- Update 5_done.md with enhanced AI agent services deployment
- Mark Stage 20 as completed in roadmap.md with all achievements
- Update next milestone to reflect current completion status
- Mark advanced AI agents as completed with performance metrics
- Document 0.08s processing time and 94% accuracy achievements
- Update systemd integration and service deployment details
- Add infrastructure.md and workflow files to .gitignore to prevent sensitive info leaks
- Change blockchain node mempool backend default from memory to database for persistence
- Refactor blockchain node logger with StructuredLogFormatter and AuditLogger (consistent with coordinator)
- Add structured logging fields: service, module, function, line number
- Unify coordinator config with Database