Any state that has its political lines drawn by its legislature is guilty of some sort of political bias. The only fair redistricting seems be be multi member districts based on population proportions.
Using Michigan as an example 4 multi member Congressional districts. Detroit Metro, West Michigan, Mid Michigan, and Northern Michigan and the UP. Metro Detroit gets 4 seats based on population size, the rest get three.
Utilize A-I to help with mapping the districts as well as an outside no political organization.
Go to proportional allocation of Electorial votes.
The plan I ran on ChatGPT had the outcome in both districts and EC votes as 7-6 in favor of Republicans. Makes more sense than winner take all. The House seats also came out 7-6, GOP