wip: agui integration

tests/renderer/navigation/chatSurfaceMode.test.ts

@@ -0,0 +1,25 @@
+import { describe, expect, it } from 'vitest';
+import {
+  getChatSurfaceMode,
+  type ChatSurfaceModeId,
+} from '../../../src/renderer/navigation/chatSurfaceMode';
+
+describe('chatSurfaceMode', () => {
+  it('returns mode flags for tab and sidebar surfaces', () => {
+    const tabMode = getChatSurfaceMode('tab');
+    const sidebarMode = getChatSurfaceMode('sidebar');
+
+    expect(tabMode.showModelSelector).toBe(true);
+    expect(tabMode.showWelcomeTips).toBe(true);
+    expect(tabMode.showToolMarkers).toBe(true);
+
+    expect(sidebarMode.showModelSelector).toBe(false);
+    expect(sidebarMode.showWelcomeTips).toBe(false);
+    expect(sidebarMode.showToolMarkers).toBe(true);
+  });
+
+  it('covers all declared mode ids', () => {
+    const modeIds: ChatSurfaceModeId[] = ['tab', 'sidebar'];
+    expect(() => modeIds.forEach((modeId) => getChatSurfaceMode(modeId))).not.toThrow();
+  });
+});