Sep 19 28 days ago

1. 17:22

   stage listing raises instead of returning {}; empty-repo case handled explicitly; verify refuses manifest-less PASS; +val holdout in merge

   Cion-lab
   Verified signature

   9f37a2c
2. 17:09

   build_mix v2: stage->merge interleave + doc offset table; verify_mix asserts source-mix floor

   Cion-lab
   Verified signature

   20765b9
3. 17:01

   build_mix: fix doc_hash byte/hex slice (smoke test caught it); add build/verify_mix.py

   Cion-lab
   Verified signature

   2002986