fix(devtools): bundle devtools package to avoid resolution errors (#27250)

scripts/copy_bundle_assets.js

@@ -85,29 +85,7 @@ if (existsSync(builtinSkillsSrc)) {
   console.log('Copied built-in skills to bundle/builtin/');
 }
 
-// 5. Copy DevTools package so the external dynamic import resolves at runtime
-const devtoolsSrc = join(root, 'packages/devtools');
-const devtoolsDest = join(
-  bundleDir,
-  'node_modules',
-  '@google',
-  'gemini-cli-devtools',
-);
-const devtoolsDistSrc = join(devtoolsSrc, 'dist');
-if (existsSync(devtoolsDistSrc)) {
-  mkdirSync(devtoolsDest, { recursive: true });
-  cpSync(devtoolsDistSrc, join(devtoolsDest, 'dist'), {
-    recursive: true,
-    dereference: true,
-  });
-  copyFileSync(
-    join(devtoolsSrc, 'package.json'),
-    join(devtoolsDest, 'package.json'),
-  );
-  console.log('Copied devtools package to bundle/node_modules/');
-}
-
-// 6. Copy bundled chrome-devtools-mcp
+// 5. Copy bundled chrome-devtools-mcp
 const bundleMcpSrc = join(root, 'packages/core/dist/bundled');
 const bundleMcpDest = join(bundleDir, 'bundled');
 if (!existsSync(bundleMcpSrc)) {
@@ -120,7 +98,7 @@ if (!existsSync(bundleMcpSrc)) {
 cpSync(bundleMcpSrc, bundleMcpDest, { recursive: true, dereference: true });
 console.log('Copied bundled chrome-devtools-mcp to bundle/bundled/');
 
-// 7. Copy Extension Examples
+// 6. Copy Extension Examples
 const extensionExamplesSrc = join(
   root,
   'packages/cli/src/commands/extensions/examples',