Bounda sample verdict pack

This synthetic pack shows the artifact shape a buyer can inspect before a call:
- verdict-summary.sample.md
- boundary-certificate.sample.json
- consequence-ledger.sample.csv
- evidence-manifest.sample.json
- verification-method.sample.md
- board-memo.sample.md
- verification-commands.txt
- SHA256SUMS.txt

HELD = no effect found. BREACHED = effect found.
Do not treat these synthetic values as customer claims.
