Fix config.json: replace non-strict-JSON Infinity with finite cap (silences HF parse warning; training-only fields, no inference impact)

Add fp16 build (1.04 GB, half size; fp16-on-disk/fp32-at-runtime, verified no quality loss)

Add fp16 build section (optional half-size checkpoint, verified no quality loss)

Genericize teacher reference in model card

XTTS-v2 Hinglish fine-tune on 100% synthetic data + model card

initial commit