feat: add i18n, platform channels page, and WeChat QR login

- Add vue-i18n with auto-detect browser language and manual toggle (EN/中文)
- Move platform channels to separate page with credential management
- Support Telegram, Discord, Slack, WhatsApp, Matrix, Feishu, Weixin, WeCom
- Add WeChat QR code login (opens in browser, polls status, auto-saves)
- Write platform credentials to ~/.hermes/.env matching hermes gateway setup
- Auto restart gateway after platform config changes
- Add settings store with per-section save for all config categories
- Persist session group collapse state across navigation
- Fix pre-existing TypeScript build errors

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/src/index.ts

@@ -12,6 +12,8 @@ import { sessionRoutes } from './routes/sessions'
 import { webhookRoutes } from './routes/webhook'
 import { logRoutes } from './routes/logs'
 import { fsRoutes } from './routes/filesystem'
+import { configRoutes } from './routes/config'
+import { weixinRoutes } from './routes/weixin'
 import * as hermesCli from './services/hermes-cli'
 const { restartGateway } = hermesCli
 
@@ -30,6 +32,8 @@ export async function bootstrap() {
   app.use(uploadRoutes.routes())
   app.use(sessionRoutes.routes())
   app.use(fsRoutes.routes())
+  app.use(configRoutes.routes())
+  app.use(weixinRoutes.routes())
 
   // Health endpoint with version
   app.use(async (ctx, next) => {