
index 0833124126..e1f074bcbc 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -1,7 +1,7 @@
 import { withBotId } from "botid/next/config";
 import type { NextConfig } from "next";
 
-const basePath = process.env.DEMO ? "/demo" : "";
+const basePath = process.env.IS_DEMO === "1" ? "/demo" : "";
 
 const nextConfig: NextConfig = {
   ...(basePath ? { basePath, assetPrefix: "/demo-assets" } : {}),

From dce8b5ab2c0bc1662381f603b4184e76cc5ed4a7 Mon Sep 17 00:00:00 2001
From: jeremyphilemon <git@jrmyphlmn.com>
Date: Fri, 20 Mar 2026 03:07:45 -0700
Subject: [PATCH 3/4] fix: move /demo redirect into next.config.ts behind
 IS_DEMO

---
 next.config.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/next.config.ts b/next.config.ts
index e1f074bcbc..5bc2b32cd4 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -4,7 +4,15 @@ import type { NextConfig } from "next";
 const basePath = process.env.IS_DEMO === "1" ? "/demo" : "";
 
 const nextConfig: NextConfig = {
-  ...(basePath ? { basePath, assetPrefix: "/demo-assets" } : {}),
+  ...(basePath
+    ? {
+        basePath,
+        assetPrefix: "/demo-assets",
+        redirects: async () => [
+          { source: "/", destination: basePath, permanent: false },
+        ],
+      }
+    : {}),
   env: {
     NEXT_PUBLIC_BASE_PATH: basePath,
   },

From 008e5f5823eab54ccabb3131d284f264f8ba2b96 Mon Sep 17 00:00:00 2001
From: jeremyphilemon <git@jrmyphlmn.com>
Date: Fri, 20 Mar 2026 03:16:00 -0700
Subject: [PATCH 4/4] fix: add basePath: false to redirect to prevent double
 prefixing

---
 next.config.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/next.config.ts b/next.config.ts
index 5bc2b32cd4..d066f56356 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -9,7 +9,12 @@ const nextConfig: NextConfig = {
         basePath,
         assetPrefix: "/demo-assets",
         redirects: async () => [
-          { source: "/", destination: basePath, permanent: false },
+          {
+            source: "/",
+            destination: basePath,
+            permanent: false,
+            basePath: false,
+          },
         ],
       }
     : {}),