From eab215c7cb2eadc1e7ca6dc8633efa3b61d652de Mon Sep 17 00:00:00 2001
From: Nathan Flurry <developer@nathanflurry.com>
Date: Mon, 16 Mar 2026 19:34:16 -0700
Subject: [PATCH] feat(foundry): redirect to signin page on auth API errors

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 foundry/packages/backend/src/services/better-auth.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/foundry/packages/backend/src/services/better-auth.ts b/foundry/packages/backend/src/services/better-auth.ts
index 1f1ae4c..ea9d95a 100644
--- a/foundry/packages/backend/src/services/better-auth.ts
+++ b/foundry/packages/backend/src/services/better-auth.ts
@@ -549,6 +549,9 @@ export function initBetterAuthService(actorClient: any, options: { apiUrl: strin
         strategy: "compact",
       },
     },
+    onAPIError: {
+      errorURL: stripTrailingSlash(options.appUrl) + "/signin",
+    },
     socialProviders: {
       github: {
         clientId: requireEnv("GITHUB_CLIENT_ID"),