sequencer - closed camera path for looping

Hi,

how do I connect beginning and end camera keys into one seamless circular interpolated path to create a seamless looping animation?

I have a camera which I would like to end where it starts, it should create nice interpolated curved movement in the start/end keys

at first I had the not so nice sharp corner

(where the corner is, there is the start key and the end - last - key frame)

next > I have added one more point to make it nicely curvy

so now it is almost nice in the 3D space, but that is it, it isnt completely smooth and rotation of the camera is also not 100% following up and it is pain in the ■■■ to do this

is there a way how to connect the start and end point in order to create one nice looped animation? to have the right interpolated rotation of the camera between points? is there some standard workflow for this?

I would prefer not to use the camera rig crane, but it it is the last resort… what would be the right workflow here?

the final path should look somehow like this> pink circle is where the animation starts / ends, it should start/end there

thx