diff --git a/build/frontend-legacy/package.json b/build/frontend-legacy/package.json
index 0fc3a2d9bc5..c2b344f3f9d 100644
--- a/build/frontend-legacy/package.json
+++ b/build/frontend-legacy/package.json
@@ -23,6 +23,9 @@
   "overrides": {
     "@vitejs/plugin-vue2": {
       "vite": "^7"
+    },
+    "@vueuse/integrations": {
+      "focus-trap": "^8"
     }
   },
   "dependencies": {
diff --git a/package-lock.json b/package-lock.json
index cccdbe5c3d3..e0517e5ac8b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -66,10 +66,10 @@
         "jsdom": "^29.0.1",
         "jsdom-testing-mocks": "^1.16.0",
         "msw": "^2.12.14",
-        "sass": "^1.98.0",
+        "sass": "^1.99.0",
         "stylelint": "^17.5.0",
-        "vite": "^7.3.1",
-        "vitest": "^4.0.15"
+        "vite": "^7.3.2",
+        "vitest": "^4.1.4"
       },
       "engines": {
         "node": "^24.0.0",
@@ -14488,9 +14488,9 @@
       "license": "MIT"
     },
     "node_modules/sass": {
-      "version": "1.98.0",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.98.0.tgz",
-      "integrity": "sha512-+4N/u9dZ4PrgzGgPlKnaaRQx64RO0JBKs9sDhQ2pLgN6JQZ25uPQZKQYaBJU48Kd5BxgXoJ4e09Dq7nMcOUW3A==",
+      "version": "1.99.0",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.99.0.tgz",
+      "integrity": "sha512-kgW13M54DUB7IsIRM5LvJkNlpH+WhMpooUcaWGFARkF1Tc82v9mIWkCbCYf+MBvpIUBSeSOTilpZjEPr2VYE6Q==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -16946,9 +16946,9 @@
       }
     },
     "node_modules/vite": {
-      "version": "7.3.1",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.1.tgz",
-      "integrity": "sha512-w+N7Hifpc3gRjZ63vYBXA56dvvRlNWRczTdmCBBa+CotUzAPf5b7YMdMR/8CQoeYE5LX3W4wj6RYTgonm1b9DA==",
+      "version": "7.3.2",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.2.tgz",
+      "integrity": "sha512-Bby3NOsna2jsjfLVOHKes8sGwgl4TT0E6vvpYgnAYDIF/tie7MRaFthmKuHx1NSXjiTueXH3do80FMQgvEktRg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index ceb93ec9cb1..290aa7380a0 100644
--- a/package.json
+++ b/package.json
@@ -29,10 +29,10 @@
     "sass:watch": "sass --watch --load-path core/css core/css/ $(for cssdir in $(find apps -mindepth 2 -maxdepth 2 -name \"css\"); do if ! $(git check-ignore -q $cssdir); then printf \"$cssdir \"; fi; done)",
     "stylelint": "stylelint $(for appdir in $(ls apps); do if ! $(git check-ignore -q \"apps/$appdir\"); then printf \"'apps/$appdir/**/*.{scss,vue}' \"; fi; done) 'core/**/*.{scss,vue}'",
     "stylelint:fix": "npm run stylelint -- --fix",
-    "test": "build/demi.sh test",
-    "test:coverage": "build/demi.sh test:coverage",
-    "test:update-snapshots": "build/demi.sh test:update-snapshots",
-    "test:watch": "build/demi.sh --parallel test:watch",
+    "test": "vitest run",
+    "test:coverage": "vitest run --coverage",
+    "test:update-snapshots": "vitest run --update",
+    "test:watch": "vitest watch",
     "watch": "build/demi.sh --parallel watch"
   },
   "browserslist": [
@@ -95,10 +95,10 @@
     "jsdom": "^29.0.1",
     "jsdom-testing-mocks": "^1.16.0",
     "msw": "^2.12.14",
-    "sass": "^1.98.0",
+    "sass": "^1.99.0",
     "stylelint": "^17.5.0",
-    "vite": "^7.3.1",
-    "vitest": "^4.0.15"
+    "vite": "^7.3.2",
+    "vitest": "^4.1.4"
   },
   "engines": {
     "node": "^24.0.0",
diff --git a/vitest.config.ts b/vitest.config.ts
index 1ce29c6770d..499fd4e0f62 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -5,9 +5,17 @@
 
 import { defineConfig } from 'vitest/config'
 
-// stub - for the moment see build/frontend/vitest.config.ts
 export default defineConfig({
 	test: {
-		projects: ['build/frontend*'],
+		projects: [
+			'build/frontend*',
+		],
+	},
+	server: {
+		watch: {
+			ignored(path: string) {
+				return !/(\/|build\/frontend[^/]*\/)(apps|core)\/(src|tests)\//.test(path)
+			},
+		},
 	},
 })