Filter jetengine grid by the current user’s role

gistfile1.txt

add_filter( 'jet-engine/query-builder/query/items', function( $items, $query ) {

    if ( empty( $items ) || ! is_array( $items ) ) {
        return $items;
    }

    $taxonomy = 'authorizations';
    $user = wp_get_current_user();
    $user_role = $user->roles ? $user->roles[0] : 'guest';

    $filtered = [];

    foreach ( $items as $item ) {

        $post_id = 0;

        if ( is_object( $item ) && property_exists( $item, 'ID' ) ) {
            $post_id = (int) $item->ID;
        } elseif ( is_array( $item ) && isset( $item['ID'] ) ) {
            $post_id = (int) $item['ID'];
        } else {
            $post_id = (int) ( $item->id ?? $item->ID ?? 0 );
        }

        if ( ! $post_id ) {
            continue;
        }

        $terms = wp_get_post_terms( $post_id, $taxonomy, [ 'fields' => 'slugs' ] );

        if ( empty( $terms ) || is_wp_error( $terms ) ) {
            continue;
        }

        if ( in_array( $user_role, $terms, true ) ) {
            $filtered[] = $item;
        }
    }

    return $filtered;

}, 10, 2 );

add_filter( 'jet-engine/listings/allowed-posts', function ( $posts ) {

    if ( empty( $posts ) || ! is_array( $posts ) ) {
        return $posts;
    }

    $taxonomy = 'authorizations';
    $user = wp_get_current_user();
    $user_role = $user->roles ? $user->roles[0] : 'guest';
    $filtered = [];

    foreach ( $posts as $post ) {

        $terms = wp_get_post_terms( $post->ID, $taxonomy, [ 'fields' => 'slugs' ] );

        if ( empty( $terms ) || is_wp_error( $terms ) ) {
            continue;
        }

        if ( in_array( $user_role, $terms, true ) ) {
            $filtered[] = $post;
        }
    }

    return $filtered;

}, 20 );

Add a check $query->query_id == 101 in the query/items filter.
Add a check $listing->get_id() == 101 in the allowed-posts filter.
for limit snippet to grid with id 101