Remove Demo link from navigation bar

Remove demo page and all demo-related files

Fix 500 error on /api/agents/action and NaN in vitals sparklines

Fix agent routing bug: Dr. Sharma responding instead of Patient/Family

Fix HF Spaces deployment: Dockerfile, router registration, cleanup backup files

Add Hugging Face Spaces deployment configuration

🚀 Production-ready multi-agent medical simulation with major improvements

Merge enhanced clinical simulation with multi-agent system, WhatsApp UI, and examination module

Complete 5-phase clinical simulation: agents, complications, WhatsApp UI, exam module

Add full hospital simulation engine with time progression, treatment effects, and multi-agent dynamics

Add multi-agent hospital ecosystem with patient, nurse, and senior doctor

feat: Fix case routing, add session tracker for dynamic analytics

feat: Complete Clinical-Mind v2.0 - Full-Stack AI Patient Simulator

feat: Wire frontend to backend APIs and upgrade Socratic tutor to Claude

feat: Initial Clinical-Mind project setup with full-stack architecture