const endpoint = @json(route('bridge.scan.register'));
        const identifier = @json($code ?? null);
        const scanMessages = {
            retry: @json(__('public_profile_messages.scan_notice.retry')),
            dismiss: @json(__('public_profile_messages.scan_notice.dismiss')),
            permissionTitle: @json(__('public_profile_messages.scan_notice.permission_title')),
            permissionMessage: @json(__('public_profile_messages.scan_notice.permission_message')),
            unavailableTitle: @json(__('public_profile_messages.scan_notice.unavailable_title')),
            unavailableMessage: @json(__('public_profile_messages.scan_notice.unavailable_message')),
            timeoutTitle: @json(__('public_profile_messages.scan_notice.timeout_title')),
            timeoutMessage: @json(__('public_profile_messages.scan_notice.timeout_message')),
        };
        const scanAttemptTtlMs = 30 * 60 * 1000;
        const scanAttemptStorageKey = `mycode:scan-attempted:${identifier}`;
        let notice = null;
        let permissionStatus = null;
        let scanRegistered = false;
        let triedHighAccuracy = false;
        let locationRequestInFlight = false;

        if (!identifier || typeof navigator === 'undefined' || !navigator.geolocation) {
            return;
        }

        const sessionStore = () => {
            try {
                return window.sessionStorage;
            } catch (error) {
                return null;
            }
        };

        const hasRecentScanAttempt = () => {
            const store = sessionStore();

            if (!store) {
                return false;
            }

            const timestamp = Number(store.getItem(scanAttemptStorageKey));

            if (!Number.isFinite(timestamp)) {
                return false;
            }

            if (Date.now() - timestamp <= scanAttemptTtlMs) {
                return true;
            }

            store.removeItem(scanAttemptStorageKey);
            return false;
        };

        const rememberScanAttempt = () => {
            const store = sessionStore();

            if (!store) {
                return;
            }

            store.setItem(scanAttemptStorageKey, String(Date.now()));
        };

        const dismissNotice = () => {
            if (notice) {
                notice.remove();
                notice = null;
            }
        };

        const dispatchLocationEvent = (name, detail = {}) => {
            if (typeof window === 'undefined') {
                return;
            }

            window.dispatchEvent(new CustomEvent(name, { detail }));
        };