- Synthesize collaborative multi-agent architectural analysis in NATS_REPORT.md - Establish Option C: retain MQTT client protocol while adopting nats-server as dedicated broker - Add private server deployment and configuration guide in PRIVATE_SERVER.md - Update IMPROVEMENTS.md with latent defect findings (B-14, B-15, B-16, O-5) and 4-track priority roadmap - Archive durable loop planning and review reports in .agents/reports/