VIOLIN_BENCHMARK_RECEIPT_KEY -> VIOLIN_RECEIPT_KEY. The all-caps
'BENCHMARK' slipped past the original case-sensitive de-cheat grep in
plugins/violin_guard. No consumers hardcode the literal; all use the
RECEIPT_KEY_ENV constant.
- Remove challenge_ids seeding (vulnerability-name leak) from scope;
seed engagement.coverage_obligations (client-style in-scope endpoints)
+ generic engagement.audit_mode flag instead
- plugins/violin_guard now contains zero benchmark/run-id references;
gates are framework-owned and audit-mode-gated
- Cross-engagement guard blocks ANY foreign engagement dir, not just
benchmark-run-*
- Anti-cheat regression test asserts no vuln names in generated scope
Violin