docs: update AI community group copy

README.md

@@ -125,6 +125,16 @@ On platforms without a native client, EdgeEver can be installed as a PWA using C
 
 - Bugs, feature requests, and deployment issues: [GitHub Issues](https://github.com/tianma-if/edgeever/issues)
 
+### WeChat Community Group
+
+Welcome to the EdgeEver AI community group, home to many Vibe Coding builders and AI enthusiasts. Join us to discuss the EdgeEver experience, real-world AI Agent applications, cost-effective or free AI resources, and automation workflows.
+
+> The group QR code is valid for 7 days. If it has expired, add WeChat `m1245207870` and include “EdgeEver group” in your request.
+
+<p align="center">
+  <img src="assets/wechat-group-qr.jpg" alt="EdgeEver AI community group QR code" width="260" />
+</p>
+
 ## Tech Stack
 
 - Bun workspace monorepo with Web, API, official site, and shared type package.

README.zh-CN.md

@@ -127,7 +127,7 @@ macOS App 可从 [GitHub Releases](https://github.com/tianma-if/edgeever/release
 
 ### 微信交流群
 
-欢迎加入 EdgeEver 交流群，这里聚集了大量 Vibe Coding 与 AI 玩家。一起交流 EdgeEver 体验、AI Agent 实战落地、高性价比/免费 AI 资源及自动化工作流。
+欢迎加入 EdgeEver AI 交流群，这里聚集了大量 Vibe Coding 与 AI 玩家。一起交流 EdgeEver 体验、AI Agent 实战落地、高性价比/免费 AI 资源及自动化工作流。
 
 > 群二维码 7 天内有效。如果二维码过期，请添加微信 `m1245207870`，并备注“EdgeEver 进群”。