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/app.py

@@ -10,8 +10,12 @@ from server.routes.auth import router as auth_router
 from server.routes.catalog import router as catalog_router
 from server.routes.covers import router as covers_router
 from server.routes.device import router as device_router
+from server.routes.downloads import router as downloads_router
+from server.routes.live import router as live_router
+from server.routes.play import router as play_router
 from server.routes.proxy import router as proxy_router
 from server.routes.session import router as session_router
+from server.services.downloads import downloads
 
 
 def create_app() -> FastAPI:
@@ -28,8 +32,15 @@ def create_app() -> FastAPI:
     app.include_router(device_router)
     app.include_router(catalog_router)
     app.include_router(covers_router)
+    app.include_router(downloads_router)
+    app.include_router(play_router)
+    app.include_router(live_router)
     app.include_router(proxy_router)
 
+    @app.on_event("startup")
+    def start_downloads() -> None:
+        downloads.start()
+
     @app.get("/health")
     def health():
         return {"ok": True}