init wxt framework

src/entrypoints/background.ts

@@ -0,0 +1,36 @@
+import { browser, type Browser } from 'wxt/browser';
+import {ContentActionType, ProxyActionType} from '@/types/action';
+import { getCurrentProxyMode, switchProxyMode } from '@/utils/proxy';
+
+export default defineBackground({
+  type: 'module',
+  
+  main() {
+    // 初始化代理状态监听
+    browser.runtime.onMessage.addListener((message: any, sender: Browser.runtime.MessageSender, sendResponse: (response?: any) => void) => {
+      if (message.action === ProxyActionType.GET_PROXY_STATUS) {
+        // 获取当前代理状态
+        getCurrentProxyMode().then(mode => {
+          sendResponse({ success: true, data: { mode } });
+        });
+        return true;
+      } else if (message.action === ProxyActionType.SWITCH_PROXY) {
+        // 切换代理
+        switchProxyMode(message.mode).then(success => {
+          sendResponse({ success });
+          
+          // 如果切换成功，广播代理状态更改消息
+          if (success) {
+            browser.runtime.sendMessage({
+              action: ContentActionType.PROXY_CONFIGS_UPDATED,
+              source: 'background'
+            });
+          }
+        });
+        return true;
+      }
+    });
+    
+    console.log('代理管理后台服务已启动');
+  },
+});