chore: initial commit

- Wails v2 + Go 1.21+ + Vue 3 dark UI
- 3 buttons: Check env (auto-install dsh) / Start dsh web / Stop
- 升级 / 检查版本 一键按钮
- 启动后窗口自动最小化到 Dock
- 顶部 logo 鼠标 hover 显示大图预览
- scripts/: build-mac.sh, build-windows.bat, install-app.sh
- ui-design/: 视觉设计稿 (HTML + tokens)

frontend/wailsjs/go/main/App.js

@@ -0,0 +1,39 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+export function CheckEnv() {
+  return window['go']['main']['App']['CheckEnv']();
+}
+
+export function CheckUpdate() {
+  return window['go']['main']['App']['CheckUpdate']();
+}
+
+export function GetStatus() {
+  return window['go']['main']['App']['GetStatus']();
+}
+
+export function HideWindow() {
+  return window['go']['main']['App']['HideWindow']();
+}
+
+export function InstallDsh() {
+  return window['go']['main']['App']['InstallDsh']();
+}
+
+export function ShowWindow() {
+  return window['go']['main']['App']['ShowWindow']();
+}
+
+export function Start() {
+  return window['go']['main']['App']['Start']();
+}
+
+export function Stop() {
+  return window['go']['main']['App']['Stop']();
+}
+
+export function UpdateDsh() {
+  return window['go']['main']['App']['UpdateDsh']();
+}