Some good investigation overall coming through in the GYM's.
What is noticeable is that there's alot to balance within this project and the proffessional in me suggests fixing or tightening up what you have because the core experience is missing the mark.
Alot of work here, can there can be a game to have fun with but right now it might be wise to tighten up the ship.
Odd issues with respawn logic.
Would also suggest spending time with the cameras as there's alot of inconsistencies on how you are wanting to work with those.
The jump+dash combination feels somewhat hampered by the cooldown and when demonstrated in the GYM's theres a feeling that the cooldown is impacting the rythm that I think you might be after. If thats not the case then the metrics and space used for the GYM scenario's might be built to the wrong scale.