wip: agui integration

tests/renderer/navigation/chatSurfaceModeUsageGuards.test.ts

@@ -0,0 +1,24 @@
+import { describe, expect, it } from 'vitest';
+import { readFile } from 'node:fs/promises';
+import path from 'node:path';
+
+const root = path.resolve(__dirname, '../../..');
+
+async function read(relativePath: string): Promise<string> {
+  return readFile(path.join(root, relativePath), 'utf8');
+}
+
+describe('chat surface mode usage guards', () => {
+  it('uses shared mode config in both chat surfaces', async () => {
+    const chatPanel = await read('src/renderer/components/ChatPanel/ChatPanel.tsx');
+    const assistantSidebar = await read('src/renderer/components/AssistantSidebar/AssistantSidebar.tsx');
+
+    expect(chatPanel).toContain('getChatSurfaceMode(');
+    expect(assistantSidebar).toContain('getChatSurfaceMode(');
+
+    expect(chatPanel).toContain('showModelSelector');
+    expect(chatPanel).toContain('showWelcomeTips');
+    expect(assistantSidebar).toContain('showWelcomeTips');
+    expect(assistantSidebar).toContain('showToolMarkers');
+  });
+});