Adding waypoints not working well

I’m finalizing my newest Rig made in Synfig Studio, now I want to pose it, but no waypoints are saved. And neither the Add Waypoint(Right click on object) nor creating keyframes are saving the previous pose.
I want a keyframe for T Pose a and rest for other poses like I’ve done in this previous Rig:
Sonic RubberHose Walk.sifz (40.8 KB)
Are there other reliable ways to add Waypoints to multiple objects(Bones, Vertexes[…]), that doesn’t evolve manually moving each object to add waypoints?
Here’s the project in question(Very big):
Worker Drone Face Rig Proj.sifz (101.0 KB)

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