Initial import from garrytan/gstack@026751e (main snapshot via local relay)

Source: https://github.com/garrytan/gstack/commit/026751e

browse/test/browser-manager-unit.test.ts

@@ -0,0 +1,17 @@
+import { describe, it, expect } from 'bun:test';
+
+// ─── BrowserManager basic unit tests ─────────────────────────────
+
+describe('BrowserManager defaults', () => {
+  it('getConnectionMode defaults to launched', async () => {
+    const { BrowserManager } = await import('../src/browser-manager');
+    const bm = new BrowserManager();
+    expect(bm.getConnectionMode()).toBe('launched');
+  });
+
+  it('getRefMap returns empty array initially', async () => {
+    const { BrowserManager } = await import('../src/browser-manager');
+    const bm = new BrowserManager();
+    expect(bm.getRefMap()).toEqual([]);
+  });
+});