Jun 27

1. 20:15

   add honest limitation note (not exact on long chains; Neural GPU drift)

   TrickyRex
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   e0cd9f8
2. 18:26

   bit-serial learned reducer (L=256): tiers 1-7 exact on local eval

   TrickyRex
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   68af9e7
3. 18:26

   initial commit

   TrickyRex
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   c01145c