fix test failures, new export/backup solutions

frontend/playwright.config.ts

@@ -8,7 +8,7 @@ export default defineConfig({
   workers: process.env.CI ? 1 : undefined,
   reporter: "html",
   use: {
-    baseURL: "http://localhost:5173",
+    baseURL: "http://localhost:6767",
     trace: "on-first-retry",
     screenshot: "only-on-failure",
   },
@@ -29,7 +29,7 @@ export default defineConfig({
     },
     {
       command: "npm run dev",
-      url: "http://localhost:5173",
+      url: "http://localhost:6767",
       reuseExistingServer: false,
       timeout: 120000,
     },