Enhance debug profiler to track tree framerate and dispatch errors (#10502)

packages/cli/src/ui/commands/profileCommand.ts

@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { isDevelopment } from '../../utils/installationInfo.js';
+import { CommandKind, type SlashCommand } from './types.js';
+
+export const profileCommand: SlashCommand | null = isDevelopment
+  ? {
+      name: 'profile',
+      kind: CommandKind.BUILT_IN,
+      description: 'Toggle the debug profile display',
+      action: async (context) => {
+        context.ui.toggleDebugProfiler();
+        return {
+          type: 'message',
+          messageType: 'info',
+          content: 'Toggled profile display.',
+        };
+      },
+    }
+  : null;

packages/cli/src/ui/commands/types.ts

@@ -66,6 +66,7 @@ export interface CommandContext {
     loadHistory: UseHistoryManagerReturn['loadHistory'];
     /** Toggles a special display mode. */
     toggleCorgiMode: () => void;
+    toggleDebugProfiler: () => void;
     toggleVimEnabled: () => Promise<boolean>;
     setGeminiMdFileCount: (count: number) => void;
     reloadCommands: () => void;