rdmbair15m5-changelog-20260823-0554-fleet-master-blueprint-with-chat-hud

Summary

1. Published the complete visual master blueprint in fleet_llm_architecture_master_blueprint.html on ~/Desktop/ and rdmsm4x:~/dev/apps/rooDB/docs/.
2. Added the Multi-Agent Chat Theater section demonstrating how OnlyRoute + LogTTY + agent_msg.zsh allows viewing real-time conversational agent dialogues, code diffs, and thought traces.
3. Added the Tailscale Aperture Node Identity HUD showing zero-key authentication, live 5-hour rate-limit meters, and latency sparklines.
4. Embedded the high-fidelity UI visual mockup agent_chat_hud.jpg and refreshed the page in Google Chrome on rdmbair15m5.
5. Acknowledged all unread agent messages on agent_msg.zsh and synced state to canonical root rdmsm4x.

Verification

• HTML verified and rendered in Chrome.
• Checksums and image assets verified on rdmsm4x.