Pandora is splendid, and I think she's a great namesake. Curiosity isn't a flaw. Pandora could be considered, spiritually, the Greek equivalent of Eve.
I love Persephone too. It's dramatic and flamboyant, and it could be a subtle way of hinting at the motherly devotion presented in the myth.
My ultimate Pandora combo is Eve Pandora. But if I had to find a middle name... Is Pandora Jane too simple? Someone mentioned Persephone Sylvia recently, and I fell in love with it. If we're allowed two middle names, Persephone Sylvia Joan. And maybe Eve Pandora Jane? I usually avoid two one syllable names in a combo like the plague, but I think Pandora breaks the flow up nicely.
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080