feat：项目打包成Electron

desktop/main/config.ts

@@ -0,0 +1,49 @@
+// ============================================================
+// 配置管理 — 后端地址持久化
+// 职责：存储和读取用户配置的后端 WebSocket 地址
+// ============================================================
+
+import Store from 'electron-store'
+
+// 配置结构
+interface AppConfig {
+  backendUrl: string
+  windowBounds?: {
+    width: number
+    height: number
+    x?: number
+    y?: number
+  }
+}
+
+// 默认配置
+const DEFAULT_BACKEND_URL = 'ws://localhost:8080/ws'
+
+// 初始化配置存储
+const store = new Store<AppConfig>({
+  name: 'camtalk-config',
+  defaults: {
+    backendUrl: DEFAULT_BACKEND_URL,
+  },
+})
+
+/**
+ * 获取后端 WebSocket 地址
+ */
+export function getBackendUrl(): string {
+  return store.get('backendUrl', DEFAULT_BACKEND_URL)
+}
+
+/**
+ * 设置后端 WebSocket 地址
+ */
+export function setBackendUrl(url: string): void {
+  store.set('backendUrl', url)
+}
+
+/**
+ * 重置为默认配置
+ */
+export function resetConfig(): void {
+  store.set('backendUrl', DEFAULT_BACKEND_URL)
+}