PHILADELPHIA — Habiba “Debbie” Hayes had just gotten the keys to a new row house and was driving to announce the good news to her family when a text flashed on her phone from her daughter. She decided to look at it later. Hayes would be seeing her soon at the family gathering. Both home health care professionals, Hayes and her daughter, Shaliyah Davis, had plans to move in together and start their own business at the new home in Southwest Philadelphia. It was a new beginning for both of them. Davis told her mom she was going to leave her boyfriend that very day. She was four months pregnant. A…