F3: the only existing fault for the open-items dispatch arm (an orphaned
instance document) sits outside the campaign a request asks about, so two
loosenings survive unnoticed: one that swallows an Unavailable naming a
document in the requested campaign, and one that swallows every Unavailable
except a missing receipt.
Add open_items_refuses_on_a_fault_inside_the_requested_campaign, driving a
missing receipt, an undecodable stored document (docs.rs:46) and a document
written by two receipts (query.rs:145), each on a cut spec rooted in the
requested campaign. Add mutation entries S1 and S1d against
Mind::open_items; both die against the new test.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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