diff --git a/docs/projects/Pokedex.Online/PROGRESS.md b/docs/projects/Pokedex.Online/PROGRESS.md
index fc0bdc8..9d488a3 100644
--- a/docs/projects/Pokedex.Online/PROGRESS.md
+++ b/docs/projects/Pokedex.Online/PROGRESS.md
@@ -92,9 +92,34 @@ Last Updated: January 28, 2026
 - [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
+## Phase 4: Feature Flags with Authentication ✅ (3/3 complete)
+
+### ✅ Step 10: Feature Flag System
+- [x] Created `src/config/feature-flags.js` with flag definitions
+- [x] Created `src/composables/useFeatureFlags.js` composable
+- [x] Supports local overrides (developer mode)
+- [x] Permission-based flags (requires auth)
+- [x] Backend flag query support (ready for future)
+- [x] Written 7 comprehensive tests (all passing ✅)
+
+### ✅ Step 11: Developer Tools Panel  
+- [x] Created `src/components/DeveloperTools.vue`
+- [x] Keyboard shortcut: Ctrl+Shift+D
+- [x] Feature flag toggle interface
+- [x] Auth status display
+- [x] Environment information
+- [x] Integrated into App.vue
+
+### ✅ Step 12: Integration & Testing
+- [x] Created `src/components/FeatureFlag.vue` wrapper component
+- [x] Updated router guards to check feature flags
+- [x] Feature flags block route access when disabled
+- [x] Written 7 tests for FeatureFlag component (all passing ✅)
+- [x] Written 8 tests for router guards (all passing ✅)
+
+## Phase 5-12: Pending
 
 See [REFACTORING-PLAN.md](./REFACTORING-PLAN.md) for complete plan.
 
@@ -102,7 +127,7 @@ See [REFACTORING-PLAN.md](./REFACTORING-PLAN.md) for complete plan.
 
 ## Test Coverage
 
-**Current:** 91 tests passing  
+**Current:** 113 tests passing  
 **Files with tests:**
 - ✅ `src/composables/useAsyncState.js` (12 tests)
 - ✅ `src/utilities/api-client.js` (13 tests)
@@ -110,6 +135,9 @@ See [REFACTORING-PLAN.md](./REFACTORING-PLAN.md) for complete plan.
 - ✅ `src/components/shared/BaseModal.vue` (27 tests)
 - ✅ `src/composables/useAuth.js` (7 tests)
 - ✅ `src/views/AdminLogin.vue` (5 tests)
+- ✅ `src/composables/useFeatureFlags.js` (7 tests)
+- ✅ `src/components/FeatureFlag.vue` (7 tests)
+- ✅ `src/router/guards.js` (8 tests)
 
 **Coverage Target:** 80%+ overall