# Infrastructure Documentation Dashboard - Comprehensive Enhancement Recommendations

## Executive Summary

This document provides a complete list of all recommendations, suggestions, and improvements for the Infrastructure Documentation Dashboard. It covers gaps, placeholders, missing functionality, and enhancements across 28 major categories.

---

## Table of Contents

1. [Export Functionality](#1-export-functionality)
2. [Map Visualization](#2-map-visualization)
3. [React Flow Integration](#3-react-flow-integration)
4. [Edit Mode Implementation](#4-edit-mode-implementation)
5. [Data Serving](#5-data-serving)
6. [GraphQL Enhancements](#6-graphql-enhancements)
7. [Data Validation](#7-data-validation)
8. [Real-time Updates](#8-real-time-updates)
9. [Data Management](#9-data-management)
10. [Advanced Features](#10-advanced-features)
11. [Search and Discovery](#11-search-and-discovery)
12. [Collaboration](#12-collaboration)
13. [Notifications](#13-notifications)
14. [Analytics](#14-analytics)
15. [Performance](#15-performance)
16. [Security](#16-security)
17. [Mobile](#17-mobile)
18. [Internationalization](#18-internationalization)
19. [Testing](#19-testing)
20. [Documentation](#20-documentation)
21. [UI Components](#21-ui-components)
22. [Data Quality](#22-data-quality)
23. [Monitoring](#23-monitoring)
24. [UX Enhancements](#24-ux-enhancements)
25. [Accessibility](#25-accessibility)
26. [Error Handling](#26-error-handling)
27. [Type Safety](#27-type-safety)
28. [Architecture Improvements](#28-architecture-improvements)

---

## 1. Export Functionality

### 1.1 Topology Exports

**Current State:** Placeholder functions with console.log

**Recommendations:**
- **PNG Export**: Implement using `html2canvas`
  - Capture entire topology diagram
  - Include legends and metadata
  - High-resolution export option
  - Background color options
- **SVG Export**: Extract and download SVG
  - Preserve vector quality
  - Include all styling
  - Embed fonts if needed
  - Optimize SVG size
- **PDF Export**: Multi-page PDF for large topologies
  - Include overview page
  - Regional breakdown pages
  - Metadata and notes page

**Files to Modify:**
- `src/components/infrastructure/NetworkTopologyDocs.tsx`

**Dependencies:**
```json
"html2canvas": "^1.4.1"
```

### 1.2 Timeline PDF Export

**Current State:** TODO comment

**Recommendations:**
- Generate comprehensive PDF with:
  - Gantt chart visualization
  - Milestone list table
  - Dependency graph
  - Cost breakdown
  - Current filters applied
  - Export metadata (date, user, filters)
- Support multiple page sizes (A4, Letter)
- Include page numbers and headers/footers
- Option to include/exclude completed milestones

**Files to Modify:**
- `src/components/infrastructure/DeploymentTimeline.tsx`

**Dependencies:**
```json
"jspdf": "^2.5.1",
"html2canvas": "^1.4.1"
```

### 1.3 Cost Estimates Excel Export

**Current State:** TODO comment

**Recommendations:**
- Create multi-sheet workbook:
  - Summary sheet with totals
  - Detailed breakdown by region
  - Breakdown by category
  - Charts data (for Excel charts)
  - Metadata sheet
- Format cells properly:
  - Currency formatting
  - Number formatting
  - Date formatting
  - Conditional formatting for highlights
- Include charts in Excel
- Support .xlsx and .csv formats

**Files to Modify:**
- `src/components/infrastructure/CostEstimates.tsx`

**Dependencies:**
```json
"xlsx": "^0.18.5"
```

### 1.4 Compliance CSV Export

**Current State:** Implemented but can be enhanced

**Recommendations:**
- Add export options:
  - Include/exclude columns
  - Filter applied data only
  - All data export
- Add metadata row
- Support multiple formats (CSV, TSV, Excel)
- Include compliance framework details

---

## 2. Map Visualization

### 2.1 Mapbox Integration

**Current State:** Placeholder div with text

**Recommendations:**
- Install and configure Mapbox GL
- Create `ComplianceMapView.tsx` component
- Features to implement:
  - **Country Markers**: Color-coded by compliance status
    - Green: Compliant
    - Yellow: Partial
    - Blue: Pending
    - Red: Non-Compliant
  - **Popup Tooltips**: Show compliance details on click
  - **Clustering**: Group nearby countries
  - **Layer Controls**: Toggle by framework/status
  - **Search**: Find and zoom to country
  - **Legend**: Status color guide
  - **Filter Integration**: Sync with table filters
- Add map controls:
  - Zoom in/out
  - Reset view
  - Fullscreen mode
  - Export map as image

**Files to Create:**
- `src/components/infrastructure/ComplianceMapView.tsx`

**Files to Modify:**
- `src/components/infrastructure/ComplianceMapping.tsx`

**Dependencies:**
```json
"mapbox-gl": "^3.0.0",
"react-map-gl": "^7.1.0"
```

**Environment Variables:**
```env
NEXT_PUBLIC_MAPBOX_TOKEN=your_token_here
```

### 2.2 Alternative: Leaflet Integration

**Consideration:** If Mapbox is not preferred, use Leaflet
- Open source alternative
- No API key required
- Lighter weight
- Less features out of the box

**Dependencies:**
```json
"leaflet": "^1.9.4",
"react-leaflet": "^4.2.1"
```

---

## 3. React Flow Integration

### 3.1 Replace SVG Implementation

**Current State:** Basic SVG-based visualization

**Recommendations:**
- Replace with React Flow for:
  - Better interactivity
  - Built-in zoom/pan
  - Node/edge editing
  - Better performance
  - Professional appearance
- Create custom node components:
  - `RegionNode.tsx`
  - `DatacenterNode.tsx`
  - `TunnelNode.tsx`
  - `VMNode.tsx`
  - `ServiceNode.tsx`
- Create custom edge components:
  - Animated edges for active connections
  - Labels showing bandwidth/type
  - Different styles for different edge types
- Add React Flow features:
  - Minimap
  - Controls panel
  - Background grid
  - Node search and highlight
  - Fit view functionality
  - Export to PNG/SVG (React Flow built-in)

**Files to Create:**
- `src/components/infrastructure/topology/ReactFlowTopology.tsx`
- `src/components/infrastructure/topology/nodes/RegionNode.tsx`
- `src/components/infrastructure/topology/nodes/DatacenterNode.tsx`
- `src/components/infrastructure/topology/nodes/TunnelNode.tsx`
- `src/components/infrastructure/topology/nodes/VMNode.tsx`
- `src/components/infrastructure/topology/nodes/ServiceNode.tsx`
- `src/components/infrastructure/topology/edges/CustomEdge.tsx`

**Files to Modify:**
- `src/components/infrastructure/NetworkTopologyDocs.tsx`

**Dependencies:**
- `reactflow` (already installed)

### 3.2 Topology Layout Algorithms

**Recommendations:**
- Implement automatic layout options:
  - Hierarchical (top-down)
  - Force-directed
  - Circular
  - Grid
- Allow manual positioning override
- Save layout preferences

---

## 4. Edit Mode Implementation

### 4.1 Edit Forms

**Current State:** Edit buttons exist but no forms

**Recommendations:**

#### 4.1.1 Compliance Edit Form
**File:** `src/components/infrastructure/forms/EditComplianceForm.tsx`
- Form fields:
  - Country (read-only)
  - Region (read-only)
  - Frameworks (multi-select)
  - Status (dropdown)
  - Requirements (multi-line text, one per line)
  - Last Audit Date (date picker)
  - Notes (textarea)
- Validation:
  - At least one framework required
  - Valid date format
  - Requirements not empty if status is Compliant
- Integration:
  - Use `useUpdateComplianceRequirement` hook
  - Show loading state
  - Success/error toasts
  - Close dialog on success

#### 4.1.2 Milestone Edit Form
**File:** `src/components/infrastructure/forms/EditMilestoneForm.tsx`
- Form fields:
  - Title (text)
  - Region (select)
  - Entity (select)
  - Priority (select)
  - Start Date (date picker)
  - End Date (date picker)
  - Status (select)
  - Dependencies (multi-select of other milestones)
  - Cost (number, currency)
  - Description (textarea)
- Validation:
  - End date after start date
  - No circular dependencies
  - Required fields
  - Cost >= 0
- Integration:
  - Use `useCreateDeploymentMilestone` or `useUpdateDeploymentMilestone`
  - Validate dependencies
  - Show dependency graph preview

#### 4.1.3 Cost Estimate Edit Form
**File:** `src/components/infrastructure/forms/EditCostEstimateForm.tsx`
- Form fields:
  - Region (read-only)
  - Entity (read-only)
  - Category (read-only)
  - Monthly Cost (number)
  - Annual Cost (auto-calculated or manual)
  - Breakdown:
    - Compute
    - Storage
    - Network
    - Licenses
    - Personnel
  - Currency (select)
- Validation:
  - Monthly * 12 = Annual (or allow override)
  - All breakdown values >= 0
  - Breakdown sum = Monthly
- Integration:
  - Use `useUpdateCostEstimate` hook
  - Auto-calculate annual from monthly

#### 4.1.4 Topology Node Edit Form
**File:** `src/components/infrastructure/forms/EditTopologyNodeForm.tsx`
- Form fields:
  - Label (text)
  - Type (select, read-only in edit)
  - Region (select)
  - Entity (select)
  - Position X/Y (number, for manual adjustment)
  - Metadata (JSON editor or key-value pairs)
- Validation:
  - Valid coordinates
  - Unique label within topology
  - Valid metadata JSON
- Integration:
  - Use `updateNetworkTopology` mutation
  - Update node in topology

**Common Form Patterns:**
- Use `react-hook-form` with Zod validation
- Use shadcn/ui Dialog component
- Use existing Form components from `src/components/ui/form.tsx`
- Follow existing validation patterns from `src/lib/validation/schemas.ts`

### 4.2 Topology Edit Mode Features

**Recommendations:**
- **Node Operations:**
  - Drag nodes to reposition
  - Double-click to edit
  - Right-click context menu (edit, delete, duplicate)
  - Add node button with type selector
  - Delete node (with confirmation)
- **Edge Operations:**
  - Click source node, then target to create edge
  - Click edge to select
  - Delete edge (with confirmation)
  - Edit edge properties (type, metadata)
- **Bulk Operations:**
  - Select multiple nodes
  - Move selected nodes together
  - Delete selected nodes
  - Copy/paste nodes
- **Undo/Redo:**
  - Implement command pattern
  - Store action history
  - Keyboard shortcuts (Ctrl+Z, Ctrl+Y)
  - Show undo/redo buttons

**Files to Create:**
- `src/components/infrastructure/topology/TopologyEditor.tsx`
- `src/hooks/useTopologyHistory.ts` (undo/redo)

### 4.3 Timeline Drag-and-Drop

**Recommendations:**
- Use `@dnd-kit` (already installed)
- Features:
  - Drag milestone bars to change dates
  - Resize bars to change duration
  - Drag to change priority order
  - Visual feedback during drag
  - Snap to grid (weekly/monthly)
- Validation:
  - Prevent overlapping dates
  - Maintain dependencies
  - Warn about breaking dependencies
- Auto-save on drop
- Show loading state during save

**Files to Modify:**
- `src/components/infrastructure/DeploymentTimeline.tsx`

---

## 5. Data Serving

### 5.1 Next.js API Routes

**Current State:** Data loaded directly from public directory

**Recommendations:**
- Create API route: `src/app/api/infrastructure/data/[filename]/route.ts`
- Features:
  - Serve JSON files from `docs/infrastructure/data/`
  - Add proper Content-Type headers
  - Implement caching (ETag, Last-Modified)
  - Support CORS if needed
  - Error handling for missing files
  - Rate limiting
  - Authentication (optional)
- Response format:
  ```json
  {
    "data": [...],
    "metadata": {
      "lastModified": "2025-01-09T...",
      "version": "1.0"
    }
  }
  ```

**Files to Create:**
- `src/app/api/infrastructure/data/[filename]/route.ts`

**Files to Modify:**
- `src/lib/hooks/useInfrastructureData.ts`

### 5.2 Data Loading Enhancements

**Recommendations:**
- Implement React Query for:
  - Automatic caching
  - Background refetching
  - Stale-while-revalidate
  - Error retry logic
- Add loading states:
  - Skeleton loaders
  - Progressive loading
  - Partial data display
- Error handling:
  - Retry with exponential backoff
  - Fallback to cached data
  - User-friendly error messages
  - Error boundaries

**Files to Modify:**
- `src/lib/hooks/useInfrastructureData.ts`

---

## 6. GraphQL Enhancements

### 6.1 Subscriptions for Real-time Updates

**Recommendations:**
- Add GraphQL subscriptions:
  - `topologyUpdated` - When topology changes
  - `milestoneUpdated` - When milestone changes
  - `complianceUpdated` - When compliance changes
  - `costEstimateUpdated` - When cost changes
- Use WebSocket connection
- Implement in Apollo Client
- Show real-time indicators
- Handle connection loss gracefully

**Files to Create:**
- `api/src/schema/subscriptions.ts` (extend)
- `src/lib/graphql/subscriptions/infrastructure.ts`

**Files to Modify:**
- `api/src/schema/typeDefs.ts`
- `api/src/resolvers/infrastructure.ts`
- `src/lib/graphql/client.ts`

### 6.2 Query Optimizations

**Recommendations:**
- Add field-level resolvers for computed fields
- Implement DataLoader for batch loading
- Add query complexity analysis
- Implement query result caching
- Add query batching

### 6.3 Mutation Enhancements

**Recommendations:**
- Add input validation in resolvers
- Return detailed error information
- Support partial updates
- Add transaction support for multi-step operations
- Implement optimistic responses

**Files to Modify:**
- `api/src/resolvers/infrastructure.ts`

---

## 7. Data Validation

### 7.1 Zod Schemas

**Recommendations:**
- Create comprehensive validation schemas
- File: `src/lib/validation/schemas/infrastructure.ts`
- Schemas needed:
  - `countrySchema`
  - `topologyNodeSchema`
  - `topologyEdgeSchema`
  - `networkTopologySchema`
  - `complianceRequirementSchema`
  - `deploymentMilestoneSchema`
  - `costEstimateSchema`
  - `updateTopologyInputSchema`
  - `createMilestoneInputSchema`
  - `updateMilestoneInputSchema`
  - `updateComplianceInputSchema`
  - `updateCostEstimateInputSchema`

**Validation Rules:**
- Date ranges (start < end)
- Positive numbers for costs
- No circular dependencies
- Valid coordinates (lat: -90 to 90, lng: -180 to 180)
- Required fields
- Enum values
- String length limits
- Email formats where applicable

**Files to Create:**
- `src/lib/validation/schemas/infrastructure.ts`

**Files to Modify:**
- `api/src/resolvers/infrastructure.ts` (add validation)
- All form components (use schemas)

### 7.2 Resolver Validation

**Recommendations:**
- Validate all mutation inputs
- Return structured validation errors
- Validate business rules:
  - No duplicate milestones
  - Valid dependency chains
  - Cost breakdown sums correctly
  - Topology node IDs are unique

---

## 8. Real-time Updates

### 8.1 GraphQL Subscriptions

**Implementation Details:**
- Use `graphql-ws` (already installed)
- Set up WebSocket server
- Create subscription resolvers
- Handle reconnection
- Show connection status indicator

### 8.2 Optimistic Updates

**Recommendations:**
- Configure Apollo Client optimistic responses
- Update UI immediately
- Rollback on error
- Show pending indicators
- Queue mutations when offline

**Files to Modify:**
- `src/lib/graphql/hooks/useInfrastructure.ts`

---

## 9. Data Management

### 9.1 Data Versioning

**Recommendations:**
- Track all changes with:
  - Timestamp
  - User ID
  - Change type (create/update/delete)
  - Previous value
  - New value
- Store in version history
- Implement undo/redo
- Show change history in UI

**Files to Create:**
- `api/src/services/version-control.ts`
- `src/components/infrastructure/VersionHistory.tsx`

### 9.2 Audit Logging

**Recommendations:**
- Log all operations:
  - Who made the change
  - When it was made
  - What was changed
  - Why (if provided)
- Create audit log viewer
- Support filtering and search
- Export audit logs

**Files to Create:**
- `api/src/services/audit-log.ts`
- `src/components/infrastructure/AuditLogViewer.tsx`
- Database table: `audit_logs`

### 9.3 Backup and Restore

**Recommendations:**
- Automated daily backups
- Manual backup trigger
- Backup verification
- Restore functionality
- Backup retention policy
- Backup location configuration

**Files to Create:**
- `scripts/infrastructure/backup-data.sh`
- `scripts/infrastructure/restore-data.sh`
- `src/app/api/infrastructure/backup/route.ts`
- `src/app/api/infrastructure/restore/route.ts`

### 9.4 Data Import

**Recommendations:**
- CSV import for compliance
- JSON import for topology
- Excel import for costs
- Validation before import
- Preview changes
- Conflict resolution
- Import history

**Files to Create:**
- `src/components/infrastructure/DataImportDialog.tsx`
- `src/app/api/infrastructure/import/route.ts`
- `src/lib/utils/data-import.ts`

---

## 10. Advanced Features

### 10.1 Multi-Topology Management

**Recommendations:**
- Topology selector dropdown
- Switch between topologies
- Compare topologies side-by-side
- Merge topologies
- Copy topology
- Delete topology (with confirmation)

**Files to Modify:**
- `src/components/infrastructure/NetworkTopologyDocs.tsx`

### 10.2 Topology Templates

**Recommendations:**
- Pre-built templates:
  - Standard regional topology
  - Multi-region topology
  - Cloud-native topology
- Template library UI
- Apply template to new topology
- Save custom templates
- Share templates

**Files to Create:**
- `src/components/infrastructure/TopologyTemplates.tsx`
- `docs/infrastructure/data/topology-templates.json`

### 10.3 Cost Forecasting

**Recommendations:**
- Project future costs based on:
  - Historical trends
  - Growth rates
  - Planned milestones
- Multiple scenarios:
  - Optimistic
  - Realistic
  - Pessimistic
- Confidence intervals
- Visualize forecast vs actual
- Alert on forecast deviations

**Files to Create:**
- `src/components/infrastructure/CostForecast.tsx`
- `src/lib/utils/cost-forecasting.ts`

### 10.4 Compliance Gap Analysis

**Recommendations:**
- Identify missing requirements
- Compare across countries
- Generate gap reports
- Track compliance progress
- Set compliance goals
- Alert on gaps

**Files to Create:**
- `src/components/infrastructure/ComplianceGapAnalysis.tsx`

### 10.5 Milestone Dependency Visualization

**Recommendations:**
- Dependency graph view
- Show critical path
- Identify blocking milestones
- Auto-calculate dates
- Warn about circular dependencies
- Visualize dependency chains

**Files to Create:**
- `src/components/infrastructure/MilestoneDependencyGraph.tsx`

### 10.6 Comparison Views

**Recommendations:**
- Compare two topologies
- Compare costs across regions
- Compare compliance across countries
- Historical comparison
- Highlight differences
- Side-by-side view

**Files to Create:**
- `src/components/infrastructure/TopologyDiffView.tsx`
- `src/components/infrastructure/CostComparison.tsx`

---

## 11. Search and Discovery

### 11.1 Global Search

**Recommendations:**
- Search across all data types
- Full-text search
- Filter by type
- Autocomplete suggestions
- Search history
- Recent searches
- Saved searches

**Files to Create:**
- `src/components/infrastructure/GlobalSearch.tsx`
- `src/app/api/infrastructure/search/route.ts`

### 11.2 Advanced Filtering

**Recommendations:**
- Multi-select filters
- Date range pickers
- Cost range sliders
- Saved filter presets
- Filter combinations (AND/OR)
- URL query parameter sync
- Export filtered results

**Files to Modify:**
- All component files

### 11.3 Quick Actions

**Recommendations:**
- Command palette (Cmd/Ctrl+K)
- Quick navigation
- Quick create actions
- Recent items
- Keyboard shortcuts

**Files to Create:**
- `src/components/infrastructure/CommandPalette.tsx`

---

## 12. Collaboration

### 12.1 Comments and Annotations

**Recommendations:**
- Add comments to milestones
- Annotate topology nodes
- Comment on compliance
- @mention users
- Threaded discussions
- Mark as resolved

**Files to Create:**
- `src/components/infrastructure/CommentsPanel.tsx`
- GraphQL types for comments

### 12.2 Sharing

**Recommendations:**
- Share views with filters
- Generate shareable links
- Role-based permissions
- View-only vs edit
- Expiring links
- Share via email

**Files to Create:**
- `src/components/infrastructure/ShareDialog.tsx`

### 12.3 Activity Feed

**Recommendations:**
- Show recent changes
- Filter by user/type/date
- Real-time updates
- Link to related items
- Activity notifications

**Files to Create:**
- `src/components/infrastructure/ActivityFeed.tsx`

---

## 13. Notifications

### 13.1 Notification System

**Recommendations:**
- Milestone deadline reminders
- Compliance audit due alerts
- Cost threshold alerts
- Status change notifications
- Email/SMS integration (optional)
- Notification preferences

**Files to Create:**
- `src/components/infrastructure/NotificationsPanel.tsx`
- `api/src/services/notifications.ts`

### 13.2 Alert Rules

**Recommendations:**
- Configure custom alerts
- Set thresholds
- Choose channels
- Alert history
- Alert testing

**Files to Create:**
- `src/components/infrastructure/AlertRulesDialog.tsx`

---

## 14. Analytics

### 14.1 Dashboard Analytics

**Recommendations:**
- Add analytics widgets
- Trend charts
- Progress indicators
- KPI cards
- Customizable dashboard

**Files to Modify:**
- `src/components/infrastructure/DocsDashboard.tsx`

### 14.2 Custom Reports

**Recommendations:**
- Build custom reports
- Select data sources
- Choose visualizations
- Schedule reports
- Export reports

**Files to Create:**
- `src/components/infrastructure/ReportBuilder.tsx`

### 14.3 Data Insights

**Recommendations:**
- AI-powered insights
- Anomaly detection
- Cost optimization suggestions
- Compliance risk assessment
- Resource utilization trends

**Files to Create:**
- `src/components/infrastructure/InsightsPanel.tsx`

---

## 15. Performance

### 15.1 Virtualization

**Recommendations:**
- Virtual scrolling for tables
- Infinite scroll
- Pagination alternative
- Configurable page sizes

**Dependencies:**
```json
"@tanstack/react-virtual": "^3.0.0"
```

### 15.2 Caching

**Recommendations:**
- React Query caching
- Cache invalidation
- Stale-while-revalidate
- Cache persistence

### 15.3 Code Splitting

**Recommendations:**
- Lazy load heavy components
- Route-based splitting
- Dynamic imports

### 15.4 Database Migration (Future)

**Recommendations:**
- Move from JSON to PostgreSQL
- Proper schema design
- Indexes for performance
- Connection pooling

---

## 16. Security

### 16.1 Permissions

**Recommendations:**
- Authorization checks
- Role-based access
- Entity-level permissions
- Permission management UI

**Files to Modify:**
- `api/src/resolvers/infrastructure.ts`

### 16.2 Data Sanitization

**Recommendations:**
- Sanitize inputs
- Prevent XSS
- Validate uploads
- Rate limiting

### 16.3 Audit Trail

**Recommendations:**
- Log data access
- Track permission changes
- Monitor suspicious activity
- Compliance support

---

## 17. Mobile

### 17.1 Responsive Design

**Recommendations:**
- Mobile-optimized layouts
- Collapsible sidebars
- Touch-friendly controls
- Mobile navigation

### 17.2 Mobile Features

**Recommendations:**
- Swipe gestures
- Pull-to-refresh
- Mobile charts
- Simplified views

---

## 18. Internationalization

### 18.1 i18n Support

**Recommendations:**
- Translation keys
- Multiple languages
- Localize dates/numbers
- RTL support

---

## 19. Testing

### 19.1 Unit Tests

**Files to Create:**
- `src/components/infrastructure/__tests__/DocsDashboard.test.tsx`
- `src/lib/hooks/__tests__/useInfrastructureData.test.ts`
- `api/src/resolvers/__tests__/infrastructure.test.ts`

### 19.2 Integration Tests

**Files to Create:**
- `src/components/infrastructure/__tests__/integration.test.tsx`

### 19.3 E2E Tests

**Files to Create:**
- `e2e/infrastructure-docs.spec.ts`

### 19.4 Visual Regression

**Files to Create:**
- `tests/visual/infrastructure.spec.ts`

---

## 20. Documentation

### 20.1 Component Docs

**File:** `docs/infrastructure/COMPONENTS.md`

### 20.2 User Guide

**File:** `docs/infrastructure/USER_GUIDE.md`

### 20.3 API Docs

**File:** `docs/infrastructure/API.md`

---

## 21. UI Components

### 21.1 Missing Components

**Components to create/verify:**
- `src/components/ui/alert-dialog.tsx`
- `src/components/ui/date-picker.tsx`
- `src/components/ui/slider.tsx`
- `src/components/ui/command.tsx`
- `src/components/ui/popover.tsx`
- `src/components/ui/tabs.tsx`

### 21.2 Enhanced Components

**Recommendations:**
- Loading states on buttons
- Tooltips on icons
- Help text in forms
- Progress indicators

---

## 22. Data Quality

### 22.1 Validation

**Recommendations:**
- Date range validation
- Cost validation
- Dependency validation
- Coordinate validation

### 22.2 Consistency Checks

**Files to Create:**
- `scripts/infrastructure/validate-data.ts`

### 22.3 Data Cleanup

**Files to Create:**
- `scripts/infrastructure/cleanup-data.ts`

---

## 23. Monitoring

### 23.1 Error Tracking

**Recommendations:**
- Integrate Sentry
- Track component errors
- Track API errors
- User error reporting

### 23.2 Performance Monitoring

**Recommendations:**
- Track render times
- Monitor API times
- Track interactions
- Performance budgets

### 23.3 Usage Analytics

**Files to Create:**
- `src/lib/analytics/infrastructure.ts`

---

## 24. UX Enhancements

### 24.1 Loading States

**Recommendations:**
- Skeleton loaders (use existing `skeleton.tsx`)
- Progressive loading
- Partial data display

### 24.2 Empty States

**Recommendations:**
- Meaningful messages
- Action buttons
- Illustrations

### 24.3 Error Boundaries

**Files to Create:**
- `src/components/infrastructure/InfrastructureErrorBoundary.tsx`

### 24.4 Confirmation Dialogs

**Recommendations:**
- Use AlertDialog
- Show impact preview
- Destructive action confirmations

---

## 25. Accessibility

### 25.1 ARIA Labels

**Recommendations:**
- Proper labels
- Semantic HTML
- Role attributes
- Live regions

### 25.2 Keyboard Navigation

**Recommendations:**
- Keyboard accessible
- Focus indicators
- Tab order
- Skip links

### 25.3 Screen Reader Support

**Recommendations:**
- Alt text
- Aria-describedby
- Announce updates
- Text alternatives

---

## 26. Error Handling

### 26.1 Error Boundaries

**Files to Create:**
- `src/components/infrastructure/InfrastructureErrorBoundary.tsx`

### 26.2 Error Messages

**Recommendations:**
- User-friendly messages
- Actionable errors
- Error recovery
- Error logging

---

## 27. Type Safety

### 27.1 TypeScript Improvements

**Recommendations:**
- Strict type checking
- No `any` types
- Proper type inference
- Type guards

**Files to Modify:**
- `api/src/resolvers/infrastructure.ts` (remove `any` types)

---

## 28. Architecture Improvements

### 28.1 State Management

**Recommendations:**
- Consider Zustand for global state
- Local state for UI
- Server state with React Query
- Optimistic updates

### 28.2 Component Structure

**Recommendations:**
- Extract reusable components
- Separate concerns
- Composition over inheritance
- Consistent patterns

---

## Implementation Phases

### Phase 1 - Critical (Weeks 1-2)
1. Export functionality
2. Edit mode forms
3. Data serving API
4. React Flow integration
5. Validation schemas
6. Error boundaries

### Phase 2 - High Priority (Weeks 3-4)
7. Map visualization
8. Advanced filtering
9. Loading/empty states
10. Toast notifications
11. Data import
12. Permissions

### Phase 3 - Medium Priority (Weeks 5-6)
13. Real-time subscriptions
14. Audit logging
15. Cost forecasting
16. Compliance gap analysis
17. Dependency visualization
18. Global search

### Phase 4 - Enhanced Features (Weeks 7-8)
19. Collaboration
20. Notifications
21. Analytics
22. Multi-topology
23. Comparison views
24. Performance

### Phase 5 - Polish (Week 9+)
25. Keyboard shortcuts
26. Print
27. Mobile
28. i18n
29. Testing
30. Documentation

---

## Dependencies Summary

```json
{
  "dependencies": {
    "html2canvas": "^1.4.1",
    "jspdf": "^2.5.1",
    "xlsx": "^0.18.5",
    "mapbox-gl": "^3.0.0",
    "react-map-gl": "^7.1.0",
    "@tanstack/react-virtual": "^3.0.0"
  }
}
```

---

## Estimated Effort

- **Phase 1**: 80-120 hours
- **Phase 2**: 60-80 hours
- **Phase 3**: 80-100 hours
- **Phase 4**: 100-120 hours
- **Phase 5**: 60-80 hours

**Total**: 380-500 hours

---

## Success Metrics

- All placeholder functions implemented
- All TODO comments resolved
- 90%+ test coverage
- <2s page load time
- 100% accessibility score
- Zero critical bugs
- Complete documentation

