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>

frontend/eslint.config.js

@@ -0,0 +1,23 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import tseslint from 'typescript-eslint'
+import { globalIgnores } from 'eslint/config'
+
+export default tseslint.config([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{ts,tsx}'],
+    extends: [
+      js.configs.recommended,
+      tseslint.configs.recommended,
+      reactHooks.configs['recommended-latest'],
+      reactRefresh.configs.vite,
+    ],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+  },
+])