- Change query_json column from TEXT to JSON, ip/user_agent to CHAR(64)
for PII redaction compliance
- Update repository, service, and views for hardened schema
- Add architecture contract test for security logging redaction
- Add search resource provider test coverage
- Include DB migration script for existing installs
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>