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Apply the GGUF's suppress tokens in the WebGPU TTS sampler - #211
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This was referenced Nov 8, 2026
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Fixes #210
What: The TTS talker sampler now puts a
-inflogit bias forllama_vocab_get_suppress_tokensfirst in its chain, as upstreamcommon_samplerand llamadart-native#180 do.Why: Qwen3-TTS lists its codec control tokens there; a sampled one fails synthesis with
code out of range. Chatterbox Turbo needs the bias to produce audio.Test:
tests/bridge/tts_sampler_suppress_tokens_test.mjs(static contract, like the othersrc/contract tests; the bridge has no native test harness) checks the bias is built from the vocab's suppress tokens, uses-INFINITY, and is added beforetop_k. Mutant: revertingsrc/llama_webgpu_tts.cppfails both tests (2 fail, 0 pass). With the fix,npm run check:jsandnpm testpass (602 pass, 0 fail). The pinned llama.cppv0.5.0exposesllama_vocab_get_suppress_tokens.Not run: wasm build and TTS browser smoke (large model artifacts; left to CI).