Update application ports to 3050 and enhance Playwright tests with WebGL mock

frontend/playwright.config.js

@@ -8,9 +8,17 @@ export default defineConfig({
   workers: process.env.CI ? 1 : undefined,
   reporter: process.env.CI ? 'list' : 'html',
   use: {
-    baseURL: 'http://localhost:3000',
+    baseURL: 'http://localhost:3050',
     trace: 'on-first-retry',
     headless: true,
+    launchOptions: {
+      args: [
+        '--enable-webgl',
+        '--ignore-gpu-blocklist',
+        '--use-gl=angle',
+        '--use-angle=swiftshader-webgl',
+      ],
+    },
   },
   projects: [
     {
@@ -20,7 +28,7 @@ export default defineConfig({
   ],
   webServer: {
     command: 'npm run start',
-    url: 'http://localhost:3000',
+    url: 'http://localhost:3050',
     reuseExistingServer: !process.env.CI,
   },
 });