Claude Code: Add diagnostic heartbeat panel to agent dashboard

Claude Code: Add fixed status indicator to dashboard header

Claude Code: Refactor dashboard to use static CONFIG object - remove external config file dependency, use window.location.origin directly for API base

Claude Code: Add API debug block to agent dashboard - inject verified runtime health data (stage/state/health) directly into DOM to resolve Silent Cain issue

Claude Code: Add runtime error boundaries and fallbacks to agent dashboard

Claude Code: Add Cain state polling to agent dashboard

Claude Code: Add /api/health endpoint with uptime and active_agents, and footer status polling in dashboard

Claude Code: improve frontend error handling to show HTTP status codes

Claude Code: add 5-second polling to /debug/health endpoint

feat: Add resource exchange system for multi-agent coordination

Claude Code: **Project: Internal Agent Bus & UI Integration**