How to batch processing non-destructively then fine tune individual images?

[MakeLimeade]

I'd like to do batch processing of a bunch of jewelry images. This is the workflow I'm hoping for:

1. Curve adjustment (mostly adjusting white/contrast).
2. Square crop to fit.
3. Resize to 2000 x 2000 pixels.
4. Save as afphoto to fine tune edits.
5. Open the .afphoto to fine tune any edits.

However the crop and resize seems to be destructive. Is there a way to do what I want? 

Thanks!

[NotMyFault]

There is no need to resize and crop.

You can use a non-destructive crop (create a 2k x 2k rectangle and nest all layers to it). Actually, only aspect ratio matters. 
You can define any size in export or export persona, not touching the original document.

 

Please be aware that non-destructive crop has minor side effects wrt clipping (activate „precise clipping“) and anti-aliasing / masks, but this affects only specific documents / workflows.

Alternatively, you could group all layers, and nest the clipping rectangle (must be filled in white) to the „masking“ position of the group. Set blend mode to normal. Again, could have different side effects in rare cases.

please be aware that noise and sharpening filters (unsharp mask) depends on actual pixel dimensions, preview may produce different result to actual export.

[Old Bruce]

In addition to NotMyFault's advice you could try adding step 0 (zero) Make a copy of the file. This way you don't have to worry about things being destructive.