🔧 Update Playwright config and tests to use env variables (#1266)

frontend/tsconfig.json

@@ -20,6 +20,6 @@
     "noUnusedParameters": true,
     "noFallthroughCasesInSwitch": true
   },
-  "include": ["src"],
+  "include": ["src", "*.ts", "**/*.ts"],
   "references": [{ "path": "./tsconfig.node.json" }]
 }