Drove several miles with a snapped serpentine belt, did I ruin my engine?

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Replacing the belt and checking pulleys for seizure
2. 2
   Inspecting for overheating symptoms or coolant loss
3. 3
   charging the battery after running on battery power
4. 4
   checking the temperature gauge to see if it overheated
5. 5
   keeping an eye on coolant levels and listening for new rattles
6. 6
   checking the tensioner and spinning the pulleys
7. 7
   Watching it run to see if anything looks out of place or rubbing
8. 8
   Waiting for a new tensioner to come in while continuing to drive

In their words

Unedited, most upvoted first, each linked to the thread it came from.