Implementing Image Upload and AI Recognition in Chat: A Complete Solution from Design to Implementation

In AI interaction systems, how can we enable users to upload images and have AI directly recognize them? I've actually struggled with this question for quite a while, but fortunately, I've gained some insights through the practice at HagiCode. Today, let's discuss this image upload and recognition solution—from custom protocol design to file system storage, to front-end and back-end separated preview. This serves as a complete technical note.

Background

In this era of AI chat popularity, visual information is actually an important carrier for users to express their intentions.…