Merge pull request #10032 from SivanCola/fix/desktop-stub-zoom-routing

fix(desktop): route stub native zoom through the command table / 桌面测试桩的原生缩放改走命令表

desktop/frontend/src/__tests__/desktopHostStub.ts

@@ -79,8 +79,18 @@ export function installDesktopHostStub(commands: object, options: DesktopHostStu
         minimise: () => {},
         toggleMaximise: () => {},
       close: () => {},
-      getAppZoom: async () => 1,
-      setAppZoom: async () => 1,
+      // The Electron shell owns zoom natively; tests drive it through the
+      // same command table the bridge path uses, so tables without zoom
+      // commands keep the neutral default.
+      getAppZoom: async () => {
+        const fn = ref.current.GetDesktopZoomFactor as (() => Promise<number>) | undefined;
+        return typeof fn === "function" ? await fn() : 1;
+      },
+      setAppZoom: async (factor: number) => {
+        const fn = ref.current.SetDesktopZoomFactor as ((factor: number) => Promise<number>) | undefined;
+        if (typeof fn === "function") await fn(factor);
+        return factor;
+      },
       resetAppZoom: async () => 1,
       },
       getPathForFile: options.getPathForFile ?? (() => ""),