feat(modal): add rollout telemetry foundation

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/Settings/DomainGroups.php

@@ -178,4 +178,13 @@ trait DomainGroups {
     public static function get_system_tools_settings(): array {
         return Capabilities::get_system_tools_settings();
     }
+
+    /**
+     * 获取前台弹窗按领域灰度开关。
+     *
+     * @return array{identity:bool,badges:bool,orders:bool,vip:bool}
+     */
+    public static function get_frontend_modal_rollout_settings(): array {
+        return ModalRuntime::get_frontend_modal_rollout_settings();
+    }
 }

src/Settings/ModalRuntime.php

@@ -0,0 +1,29 @@
+<?php
+/**
+ * Frontend modal runtime settings.
+ *
+ * @package AKSRT
+ */
+
+namespace AKSRT\Settings;
+
+defined('ABSPATH') || exit;
+
+class ModalRuntime {
+
+    /**
+     * Read the per-domain frontend modal rollout switches.
+     *
+     * @return array{identity:bool,badges:bool,orders:bool,vip:bool}
+     */
+    public static function get_frontend_modal_rollout_settings(): array {
+        $settings = Settings::get_all();
+
+        return [
+            'identity' => !empty($settings['frontend_modal_rollout_identity']),
+            'badges'   => !empty($settings['frontend_modal_rollout_badges']),
+            'orders'   => !empty($settings['frontend_modal_rollout_orders']),
+            'vip'      => !empty($settings['frontend_modal_rollout_vip']),
+        ];
+    }
+}