Improve data agent workspace UI

frontend/app/app/assistant.tsx

@@ -23,6 +23,7 @@ import {
 import { ClawSessionReplayProvider } from "@/lib/claw-session-replay";
 import { ClawAccountGate, useClawAccount } from "./claw-account-gate";
 import { ClawLlmSettings } from "./claw-llm-settings";
+import { ClawThemeSwitcher } from "./claw-theme-switcher";
 
 export const Assistant = () => {
 	const { account, isLoading, setAccount } = useClawAccount();
@@ -94,9 +95,10 @@ export const Assistant = () => {
 									<div className="min-w-0 flex-1">
 										<div className="truncate font-medium text-sm">新会话</div>
 										<div className="text-muted-foreground text-xs">
-											Claw Data Agent
+											ZK Data Agent
 										</div>
 									</div>
+									<ClawThemeSwitcher />
 									<ClawLlmSettings />
 								</header>
 								<div className="flex min-h-0 flex-1 overflow-hidden">