diff --git a/packages/ui/src/components/chat/ChatContainer.tsx b/packages/ui/src/components/chat/ChatContainer.tsx
index 4a5cf80b..cd202f93 100644
--- a/packages/ui/src/components/chat/ChatContainer.tsx
+++ b/packages/ui/src/components/chat/ChatContainer.tsx
@@ -14,6 +14,7 @@ import ScrollToBottomButton from './components/ScrollToBottomButton';
 import { ScrollShadow } from '@/components/ui/ScrollShadow';
 import { useChatScrollManager, type AnimationHandlers, type ContentChangeReason } from '@/hooks/useChatScrollManager';
 import { useChatTimelineController } from './hooks/useChatTimelineController';
+import { TimelineDialog } from './TimelineDialog';
 import { useChatTurnNavigation } from './hooks/useChatTurnNavigation';
 import { useDeviceInfo } from '@/lib/device';
 import { Button } from '@/components/ui/button';
@@ -342,6 +343,8 @@ export const ChatContainer: React.FC = () => {
     const isExpandedInput = useUIStore((state) => state.isExpandedInput);
     const stickyUserHeader = useUIStore((state) => state.stickyUserHeader);
     const chatRenderMode = useUIStore((state) => state.chatRenderMode);
+    const isTimelineDialogOpen = useUIStore((s) => s.isTimelineDialogOpen);
+    const setTimelineDialogOpen = useUIStore((s) => s.setTimelineDialogOpen);
 
     // Streaming state
     const streamingMessageId = useStreamingStore(
@@ -958,19 +961,27 @@ export const ChatContainer: React.FC = () => {
             <div
                 className={cn(
                     'relative z-10',
-					isDesktopExpandedInput
-						? 'flex-1 min-h-0 bg-background'
-						: 'bg-background'
-				)}
-			>
-				{!isDesktopExpandedInput && sessionMessages.length > 0 && (
-					<ScrollToBottomButton
+                    isDesktopExpandedInput
+                        ? 'flex-1 min-h-0 bg-background'
+                        : 'bg-background'
+                )}
+            >
+                {!isDesktopExpandedInput && sessionMessages.length > 0 && (
+                    <ScrollToBottomButton
                         visible={timelineController.showScrollToBottom}
                         onClick={navigation.resumeToLatest}
                     />
                 )}
                 <ChatInput scrollToBottom={resumeToLatestInstant} />
             </div>
+
+            <TimelineDialog
+                open={isTimelineDialogOpen}
+                onOpenChange={setTimelineDialogOpen}
+                onScrollToMessage={timelineController.scrollToMessage}
+                onScrollByTurnOffset={navigation.scrollByTurnOffset}
+                onResumeToLatest={resumeToLatestInstant}
+            />
         </div>
     );
 };
diff --git a/packages/ui/src/components/chat/ChatInput.tsx b/packages/ui/src/components/chat/ChatInput.tsx
index 54a2f420..25998fc3 100644
--- a/packages/ui/src/components/chat/ChatInput.tsx
+++ b/packages/ui/src/components/chat/ChatInput.tsx
@@ -799,6 +799,7 @@ const ChatInputComponent: React.FC<ChatInputProps> = ({ onOpenSettings, scrollTo
     const inputSpellcheckEnabled = useUIStore((state) => state.inputSpellcheckEnabled);
     const isExpandedInput = useUIStore((state) => state.isExpandedInput);
     const setExpandedInput = useUIStore((state) => state.setExpandedInput);
+    const setTimelineDialogOpen = useUIStore((state) => state.setTimelineDialogOpen);
     const { git: runtimeGit } = useRuntimeAPIs();
     const { currentTheme } = useThemeSystem();
     const chatSearchDirectory = useChatSearchDirectory();
@@ -1494,6 +1495,10 @@ const ChatInputComponent: React.FC<ChatInputProps> = ({ onOpenSettings, scrollTo
                 scrollToBottom?.({ instant: true, force: true });
                 return;
             }
+            else if (commandName === 'timeline' && currentSessionId) {
+                setTimelineDialogOpen(true);
+                return;
+            }
             else if (commandName === 'compact' && currentSessionId) {
                 try {
                     await sessionActions.waitForConnectionOrThrow();
diff --git a/packages/ui/src/components/chat/CommandAutocomplete.tsx b/packages/ui/src/components/chat/CommandAutocomplete.tsx
index 1430f6c7..0b9625fc 100644
--- a/packages/ui/src/components/chat/CommandAutocomplete.tsx
+++ b/packages/ui/src/components/chat/CommandAutocomplete.tsx
@@ -1,5 +1,5 @@
 import React from 'react';
-import { RiCommandLine, RiFileLine, RiFlashlightLine, RiRefreshLine, RiScissorsLine, RiTerminalBoxLine, RiArrowGoBackLine, RiArrowGoForwardLine, RiSearchEyeLine } from '@remixicon/react';
+import { RiCommandLine, RiFileLine, RiFlashlightLine, RiRefreshLine, RiScissorsLine, RiTerminalBoxLine, RiArrowGoBackLine, RiArrowGoForwardLine, RiSearchEyeLine, RiTimeLine } from '@remixicon/react';
 import { cn, fuzzyMatch } from '@/lib/utils';
 import { useSessionUIStore } from '@/sync/session-ui-store';
 import { useSessionMessages } from '@/sync/sync-context';
@@ -120,6 +120,7 @@ export const CommandAutocomplete = React.forwardRef<CommandAutocompleteHandle, C
             ? [
                 { id: 'openchamber:undo', name: 'undo', source: 'openchamber' as const, description: t('chat.commandAutocomplete.command.undoDescription'), isBuiltIn: true },
                 { id: 'openchamber:redo', name: 'redo', source: 'openchamber' as const, description: t('chat.commandAutocomplete.command.redoDescription'), isBuiltIn: true },
+                { id: 'openchamber:timeline', name: 'timeline', source: 'openchamber' as const, description: t('chat.commandAutocomplete.command.timelineDescription'), isBuiltIn: true },
               ]
             : []
           ),
@@ -164,6 +165,7 @@ export const CommandAutocomplete = React.forwardRef<CommandAutocompleteHandle, C
             ? [
                 { id: 'openchamber:undo', name: 'undo', source: 'openchamber' as const, description: t('chat.commandAutocomplete.command.undoDescription'), isBuiltIn: true },
                 { id: 'openchamber:redo', name: 'redo', source: 'openchamber' as const, description: t('chat.commandAutocomplete.command.redoDescription'), isBuiltIn: true },
+                { id: 'openchamber:timeline', name: 'timeline', source: 'openchamber' as const, description: t('chat.commandAutocomplete.command.timelineDescription'), isBuiltIn: true },
               ]
             : []
           ),
@@ -246,6 +248,8 @@ export const CommandAutocomplete = React.forwardRef<CommandAutocompleteHandle, C
         return <RiArrowGoBackLine className="h-3.5 w-3.5 text-orange-500" />;
       case 'redo':
         return <RiArrowGoForwardLine className="h-3.5 w-3.5 text-orange-500" />;
+      case 'timeline':
+        return <RiTimeLine className="h-3.5 w-3.5" />;
       case 'compact':
         return <RiScissorsLine className="h-3.5 w-3.5 text-purple-500" />;
       case 'review':
diff --git a/packages/ui/src/components/chat/TimelineDialog.tsx b/packages/ui/src/components/chat/TimelineDialog.tsx
index c492a3f3..6790b631 100644
--- a/packages/ui/src/components/chat/TimelineDialog.tsx
+++ b/packages/ui/src/components/chat/TimelineDialog.tsx
@@ -41,6 +41,8 @@ export const TimelineDialog: React.FC<TimelineDialogProps> = ({
 
     const [forkingMessageId, setForkingMessageId] = React.useState<string | null>(null);
     const [searchQuery, setSearchQuery] = React.useState('');
+    const [selectedIndex, setSelectedIndex] = React.useState(0);
+    const itemRefs = React.useRef<(HTMLDivElement | null)[]>([]);
 
     const formatRelativeTime = React.useCallback((timestamp: number): string => {
         const now = Date.now();
@@ -57,23 +59,79 @@ export const TimelineDialog: React.FC<TimelineDialogProps> = ({
         return new Date(timestamp).toLocaleDateString();
     }, [t]);
 
-    // Filter user messages (reversed for newest first)
+    // Timeline actions are only valid for user messages.
     const userMessages = React.useMemo(() => {
-        const filtered = messages.filter(m => m.info.role === 'user');
-        return filtered.reverse();
+        return messages
+            .filter((message) => message.info.role === 'user')
+            .map((message, index) => ({
+                message,
+                messageNumber: index + 1,
+            }))
+            .reverse();
     }, [messages]);
 
-    // Filter by search query
+    // Filter by search query using all text parts in each user message.
     const filteredMessages = React.useMemo(() => {
-        if (!searchQuery.trim()) return userMessages;
+        const trimmedQuery = searchQuery.trim();
+        if (!trimmedQuery) return userMessages;
 
-        const query = searchQuery.toLowerCase();
-        return userMessages.filter((message) => {
-            const preview = getMessagePreview(message.parts).toLowerCase();
-            return preview.includes(query);
+        const query = trimmedQuery.toLowerCase();
+        return userMessages.filter(({ message }) => {
+            const fullText = getFullText(message.parts).toLowerCase();
+            return fullText.includes(query);
         });
     }, [userMessages, searchQuery]);
 
+    React.useEffect(() => {
+        setSelectedIndex(0);
+    }, [filteredMessages]);
+
+    React.useEffect(() => {
+        itemRefs.current = itemRefs.current.slice(0, filteredMessages.length);
+    }, [filteredMessages.length]);
+
+    React.useEffect(() => {
+        itemRefs.current[selectedIndex]?.scrollIntoView({
+            block: 'nearest',
+        });
+    }, [selectedIndex]);
+
+    const navigateToMessage = React.useCallback(async (messageId: string) => {
+        const didNavigate = await onScrollToMessage?.(messageId);
+        if (didNavigate === false) {
+            return;
+        }
+        onOpenChange(false);
+    }, [onOpenChange, onScrollToMessage]);
+
+    const handleSearchKeyDown = React.useCallback((event: React.KeyboardEvent<HTMLInputElement>) => {
+        const total = filteredMessages.length;
+        if (total === 0) {
+            return;
+        }
+
+        if (event.key === 'ArrowDown') {
+            event.preventDefault();
+            setSelectedIndex((current) => (current + 1) % total);
+            return;
+        }
+
+        if (event.key === 'ArrowUp') {
+            event.preventDefault();
+            setSelectedIndex((current) => (current - 1 + total) % total);
+            return;
+        }
+
+        if (event.key === 'Enter') {
+            event.preventDefault();
+            const safeIndex = ((selectedIndex % total) + total) % total;
+            const selected = filteredMessages[safeIndex];
+            if (selected) {
+                void navigateToMessage(selected.message.info.id);
+            }
+        }
+    }, [filteredMessages, navigateToMessage, selectedIndex]);
+
     // Handle fork with loading state and session refresh
     const handleFork = async (messageId: string) => {
         if (!currentSessionId) return;
@@ -104,9 +162,11 @@ export const TimelineDialog: React.FC<TimelineDialogProps> = ({
                 <div className="relative mt-2">
                     <RiSearchLine className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
                     <Input
+                        autoFocus
                         placeholder={t('chat.timeline.searchPlaceholder')}
                         value={searchQuery}
                         onChange={(e) => setSearchQuery(e.target.value)}
+                        onKeyDown={handleSearchKeyDown}
                         className="pl-9 w-full"
                     />
                 </div>
@@ -117,34 +177,49 @@ export const TimelineDialog: React.FC<TimelineDialogProps> = ({
                             {searchQuery ? t('chat.timeline.empty.search') : t('chat.timeline.empty.session')}
                         </div>
                     ) : (
-                        filteredMessages.map((message) => {
+                        filteredMessages.map(({ message, messageNumber }, index) => {
                             const preview = getMessagePreview(message.parts);
                             const timestamp = message.info.time.created;
                             const relativeTime = formatRelativeTime(timestamp);
-                            const messageNumber = userMessages.length - userMessages.indexOf(message);
+                            const isSelected = index === selectedIndex;
+
+                            const snippet = searchQuery.trim()
+                                ? getSearchSnippet(getFullText(message.parts), searchQuery)
+                                : null;
 
                             return (
                                 <div
                                     key={message.info.id}
-                                    className="group flex items-center gap-2 py-1.5 hover:bg-interactive-hover/30 rounded transition-colors cursor-pointer"
-                                    onClick={async () => {
-                                        const didNavigate = await onScrollToMessage?.(message.info.id);
-                                        if (didNavigate === false) {
-                                            return;
-                                        }
-                                        onOpenChange(false);
+                                    ref={(element) => {
+                                        itemRefs.current[index] = element;
                                     }}
+                                    className={cn(
+                                        "group flex items-center gap-2 py-1.5 hover:bg-interactive-hover/30 rounded transition-colors cursor-pointer",
+                                        isSelected && "bg-interactive-selection text-interactive-selection-foreground"
+                                    )}
+                                    onClick={() => void navigateToMessage(message.info.id)}
+                                    onMouseEnter={() => setSelectedIndex(index)}
                                 >
-                                    <span className="typography-meta text-muted-foreground w-5 text-right flex-shrink-0">
+                                    <span className={cn(
+                                        "typography-meta w-5 text-right flex-shrink-0",
+                                        isSelected ? "text-interactive-selection-foreground/70" : "text-muted-foreground"
+                                    )}>
                                         {messageNumber}.
                                     </span>
-                                    <p className="flex-1 min-w-0 typography-small text-foreground truncate ml-0.5">
-                                        {preview || t('chat.timeline.noTextContent')}
-                                        {preview && preview.length >= 80 && '…'}
+                                    <p className={cn(
+                                        "flex-1 min-w-0 typography-small truncate ml-0.5",
+                                        isSelected ? "text-interactive-selection-foreground" : "text-foreground"
+                                    )}>
+                                        {snippet ?? (preview || t('chat.timeline.noTextContent'))}
+                                        {!snippet && preview && preview.length >= 80 && '…'}
                                     </p>
 
                                     <div className="flex-shrink-0 h-5 flex items-center mr-2">
-                                        <span className={cn("typography-meta text-muted-foreground whitespace-nowrap", alwaysShowActions ? "hidden" : "group-hover:hidden")}>
+                                        <span className={cn(
+                                            "typography-meta whitespace-nowrap",
+                                            isSelected ? "text-interactive-selection-foreground/70" : "text-muted-foreground",
+                                            alwaysShowActions ? "hidden" : "group-hover:hidden"
+                                        )}>
                                             {relativeTime}
                                         </span>
 
@@ -238,8 +313,26 @@ export const TimelineDialog: React.FC<TimelineDialogProps> = ({
     );
 };
 
-function getMessagePreview(parts: Part[]): string {
-    const textPart = parts.find(p => p.type === 'text');
-    if (!textPart || typeof textPart.text !== 'string') return '';
-    return textPart.text.replace(/\n/g, ' ').slice(0, 80);
+function getFullText(parts: Part[]): string {
+    return parts
+        .filter((p): p is Part & { type: 'text'; text: string } => p.type === 'text' && typeof p.text === 'string')
+        .map((p) => p.text)
+        .join('\n');
+}
+
+function getMessagePreview(parts: Part[]): string {
+    const full = getFullText(parts);
+    const singleLine = full.replace(/\n/g, ' ');
+    return singleLine.length > 80 ? singleLine.slice(0, 80) : singleLine;
+}
+
+function getSearchSnippet(text: string, query: string, contextChars: number = 30): string | null {
+    const lowerText = text.toLowerCase();
+    const lowerQuery = query.toLowerCase();
+    const matchIndex = lowerText.indexOf(lowerQuery);
+    if (matchIndex === -1) return null;
+
+    const start = Math.max(0, matchIndex - contextChars);
+    const end = Math.min(text.length, matchIndex + query.length + contextChars);
+    return `${start > 0 ? '…' : ''}${text.slice(start, end).replace(/\n/g, ' ')}${end < text.length ? '…' : ''}`;
 }
diff --git a/packages/ui/src/hooks/useKeyboardShortcuts.ts b/packages/ui/src/hooks/useKeyboardShortcuts.ts
index bb633088..187a5d29 100644
--- a/packages/ui/src/hooks/useKeyboardShortcuts.ts
+++ b/packages/ui/src/hooks/useKeyboardShortcuts.ts
@@ -30,6 +30,7 @@ export const useKeyboardShortcuts = () => {
   const setActiveMainTab = useUIStore((s) => s.setActiveMainTab);
   const setSettingsDialogOpen = useUIStore((s) => s.setSettingsDialogOpen);
   const setModelSelectorOpen = useUIStore((s) => s.setModelSelectorOpen);
+  const setTimelineDialogOpen = useUIStore((s) => s.setTimelineDialogOpen);
   const toggleExpandedInput = useUIStore((s) => s.toggleExpandedInput);
   const shortcutOverrides = useUIStore((s) => s.shortcutOverrides);
   const { themeMode, setThemeMode } = useThemeSystem();
@@ -61,6 +62,12 @@ export const useKeyboardShortcuts = () => {
         return;
       }
 
+      if (eventMatchesShortcut(e, combo('open_timeline_dialog'))) {
+        e.preventDefault();
+        setTimelineDialogOpen(true);
+        return;
+      }
+
       if (eventMatchesShortcut(e, combo('open_status'))) {
         e.preventDefault();
         void showOpenCodeStatus();
@@ -430,6 +437,7 @@ export const useKeyboardShortcuts = () => {
     setActiveMainTab,
     setSettingsDialogOpen,
     setModelSelectorOpen,
+    setTimelineDialogOpen,
     toggleExpandedInput,
     setThemeMode,
     working,
diff --git a/packages/ui/src/lib/i18n/messages/en.settings.ts b/packages/ui/src/lib/i18n/messages/en.settings.ts
index ed8837d7..2d69d411 100644
--- a/packages/ui/src/lib/i18n/messages/en.settings.ts
+++ b/packages/ui/src/lib/i18n/messages/en.settings.ts
@@ -761,6 +761,7 @@ export const settingsDict = {
   'settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_forward.label': 'Cycle favorite model forward',
   'settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_backward.label': 'Cycle favorite model backward',
   'settings.openchamber.keyboardShortcuts.action.expand_input.label': 'Expand input',
+  'settings.openchamber.keyboardShortcuts.action.open_timeline_dialog.label': 'Open conversation timeline',
   'settings.projects.sidebar.total': 'Total {count}',
   'settings.projects.sidebar.actions.addProject': 'Add project',
   'settings.projects.page.empty.noProjects': 'No projects available.',
diff --git a/packages/ui/src/lib/i18n/messages/en.ts b/packages/ui/src/lib/i18n/messages/en.ts
index f61b0e0f..7602f560 100644
--- a/packages/ui/src/lib/i18n/messages/en.ts
+++ b/packages/ui/src/lib/i18n/messages/en.ts
@@ -1331,6 +1331,7 @@ export const dict = {
   'chat.commandAutocomplete.command.initDescription': 'Create/update AGENTS.md file',
   'chat.commandAutocomplete.command.undoDescription': 'Undo the last message',
   'chat.commandAutocomplete.command.redoDescription': 'Redo previously undone messages',
+  'chat.commandAutocomplete.command.timelineDescription': 'Open the conversation timeline',
   'chat.commandAutocomplete.command.compactDescription': 'Compress session history using AI to reduce context size',
   'chat.commandAutocomplete.command.summaryDescription': 'Non-destructive session summary. Optional topic hint after the command.',
   'chat.commandAutocomplete.command.workspaceReviewDescription': 'Review current workspace changes for high-signal issues only.',
diff --git a/packages/ui/src/lib/i18n/messages/es.settings.ts b/packages/ui/src/lib/i18n/messages/es.settings.ts
index 88a27450..2f6686a3 100644
--- a/packages/ui/src/lib/i18n/messages/es.settings.ts
+++ b/packages/ui/src/lib/i18n/messages/es.settings.ts
@@ -761,6 +761,7 @@ export const settingsDict = {
   "settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_forward.label": "Siguiente modelo favorito",
   "settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_backward.label": "Modelo favorito anterior",
   "settings.openchamber.keyboardShortcuts.action.expand_input.label": "Expandir entrada",
+  "settings.openchamber.keyboardShortcuts.action.open_timeline_dialog.label": "Abrir línea de tiempo de conversación",
   "settings.projects.sidebar.total": "Total {count}",
   "settings.projects.sidebar.actions.addProject": "Añadir proyecto",
   "settings.projects.page.empty.noProjects": "No hay proyectos disponibles.",
diff --git a/packages/ui/src/lib/i18n/messages/es.ts b/packages/ui/src/lib/i18n/messages/es.ts
index d8f35860..9e52bbfd 100644
--- a/packages/ui/src/lib/i18n/messages/es.ts
+++ b/packages/ui/src/lib/i18n/messages/es.ts
@@ -1297,6 +1297,7 @@ export const dict: Record<I18nKey, string> = {
   "chat.commandAutocomplete.command.initDescription": "Crear/actualizar el archivo AGENTS.md",
   "chat.commandAutocomplete.command.undoDescription": "Deshacer el último mensaje",
   "chat.commandAutocomplete.command.redoDescription": "Rehacer mensajes previamente deshechos",
+  "chat.commandAutocomplete.command.timelineDescription": "Abrir la línea de tiempo de la conversación",
   "chat.commandAutocomplete.command.compactDescription": "Comprimir el historial de la sesión usando IA para reducir el tamaño del contexto",
   "chat.commandAutocomplete.command.summaryDescription": "Resumen no destructivo de la sesión. Pista opcional del tema después del comando.",
   "chat.commandAutocomplete.command.workspaceReviewDescription": "Revisar los cambios actuales del espacio de trabajo solo para problemas de alto impacto.",
diff --git a/packages/ui/src/lib/i18n/messages/ko.settings.ts b/packages/ui/src/lib/i18n/messages/ko.settings.ts
index 7fc8df21..38703777 100644
--- a/packages/ui/src/lib/i18n/messages/ko.settings.ts
+++ b/packages/ui/src/lib/i18n/messages/ko.settings.ts
@@ -761,6 +761,7 @@ export const settingsDict = {
   'settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_forward.label': '즐겨찾기 모델 앞으로 순환',
   'settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_backward.label': '즐겨찾기 모델 뒤로 순환',
   'settings.openchamber.keyboardShortcuts.action.expand_input.label': '입력 확장',
+  'settings.openchamber.keyboardShortcuts.action.open_timeline_dialog.label': '대화 타임라인 열기',
   'settings.projects.sidebar.total': '총 {count}개',
   'settings.projects.sidebar.actions.addProject': '프로젝트 추가',
   'settings.projects.page.empty.noProjects': '사용 가능한 프로젝트가 없습니다.',
diff --git a/packages/ui/src/lib/i18n/messages/ko.ts b/packages/ui/src/lib/i18n/messages/ko.ts
index 8fa81700..fd061ff3 100644
--- a/packages/ui/src/lib/i18n/messages/ko.ts
+++ b/packages/ui/src/lib/i18n/messages/ko.ts
@@ -1333,6 +1333,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.commandAutocomplete.command.initDescription': 'AGENTS.md 파일 생성/업데이트',
   'chat.commandAutocomplete.command.undoDescription': '마지막 메시지 실행 취소',
   'chat.commandAutocomplete.command.redoDescription': '이전에 실행 취소한 메시지 다시 실행',
+  'chat.commandAutocomplete.command.timelineDescription': '대화 타임라인 열기',
   'chat.commandAutocomplete.command.compactDescription': 'AI로 세션 기록을 압축해 컨텍스트 크기를 줄입니다',
   'chat.commandAutocomplete.command.summaryDescription': '세션 기록을 안전하게 요약합니다. 명령 뒤에 선택적으로 주제 힌트를 넣을 수 있습니다.',
   'chat.commandAutocomplete.command.workspaceReviewDescription': '현재 워크스페이스 변경 사항에서 중요한 이슈만 리뷰합니다.',
diff --git a/packages/ui/src/lib/i18n/messages/pt-BR.settings.ts b/packages/ui/src/lib/i18n/messages/pt-BR.settings.ts
index e280bd8c..c57b4212 100644
--- a/packages/ui/src/lib/i18n/messages/pt-BR.settings.ts
+++ b/packages/ui/src/lib/i18n/messages/pt-BR.settings.ts
@@ -761,6 +761,7 @@ export const settingsDict = {
   "settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_forward.label": "Próximo modelo favorito",
   "settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_backward.label": "Modelo favorito anterior",
   "settings.openchamber.keyboardShortcuts.action.expand_input.label": "Expandir entrada",
+  "settings.openchamber.keyboardShortcuts.action.open_timeline_dialog.label": "Abrir linha do tempo da conversa",
   "settings.projects.sidebar.total": "Total {count}",
   "settings.projects.sidebar.actions.addProject": "Adicionar projeto",
   "settings.projects.page.empty.noProjects": "Não há projetos disponíveis.",
diff --git a/packages/ui/src/lib/i18n/messages/pt-BR.ts b/packages/ui/src/lib/i18n/messages/pt-BR.ts
index 3e400d79..ce4d969a 100644
--- a/packages/ui/src/lib/i18n/messages/pt-BR.ts
+++ b/packages/ui/src/lib/i18n/messages/pt-BR.ts
@@ -1297,6 +1297,7 @@ export const dict: Record<I18nKey, string> = {
   "chat.commandAutocomplete.command.initDescription": "Criar/atualizar o arquivo AGENTS.md",
   "chat.commandAutocomplete.command.undoDescription": "Desfazer a última mensagem",
   "chat.commandAutocomplete.command.redoDescription": "Refazer mensagens desfeitas anteriormente",
+  "chat.commandAutocomplete.command.timelineDescription": "Abrir a linha do tempo da conversa",
   "chat.commandAutocomplete.command.compactDescription": "Comprimir o histórico da sessão usando IA para reduzir o tamanho do contexto",
   "chat.commandAutocomplete.command.summaryDescription": "Resumo não destrutivo da sessão. Dica opcional do tema após o comando.",
   "chat.commandAutocomplete.command.workspaceReviewDescription": "Revisar as alterações atuais do workspace apenas para problemas de alto impacto.",
diff --git a/packages/ui/src/lib/i18n/messages/uk.settings.ts b/packages/ui/src/lib/i18n/messages/uk.settings.ts
index 00b058c7..24e253b8 100644
--- a/packages/ui/src/lib/i18n/messages/uk.settings.ts
+++ b/packages/ui/src/lib/i18n/messages/uk.settings.ts
@@ -761,6 +761,7 @@ export const settingsDict = {
   "settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_forward.label": "Перемкнути улюблену модель вперед",
   "settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_backward.label": "Перемкнути улюблену модель назад",
   "settings.openchamber.keyboardShortcuts.action.expand_input.label": "Розгорнути введення",
+  "settings.openchamber.keyboardShortcuts.action.open_timeline_dialog.label": "Відкрити хронологію розмови",
   "settings.projects.sidebar.total": "Усього {count}",
   "settings.projects.sidebar.actions.addProject": "Додати проєкт",
   "settings.projects.page.empty.noProjects": "Немає доступних проєктів.",
diff --git a/packages/ui/src/lib/i18n/messages/uk.ts b/packages/ui/src/lib/i18n/messages/uk.ts
index f5a32f2f..2583ce6f 100644
--- a/packages/ui/src/lib/i18n/messages/uk.ts
+++ b/packages/ui/src/lib/i18n/messages/uk.ts
@@ -1297,6 +1297,7 @@ export const dict: Record<I18nKey, string> = {
   "chat.commandAutocomplete.command.initDescription": "Створити або оновити файл AGENTS.md",
   "chat.commandAutocomplete.command.undoDescription": "Скасувати останнє повідомлення",
   "chat.commandAutocomplete.command.redoDescription": "Повторити раніше скасовані повідомлення",
+  "chat.commandAutocomplete.command.timelineDescription": "Відкрити хронологію розмови",
   "chat.commandAutocomplete.command.compactDescription": "Стиснути історію сесії за допомогою ШІ, щоб зменшити розмір контексту",
   "chat.commandAutocomplete.command.summaryDescription": "Неруйнівний підсумок сесії. Після команди можна додати тему.",
   "chat.commandAutocomplete.command.workspaceReviewDescription": "Перегляньте поточні зміни в робочому середовищі лише для проблем із сильним сигналом.",
diff --git a/packages/ui/src/lib/i18n/messages/zh-CN.settings.ts b/packages/ui/src/lib/i18n/messages/zh-CN.settings.ts
index b934be67..2ea0879c 100644
--- a/packages/ui/src/lib/i18n/messages/zh-CN.settings.ts
+++ b/packages/ui/src/lib/i18n/messages/zh-CN.settings.ts
@@ -761,6 +761,7 @@ export const settingsDict = {
   'settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_forward.label': '向前轮换收藏模型',
   'settings.openchamber.keyboardShortcuts.action.cycle_favorite_model_backward.label': '向后轮换收藏模型',
   'settings.openchamber.keyboardShortcuts.action.expand_input.label': '展开输入框',
+  'settings.openchamber.keyboardShortcuts.action.open_timeline_dialog.label': '打开对话时间线',
   'settings.projects.sidebar.total': '总计 {count}',
   'settings.projects.sidebar.actions.addProject': '添加项目',
   'settings.projects.page.empty.noProjects': '暂无项目。',
diff --git a/packages/ui/src/lib/i18n/messages/zh-CN.ts b/packages/ui/src/lib/i18n/messages/zh-CN.ts
index 5183712a..7ceb5c0a 100644
--- a/packages/ui/src/lib/i18n/messages/zh-CN.ts
+++ b/packages/ui/src/lib/i18n/messages/zh-CN.ts
@@ -1297,6 +1297,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.commandAutocomplete.command.initDescription': '创建/更新 AGENTS.md 文件',
   'chat.commandAutocomplete.command.undoDescription': '撤销上一条消息',
   'chat.commandAutocomplete.command.redoDescription': '重做之前撤销的消息',
+  'chat.commandAutocomplete.command.timelineDescription': '打开对话时间线',
   'chat.commandAutocomplete.command.compactDescription': '使用 AI 压缩会话历史以减少上下文大小',
   'chat.commandAutocomplete.command.summaryDescription': '非破坏性会话总结。命令后可选填主题提示。',
   'chat.commandAutocomplete.command.workspaceReviewDescription': '仅审查当前工作区中高价值的问题。',
diff --git a/packages/ui/src/lib/shortcuts.ts b/packages/ui/src/lib/shortcuts.ts
index 2e925ade..1cfd764b 100644
--- a/packages/ui/src/lib/shortcuts.ts
+++ b/packages/ui/src/lib/shortcuts.ts
@@ -165,6 +165,13 @@ const SHORTCUT_ACTIONS: ReadonlyArray<ShortcutAction> = [
     description: 'Toggle the session sidebar',
     customizable: true,
   },
+  {
+    id: 'open_timeline_dialog',
+    defaultCombo: 'mod+t',
+    label: 'Open conversation timeline',
+    description: 'Search and navigate within current conversation',
+    customizable: true,
+  },
   {
     id: 'toggle_right_sidebar',
     defaultCombo: 'mod+b',