Add constrained-generation primitives (logits / acceptToken / vocab)#9
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…ab queries Adds getNextTokenLogits, acceptToken, getVocabSize, isEndOfGenerationToken, and endOfSequenceToken so a Swift caller can run a select-then-commit decode loop (read the logits row, choose a token under its own constraints, commit it to advance the shared-context KV) instead of the all-in-one sampleNext. Additive and unused by current callers; the foundation for Cotabby's base-model constrained decoder. Single shared context: callers must not interleave other sequences' decodes between getNextTokenLogits and acceptToken.
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Additive C++ on
CotabbyInferenceEngine:getNextTokenLogits,acceptToken,getVocabSize,isEndOfGenerationToken,endOfSequenceToken. Lets a Swift caller run a select-then-commit decode loop (read logits row, choose under constraints, commit to advance KV) for Cotabby's base-model constrained decoder. Unused by current callers;swift buildclean. Single shared context, so callers must not interleave sequences between read and accept.