chore(lint): restore zero-error eslint baseline

src/frontends/tui/components/App.tsx

@@ -117,7 +117,7 @@ export function App({
     if (!hookEngine) {return;}
 
     hookEngine.setInteractiveConfirmer(async (pending) => {
-      return await new Promise<HookResult>((resolve) => {
+      return new Promise<HookResult>((resolve) => {
         confirmResolveRef.current = resolve;
         setConfirmation({ tool: pending.tool, args: pending.args });
       });