Ancora enhancements:
- Add audit logging integration for all operations
- Provider registration, data root updates, erasure operations
- getAuditLog query method for GDPR transparency
Test infrastructure:
- Add vitahelper package for registering test Vitas
- Add tutustest helpers: crosscontract, events, government, roles
- Fix DataTypePresence constant in Ancora test
State updates:
- Fix state_anchors TreeAlgorithm enum values
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>