[Bugfix] 支持forward agent

coco/sshd.py

@@ -100,8 +100,9 @@ class SSHServer:
         self.dispatch(client)
 
     def dispatch(self, client):
-        request_type = client.request.type
-        if 'pty' in request_type or 'x11' in request_type:
+        supported = {'pty', 'x11', 'forward-agent'}
+        request_type = set(client.request.type)
+        if supported & request_type:
             logger.info("Request type `pty`, dispatch to interactive mode")
             InteractiveServer(self.app, client).interact()
         elif 'subsystem' in request_type: