well sure. But if you were building this for actual usage, you'd have a separate cron-style tool that would monitor your picture folder (and its subdirectories)

well sure. But if you were building this for actual usage, you'd have a separate cron-style tool that would monitor your picture folder (and its subdirectories) for new images. Feed aforementioned image into Llava or any number of image classifier APIs, embed classification information as IPTC data into the image file. Then give the CLI flag for the search tool the ability to do partial word search on metadata within images.