Added a few more comments in addition to my previous comments:

For my first several bike tours I used a two person tent that weighed 6.11 pounds. I still use that tent for canoe camping, there the weight does not matter. But I bought a lighter tent for bike touring. Use what you have, you can upgrade later. That is what I did. Most people use a two person tent, gives you room for your gear, etc. On a rainy morning, I like to be able to pack up my dry gear inside a dry tent, and when everything except the tent is packed, that is when I put my rain gear on and take down my tent. That is harder to do with a one person tent.

Air mattress is good. I suspect you have a good sleeping bag, but it might be a bulky one. If it is quite bulky, a compression stuff sack can make it smaller, but you might need a really big stuff sack if it is really bulky.

A friend of mine has a Whisperlight, is quite happy with it. Nothing wrong with that stove. For bike touring where I do not get on an airplane, I generally use a liguid fuel stove similar to your Whisperlight. If I fly somewhere or if I want to camp lighter, a good stove that uses a butane mix is quite affordable, but you can get that later after you have done several overnights.

Since you said nothing about bike or racks or panniers, etc., I assume you have already been researching that and have come to some conclusions.