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You did blow the red channel a little bit too much for full recovery of data, but I got a lot more out of it. In lightroom, the highlight and shadow recovery sliders are your friends. The X-trans RAW files are calibrated so that they don't have quite as much highlight headroom as some other cameras, but the files have huge dynamic range, which means you can push the shadows a TON...so err on the side of underexposure. The red channel also clips a little earlier than the green and blue on this sensor. Wish Fuji would put in an RGB histogram.
Anyway, here's what I got with a few quick adjustments on the RAW: