feat: 接入桌面 UIA 元素能力（Ground 系列）

src/main/capabilities/index.ts

@@ -9,6 +9,7 @@ import "./browser-common";
 import "./browser-control";
 import "./office";
 import "./desktop";
+import "./desktop-uia";
 import "./pdf";
 import "./word";
 import "./word-extended";
@@ -26,3 +27,4 @@ import "./data-table-common";
 import "./common-final";
 
 export { capabilityCount, capabilityIds, getHandler, hasCapability, register } from "../engine/registry";
+