Document final endpoint policy and rejected speaker-tail pilot

Document scoped quality-reranked inference

Release stable long-form recovery checkpoint

Release selected stable recovery checkpoint

Document selected stable release and conditioning contract

Restore centroid demo artifacts

Update BlueMagpie-TTS checkpoint step_0006000

Docs: document bundled multi-speaker centroid table (hung_yi_lee + female_voice)

docs: note Hung-yi Lee speaker centroid is bundled with permission (USAGE.md)

docs: primary USAGE.md example loads tokenizer explicitly (transformers 5.x)

Initial OpenFormosa release of BlueMagpie-TTS (rebrand from voidful; provenance refs preserved)