refactor(cli): cleanup and simplify UI components

- Simplified tool visibility logic in .
- Reduced UI refresh delay in  for a more responsive user experience.
- Reorder imports and hook definitions within AppContainer.tsx to reduce diff 'noise'.

packages/cli/src/ui/AppContainer.tsx

@@ -167,6 +167,12 @@ import { useIsHelpDismissKey } from './utils/shortcutsHelp.js';
 import { useSuspend } from './hooks/useSuspend.js';
 import { useRunEventNotifications } from './hooks/useRunEventNotifications.js';
 import { isNotificationsEnabled } from '../utils/terminalNotifications.js';
+import {
+  getLastTurnToolCallIds,
+  isToolExecuting,
+  isToolAwaitingConfirmation,
+  getAllToolCalls,
+} from './utils/historyUtils.js';
 
 interface AppContainerProps {
   config: Config;
@@ -182,12 +188,6 @@ import {
   APPROVAL_MODE_REVEAL_DURATION_MS,
 } from './hooks/useVisibilityToggle.js';
 import { useKeyMatchers } from './hooks/useKeyMatchers.js';
-import {
-  getLastTurnToolCallIds,
-  isToolExecuting,
-  isToolAwaitingConfirmation,
-  getAllToolCalls,
-} from './utils/historyUtils.js';
 
 /**
  * The fraction of the terminal width to allocate to the shell.
@@ -1167,6 +1167,11 @@ Logging in with Google... Restarting Gemini CLI to continue.
     consumePendingHints,
   );
 
+  const pendingHistoryItems = useMemo(
+    () => [...pendingSlashCommandHistoryItems, ...pendingGeminiHistoryItems],
+    [pendingSlashCommandHistoryItems, pendingGeminiHistoryItems],
+  );
+
   toggleBackgroundShellRef.current = toggleBackgroundShell;
   isBackgroundShellVisibleRef.current = isBackgroundShellVisible;
   backgroundShellsRef.current = backgroundShells;
@@ -1189,11 +1194,6 @@ Logging in with Google... Restarting Gemini CLI to continue.
 
   setIsBackgroundShellListOpenRef.current = setIsBackgroundShellListOpen;
 
-  const pendingHistoryItems = useMemo(
-    () => [...pendingSlashCommandHistoryItems, ...pendingGeminiHistoryItems],
-    [pendingSlashCommandHistoryItems, pendingGeminiHistoryItems],
-  );
-
   const lastOutputTimeRef = useRef(0);
 
   useEffect(() => {
@@ -1815,11 +1815,10 @@ Logging in with Google... Restarting Gemini CLI to continue.
         toggleLastTurnTools();
 
         // Force layout refresh after a short delay to allow the terminal layout to settle.
-        // This prevents the "blank screen" issue by ensuring Ink re-measures after
-        // any async subview updates are complete.
+        // Minimize "blank screen" issue after any async subview updates are complete.
         setTimeout(() => {
           refreshStatic();
-        }, 500);
+        }, 250);
 
         return true;
       } else if (

packages/cli/src/ui/components/MainContent.tsx

@@ -88,7 +88,6 @@ export const MainContent = () => {
     () =>
       augmentedHistory.map(
         ({ item, isExpandable, isFirstThinking, isFirstAfterThinking }) => (
-          // ({ item, isExpandable, isFirstThinking, /* isFirstAfterThinking */ }) => (
           <MemoizedHistoryItemDisplay
             terminalWidth={mainAreaWidth}
             availableTerminalHeight={

packages/cli/src/ui/hooks/useGeminiStream.ts

@@ -635,9 +635,6 @@ export const useGeminiStream = (
       return true;
     };
 
-    const anyVisibleInHistory = pushedToolCallIds.size > 0;
-    const anyVisibleInPending = remainingTools.some(isToolVisible);
-
     let lastVisibleIsCompact = false;
     const isCompactModeEnabled = settings.merged.ui?.compactToolOutput === true;
     for (let i = toolCalls.length - 1; i >= 0; i--) {
@@ -653,7 +650,7 @@ export const useGeminiStream = (
     if (
       toolCalls.length > 0 &&
       !(allTerminal && allPushed) &&
-      (anyVisibleInHistory || anyVisibleInPending) &&
+      toolCalls.some(isToolVisible) &&
       !lastVisibleIsCompact
     ) {
       items.push({