diff --git a/knip.config.ts b/knip.config.ts
index 0dcbf7d50..580dba86c 100644
--- a/knip.config.ts
+++ b/knip.config.ts
@@ -18,7 +18,10 @@ const config: KnipConfig = {
     '@primeuix/utils',
     '@primevue/icons',
     // Dev
-    '@trivago/prettier-plugin-sort-imports'
+    '@trivago/prettier-plugin-sort-imports',
+    // Used by playwright.i18n.config.ts babel plugins
+    '@babel/plugin-transform-typescript',
+    'babel-plugin-module-resolver'
   ],
   ignore: [
     // Auto generated manager types
diff --git a/playwright.i18n.config.ts b/playwright.i18n.config.ts
index a86afbc12..d365d8245 100644
--- a/playwright.i18n.config.ts
+++ b/playwright.i18n.config.ts
@@ -8,7 +8,6 @@ const config: any = defineConfig({
   testDir: './scripts',
   use: {
     baseURL: 'http://localhost:5173',
-    headless: true
   },
   reporter: 'list',
   timeout: 60000,
@@ -26,8 +25,8 @@ const config: any = defineConfig({
 // Configure babel plugins for TypeScript with declare fields and module resolution
 config['@playwright/test'] = {
   babelPlugins: [
-    // Stub Vue and CSS imports first to prevent parsing errors
-    [path.join(__dirname, 'babel-plugin-stub-vue-imports.cjs')],
+    // Stub Vue and CSS imports to prevent parsing errors
+    [path.join(__dirname, 'scripts/babel-plugin-stub-vue-imports.cjs')],
     // Module resolver to handle @ alias
     [
       'babel-plugin-module-resolver',
@@ -38,14 +37,19 @@ config['@playwright/test'] = {
         }
       }
     ],
-    // Then TypeScript transformation with declare field support
+    // TypeScript transformation with declare field support
     [
       '@babel/plugin-transform-typescript',
       {
         allowDeclareFields: true,
         onlyRemoveTypeImports: true
       }
-    ]
+    ],
+    // Inject browser globals AFTER TypeScript transformation
+    [path.join(__dirname, 'scripts/babel-plugin-inject-globals.cjs'), {
+      filenamePattern: 'collect-i18n-',
+      setupFile: './setup-browser-globals.mjs'
+    }]
   ]
 }
 
diff --git a/scripts/babel-plugin-inject-globals.cjs b/scripts/babel-plugin-inject-globals.cjs
new file mode 100644
index 000000000..17bf1beb1
--- /dev/null
+++ b/scripts/babel-plugin-inject-globals.cjs
@@ -0,0 +1,30 @@
+module.exports = function(babel) {
+  const { types: t } = babel;
+
+  return {
+    visitor: {
+      Program(path, state) {
+        // Get options from plugin configuration
+        const opts = state.opts || {};
+        const filenamePattern = opts.filenamePattern || DIE('filenamePattern option is required');
+        const setupFile = opts.setupFile || DIE('setupFile option is required');
+
+        // Only inject the setup for matching test files
+        if (state.filename?.match(filenamePattern)) {
+          // Create an import statement for the setup file
+          const importDeclaration = t.importDeclaration(
+            [],
+            t.stringLiteral(setupFile)
+          );
+
+          // Insert the import at the beginning of the file
+          path.node.body.unshift(importDeclaration);
+        }
+      }
+    }
+  };
+};
+
+function DIE(msg) {
+  throw new Error(msg);
+}
\ No newline at end of file
diff --git a/babel-plugin-stub-vue-imports.cjs b/scripts/babel-plugin-stub-vue-imports.cjs
similarity index 100%
rename from babel-plugin-stub-vue-imports.cjs
rename to scripts/babel-plugin-stub-vue-imports.cjs
diff --git a/scripts/collect-i18n-general.ts b/scripts/collect-i18n-general.ts
index 915736c65..a23279b32 100644
--- a/scripts/collect-i18n-general.ts
+++ b/scripts/collect-i18n-general.ts
@@ -7,7 +7,6 @@ import { SERVER_CONFIG_ITEMS } from '../src/constants/serverConfig'
 import type { ComfyCommandImpl } from '../src/stores/commandStore'
 import type { FormItem, SettingParams } from '../src/platform/settings/types'
 import { formatCamelCase, normalizeI18nKey } from '../src/utils/formatUtil'
-import './setup-browser-globals.js'
 
 const localePath = './src/locales/en/main.json'
 const commandsPath = './src/locales/en/commands.json'
diff --git a/scripts/collect-i18n-node-defs.ts b/scripts/collect-i18n-node-defs.ts
index 578f87a7a..253c85f33 100644
--- a/scripts/collect-i18n-node-defs.ts
+++ b/scripts/collect-i18n-node-defs.ts
@@ -1,4 +1,3 @@
-// Setup browser globals before any other imports that might use them
 import * as fs from 'fs'
 
 import { comfyPageFixture as test } from '../browser_tests/fixtures/ComfyPage'
@@ -6,7 +5,6 @@ import type { ComfyNodeDef } from '../src/schemas/nodeDefSchema'
 import type { ComfyApi } from '../src/scripts/api'
 import { ComfyNodeDefImpl } from '../src/stores/nodeDefStore'
 import { normalizeI18nKey } from '../src/utils/formatUtil'
-import './setup-browser-globals.js'
 
 const localePath = './src/locales/en/main.json'
 const nodeDefsPath = './src/locales/en/nodeDefs.json'
diff --git a/scripts/setup-browser-globals.js b/scripts/setup-browser-globals.mjs
similarity index 63%
rename from scripts/setup-browser-globals.js
rename to scripts/setup-browser-globals.mjs
index 567a72a17..ccbdfb099 100644
--- a/scripts/setup-browser-globals.js
+++ b/scripts/setup-browser-globals.mjs
@@ -1,32 +1,34 @@
 // Setup browser-like globals for Node.js environment
-import { Window } from 'happy-dom'
+import { createRequire } from 'module';
+const require = createRequire(import.meta.url);
+const { Window } = require('happy-dom');
 
 // Set build-time constants
-global.__USE_PROD_CONFIG__ = false
-global.__USE_LOCAL_SERVER__ = true
-global.__RUN_TESTS__ = true
+global.__USE_PROD_CONFIG__ = false;
+global.__USE_LOCAL_SERVER__ = true;
+global.__RUN_TESTS__ = true;
 
 const window = new Window({
   url: 'http://localhost:5173',
   width: 1024,
   height: 768
-})
+});
 
-global.window = window
-global.document = window.document
-global.location = window.location
+global.window = window;
+global.document = window.document;
+global.location = window.location;
 // Don't set navigator if it's read-only
 if (!global.navigator || Object.getOwnPropertyDescriptor(global, 'navigator')?.set) {
-  global.navigator = window.navigator
+  global.navigator = window.navigator;
 }
-global.HTMLElement = window.HTMLElement
-global.Element = window.Element
-global.CustomEvent = window.CustomEvent
-global.requestAnimationFrame = window.requestAnimationFrame
+global.HTMLElement = window.HTMLElement;
+global.Element = window.Element;
+global.CustomEvent = window.CustomEvent;
+global.requestAnimationFrame = window.requestAnimationFrame;
 
 // Use happy-dom's storage implementations
-global.localStorage = window.localStorage
-global.sessionStorage = window.sessionStorage
+global.localStorage = window.localStorage;
+global.sessionStorage = window.sessionStorage;
 
 // Mock fetch if not available
 if (!global.fetch) {
@@ -37,7 +39,7 @@ if (!global.fetch) {
     blob: () => Promise.resolve(new Blob()),
     arrayBuffer: () => Promise.resolve(new ArrayBuffer(0)),
     headers: new Map()
-  })
+  });
 }
 
 // Mock ResizeObserver
@@ -45,7 +47,7 @@ global.ResizeObserver = class ResizeObserver {
   observe() {}
   unobserve() {}
   disconnect() {}
-}
+};
 
 // Mock IntersectionObserver
 global.IntersectionObserver = class IntersectionObserver {
@@ -53,10 +55,10 @@ global.IntersectionObserver = class IntersectionObserver {
   observe() {}
   unobserve() {}
   disconnect() {}
-}
+};
 
 // Mock getComputedStyle
-global.getComputedStyle = window.getComputedStyle
+global.getComputedStyle = window.getComputedStyle;
 
 // Mock createRange
 global.document.createRange = () => ({
@@ -71,4 +73,4 @@ global.document.createRange = () => ({
     height: 0
   }),
   getClientRects: () => []
-})
\ No newline at end of file
+});
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
index 75926b943..43ae63a64 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -33,6 +33,8 @@
     "eslint.config.ts",
     "global.d.ts",
     "knip.config.ts",
+    "playwright.i18n.config.ts",
+    "scripts/collect-i18n-*.ts",
     "src/**/*.vue",
     "src/**/*",
     "src/types/**/*.d.ts",