refactor(sign): extract non-retriable error helper

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

src/views/SignPDF/_partials/signErrorUtils.ts

@@ -0,0 +1,32 @@
+/**
+ * SPDX-FileCopyrightText: 2026 LibreCode coop and contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+export const NON_RETRIABLE_SIGN_ERROR_CODE = 422
+
+type SignMethodLike = {
+	method?: string
+	modalCode?: string
+}
+
+type SignErrorLike = {
+	code?: number | string
+}
+
+type SubmissionErrorLike = {
+	errors?: SignErrorLike[]
+}
+
+export function shouldCloseCurrentModalOnSignError(
+	methodConfig: SignMethodLike,
+	signError: SubmissionErrorLike,
+): boolean {
+	const modalCode = methodConfig.modalCode || methodConfig.method || 'token'
+	if (modalCode !== 'password') {
+		return false
+	}
+
+	const errors = Array.isArray(signError.errors) ? signError.errors : []
+	return errors.some((error) => Number(error?.code) === NON_RETRIABLE_SIGN_ERROR_CODE)
+}