Timing Mark Dilemma

If you look at the OEM FSM photo.

The dots are on the peek of a tooth

Red and blue

Screenshot_20241227-164559.png

In the photo of your gears and chain it's peak (red) and valley (green) (1/2 tooth off)
Screenshot_20241227-164500.png
BUT.... that does not mean that the keyway in one or both gears is not adjusted to make it work right.