Report this to the police and the State Bar. The police can set her up with your help for an arrest. Then you can sue her.

Probably. If they have video of some other tracking they could pursue.

Whatever agreement you reach, have them put it in writing. A charge off does not mean you do not owe the money.

Only what the judgment says is owed

You will not get arrest as a first solution, sanctions only and that they owe the money.

Probably none based in these facts.

Check with the bankruptcy attorney for the company.

Your concern is valid. Your insurance will cover you. Check with your insurance agent if there is any coverage that should be added or increased.

Locking you out is a legal violation for which she can be sued. Use the Avvo search tool to find an attorney. https://www.avvo.com/find-a-lawyer

Get a lawyer who then can find out if there are security cameras and sue the store and the employee. Use the Avvo search tool to find an attorney....