feat: Rebuild as Court Manager Dashboard v2

- Complete rewrite for single Court Manager user
- Feature 1: Player Management (CRUD, ELO, skill level)
- Feature 2: Court Reservation (timeline, override)
- Feature 3: Match Event Builder (3-step wizard)
  - Step 1: Event setup with player selection + stage calculator
  - Step 2: Stage configurator (Open/Skill/RR/Tournament)
  - Step 3: Auto bracket generation
- Feature 4: Live Court View (main dashboard, 2x2 grid)
- Event Control: score entry, bracket advancement, court assignment
- Screen view: TV display per court (/screen/:id)
- Seed: 8 players, 4 courts, 1 completed + 1 active event
- Routes: / players courts events events/new events/:id screen/:id

frontend/vite.config.js

@@ -4,19 +4,9 @@ import vue from '@vitejs/plugin-vue'
 export default defineConfig({
   plugins: [vue()],
   server: {
-    port: 3000,
     proxy: {
-      '/api': {
-        target: 'http://backend:8000',
-        changeOrigin: true,
-      },
-      '/ws': {
-        target: 'ws://backend:8000',
-        ws: true,
-      }
+      '/api': 'http://backend:8000',
+      '/ws': { target: 'ws://backend:8000', ws: true },
     }
-  },
-  build: {
-    outDir: 'dist',
   }
 })