"Typically, total wages earned in IL are reported on IL state tax as a part-time resident and ZERO wages for IN (because I did not earn income in IN) as a part-time resident of IN."
No, it does not work like that. For 2022, you will file a part year resident return for both states. For Il you will report all the wages earned in IL as well as any other income (e.g. interest) received while a resident of IL
For IN, you will report the IL wages earned after the move, even though it duplicates what you're reporting to IL. You will also report to IN any other income received after the move. IN will give you a credit for the tax paid to IL, but only on the the tax paid on the wages after the move. The TT interview can handle this
