diff --git a/src/app/main/appMaintenance.ts b/src/app/main/appMaintenance.ts
index 1ab9258..d100c8a 100644
--- a/src/app/main/appMaintenance.ts
+++ b/src/app/main/appMaintenance.ts
@@ -10,8 +10,22 @@ const PRESERVED_LOCAL_STORAGE_KEYS = new Set([
   NOTIFICATION_DEVICE_ID_STORAGE_KEY,
 ]);
 
-const APP_LOCAL_STORAGE_PREFIXES = ['work-', 'main-chat-panel:', 'gps-layer:', 'ai-code-app:'] as const;
-const APP_SESSION_STORAGE_PREFIXES = ['work-', 'main-chat-panel:', 'gps-layer:', 'ai-code-app.'] as const;
+const APP_LOCAL_STORAGE_PREFIXES = [
+  'work-',
+  'main-chat-panel:',
+  'gps-layer:',
+  'ai-code-app:',
+  'codex-live-share-',
+  'chat-share-page:',
+] as const;
+const APP_SESSION_STORAGE_PREFIXES = [
+  'work-',
+  'main-chat-panel:',
+  'gps-layer:',
+  'ai-code-app.',
+  'codex-live-share-',
+  'chat-share-page:',
+] as const;
 
 export type ClientResetSummary = {
   removedLocalStorageKeys: string[];
diff --git a/src/app/main/pages/ChatSharePage.tsx b/src/app/main/pages/ChatSharePage.tsx
index 139305a..0cb47bf 100644
--- a/src/app/main/pages/ChatSharePage.tsx
+++ b/src/app/main/pages/ChatSharePage.tsx
@@ -66,6 +66,7 @@ import { buildChatPath, buildPlayAppPath } from '../routes';
 import type { PreviewKind } from '../mainChatPanel/previewKind';
 import { normalizeChatResourceUrl } from '../mainChatPanel/chatResourceUrl';
 import { forceReloadApp } from '../appUpdate';
+import { resetNonAuthClientState } from '../appMaintenance';
 import type {
   ChatComposerAttachment,
   ChatConversationSummary,
@@ -5641,7 +5642,10 @@ export function ChatSharePage() {
       return;
     }
 
-    void forceReloadApp();
+    void (async () => {
+      await resetNonAuthClientState();
+      await forceReloadApp();
+    })();
   }, []);
 
   const handleReloadProgram = useCallback(() => {
@@ -6007,6 +6011,10 @@ export function ChatSharePage() {
       return;
     }
 
+    if (!snapshot || snapshot.detailLevel === 'initial') {
+      return;
+    }
+
     if (shareRooms.some((room) => room.sessionId === requestedRoomSessionId)) {
       return;
     }
@@ -6017,7 +6025,7 @@ export function ChatSharePage() {
     requestedRoomSessionIdRef.current = fallbackRoomSessionId;
     writeStoredShareLastRoomSessionId(normalizedToken, fallbackRoomSessionId || null);
     setRequestedRoomSessionId(fallbackRoomSessionId);
-  }, [activeShareRoomSessionId, normalizedToken, requestedRoomSessionId, shareRooms]);
+  }, [activeShareRoomSessionId, normalizedToken, requestedRoomSessionId, shareRooms, snapshot]);
   useEffect(() => {
     if (!normalizedToken) {
       return;
@@ -8751,7 +8759,9 @@ export function ChatSharePage() {
         label: (
           <span className="chat-share-page__settings-item">
             <span className="chat-share-page__settings-item-title">강력 새로고침</span>
-            <span className="chat-share-page__settings-item-description">서비스워커와 캐시를 정리한 뒤 현재 공유채팅방 화면을 다시 불러옵니다.</span>
+            <span className="chat-share-page__settings-item-description">
+              서비스워커, 캐시, 공유채팅 임시 저장 상태를 정리한 뒤 현재 공유채팅방 화면을 다시 불러옵니다.
+            </span>
           </span>
         ),
         icon: <ReloadOutlined />,