feat: implement complete Phase 2 frontend foundation with React 18

Major milestone: Frontend implementation complete for Shattered Void MMO

FRONTEND IMPLEMENTATION:
- React 18 + TypeScript + Vite development environment
- Tailwind CSS with custom dark theme for sci-fi aesthetic
- Zustand state management with authentication persistence
- Socket.io WebSocket client with auto-reconnection
- Protected routing with authentication guards
- Responsive design with mobile-first approach

AUTHENTICATION SYSTEM:
- Login/register forms with comprehensive validation
- JWT token management with localStorage persistence
- Password strength validation and user feedback
- Protected routes and authentication guards

CORE GAME INTERFACE:
- Colony management dashboard with real-time updates
- Resource display with live production tracking
- WebSocket integration for real-time game events
- Navigation with connection status indicator
- Toast notifications for user feedback

BACKEND ENHANCEMENTS:
- Complete Research System with technology tree (23 technologies)
- Fleet Management System with ship designs and movement
- Enhanced Authentication with email verification and password reset
- Complete game tick integration for all systems
- Advanced WebSocket events for real-time updates

ARCHITECTURE FEATURES:
- Type-safe TypeScript throughout
- Component-based architecture with reusable UI elements
- API client with request/response interceptors
- Error handling and loading states
- Performance optimized builds with code splitting

Phase 2 Status: Frontend foundation complete (Week 1-2 objectives met)
Ready for: Colony management, fleet operations, research interface
Next: Enhanced gameplay features and admin interface

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

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

src/routes/player/notifications.js

@@ -0,0 +1,33 @@
+/**
+ * Player Notifications Routes
+ * Handles player notifications and messages
+ */
+
+const express = require('express');
+const router = express.Router();
+
+// TODO: Implement notifications routes
+router.get('/', (req, res) => {
+  res.json({ 
+    message: 'Notifications routes not yet implemented',
+    available_endpoints: {
+      '/unread': 'Get unread notifications',
+      '/all': 'Get all notifications',
+      '/mark-read': 'Mark notifications as read'
+    }
+  });
+});
+
+router.get('/unread', (req, res) => {
+  res.json({ message: 'Unread notifications endpoint not implemented' });
+});
+
+router.get('/all', (req, res) => {
+  res.json({ message: 'All notifications endpoint not implemented' });
+});
+
+router.post('/mark-read', (req, res) => {
+  res.json({ message: 'Mark notifications read endpoint not implemented' });
+});
+
+module.exports = router;