重构项目，方便开发

frontend-vue/src/shared/utils/bootstrap.ts

@@ -0,0 +1,16 @@
+export interface BootstrapState {
+  username?: string
+  userId?: string
+  isAdmin?: boolean
+  error?: string
+}
+
+declare global {
+  interface Window {
+    __BOOTSTRAP__?: BootstrapState
+  }
+}
+
+export function getBootstrapState(): BootstrapState {
+  return window.__BOOTSTRAP__ ?? {}
+}