chore: prep folders for copying upstream (#987)

extension/playwright.config.ts

@@ -16,7 +16,7 @@
 
 import { defineConfig } from '@playwright/test';
 
-import type { TestOptions } from '../tests/fixtures.js';
+import type { TestOptions } from '../tests/fixtures';
 
 export default defineConfig<TestOptions>({
   testDir: './tests',

extension/src/ui/connect.tsx

@@ -16,8 +16,8 @@
 
 import React, { useState, useEffect, useCallback } from 'react';
 import { createRoot } from 'react-dom/client';
-import { Button, TabItem  } from './tabItem.js';
-import type { TabInfo } from './tabItem.js';
+import { Button, TabItem  } from './tabItem';
+import type { TabInfo } from './tabItem';
 
 type Status =
   | { type: 'connecting'; message: string }

extension/src/ui/status.tsx

@@ -16,9 +16,9 @@
 
 import React, { useState, useEffect } from 'react';
 import { createRoot } from 'react-dom/client';
-import { Button, TabItem  } from './tabItem.js';
+import { Button, TabItem  } from './tabItem';
 
-import type { TabInfo } from './tabItem.js';
+import type { TabInfo } from './tabItem';
 
 interface ConnectionStatus {
   isConnected: boolean;

extension/tests/extension.spec.ts

@@ -17,11 +17,11 @@
 import fs from 'fs';
 import path from 'path';
 import { chromium } from 'playwright';
-import { test as base, expect } from '../../tests/fixtures.js';
+import { test as base, expect } from '../../tests/fixtures';
 
 import type { Client } from '@modelcontextprotocol/sdk/client/index.js';
 import type { BrowserContext } from 'playwright';
-import type { StartClient } from '../../tests/fixtures.js';
+import type { StartClient } from '../../tests/fixtures';
 
 type BrowserWithExtension = {
   userDataDir: string;