FRONTEND_SCAFFOLD_RESULT.md

Frontend Scaffold Result — Milestone 3

Date: 2026-05-19
Branch: main
Result: Complete — all verification commands pass.

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1. Framework and Tool Versions

Tool	Version
Node.js	v24.14.1
npm	11.12.1
Vite	8.0.13
React	19.2.6
TypeScript	~6.0.2
react-router-dom	7.15.1
@tanstack/react-query	5.100.11
tailwindcss	4.3.0
@tailwindcss/vite	4.3.0 (Tailwind v4 Vite plugin)
@radix-ui/react-tabs	1.1.13
@radix-ui/react-dialog	1.1.15
@radix-ui/react-dropdown-menu	2.1.16

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2. Packages Added

Runtime dependencies

Package	Purpose
react, react-dom	UI library
react-router-dom	Client-side routing (all 17 routes)
@tanstack/react-query	Server state management (wired up, no real calls yet)
tailwindcss, @tailwindcss/vite	Utility CSS (Tailwind v4 via Vite plugin)
@radix-ui/react-tabs	Accessible tab primitive
@radix-ui/react-dialog	Accessible dialog primitive
@radix-ui/react-dropdown-menu	Accessible dropdown primitive

Dev dependencies (added by Vite template)

typescript, @types/react, @types/react-dom, @vitejs/plugin-react, eslint, eslint-plugin-react-hooks, eslint-plugin-react-refresh, typescript-eslint, globals

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3. Directory Structure Created

frontend/
├── package.json
├── tsconfig.json
├── tsconfig.app.json        ← strict: true added
├── tsconfig.node.json
├── vite.config.ts           ← tailwindcss() plugin added
├── dist/                    ← production build output
└── src/
    ├── index.css            ← Tailwind @import + dark theme CSS vars
    ├── main.tsx             ← entry: StrictMode + QueryClientProvider
    ├── App.tsx              ← createBrowserRouter, 17 routes
    ├── routes/
    │   └── routeConfig.ts   ← typed RouteConfig[] with all 17 entries
    ├── pages/               ← 17 stub page components
    │   ├── DashboardPage.tsx
    │   ├── InstallPage.tsx
    │   ├── LibraryPage.tsx
    │   ├── BrowsePage.tsx
    │   ├── BackupsPage.tsx
    │   ├── ConfigPage.tsx
    │   ├── DiagnosticsPage.tsx
    │   ├── HistoryPage.tsx
    │   ├── ProfilesPage.tsx
    │   ├── SettingsPage.tsx
    │   ├── LogsPage.tsx
    │   ├── SafeModePage.tsx
    │   ├── DevDiagnosticsPage.tsx
    │   ├── OivPage.tsx
    │   ├── CleanupPage.tsx
    │   ├── PatrolReadinessPage.tsx
    │   └── SetupWizardPage.tsx
    ├── components/
    │   ├── layout/
    │   │   ├── AppLayout.tsx    ← Sidebar + Outlet
    │   │   └── Sidebar.tsx      ← NavLink-based nav for 16 routes (excludes /setup)
    │   └── ui/
    │       └── StubPage.tsx     ← shared stub component (label, path, sourceView, "Not migrated yet")
    └── lib/
        ├── queryClient.ts       ← QueryClient singleton (staleTime: 10s, retry: 1)
        └── api/
            └── client.ts        ← typed fetch wrapper (get/post/put/delete); no real calls yet

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4. Route List Created

Route	Label	WPF Source View
/	Dashboard	DashboardView
/install	Install	InstallView
/library	Library	LibraryView
/browse	Browse	BrowseView
/backups	Backups	BackupsView
/config	Config	ConfigView
/diagnostics	Diagnostics	DiagnosticsView
/history	History	HistoryView
/profiles	Profiles	ProfilesView
/settings	Settings	SettingsView
/logs	Log Viewer	LogViewerView
/safe-mode	Safe Mode	SafeModeView
/dev-diagnostics	Dev Diagnostics	DevDiagnosticsView
/oiv	OIV Creator	OivView
/cleanup	Cleanup	CleanupView
/patrol-readiness	Patrol Readiness	PatrolReadinessDashboardView
/setup	Setup Wizard	SetupWizardView

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5. Stub Screens Created

All 17 stub pages render identically via StubPage:

• Screen label (heading)
• Route path (/route)
• WPF source view name
• "Not migrated yet" badge

/setup is excluded from the sidebar nav (wizard flow, not a regular nav item).

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6. Scripts Added to package.json

Script	Command
dev	vite
build	tsc -b && vite build
typecheck	tsc -b
lint	eslint .
preview	vite preview

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7. Commands Run and Results

Command	Result
npm install (in frontend/)	Pass — 214 packages, 0 vulnerabilities
npm run typecheck	Pass — 0 TypeScript errors
npm run lint	Pass — 0 lint errors
npm run build	Pass — dist/ produced (315 kB JS, 6.6 kB CSS)
dotnet build LSPDFRManager.sln	Pass — 0 errors, 11 pre-existing warnings
dotnet test	Pass — 914/914

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8. Deviations from Migration Plan

Item	Plan	Actual	Reason
Tailwind setup	tailwindcss CSS plugin	@tailwindcss/vite Vite plugin	Tailwind v4 uses Vite plugin instead of PostCSS; compatible and simpler
ApiError constructor	Parameter properties	Explicit field + assignment	TypeScript erasableSyntaxOnly: true disallows constructor parameter properties
/setup in nav	Not specified	Excluded from sidebar	Setup wizard is a first-launch flow, not a regular navigation destination

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9. Remaining Frontend Setup Work

• Vite proxy config for LocalApi (needed in Milestone 4)
• Per-feature API client modules in lib/api/ (one per feature area, Milestones 5–13)
• TypeScript DTO types in src/types/ matching C# DTOs (Milestones 5+)
• React DevTools / TanStack Query DevTools (optional, add in dev mode)
• 404 / not-found route
• Error boundary at app level
• frontend/.gitignore already present from Vite scaffold (covers dist/, node_modules/)

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10. How This Prepares the App for the React UI Migration

• All 17 routes are registered and navigable immediately; any stub can be replaced with a real screen without changing routing or layout.
• routeConfig.ts provides a typed map from route path → WPF source → migration status; future milestones update status field from 'stub' to 'in-progress' or 'complete'.
• queryClient.ts is wired at the app root; any page can call useQuery or useMutation without additional setup.
• lib/api/client.ts provides typed get/post/put/delete helpers; feature API modules plug in by calling these helpers with /api/v1/... paths once LocalApi is live.
• Tailwind v4 is configured via Vite plugin; no tailwind.config.js needed; CSS custom properties define the navy/blue color scheme matching the WPF dark theme.
• dist/ is ready to be embedded in LSPDFRManager.LocalApi/wwwroot/ and served as static files in Milestone 4.