refactor: update comments for clarity and consistency across multiple files

web/src/components/layout/analytics-tracker.tsx

@@ -3,7 +3,7 @@ import { useLocation } from "react-router-dom";
 
 import { trackPageview } from "@/lib/analytics";
 
-// 监听 SPA 路由变化并上报 pageview。无统计配置时 trackPageview 为空操作。
+// Observe SPA route changes and report page views; trackPageview is a no-op when analytics is not configured.
 export function AnalyticsTracker() {
     const location = useLocation();
 

web/src/components/layout/model-select-modal.tsx

@@ -6,7 +6,7 @@ import { useTranslation } from "react-i18next";
 import { fetchChannelModels } from "@/services/api/image";
 import type { ModelChannel } from "@/stores/use-config-store";
 
-// 选择渠道模型弹窗：拉取上游模型列表或手动增加，勾选后才会进入渠道模型列表。
+// Channel model selector: fetch upstream models or add them manually, then include checked models in the channel list.
 export function ModelSelectModal({ open, channel, selectedNames, onConfirm, onClose }: { open: boolean; channel: ModelChannel | null; selectedNames: string[]; onConfirm: (names: string[]) => void; onClose: () => void }) {
     const { message } = App.useApp();
     const { t } = useTranslation();