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

vitest.setup.ts

@@ -0,0 +1,51 @@
+import '@testing-library/jest-dom'
+import { expect, afterEach, vi } from 'vitest'
+import { cleanup } from '@testing-library/react'
+import * as matchers from '@testing-library/jest-dom/matchers'
+
+// Extend Vitest's expect with jest-dom matchers
+expect.extend(matchers)
+
+// Cleanup after each test
+afterEach(() => {
+  cleanup()
+})
+
+// Mock Next.js router
+vi.mock('next/navigation', () => ({
+  useRouter: () => ({
+    push: vi.fn(),
+    replace: vi.fn(),
+    prefetch: vi.fn(),
+    back: vi.fn(),
+  }),
+  useSearchParams: () => new URLSearchParams(),
+  usePathname: () => '/',
+}))
+
+// Mock window.matchMedia
+Object.defineProperty(window, 'matchMedia', {
+  writable: true,
+  value: vi.fn().mockImplementation((query) => ({
+    matches: false,
+    media: query,
+    onchange: null,
+    addListener: vi.fn(),
+    removeListener: vi.fn(),
+    addEventListener: vi.fn(),
+    removeEventListener: vi.fn(),
+    dispatchEvent: vi.fn(),
+  })),
+})
+
+// Mock IntersectionObserver
+global.IntersectionObserver = class IntersectionObserver {
+  constructor() {}
+  disconnect() {}
+  observe() {}
+  takeRecords() {
+    return []
+  }
+  unobserve() {}
+} as any
+