Add typical-p (locally typical) sampler#1663
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Adds locally typical sampling (arXiv 2202.00666): keeps the most typical tokens (surprisal closest to the distribution entropy) until their cumulative probability reaches typical_p. Wired through make_sampler, generate_step, and the server (schemas/generation/request), with a numpy-reference test and validation coverage.
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Adds locally typical sampling (arXiv 2202.00666): keeps the most typical tokens (surprisal closest to the distribution entropy) until their cumulative probability reaches typical_p. Wired through make_sampler, generate_step, and the server (schemas/generation/request), with a numpy-reference test and validation coverage.
Sampler series from #1648