You may file written objections. Link explains: https://www.courts.oregon.gov/rules/UTCR/2017_UTCR_ch9.pdf

Your friend is entitled to 30 day notice and protections provided for in Oregon statutes, Link provides...

File amended POS immediately and request continuance at hearing.

Mother should review all facts with elder law counsel for direction.

I agree with colleagues and add: Gift not taxable to you. Banks required to report all cash deposits over $10,000 to IRS.

Your attorney can create written modification to address ambiguity. If written modification not successful, your attorney may file FRO to clarify...

Yes. You may travel with minors child durin period of physical custody unless orders restrict such travel.

You may sue for damages in Small Claims Court.

If all statutory requirements are met, you are presumed parent. You may initiate challenge to presumed parentage. Link...

Use AVVO find-a-lawyer site to find an attorney.