功能：完善通用云管工作台、审计与诊断能力

platform/internal/server/hardware.go

@@ -62,6 +62,9 @@ func (s *Server) hardwarePreflight(ctx context.Context, id string, in hardwareIn
 	if err != nil {
 		return d, h, config, errors.New("无法读取 PVE 规格")
 	}
+	if err = s.exclusiveGPUMaintenance(ctx, db, d); err != nil {
+		return d, h, config, err
+	}
 	reject := func(message string) (model.Desktop, proxmox.VMHardware, map[string]any, error) {
 		return d, h, config, errors.New(message)
 	}