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https://github.com/tiennm99/goclaw.git
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viettranx
daa5adb88b
Add StreamingTTSProvider interface for audio streaming support. Implement voice caching with TTL+LRU. Add ElevenLabs model validation and voice list retrieval.
36 lines
1.3 KiB
Go
36 lines
1.3 KiB
Go
package elevenlabs
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import (
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"errors"
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"github.com/nextlevelbuilder/goclaw/internal/i18n"
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)
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// AllowedElevenLabsModels is the allowlist of ElevenLabs TTS model IDs the
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// gateway will forward. Keeping this explicit prevents operators from pasting
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// model aliases that silently fall back to the provider's default model.
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//
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// Refs: https://elevenlabs.io/docs/api-reference/models
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var AllowedElevenLabsModels = map[string]struct{}{
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"eleven_v3": {}, // latest flagship (Nov 2025)
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"eleven_flash_v2_5": {}, // low-latency, 32 languages
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"eleven_multilingual_v2": {}, // high-quality multilingual
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"eleven_turbo_v2_5": {}, // cost-optimized, fast
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}
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// ValidateModel checks that id is on the allowlist. Empty id is treated as
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// "use configured default" and returns nil. Unknown ids surface an i18n
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// error keyed by i18n.MsgTtsUnknownModel so the gateway can localize the
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// message before returning it to the caller.
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func ValidateModel(id string) error {
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if id == "" {
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return nil
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}
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if _, ok := AllowedElevenLabsModels[id]; ok {
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return nil
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}
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// English fallback — callers with a locale should wrap via i18n.T at the
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// boundary. Model id is embedded so operators can spot typos in logs.
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return errors.New(i18n.T("en", i18n.MsgTtsUnknownModel, id))
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}
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