Schemas & namespaces

Schema lab: one store serves two bots across two projects, and twenty-four records are written through one record shape. Fourteen questions across seven failure classes — scope, currency, resurrection, time travel, attribution, trust, citation — are asked of five schema versions. A key and a string answer 0 of 14 and return a wrong record 7 times; scoping answers 1; provenance takes it to 8 but still returns 6 wrong records; the four truth fields take it to 14 of 14. Leaving one field out at a time shows 8 fields carrying every answer and 7 earning nothing on this run. Namespaces are the other half: 16 records read from checkout, 11 from ledger, 5 shared, 2 handoff scratchpads in neither, and 0 leaks across once the field exists — against all 24 for a store with no namespace at all.

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