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/design-system.test.ts

@@ -0,0 +1,43 @@
+import { describe, it, expect } from 'vitest'
+import { getHealthScoreColor, getPillarColor, pillars } from './design-system'
+
+describe('Design System Utilities', () => {
+  describe('getHealthScoreColor', () => {
+    it('should return excellent color for scores >= 90', () => {
+      expect(getHealthScoreColor(90)).toBe('#00FF88')
+      expect(getHealthScoreColor(100)).toBe('#00FF88')
+    })
+
+    it('should return good color for scores >= 70', () => {
+      expect(getHealthScoreColor(70)).toBe('#FFB800')
+      expect(getHealthScoreColor(89)).toBe('#FFB800')
+    })
+
+    it('should return fair color for scores >= 50', () => {
+      expect(getHealthScoreColor(50)).toBe('#FF8C00')
+      expect(getHealthScoreColor(69)).toBe('#FF8C00')
+    })
+
+    it('should return poor color for scores < 50', () => {
+      expect(getHealthScoreColor(49)).toBe('#FF0040')
+      expect(getHealthScoreColor(0)).toBe('#FF0040')
+    })
+  })
+
+  describe('getPillarColor', () => {
+    it('should return correct color for each pillar', () => {
+      expect(getPillarColor('SECURITY')).toBe('#FF0040')
+      expect(getPillarColor('RELIABILITY')).toBe('#00FF88')
+      expect(getPillarColor('COST_OPTIMIZATION')).toBe('#00FFFF')
+      expect(getPillarColor('PERFORMANCE_EFFICIENCY')).toBe('#00FFD1')
+      expect(getPillarColor('OPERATIONAL_EXCELLENCE')).toBe('#FF00FF')
+      expect(getPillarColor('SUSTAINABILITY')).toBe('#00FF88')
+    })
+
+    it('should return default color for invalid pillar', () => {
+      // @ts-expect-error - testing invalid input
+      expect(getPillarColor('INVALID')).toBe('#00FFFF')
+    })
+  })
+})
+