From d7234aed1c8ef18b80b215e338fe89a62da55bdc Mon Sep 17 00:00:00 2001
From: "Builder.io" <builder-bot@builder.io>
Date: Tue, 30 Sep 2025 21:08:22 +0000
Subject: [PATCH] Prevent unlinking final login method

cgen-84fe1c3d42ef4baeb63a696d59b58bc4
---
 client/contexts/AuthContext.tsx | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/client/contexts/AuthContext.tsx b/client/contexts/AuthContext.tsx
index 9f83aea0..3fa1ec57 100644
--- a/client/contexts/AuthContext.tsx
+++ b/client/contexts/AuthContext.tsx
@@ -378,6 +378,22 @@ export const AuthProvider: React.FC<{ children: React.ReactNode }> = ({
         });
         return;
       }
+
+      const identities = (user.identities ?? []) as any[];
+      const supportedLinkedCount = identities.filter((item: any) =>
+        ["github", "google"].includes(item.provider),
+      ).length;
+      const hasEmailIdentity = identities.some(
+        (item: any) => item.provider === "email",
+      );
+      if (!hasEmailIdentity && supportedLinkedCount <= 1) {
+        aethexToast.error({
+          title: "Cannot unlink provider",
+          description:
+            "Add another sign-in method before removing this connection.",
+        });
+        return;
+      }
       try {
         const { error } = (await supabase.auth.unlinkIdentity({
           identity_id: identity.identity_id,