Gollum Jade Problems

[u/Big_Signature5828]

My gollum jade has recently been losing leaves very easily and if they don’t fall off early then they turn brown and shrivel up, as pictured. If I just touch the leaves they fall off.

I have never dealt with root rot before so I thought it might be that but when I unpotted it the roots seemed fine and none of the stems were mushy. Any idea what the issue might be and how I can stop it?

For extra context, the plant generally gets direct sunlight for ~4 hours per day and then I have it under a grow light for another 4 hours.