A tofu company just recalled 75,000 packages across 29 states because the ink printed on the outside of the bag dissolved through the plastic and into the food. The suspected solvent is the product's own chili oil. Ink migration is a known failure mode in flexible packaging. Most printing inks are lipophilic, meaning they dissolve in fat. Water-packed tofu can sit in printed film for years with no issue. Wrap chili crisp oil in that same film, let it sit refrigerated for months, and you've…