From c4990af6e445c78813404b312656eeed07f17ffb Mon Sep 17 00:00:00 2001
From: Hammer <hammer7839283@gmail.com>
Date: Wed, 28 Jan 2026 21:28:49 +0000
Subject: [PATCH] fix: enable cross-subdomain cookies for session sharing

---
 src/lib/auth.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/lib/auth.ts b/src/lib/auth.ts
index de0e510..b33fa16 100644
--- a/src/lib/auth.ts
+++ b/src/lib/auth.ts
@@ -24,6 +24,20 @@ export const auth = betterAuth({
   session: {
     expiresIn: 60 * 60 * 24 * 7, // 7 days
     updateAge: 60 * 60 * 24, // Update session every day
+    cookieCache: {
+      enabled: true,
+      maxAge: 60 * 5, // 5 minutes
+    },
+  },
+  advanced: {
+    crossSubDomainCookies: {
+      enabled: true,
+      domain: process.env.COOKIE_DOMAIN || '.thenetwork.donovankelly.xyz',
+    },
+    defaultCookieAttributes: {
+      secure: true,
+      sameSite: 'none',
+    },
   },
   trustedOrigins: [
     process.env.APP_URL || 'http://localhost:3000',