docs: Update README with Phase 2 features and current status

- Document implemented match analysis features (rounds, economy, weapons, etc.)
- Add player profile features with Premier rating
- Reference MISSING_BACKEND_API.md for backend requirements
- Update status to Phase 2 Complete

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

README.md

@@ -126,7 +126,8 @@ csgowtf/
 │   │   │   └── player/       # Player-specific components
 │   │   ├── stores/           # Svelte stores (state)
 │   │   ├── types/            # TypeScript types
-│   │   ├── utils/            # Helper functions
+│   │   ├── utils/            # Helper functions & utilities
+│   │   │   └── economyUtils.ts  # CS2 economy classification
 │   │   └── i18n/             # Internationalization
 │   ├── routes/               # SvelteKit routes (pages)
 │   ├── mocks/                # MSW mock handlers
@@ -148,26 +149,45 @@ csgowtf/
 
 ## 🎨 Features
 
-### Current (Phase 1 - ✅ Complete)
+### Current (Phase 2 - ✅ Core Features Complete)
 
-- ✅ SvelteKit project scaffolded with TypeScript strict mode
-- ✅ Tailwind CSS + DaisyUI with CS2-themed color palette
-- ✅ Complete development tooling (ESLint, Prettier, Husky)
-- ✅ Testing infrastructure (Vitest + Playwright)
+#### Match Analysis
+
+- ✅ Match listing with filtering and pagination
+- ✅ Match detail pages with neon esports aesthetic
+- ✅ **Rounds page** with Economy Overview toggle
+  - Round-by-round player economy breakdown
+  - Economy flow charts showing advantage over time
+  - Equipment value trends per team
+  - Team-aware buy type classification (Pistol/Eco/Force/Full Buy)
+  - Halftime team swap handling
+- ✅ Weapons stats with kill/death analysis
+- ✅ Flash effectiveness tracking
+- ✅ Damage matrix (who damaged whom)
+- ✅ Match chat log
+
+#### Player Profiles
+
+- ✅ Player profile pages with stats overview
+- ✅ Premier rating display with tier badges
+- ✅ Recent matches list
+- ✅ Performance statistics
+
+#### Infrastructure
+
+- ✅ SvelteKit 2.0 with Svelte 5 runes
+- ✅ TypeScript strict mode throughout
+- ✅ Tailwind CSS + DaisyUI with custom neon theme
+- ✅ Unified economy utilities (`economyUtils.ts`)
+- ✅ Zod schema validation for API responses
 - ✅ CI/CD pipeline (Woodpecker)
-- ✅ Backend API documented
 
-### Planned (See `docs/TODO.md` for details)
+### Planned
 
 - 🏠 Homepage with featured matches
-- 📊 Match listing with advanced filters
-- 👤 Player profiles with stats & charts
-- 🎮 Match detail pages (overview, economy, flashes, damage, chat)
 - 🌍 Multi-language support (i18n)
-- 🌙 Dark/Light theme toggle (default: dark)
-- 📱 Mobile-responsive design
-- ♿ WCAG 2.1 AA accessibility
-- 🎯 CS2-specific features (MR12, Premier rating, volumetric smokes)
+- 📱 Enhanced mobile responsiveness
+- 🎯 Round winner/win reason display (requires backend update - see `MISSING_BACKEND_API.md`)
 
 ---
 
@@ -282,6 +302,7 @@ We welcome contributions! Please follow these guidelines:
 ## 📚 Documentation
 
 - **API Reference**: [`docs/API.md`](docs/API.md) - Complete backend API documentation
+- **Missing Backend Data**: [`MISSING_BACKEND_API.md`](MISSING_BACKEND_API.md) - Backend features needed for full functionality
 - **Project Roadmap**: [`docs/TODO.md`](docs/TODO.md) - Detailed implementation plan
 - **SvelteKit Docs**: [kit.svelte.dev](https://kit.svelte.dev/)
 - **Tailwind CSS**: [tailwindcss.com](https://tailwindcss.com/)
@@ -311,4 +332,4 @@ If you find this project helpful, consider supporting us:
 
 ---
 
-**Status**: 🚧 **Phase 1 Complete** - Active rewrite for CS2 support
+**Status**: 🎮 **Phase 2 Complete** - Core match analysis & player profiles functional