Correct the minimal-node model: the minimal compose itself carries
--init.prune=minimal (prunes to genesis+head on start) instead of relying on a
separate .prune.yml — otherwise a minimal node was byte-identical to pruned in
normal operation and had no way to enforce minimal state. Removed the redundant
minimal .prune.yml files.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
rob
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