- Add scripts/update_readme_status.py to generate a deterministic status block, enforce traffic-light shard tables, and validate/fix internal links - Refactor nexus-mcp/README.md into a managed status layout with standardized WIS traceability and Discipline Drives Quality sections - Aligns with session goals for operational readiness and disciplined documentation as Nexus-MCP scales Ref: SESSION_SNAPSHOT_2026-04-13