Implementing Pause, Resume, and Selective Manual Correction in Curve-Fitting Analysis with KNIME

I am currently building a curve-fitting analysis program in KNIME, where I use R View to manually correct abnormal curves (based on certain parameters obtained from the fitting process). However, the issue is that every time I run the program, it processes all the curves (which could be several hundred, and out of those, over a hundred may need manual correction). The process cannot be interrupted. Sometimes, I would like to pause after processing a portion and resume the next time I have more time. Additionally, if I make a mistake during manual correction, I would like the ability to modify only the specific curve, while keeping the others unchanged. How can I implement these features?