ensure primary on get write

app/routes/_auth+/verify.tsx

@@ -26,6 +26,7 @@ import {
 } from './login.tsx'
 import { handleVerification as handleOnboardingVerification } from './onboarding.tsx'
 import { handleVerification as handleResetPasswordVerification } from './reset-password.tsx'
+import { ensurePrimary } from '#app/utils/litefs.server.ts'
 
 export const codeQueryParam = 'code'
 export const targetQueryParam = 'target'
@@ -202,6 +203,10 @@ async function validateRequest(
 		return json({ status: 'error', submission } as const, { status: 400 })
 	}
 
+	// this code path could be part of a loader (GET request), so we need to make
+	// sure we're running on primary because we're about to make writes.
+	await ensurePrimary()
+
 	const { value: submissionValue } = submission
 
 	async function deleteVerification() {