✅ Add JWT authentication system with backend utilities, middleware, routes, frontend state management, router guards, and authentication tests

docs/projects/Pokedex.Online/PROGRESS.md

@@ -77,7 +77,17 @@ Last Updated: January 28, 2026
 - [ ] Replace loading/error in ChallongeTest.vue
 - [ ] Replace buttons across all components with BaseButton (future optimization)
 
-### 🔄 Step 9: JWT Authentication System
+### ✅ Step 9: JWT Authentication System
+- [x] Create backend JWT utilities (createToken, verifyToken, decodeToken, isTokenExpired)
+- [x] Create auth middleware (authMiddleware, requirePermission, requireAdmin)
+- [x] Create auth routes (/auth/login, /auth/verify, /auth/refresh, /auth/user, /auth/logout)
+- [x] Create frontend useAuth composable with full state management
+- [x] Create AdminLogin view with responsive design
+- [x] Add router guards for protected routes
+- [x] Write authentication tests (7 tests for useAuth, 5 tests for AdminLogin)
+- [x] Update api-client with dynamic header management
+
+### 🔄 Step 10-12: Feature Flags & Secure Configuration
 
 ## Phase 3-12: Pending
 
@@ -87,12 +97,14 @@ See [REFACTORING-PLAN.md](./REFACTORING-PLAN.md) for complete plan.
 
 ## Test Coverage
 
-**Current:** 79 tests passing  
+**Current:** 91 tests passing  
 **Files with tests:**
 - ✅ `src/composables/useAsyncState.js` (12 tests)
 - ✅ `src/utilities/api-client.js` (13 tests)
 - ✅ `src/components/shared/BaseButton.vue` (27 tests)
 - ✅ `src/components/shared/BaseModal.vue` (27 tests)
+- ✅ `src/composables/useAuth.js` (7 tests)
+- ✅ `src/views/AdminLogin.vue` (5 tests)
 
 **Coverage Target:** 80%+ overall