I attached my mod list, thogh I don't think this is mod-related as I'm doing a quasi-vanilla run.

Here's a more detailed description of reproduction; this issue is reproduce 100% when these steps are followed on my save:

1. Find a machine of furnace prototype, insert items just sufficient for one ...

After re-building the prototypes and loading the save, if a machine of furnace prototype has one craft in progress but no items in their internal container at the moment when the game was saved, it will "forget" about that ongoing craft, and get stuck in the state shown below:

Screenshot 2026-06 ...