Introduce IDE mode installer (#4877)

packages/core/src/ide/detect-ide.ts

@@ -0,0 +1,25 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export enum DetectedIde {
+  VSCode = 'vscode',
+}
+
+export function getIdeDisplayName(ide: DetectedIde): string {
+  switch (ide) {
+    case DetectedIde.VSCode:
+      return 'VSCode';
+    default:
+      throw new Error(`Unsupported IDE: ${ide}`);
+  }
+}
+
+export function detectIde(): DetectedIde | undefined {
+  if (process.env.TERM_PROGRAM === 'vscode') {
+    return DetectedIde.VSCode;
+  }
+  return undefined;
+}