I decided I wanted to integrate the experimental OCR thing better, so I rewrote in Go and also integrated the thumbnailer.
However, Go is a bad langauge and I only used it out of spite.
It turned out to have a very hard-to-fix memory leak due to some unclear interaction between libvips and both sets of bindings I tried, so I had Claude-3 transpile it to Rust then spent a while fixing the several mistakes it made and making tweaks.
The new Rust version works, although I need to actually do something with the OCR data and make the index queryable concurrently.
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