Claude Owner 6211985730 fix(melo-test): strip standalone Hangul jamo before synthesis ...

MeloTTS-Korean's symbol vocab only includes precomposed Hangul
syllables. Bare Hangul Compatibility Jamo characters (ㅋㅋㅋ, ㅠㅠ, ㅎㅎ)
and Hangul Jamo block code points blow up in
`cleaned_text_to_sequence` with `KeyError: 'ㅋ'` (or similar).

Pre-clean the request text in `/tts` to drop those code point ranges
before handing the string to the model, collapsing the leftover
whitespace. If sanitization yields an empty string, return 400 with
an explanation instead of a 500 stack trace.

Also document the limitation in the README troubleshooting section.

2026-05-26 21:04:27 +09:00

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