1-Negotiate a naval treaty with Britain
Would Britain ever agree to one?
2-Negotiate a non-intervention pact with Russia.
Why would Russia agree to this?
3-Upgrading Alsace Loraine to a full state (will have both French and German as the official language) with a surviving member of the House of Lorraine being put in place as the newly minted Grand Duke of Alsace Lorraine.
Possible. But without the bilingualiasm part.
Was basicaly happening naturally until Anglo-German relations went sour.
5-Disarm the Junkers and Militarists through democratic reforms
Wilhelm will never agree to this. And why would he? The greatest threat to him were the socialists, not his power base.
6-Not support in anyway aggressive adventures os Austria-Hungary.
Why wouldn`t you support an ally? Just because Austria-Hungary fell after WWI doesn`t mean pre-WWI people all saw the inevitability of its demise.
4-Restore the Grand Duchy of Posen with an ethnic polish noble taking the throne and equal rights between Poles and German citizens of the region.
His answer would be a quick "NEIN". People should advise things that actually have a chance of being accepted.
5-Build up trade and diplomatic ties to the US.
Trade with the US was good as is, and the US wasn`t anti-German until well into WWI.
-Make plans for a one front war with Russia.
This assuming the French wouldn`t attack you regardless of your plan to have just one front.
-Make plans to invade France that do not involve invading neutral nations!
Plans to invade France through neutral nations were cooked up precisely because plans to invade France without invading them were deemed impossible to succed. The only option is either to try to win in the West quickly or defend the hell out of Alsace-Lorraine.