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feat(tts): add Gemini 3.8 TTS models, Voice Design, and Voice Replication - #84
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This pull request updates the Gemini API development skill documentation and migration guides to support the new Gemini 3.8 TTS models (gemini-3.8-flash-tts and gemini-3.8-flash-lite-tts), detailing features like Voice Design, Voice Replication, and speech metadata annotations, while also bumping the minimum Python SDK version. Feedback on these changes suggests clarifying that the annotations field is an array in SKILL.md to avoid validation errors, and improving the formatting in migration.md to clearly separate the field name from its example value.
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Summary
gemini-api-devskill to feature Gemini 3.8 Flash TTS (gemini-3.8-flash-tts) and Gemini 3.8 Flash-Lite TTS (gemini-3.8-flash-lite-tts), replacinggemini-3.1-flash-tts-preview.voice-design.md.txt), and Voice Replication (voice-replication.md.txt).speech_metadataannotations ontextcontent blocks ({"type": "speech_metadata", "speaker": "...", "style": "..."}).references/migration.mdfor upgrading fromgemini-3.1-flash-tts-previewto Gemini 3.8 TTS (coveringspeech_metadata, defaultaudio/wavunary output vsaudio/l16streaming output, inline vocal tags, and Voice Design personas).google-genaiPython SDK minimum version to>= 2.25.0.