feat(iconify): 注册离线图标集并优化全屏逻辑

frontend/web/src/plugins/iconify.ts

@@ -0,0 +1,13 @@
+/**
+ * 本地注册 Iconify 图标集，实现离线显示（不再从 CDN 加载）
+ */
+import { addCollection } from "@iconify/vue";
+import ri from "@iconify-json/ri/icons.json";
+import svgSpinners from "@iconify-json/svg-spinners/icons.json";
+import lineMd from "@iconify-json/line-md/icons.json";
+
+export function initIconify(): void {
+  addCollection(ri);
+  addCollection(svgSpinners);
+  addCollection(lineMd);
+}

frontend/web/src/plugins/index.ts

@@ -18,6 +18,7 @@ import { initErrorHandle } from "@utils/sys";
 import { initCodeMirror } from "./codemirror";
 import { initElementPlus } from "./element-plus";
 import { initElIcons } from "./icons";
+import { initIconify } from "./iconify";
 import { initTerminal } from "./terminal";
 
 /**
@@ -35,6 +36,7 @@ import { initTerminal } from "./terminal";
  */
 export async function initPlugins(app: App<Element>): Promise<void> {
   initElIcons(app);
+  initIconify();
   initStore(app);
   await initRouter(app);
   initGlobDirectives(app);