feat: implement frontend with TDD (Part 8)

- Scaffold Vite + React 19 + TypeScript strict project
- Neumorphic dark design system (Tailwind v3, amber/orange LED accents)
- Zustand stores for auth (persist) and UI state (notifications, sidebar)
- TanStack Query v5 hooks for server CRUD operations
- WebSocket hook with reconnection backoff and query invalidation
- Components: StatusLed, Sidebar, ServerCard, LoginPage, DashboardPage
- Protected routing with auth guard
- Axios client with JWT interceptor and 401 redirect
- 68 tests across 11 test files (89% statement coverage, 90% function coverage)
- TDD workflow: RED validated, GREEN achieved, coverage verified

frontend/package.json

@@ -0,0 +1,51 @@
+{
+  "name": "frontend",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "lint": "eslint .",
+    "preview": "vite preview",
+    "test": "vitest run",
+    "test:watch": "vitest"
+  },
+  "dependencies": {
+    "@hookform/resolvers": "^5.2.2",
+    "@tanstack/react-query": "^5.99.0",
+    "@tanstack/react-query-devtools": "^5.99.0",
+    "axios": "^1.15.0",
+    "clsx": "^2.1.1",
+    "lucide-react": "^1.8.0",
+    "react": "^19.2.4",
+    "react-dom": "^19.2.4",
+    "react-hook-form": "^7.72.1",
+    "react-router-dom": "^7.14.1",
+    "zod": "^4.3.6",
+    "zustand": "^5.0.12"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.39.4",
+    "@testing-library/jest-dom": "^6.9.1",
+    "@testing-library/react": "^16.3.2",
+    "@testing-library/user-event": "^14.6.1",
+    "@types/node": "^24.12.2",
+    "@types/react": "^19.2.14",
+    "@types/react-dom": "^19.2.3",
+    "@vitejs/plugin-react": "^6.0.1",
+    "@vitest/coverage-v8": "^4.1.4",
+    "autoprefixer": "^10.5.0",
+    "eslint": "^9.39.4",
+    "eslint-plugin-react-hooks": "^7.0.1",
+    "eslint-plugin-react-refresh": "^0.5.2",
+    "globals": "^17.4.0",
+    "jsdom": "^29.0.2",
+    "postcss": "^8.5.10",
+    "tailwindcss": "^3.4.19",
+    "typescript": "~6.0.2",
+    "typescript-eslint": "^8.58.0",
+    "vite": "^8.0.4",
+    "vitest": "^4.1.4"
+  }
+}