Clarify MIT usage and upstream notices

Make MIT license section explicit

Add MIT license and KPF attribution

Remove generated Python bytecode cache

Fix Korean ID context dependence and publish new independent evaluation

Deprecate invalid legacy calibration artifact

Mark legacy class-weight path as compatibility metadata

Clarify final training and canonical thresholds

Publish final 512-token Korean PII NER model and evaluation

Add detailed per-label evaluation results

Update detailed model card and evaluation description

Publish final KPF-BERT Korean PII NER model

initial commit