Initial Phoenix Sankofa Cloud setup

- Complete project structure with Next.js frontend
- GraphQL API backend with Apollo Server
- Portal application with NextAuth
- Crossplane Proxmox provider
- GitOps configurations
- CI/CD pipelines
- Testing infrastructure (Vitest, Jest, Go tests)
- Error handling and monitoring
- Security hardening
- UI component library
- Documentation

src/lib/utils.test.ts

@@ -0,0 +1,22 @@
+import { describe, it, expect } from 'vitest'
+import { cn } from './utils'
+
+describe('cn utility', () => {
+  it('should merge class names', () => {
+    expect(cn('foo', 'bar')).toBe('foo bar')
+  })
+
+  it('should handle conditional classes', () => {
+    expect(cn('foo', false && 'bar', 'baz')).toBe('foo baz')
+  })
+
+  it('should merge Tailwind classes correctly', () => {
+    expect(cn('p-4 p-2')).toBe('p-2')
+  })
+
+  it('should handle empty inputs', () => {
+    expect(cn()).toBe('')
+    expect(cn('')).toBe('')
+  })
+})
+