fix(kokoro, kitten_tts): match PyTorch reference semantics in five decoder paths (-2.5 dB level error, F0-path misalignment, window mismatch) - #859

Aug 5, 2026

fix(kokoro, kitten_tts): match PyTorch reference semantics in five decoder paths (-2.5 dB level error, F0-path misalignment, window mismatch)#859
lucasnewman merged 2 commits into
Blaizzy:mainfrom
mchen04:fix/kokoro-port-fidelity