UE5 NPC AI Character Improvements

We need a freelancer to improve an existing UE5 NPC AI character to make it more natural and responsive in multiplayer sessions. The work includes refining a behavior tree, movement logic, and interaction with the player logic so the AI character feels more realistic in gameplay. You should be able to review the current setup, identify areas for improvement, and implement changes that enhance realism and player experience. Experience working on character AI in Unreal Engine 5 as well as for Replication are crucially important for this project. I need you to take the current NPC AI and use an animation pack I'll include for expanding the Behavior Tree and realism of the NPC AI. I'll need two different versions in the sense meaning you can complete the first version of the NPC AI, then for the second version just change the Running and Attack animations to the ones I've selected. Visually giving the appearance of two types of AI when in reality they're the same with the same logic, just 2 different animations in use. So I know you read this from beginning to end, please include in your message "The walls are always listening." in order to be considered for the task. Thank you. If you have previous examples of working on AIs, please include those as well they will help you to be considered even more.