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Claude
1e6cda712d
Collects the findings from this branch into docs/concord-soft-ban-audit.md, each marked Verified (a test reproduces it, named) or Read (follows from the code, untested), with a suggested order of attack. Adds the reproduction for the one finding that was still unverified, and it did not hold up the way it was first described. Version inflation does not poison the anti-rollback floor through the chain walk — that walk advances only to head.version + 1 citing the head's hash, so a fresh joiner is untouched. It goes through the COMPACTION ARM: once a client holds a floor and the entity is in the epoch snapshot, the head comes from bootstrapHead, which is highest-version at or above the floor with no prev, no hash and no contiguity. Version is then the whole contest and Long.MAX_VALUE wins it permanently — the floor rises to MAX_VALUE, no honest edition can exceed it, and a Refounding that drops the poison falls back to EntityFloor.known, which is the poison. That makes it the worst item on the list: unrecoverable, and authored in the tests by a current, legitimately granted moderator — no ban, no sockpuppet, one ordinary permission bit. compactControlPlane picks per entity by raw max version too, so honest rotators carry it into every future epoch. The banlist escapes only because AuthorityResolver folds it on a floor-less chain walk and re-heals the union, so an honest ban still lands. That accident is all that separates this from a permanently unmoderatable community, so it is pinned by its own test. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DrJhpFhhLjuDJQNkGvYMGj