chore(lint): manual fixes - remove redundant global declarations; add safe getMethod fallback; remove unused catch vars

server/api/auth/passkeys/register.post.js

@@ -1,6 +1,7 @@
 import { verifyRegistrationResponse } from '@simplewebauthn/server'
 import { getUserFromToken, readUsers, writeUsers } from '../../../utils/auth.js'
 import { getWebAuthnConfig } from '../../../utils/webauthn-config.js'
+/* global getMethod, getHeader, setHeader, readBody, defineEventHandler */
 import { clearRegistrationChallenge, getRegistrationChallenge } from '../../../utils/webauthn-challenges.js'
 import { toBase64Url } from '../../../utils/webauthn-encoding.js'
 import { writeAuditLog } from '../../../utils/audit-log.js'