8.3 Memory Optimization

• Share framebuffer between VMUs when displaying the same content
• Use compressed representation for static content
• Minimize per-VMU state

9. Testing Requirements

9.1 Unit Tests

• VMU detection
• VMU display rendering
• VMU terminal integration
• Multiple VMU handling

9.2 Integration Tests

• VMU with main terminal
• VMU input handling
• VMU hot-plugging
• VMU error handling