fix(vip): render points exchange description

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

tests/widget-system/vip-points-exchange-description-harness.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace {
+    define('ABSPATH', __DIR__ . '/');
+
+    function __(string $text, string $domain = ''): string { return $text; }
+    function esc_html($value): string { return (string) $value; }
+    function esc_html__($value, string $domain = ''): string { return (string) $value; }
+    function esc_attr($value): string { return (string) $value; }
+    function esc_attr__($value, string $domain = ''): string { return (string) $value; }
+    function esc_url($value): string { return (string) $value; }
+    function wp_kses_post($value): string { return (string) $value; }
+    function aksrt_get_user_center_tab_url(string $tab): string { return '/user/' . $tab; }
+}
+
+namespace AKSRT\Settings {
+    final class Settings {
+        public static function credits_enabled(): bool { return true; }
+    }
+}
+
+namespace {
+    require dirname(__DIR__, 2) . '/src/Content/VipServiceModal.php';
+
+    final class VipPointsDescriptionProbe {
+        use \AKSRT\Content\VipServiceModal;
+
+        /** @return array<string,mixed> */
+        private function get_vip_settings_context(): array {
+            return [
+                'enabled' => true,
+                'levels' => [1 => ['enabled' => true, 'name' => 'VIP1']],
+                'points_exchange' => [
+                    'enabled' => true,
+                    'desc' => '<p>后台配置的兑换说明</p>',
+                ],
+            ];
+        }
+
+        /** @return array<string,mixed> */
+        public function get_catalog(int $user_id = 0): array {
+            return [
+                'points_exchange' => [
+                    'packages' => [[
+                        'package_id' => 6001,
+                        'level' => 1,
+                        'points' => 500,
+                        'time' => 30,
+                        'unit' => 'day',
+                    ]],
+                ],
+                'user_points' => 1000,
+                'currency_name' => '积分',
+            ];
+        }
+    }
+
+    echo (new VipPointsDescriptionProbe())->get_points_exchange_modal_html(1);
+}