api/                        # Cloudflare Workers API
  src/
    index.ts                # Workers entry point (Hono app)
    env.ts                  # Shared Env/Variables/AppContext types
    config/
      pricing.ts            # Provider pricing & keyword detection
      sustainability.ts     # Energy/water/CO2 constants per provider
    middleware/
      cors.ts
      content-type.ts
      logging.ts
      request-id.ts
      error-handler.ts
      rate-limit.ts         # KV-based scan rate limiting
    models/
      types.ts              # TypeScript domain types
    routes/
      health.ts             # GET /health
      projects.ts           # Projects, scans, endpoints, suggestions, graph, cost, sustainability
      providers.ts          # GET /providers
      chat.ts               # POST /chat (Cloudflare AI / Llama 3.1 8B)
    services/
      analysis-service.ts   # Core analysis engine (pure, sync)
      project-service.ts    # All CRUD via D1 (async)
      provider-service.ts   # Provider config lookups
      validation-service.ts # Input validation
    utils/
      app-error.ts
      pagination.ts
      sort.ts
  migrations/
    0001_schema.sql         # D1 table definitions
    0002_seed.sql           # Demo project seed data
  wrangler.toml
  package.json
  tsconfig.json
dashboard/                  # React SPA (Cloudflare Pages / local extension server)
  src/
    App.tsx                 # Root component with routing
    theme-context.tsx       # Theme state provider
    themes.ts               # Theme definitions
    components/
      Select.tsx
      animated-tree.tsx
      particles.tsx
    layout/
      Layout.tsx
    lib/
      api.ts                # REST client (VITE_API_URL or same-origin for local mode)
      queries.ts            # TanStack Query hooks
      types.ts              # TypeScript types matching API responses
    pages/
      Dashboard.tsx         # Overview/summary
      Endpoints.tsx         # Endpoint analysis with filtering
      Graph.tsx             # D3 network graph (cluster by provider/file/cost)
      Suggestions.tsx       # Optimization recommendations
    styles/
      index.css
      tailwind.css
      theme.css
      fonts.css
  vite.config.ts
  package.json
extension/                  # VSCode extension
  src/
    extension.ts            # Extension entry point
    api-client.ts           # HTTP client for backend
    local-server.ts         # Embedded HTTP server serving dashboard + local API
    webview-provider.ts     # Sidebar webview provider
    messages.ts             # Message types for extension ↔ webview IPC
    analysis/
      types.ts              # Analysis type definitions
    chat/
      prompts.ts            # AI prompt templates
    scanner/
      patterns.ts           # API call detection regex patterns
      workspace-scanner.ts  # Workspace file scanner
  webview/                  # React sidebar UI
    src/
      App.tsx
      types.ts
      vscode.ts             # VSCode API bridge
      components/
        LandingPage.tsx
        ScanningPage.tsx
        ResultsPage.tsx
        ChatPage.tsx
        Markdown.tsx
        LeafIcon.tsx
      styles/
        index.css
  dashboard-dist/           # Built dashboard (generated by npm run build:dashboard)
  eco-api-analyzer-0.1.0.vsix
scripts/
  install-dashboard.sh      # Install dashboard npm dependencies
  start-extension.sh        # Full extension dev setup (install + build + open VSCode)