Personally her speed isnt an issue until she's already close an spotted you, other than that I've managed to out run her a great many times. You can even manipulate her ai by standing in the wallpaper control doorway, let her spot you an interact with the wallpaper to stop chase. (Useful for making her change directions to where you want her to go)
The map indeed loaded with dead ends makes every distance away from the security room feel like a trap. Utilizing the cameras to track frenni position then venture in the opposite area to do a task was the counter to this.
The power loss makes sense in that it showcases some time have been lost when you were unconscious but of course not too much of a power loss 🙏. Removing that mechanic might be a bit much maybe for an easier setting perhaps.
1st time using such an inventory system was honestly quite fun an interactive, tho I did encounter these bugs multiple times, when filling the battery of flashlight if you miss, the battery just stays there on the side not becoming interactable, same with some items, attempting to drop them they just lingered on my screen not being dropped sometimes even stacking on already existing items.
Most of what afd26 was mentioning may be good ideas to consider but the problems they have faced may have been due to a lack of experience/creativity in overcoming the challenges. As they have mentioned in escaping her an camera being useless
Her speed you can A) track her an go the opposite way, B) complete a task that distracts her removing her for a while or even C) putting yourself in a position to where you can outrun her (once she's not a feet Infront of you it's manageable to escape) hope this helps both parties