- Created `nexus-work-item-register.md` to establish a canonical registry for NEXUS-XXX work items, including shard assignments and a full work item backlog.
- Added `READ_ONLY_VERIFICATION.md` detailing the results of a security audit confirming zero write capabilities across integrated systems.
- Introduced `RESILIENCE.md` outlining the new enterprise system resilience feature, including automatic retry logic, circuit breaker pattern, and graceful degradation strategies.
- Developed `TEST_VALIDATION_REPORT.md` summarizing the successful rebuild of the Nexus MCP server with full audit shard functionality and comprehensive test results.