[Resolved] Translated strings aren't being translated

<wpml-config>
  <shortcodes>
    <shortcode>
      <tag>estimated_delivery</tag>
      <attributes>
        <attribute>text</attribute>
      </attributes>
    </shortcode>
  </shortcodes>
</wpml-config>

<?php
// Pick a text domain for gettext scanning (theme or plugin)
if ( ! defined( 'ED_TEXTDOMAIN' ) ) {
    define( 'ED_TEXTDOMAIN', 'my-estimated-delivery' );
}

/**
 * Register translatable strings with WPML at init.
 * (This is optional if you rely purely on gettext + WPML's string scan,
 * but it makes the strings appear immediately in String Translation.)
 */
add_action( 'init', function () {
    if ( function_exists( 'do_action' ) ) {
        // Labels
        do_action( 'wpml_register_single_string', 'Estimated Delivery', 'label', 'Estimated delivery' );
        do_action( 'wpml_register_single_string', 'Estimated Delivery', 'in_stock_range', '2–4 days' );
        do_action( 'wpml_register_single_string', 'Estimated Delivery', 'not_in_stock_range', '8–10 weeks' );
    }
});

/**
 * Helpers that return translated bits
 */
function ed_get_label() {
    $default = __( 'Estimated delivery', ED_TEXTDOMAIN );
    if ( function_exists( 'apply_filters' ) ) {
        $translated = apply_filters(
            'wpml_translate_single_string',
            $default,
            'Estimated Delivery',
            'label'
        );
        return $translated ?: $default;
    }
    return $default;
}
function ed_get_in_stock_range() {
    $default = _x( '2–4 days', 'delivery time when in stock', ED_TEXTDOMAIN );
    if ( function_exists( 'apply_filters' ) ) {
        $translated = apply_filters(
            'wpml_translate_single_string',
            $default,
            'Estimated Delivery',
            'in_stock_range'
        );
        return $translated ?: $default;
    }
    return $default;
}
function ed_get_not_in_stock_range() {
    $default = _x( '8–10 weeks', 'delivery time when NOT in stock', ED_TEXTDOMAIN );
    if ( function_exists( 'apply_filters' ) ) {
        $translated = apply_filters(
            'wpml_translate_single_string',
            $default,
            'Estimated Delivery',
            'not_in_stock_range'
        );
        return $translated ?: $default;
    }
    return $default;
}

/**
 * HTML builders (already translated)
 */
function get_html_in_stock() {
    $label = ed_get_label();
    $range = ed_get_in_stock_range();
    $html  = sprintf(
        '<p class="estimated-delivery in-stock"><span class="stock-indicator" style="background-color:#008000;"></span> %s: %s</p>',
        esc_html( $label ),
        esc_html( $range )
    );
    return $html;
}
function get_html_not_in_stock() {
    $label = ed_get_label();
    $range = ed_get_not_in_stock_range();
    $html  = sprintf(
        '<p class="estimated-delivery low-stock"><span class="stock-indicator" style="background-color:#cc0000;"></span> %s: %s</p>',
        esc_html( $label ),
        esc_html( $range )
    );
    return $html;
}

/**
 * Core logic
 */
function get_estimated_delivery_for_product( $product ) {
    if ( ! $product ) {
        return '';
    }

    // Handle bundled products
    if ( class_exists( 'WC_Product_Bundle' ) && $product->is_type( 'bundle' ) ) {
        $bundled_items     = $product->get_bundled_items();
        $max_delivery_time = 0;

        foreach ( $bundled_items as $bundled_item ) {
            $bundled_product  = $bundled_item->get_product();
            $bundled_quantity = $bundled_item->get_quantity();

            if ( $bundled_quantity > 0 ) {
                $stock_quantity = $bundled_product->get_stock_quantity();

                if ( $stock_quantity !== null ) {
                    $delivery_time     = ( $stock_quantity > 0 ) ? 4 : 10; // 2–4 days or 8–10 weeks
                    $max_delivery_time = max( $max_delivery_time, $delivery_time );
                }
            }
        }

        if ( $max_delivery_time === 0 ) {
            return '';
        }

        return ( $max_delivery_time <= 4 ) ? get_html_in_stock() : get_html_not_in_stock();
    }

    // Variation quantity map
    $variations_stock = array();
    if ( method_exists( $product, 'get_available_variations' ) ) {
        $variations = $product->get_available_variations();
        foreach ( $variations as $variation ) {
            $variation_product                                = new WC_Product_Variation( $variation['variation_id'] );
            $variations_stock[ $variation['variation_id'] ]   = $variation_product->get_stock_quantity();
        }
    }

    // Precompute translated HTML for JS usage and safely JSON-encode it
    $html_in_stock     = get_html_in_stock();
    $html_not_in_stock = get_html_not_in_stock();

    wc_enqueue_js(
        'var variations_stock = ' . wp_json_encode( $variations_stock ) . ';' .
        'var ed_html_in_stock = ' . wp_json_encode( $html_in_stock ) . ';' .
        'var ed_html_not_in_stock = ' . wp_json_encode( $html_not_in_stock ) . ';'
    );

    // Simple & variable products
    $stock_quantity = $product->get_stock_quantity();

    if ( $stock_quantity !== null ) {
        return ( $stock_quantity > 0 ) ? $html_in_stock : $html_not_in_stock;
    }

    return '';
}

// Shortcode for product pages
function estimated_delivery_shortcode() {
    global $product;
    return get_estimated_delivery_for_product( $product );
}
add_shortcode( 'estimated_delivery', 'estimated_delivery_shortcode' );

// Add estimated delivery message to cart & checkout
function add_estimated_delivery_to_cart_item_name( $product_name, $cart_item, $cart_item_key ) {
    $product          = $cart_item['data'];
    $delivery_message = get_estimated_delivery_for_product( $product );
    return $product_name . $delivery_message;
}
add_filter( 'woocommerce_cart_item_name', 'add_estimated_delivery_to_cart_item_name', 10, 3 );

// Update the message on variation change (uses the already-translated HTML variables)
add_action( 'woocommerce_before_variations_form', function () {
    wc_enqueue_js( "
        jQuery('form.variations_form').on('show_variation', function(event, data){
            if (typeof variations_stock !== 'undefined' && variations_stock[data.variation_id] > 0) {
                jQuery('.estimated-delivery').replaceWith(ed_html_in_stock);
            } else {
                jQuery('.estimated-delivery').replaceWith(ed_html_not_in_stock);
            }
        });
    " );
} );