🔧 chore(config): update wechat authentication environment variables

- rename WECHAT_APP_ID to WECHAT_MP_APP_ID for clearer WeChat Official Account identification
- rename WECHAT_APP_SECRET to WECHAT_MP_APP_SECRET to match new naming convention
- update redirect URI variable to WECHAT_MP_REDIRECT_URI with updated callback path
- add optional WeChat Open Platform configuration variables for multi-platform support

.roo/commands/wechat-auth-微信服务号网页授权登录开发.md

@@ -94,8 +94,8 @@ import { UserService } from '../users/user.service';
 import { AuthService } from '../auth/auth.service';
 
 export class WechatAuthService {
-  private readonly appId: string = process.env.WECHAT_APP_ID || '';
-  private readonly appSecret: string = process.env.WECHAT_APP_SECRET || '';
+  private readonly appId: string = process.env.WECHAT_MP_APP_ID || '';
+  private readonly appSecret: string = process.env.WECHAT_MP_APP_SECRET || '';
 
   constructor(
     private readonly userService: UserService,
@@ -453,10 +453,14 @@ import { toast } from 'sonner'
 在.env文件中添加微信配置：
 
 ```bash
-# 微信服务号配置
-WECHAT_APP_ID=your_wechat_app_id
-WECHAT_APP_SECRET=your_wechat_app_secret
-WECHAT_REDIRECT_URI=https://yourdomain.com/auth/wechat/callback
+# 微信服务号配置（公众号）
+WECHAT_MP_APP_ID=your_wechat_mp_app_id
+WECHAT_MP_APP_SECRET=your_wechat_mp_app_secret
+WECHAT_MP_REDIRECT_URI=https://yourdomain.com/auth/wechat/mp/callback
+
+# 微信开放平台配置（可选，用于多端统一）
+WECHAT_OPEN_APP_ID=your_wechat_open_app_id
+WECHAT_OPEN_APP_SECRET=your_wechat_open_app_secret
 ```