Operator decisions after Soul's check of the sibling locks: a legacy-key global
loads as a read-only compatibility shim that the first write replaces under
__global__ and removes; re-entrant mutation is forbidden in TS and Python; a
Rust store keeps receiving its full view and the default push_all fails closed.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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