correct the drugs/retail claim: measured, not fixed

correct the drugs/retail claim: measured, not fixed

text-v13: hash-based splits, 44 classes with unavailable, recalibrated

text-v5: punctuation kept, measured better than stripping it

text-v6: parked class, restored term frequency and word order

v0.10.0: taxonomy surgery -- 47 classes, T=1.812

v0.9.0: retrained without the English dictionary filter, T=1.742

mmBERT-small fine-tune, 39 Shallalist classes, T=3.416

initial commit