the_sweep_claims_work_no_root_covers builds a world with no declared
root, so no deficit row names any jurisdiction, and one open boundary
only Uncovered can claim: a positionless debtor's obligation to a
creditor who can neither command nor sue it (MissingStructure). One
sweep runs one session for it, recorded under Uncovered with that
boundary as its answer.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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