diff --git a/docs/projects/Pokedex.Online/PROGRESS.md b/docs/projects/Pokedex.Online/PROGRESS.md
index 68b119f..2104f46 100644
--- a/docs/projects/Pokedex.Online/PROGRESS.md
+++ b/docs/projects/Pokedex.Online/PROGRESS.md
@@ -119,7 +119,231 @@ Last Updated: January 28, 2026
 - [x] Written 7 tests for FeatureFlag component (all passing ✅)
 - [x] Written 8 tests for router guards (all passing ✅)
 
-## Phase 5-12: Pending
+---
+
+## Phase 5: GamemasterExplorer Refactoring (0/9 complete)
+**Duration**: 5-7 days  
+**Status**: Not Started  
+**Target**: Reduce from 1627 lines → ~400 lines (76% reduction)
+
+### ⏳ Step 13: Extract useGamemasterSearch Composable
+- [ ] Create `src/composables/useGamemasterSearch.js`
+- [ ] Extract search state (query, results, filters)
+- [ ] Extract search methods (search, clear, updateFilters)
+- [ ] Support fuzzy matching and regex patterns
+- [ ] Write comprehensive tests
+
+### ⏳ Step 14: Extract useGamemasterFiles Composable
+- [ ] Create `src/composables/useGamemasterFiles.js`
+- [ ] Extract file loading/parsing logic
+- [ ] Extract file selection state
+- [ ] Support multiple file formats
+- [ ] Write comprehensive tests
+
+### ⏳ Step 15: Extract useLineSelection Composable
+- [ ] Create `src/composables/useLineSelection.js`
+- [ ] Extract line selection state
+- [ ] Extract selection manipulation methods
+- [ ] Support multi-line selection
+- [ ] Write comprehensive tests
+
+### ⏳ Step 16: Extract useJsonFilter Composable
+- [ ] Create `src/composables/useJsonFilter.js`
+- [ ] Extract JSON filtering logic
+- [ ] Extract filter state management
+- [ ] Support nested property filtering
+- [ ] Write comprehensive tests
+
+### ⏳ Step 17: Create SearchBar Component
+- [ ] Create `src/components/gamemaster/SearchBar.vue`
+- [ ] Implement search input with autocomplete
+- [ ] Add filter controls
+- [ ] Add clear/reset functionality
+- [ ] Write component tests
+
+### ⏳ Step 18: Create FileSelector Component
+- [ ] Create `src/components/gamemaster/FileSelector.vue`
+- [ ] Implement file dropdown/selector
+- [ ] Add file upload functionality
+- [ ] Show file metadata
+- [ ] Write component tests
+
+### ⏳ Step 19: Create JsonViewer Component
+- [ ] Create `src/components/gamemaster/JsonViewer.vue`
+- [ ] Implement syntax-highlighted JSON display
+- [ ] Add line numbers and selection
+- [ ] Support collapsible sections
+- [ ] Write component tests
+
+### ⏳ Step 20: Create ActionToolbar Component
+- [ ] Create `src/components/gamemaster/ActionToolbar.vue`
+- [ ] Implement action buttons (copy, export, etc.)
+- [ ] Add keyboard shortcuts
+- [ ] Add tooltip hints
+- [ ] Write component tests
+
+### ⏳ Step 21: Refactor GamemasterExplorer Main Component
+- [ ] Update `src/views/GamemasterExplorer.vue` to use new composables
+- [ ] Replace inline logic with extracted components
+- [ ] Verify all functionality preserved
+- [ ] Update tests for refactored structure
+- [ ] Confirm line count reduction (1627 → ~400 lines)
+
+---
+
+## Phase 6: ChallongeTest Refactoring (0/6 complete)
+**Duration**: 4-5 days  
+**Status**: Not Started  
+**Target**: Reduce from 1832 lines → ~500 lines (73% reduction)
+
+### ⏳ Step 22: Extract useChallongeClient Composable
+- [ ] Create `src/composables/useChallongeClient.js`
+- [ ] Extract API client initialization
+- [ ] Extract auth token management
+- [ ] Support v1 and v2.1 API versions
+- [ ] Write comprehensive tests
+
+### ⏳ Step 23: Extract useChallongeTests Composable
+- [ ] Create `src/composables/useChallongeTests.js`
+- [ ] Extract test execution logic
+- [ ] Extract result state management
+- [ ] Support multiple test types
+- [ ] Write comprehensive tests
+
+### ⏳ Step 24: Create ApiVersionSelector Component
+- [ ] Create `src/components/challonge/ApiVersionSelector.vue`
+- [ ] Implement version toggle (v1/v2.1)
+- [ ] Show version-specific features
+- [ ] Add configuration options per version
+- [ ] Write component tests
+
+### ⏳ Step 25: Create TournamentGrid Component
+- [ ] Create `src/components/challonge/TournamentGrid.vue`
+- [ ] Implement tournament list/grid display
+- [ ] Add search and filtering
+- [ ] Support pagination
+- [ ] Write component tests
+
+### ⏳ Step 26: Create TournamentDetail Component
+- [ ] Create `src/components/challonge/TournamentDetail.vue`
+- [ ] Implement detailed tournament view
+- [ ] Show participants and matches
+- [ ] Add expandable sections
+- [ ] Write component tests
+
+### ⏳ Step 27: Refactor ChallongeTest Main Component
+- [ ] Update `src/views/ChallongeTest.vue` to use new composables
+- [ ] Replace inline logic with extracted components
+- [ ] Verify all functionality preserved
+- [ ] Update tests for refactored structure
+- [ ] Confirm line count reduction (1832 → ~500 lines)
+
+---
+
+## Phase 7: Production Deployment (0/6 complete)
+**Duration**: 3-4 days  
+**Status**: Not Started
+
+### ⏳ Step 28: Multi-Container Docker Setup
+- [ ] Create `docker-compose.production.yml`
+- [ ] Configure frontend container (nginx + built assets)
+- [ ] Configure backend container (Node.js API server)
+- [ ] Add volume mounts for data persistence
+- [ ] Add health checks for both containers
+
+### ⏳ Step 29: Update Nginx Configuration
+- [ ] Update `nginx.conf` for production
+- [ ] Configure SSL/TLS settings
+- [ ] Add security headers
+- [ ] Configure caching policies
+- [ ] Add rate limiting rules
+
+### ⏳ Step 30: Prepare Backend for Production
+- [ ] Review `server/` code for production readiness
+- [ ] Add environment variable validation
+- [ ] Configure production logging
+- [ ] Add graceful shutdown handling
+- [ ] Verify all endpoints are secure
+
+### ⏳ Step 31: Update Build Scripts
+- [ ] Update `package.json` build scripts
+- [ ] Add production build optimization
+- [ ] Configure source map generation
+- [ ] Add build verification step
+- [ ] Document build process
+
+### ⏳ Step 32: Deployment Automation
+- [ ] Create deployment script (`deploy.sh`)
+- [ ] Add pre-deployment checks
+- [ ] Add database migration step (if needed)
+- [ ] Add rollback capability
+- [ ] Document deployment process
+
+### ⏳ Step 33: Test Production Deployment Locally
+- [ ] Build production images
+- [ ] Test with docker-compose
+- [ ] Verify all features work
+- [ ] Check performance metrics
+- [ ] Document any issues
+
+---
+
+## Phase 8: Backend Improvements (0/7 complete)
+**Duration**: 5-6 days  
+**Status**: Not Started
+
+### ⏳ Step 34: Structured Logging with Winston
+- [ ] Install Winston and related packages
+- [ ] Create `server/utils/logger.js`
+- [ ] Configure log levels (dev vs production)
+- [ ] Add log rotation (daily-rotate-file)
+- [ ] Replace all console.log with logger
+
+### ⏳ Step 35: Rate Limiting Middleware
+- [ ] Install express-rate-limit
+- [ ] Create `server/middleware/rate-limit.js`
+- [ ] Configure per-endpoint limits
+- [ ] Add Redis support (optional, for multi-instance)
+- [ ] Write middleware tests
+
+### ⏳ Step 36: Gamemaster File Caching
+- [ ] Create `server/services/cache-service.js`
+- [ ] Implement in-memory cache with TTL
+- [ ] Add cache invalidation logic
+- [ ] Cache gamemaster file responses
+- [ ] Write cache service tests
+
+### ⏳ Step 37: Comprehensive Error Handling
+- [ ] Create `server/middleware/error-handler.js`
+- [ ] Standardize error response format
+- [ ] Add error logging
+- [ ] Handle specific error types (validation, auth, etc.)
+- [ ] Write error handler tests
+
+### ⏳ Step 38: Health Check Endpoints
+- [ ] Create `server/routes/health.js`
+- [ ] Add `/health` endpoint (basic ping)
+- [ ] Add `/health/ready` endpoint (dependency checks)
+- [ ] Add `/health/live` endpoint (liveness probe)
+- [ ] Write health check tests
+
+### ⏳ Step 39: API Input Validation
+- [ ] Install Joi validation library
+- [ ] Create validation schemas for all endpoints
+- [ ] Add validation middleware
+- [ ] Standardize validation error responses
+- [ ] Write validation tests
+
+### ⏳ Step 40: Backend Test Suite
+- [ ] Set up Vitest for backend testing
+- [ ] Write tests for all routes
+- [ ] Write tests for all middleware
+- [ ] Write tests for utility functions
+- [ ] Achieve 80%+ backend test coverage
+
+---
+
+## Phase 9-12: Pending
 
 See [REFACTORING-PLAN.md](./REFACTORING-PLAN.md) for complete plan.