fix: 插件API路由统一加面板前缀(/SenSu)，解决反代后插件页面空白

services/internet_service.py

@@ -202,7 +202,8 @@ class InternetService:
             if not route_path.startswith('/'):
                 route_path = '/' + route_path
             
-            full_path = f"/{plugin_name}{route_path}"
+            base = self.http_app.get('panel_base_path', '') or ''
+            full_path = f"{base}/{plugin_name}{route_path}"
             
             # 创建包装器处理权限验证
             async def wrapped_handler(request):