feat: 补齐桌面端下载播放，并将窗口改为夜间主题和应用图标

server/services/sessions.py

@@ -1,6 +1,7 @@
 import threading
 
 from server.services.device import DeviceProfile
+from server.services.live import live
 
 
 class SessionStore:
@@ -26,6 +27,7 @@ class SessionStore:
             self._active = token
             self._profile = dict(profile)
             self._revision += 1
+            live.touch()
 
     def set_profile(self, token: str, profile: dict) -> bool:
         with self._lock:
@@ -33,6 +35,7 @@ class SessionStore:
                 return False
             self._profile = dict(profile)
             self._revision += 1
+            live.touch()
             return True
 
     def active_token(self) -> str:
@@ -51,6 +54,7 @@ class SessionStore:
             if self._active == token:
                 self._active = ""
                 self._profile = None
+                live.touch()
 
 
 sessions = SessionStore()