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fix(gemini): support native TTS generateContent endpoint

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Pass Gemini AUDIO/TTS generateContent requests through to Google's native
v1beta endpoint instead of converting to chat, with per-credential fallback
(504 timeout, 502 fetch failure). Accept client keys from Bearer,
x-goog-api-key, or ?key= while forwarding only the configured Gemini
credential upstream. Expose native v1beta model names and rewrites, and add
Gemini 3.1 Flash TTS to the catalogs.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
nguyenha935
2026-06-26 10:48:55 +07:00
committed by decolua
parent 1980178d02
commit dae69a3916
7 changed files with 585 additions and 8 deletions
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3
open-sse/config/runtimeConfig.js
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@@ -49,6 +49,9 @@ export const STREAM_FIRST_CHUNK_TIMEOUT_MS = envMs("STREAM_FIRST_CHUNK_TIMEOUT_M
// Fetch connect timeout: abort if upstream doesn't return response headers within this duration
export const FETCH_CONNECT_TIMEOUT_MS = envMs("FETCH_CONNECT_TIMEOUT_MS", 60 * 1000);
// Gemini native TTS fetch timeout: abort if Google does not return response headers in time.
export const GEMINI_NATIVE_TTS_FETCH_TIMEOUT_MS = envMs("GEMINI_NATIVE_TTS_FETCH_TIMEOUT_MS", 45 * 1000);
// Default token limits
export const DEFAULT_MAX_TOKENS = 64000;
export const DEFAULT_MIN_TOKENS = 32000;