Add Hermes Agent package fallback and xAI OAuth (#808)

packages/server/src/routes/hermes/xai-auth.ts

@@ -0,0 +1,8 @@
+import Router from '@koa/router'
+import * as ctrl from '../../controllers/hermes/xai-auth'
+
+export const xaiAuthRoutes = new Router()
+
+xaiAuthRoutes.post('/api/hermes/auth/xai/start', ctrl.start)
+xaiAuthRoutes.get('/api/hermes/auth/xai/poll/:sessionId', ctrl.poll)
+xaiAuthRoutes.get('/api/hermes/auth/xai/status', ctrl.status)

packages/server/src/routes/index.ts

@@ -20,6 +20,7 @@ import { logRoutes } from './hermes/logs'
 import { codexAuthRoutes } from './hermes/codex-auth'
 import { nousAuthRoutes } from './hermes/nous-auth'
 import { copilotAuthRoutes } from './hermes/copilot-auth'
+import { xaiAuthRoutes } from './hermes/xai-auth'
 import { gatewayRoutes } from './hermes/gateways'
 import { weixinRoutes } from './hermes/weixin'
 import { fileRoutes } from './hermes/files'
@@ -62,6 +63,7 @@ export function registerRoutes(app: any, requireAuth: (ctx: Context, next: Next)
   app.use(codexAuthRoutes.routes())
   app.use(nousAuthRoutes.routes())
   app.use(copilotAuthRoutes.routes())
+  app.use(xaiAuthRoutes.routes())
   app.use(gatewayRoutes.routes())
   app.use(weixinRoutes.routes())
   app.use(groupChatRoutes.routes())       // Must be before proxy