They're insured up the ***. If she's determined at fault, their insurance will settle pretty fast. Get yourself patched up. Get a new bike. Their union is strong. She'll be put on admin duty for a while getting paid to do office work. Who knows, if she gets in enough accidents, she may make postmaster (this is how another bay area USPS employee got their job, but shhhh...it's a secret.) Maybe you can just get USPS to give you an old trek5900 they've got lying around.