修复新闻工作台换号联动流程

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

app.py

@@ -105,9 +105,10 @@ class Controller:
         methods = {'heartbeat': self.store.heartbeat, 'next': self.store.next, 'package': self.store.package,
                    'event': self.store.event, 'accept': self.store.accept, 'switch-begin': self.store.switch_begin,
                    'takeover': self.store.takeover, 'current': self.store.current, 'skip': self.store.skip}
-        if route == 'stop':
-            self.manager.stop.set()
-            return self.store.control('stop')
+        if route in ('start', 'pause', 'stop'):
+            if route == 'stop':
+                self.manager.stop.set()
+            return self.store.control(route)
         if route not in methods:
             raise ValueError('未知浏览器操作')
         return methods[route](body)