Best to consult with an attorney for further guidance. Good luck.

Yes this stamp will allow for safe travel outside of the US.

Yes the I130 may be filed but the I485 cannot be until case is terminated in court.

Yes but best to bring name change documentation at time of entry.

You will need to wait the normal 5 years based on information provided.

Adoption is very difficult so other options should be explored.

You should receive this if indicated in the DS260.

It indicates final review of your application.

Consult with an attorney for interview preparation assistance.

Wait for the denial notice and consider consult with an attorney for guidance.