No matter if the German invasion would be accidental or deliberated and planned. The bulk of the German forces to counter the Dutch forces would be 2nd and 3rd rate reserve troops. The only 1st rate troops the Dutch forces would encounter will be the units who are part of the 1st Army which will swing thtough Brabant in their andvance to Beglium and France.
If an invasion would happen in August 1914 the German 1st army would have a wider corridor for their advance, making the destruction of fortresses of Liege less improtant.
I am not sure but I though mr Loudon, secratary of forreiggn affairs, ordered the mining or even destruction of the bridges crossing the river Meuse in Limburg in August 1914. Even without bridges this would mean only a small delay at least smaller than the presence of forts as at Liege.
If in 1914, the Germans would probably advance in frontal attack to the Dutch more or less as in OTL 1940, except for the 1st Army who will swing to the South. The major advnace would be close to the rivers Meuse close to Grave and at the North close to the river Rhine, if the river Ijssel is crossed, in order to keep the distance to the Railroad bridge over the Hollands Diep and Rotterdam as short as possible . The main goal of the Germans would probably the city and harbor of Rotterdam, which they considered a more strategic valuable target than Amsterdam. If the Germans even consider the complete occupation of the Netherlands, since it would be sufficient if the Dutch were driven behind their water line. A water line is not a favorable position to start a counter offensive and the stratigy of the Dutch was to sit the conflict out while the desisive offensives would take place any where else.
I am looking forward to see your time line.