Really good image.
Is 977 is described as the machine itself but the actions and logs are all taken by the puppet. This is the biggest issue for me.
RPC-977 will then gain the ability to control when the expiration of the subject will occur. It will do this by altering events by unknown means that will cause the subject to expire in the specified way.
How do they know that it's by control rather than seeing the future? How often are the predictions true? In the logs it's not "gaining the ability to control", it's straight up killing them with various means. The one closest to your description is choking, but that's pretty clear instant reality/summoned object manipulation. (IMO) I wouldn't call it control of when they expire when it is the one directly killing them. Some logs of them dying not immediately by its hand would be help.
The logs have it manifesting pizza out of thin air, which manifesting things should be described as a capability in the description. Same thing with the bugs and cyanide, that is described as a defense mechanism for if it's tampered with, not an offence capability.
Saddly this does not strike me as anything Amazing co either. If it didn't have it printed on the machine I wouldn't have known.
Keep working at it.