From 5ae638b9a869c0829bd2ce8e7dd2929ec34e689d Mon Sep 17 00:00:00 2001
From: Shane <shane@swalker.dev>
Date: Mon, 16 Mar 2026 18:09:29 -0500
Subject: [PATCH] fix: propagate CodeProviderError type in CodeUI

---
 .changeset/cold-papayas-wonder.md | 5 +++++
 packages/openauth/src/ui/code.tsx | 7 +++++--
 2 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/cold-papayas-wonder.md

diff --git a/.changeset/cold-papayas-wonder.md b/.changeset/cold-papayas-wonder.md
new file mode 100644
index 00000000..8ddd089e
--- /dev/null
+++ b/.changeset/cold-papayas-wonder.md
@@ -0,0 +1,5 @@
+---
+"@kagii/openauth": patch
+---
+
+Fix the `CodeUI.sendCode` TypeScript type so it can return `CodeProviderError` values just like the underlying code provider.
diff --git a/packages/openauth/src/ui/code.tsx b/packages/openauth/src/ui/code.tsx
index e6569b3f..5bd66f0e 100644
--- a/packages/openauth/src/ui/code.tsx
+++ b/packages/openauth/src/ui/code.tsx
@@ -24,7 +24,7 @@
  */
 /** @jsxImportSource hono/jsx */
 
-import { CodeProviderOptions } from "../provider/code.js"
+import { CodeProviderError, CodeProviderOptions } from "../provider/code.js"
 import { UnknownStateError } from "../error.js"
 import { Layout } from "./base.js"
 import { FormAlert } from "./form.js"
@@ -91,7 +91,10 @@ export interface CodeUIOptions {
    * }
    * ```
    */
-  sendCode: (claims: Record<string, string>, code: string) => Promise<void>
+  sendCode: (
+    claims: Record<string, string>,
+    code: string,
+  ) => Promise<void | CodeProviderError>
   /**
    * Custom copy for the UI.
    */