Apply Composer changes: comprehensive API updates, migrations, middleware, and infrastructure improvements

- Add comprehensive database migrations (001-024) for schema evolution
- Enhance API schema with expanded type definitions and resolvers
- Add new middleware: audit logging, rate limiting, MFA enforcement, security, tenant auth
- Implement new services: AI optimization, billing, blockchain, compliance, marketplace
- Add adapter layer for cloud integrations (Cloudflare, Kubernetes, Proxmox, storage)
- Update Crossplane provider with enhanced VM management capabilities
- Add comprehensive test suite for API endpoints and services
- Update frontend components with improved GraphQL subscriptions and real-time updates
- Enhance security configurations and headers (CSP, CORS, etc.)
- Update documentation and configuration files
- Add new CI/CD workflows and validation scripts
- Implement design system improvements and UI enhancements

docs/infrastructure/USER_GUIDE.md

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+# Infrastructure Documentation Dashboard - User Guide
+
+## Overview
+
+The Infrastructure Documentation Dashboard provides a comprehensive interface for managing network topology, compliance requirements, deployment timelines, and cost estimates.
+
+## Getting Started
+
+### Navigation
+
+- **Dashboard**: Overview of all infrastructure documentation
+- **Network Topology**: Visualize and edit network diagrams
+- **Compliance Mapping**: Track compliance by country and framework
+- **Deployment Timeline**: Manage deployment milestones
+- **Cost Estimates**: View and manage cost projections
+
+### Keyboard Shortcuts
+
+- `Ctrl/Cmd + E`: Toggle edit mode
+- `Ctrl/Cmd + S`: Save changes
+- `Ctrl/Cmd + /`: Show keyboard shortcuts
+- `Ctrl/Cmd + F`: Open global search
+- `Escape`: Cancel/Exit current action
+
+## Features
+
+### Network Topology
+
+#### Viewing Topology
+- Select region and entity from dropdowns
+- Use zoom controls to navigate large diagrams
+- Click nodes to view details
+
+#### Editing Topology
+1. Enable edit mode using the toggle
+2. **Add Node**: Click "Add Node" button
+3. **Move Node**: Drag nodes to reposition
+4. **Connect Nodes**: Click "Connect Nodes", then click source and target
+5. **Delete Node/Edge**: Select and click delete
+6. **Undo/Redo**: Use undo/redo buttons
+7. **Save**: Click "Save Changes" when done
+
+#### Exporting
+- **PNG**: Export as high-resolution image
+- **SVG**: Export as vector graphic
+
+### Compliance Mapping
+
+#### Viewing Compliance
+- Geographic map shows compliance status by country
+- Table view provides detailed information
+- Filter by region, search by country/framework
+
+#### Editing Compliance
+1. Enable edit mode
+2. Click "Edit" on any requirement
+3. Update frameworks, status, requirements
+4. Save changes
+
+#### Bulk Operations
+1. Enable edit mode
+2. Select items using checkboxes
+3. Use bulk actions toolbar
+4. Confirm deletion
+
+### Deployment Timeline
+
+#### Viewing Timeline
+- Gantt chart shows milestone schedule
+- List view provides detailed information
+- Filter by region, entity, status
+
+#### Editing Milestones
+1. Enable edit mode
+2. Click "Add Milestone" or "Edit" on existing
+3. Fill in details, dates, dependencies
+4. Save changes
+
+#### Drag and Drop
+- In edit mode, drag milestones to reschedule
+- Dates automatically update based on position
+- Changes save automatically
+
+### Cost Estimates
+
+#### Viewing Costs
+- Charts show cost breakdown by region/category
+- Table provides detailed estimates
+- Forecast shows projected costs
+
+#### Editing Costs
+1. Enable edit mode
+2. Click "Edit" on any estimate
+3. Update monthly/annual costs
+4. Breakdown auto-calculates
+
+## Advanced Features
+
+### Global Search
+
+Press `Ctrl/Cmd + F` or click the search button to search across:
+- Countries
+- Topologies
+- Compliance requirements
+- Milestones
+- Cost estimates
+
+### Advanced Filters
+
+1. Click "Advanced Filters"
+2. Select multiple values for multi-select filters
+3. Set date ranges
+4. Set cost ranges
+5. Save as preset for reuse
+
+### Export Options
+
+- **Topology**: PNG, SVG
+- **Timeline**: PDF
+- **Costs**: Excel (multi-sheet)
+- **Compliance**: CSV (via audit log)
+
+### Backup and Restore
+
+1. Navigate to settings
+2. Click "Create Backup"
+3. Backups are timestamped
+4. Restore from backup list
+
+### Version History
+
+1. Open any entity in edit mode
+2. Click "Version History"
+3. View all changes over time
+4. Compare versions
+5. Restore previous version
+
+### Audit Log
+
+View all operations and changes:
+- Filter by action type
+- Filter by entity type
+- Search by name/ID
+- Export to CSV
+
+## Mobile Usage
+
+- Sidebar collapses on mobile
+- Touch-friendly controls
+- Responsive tables and charts
+- Swipe gestures for navigation
+
+## Accessibility
+
+- Keyboard navigation throughout
+- Screen reader support
+- High contrast mode
+- Focus indicators
+- Skip links
+
+## Troubleshooting
+
+### Data Not Loading
+- Check network connection
+- Refresh the page
+- Clear browser cache
+
+### Changes Not Saving
+- Ensure edit mode is enabled
+- Check for validation errors
+- Verify network connection
+
+### Export Failing
+- Ensure data is loaded
+- Check browser permissions
+- Try different export format
+
+## Support
+
+For issues or questions, contact the infrastructure team.
+