Font of knee - I've had issues with patella tracking. It does it hindsight yeah. I wish the cleats weren't moved - it's left me with achilles tendinitis that's proving hard to kick
Recovery will depend on how much damage you've done and how old you are, how healthy you are and how much rehab you do. Mine was always rideable after a week with NSAIDs but if I continued I'd probably have fucked something properly and been off the bike a lot longer.
Front or back of knee? Still seems odd moving cleats forward for a knee complaint.