feat: show changed files after completed turns

Add changed-file pills with per-file diff stats
Add a chat setting to disable the feature fully
Avoid changed-file projection work when disabled

packages/ui/src/components/chat/MessageList.tsx

@@ -685,10 +685,11 @@ const TurnBlock = React.memo(({
             hasTools: turn.hasTools,
             hasReasoning: turn.hasReasoning,
             diffStats: turn.diffStats,
+            changedFiles: turn.changedFiles,
             userMessageCreatedAt: typeof userCreatedAt === 'number' ? userCreatedAt : undefined,
             userMessageVariant,
         };
-    }, [turn.diffStats, turn.hasReasoning, turn.hasTools, turn.headerMessageId, turn.summaryText, turn.turnId, turn.userMessage.info, visibleActivityParts, visibleActivitySegments]);
+    }, [turn.changedFiles, turn.diffStats, turn.hasReasoning, turn.hasTools, turn.headerMessageId, turn.summaryText, turn.turnId, turn.userMessage.info, visibleActivityParts, visibleActivitySegments]);
 
     const renderMessage = React.useCallback(
         (message: ChatMessageEntry) => {
@@ -736,6 +737,7 @@ const TurnBlock = React.memo(({
                         activityGroupSegments: turnGroupingContextBase.activityGroupSegments,
                         headerMessageId: turnGroupingContextBase.headerMessageId,
                         diffStats: turnGroupingContextBase.diffStats,
+                        changedFiles: turnGroupingContextBase.changedFiles,
                         userMessageCreatedAt: turnGroupingContextBase.userMessageCreatedAt,
                         userMessageVariant: turnGroupingContextBase.userMessageVariant,
                         isGroupExpanded: turnUiState.isExpanded,
@@ -1114,6 +1116,7 @@ const MessageList = React.forwardRef<MessageListHandle, MessageListProps>(({
     const stickyUserHeader = useUIStore(state => state.stickyUserHeader);
     const chatRenderMode = useUIStore((state) => state.chatRenderMode);
     const activityRenderMode = useUIStore((state) => state.activityRenderMode);
+    const showTurnChangedFiles = useUIStore((state) => state.showTurnChangedFiles);
     const defaultActivityExpanded = activityRenderMode === 'summary';
     const [turnUiStates, setTurnUiStates] = React.useState<Map<string, TurnUiState>>(() => new Map());
     const userAnimationRef = React.useRef<{
@@ -1212,6 +1215,7 @@ const MessageList = React.forwardRef<MessageListHandle, MessageListProps>(({
     const { projection, staticTurns, streamingTurn } = useTurnRecords(displayMessages, {
         sessionKey,
         showTextJustificationActivity: chatRenderMode === 'sorted',
+        showTurnChangedFiles,
     });
     const hasUngroupedStaticEntries = projection.ungroupedMessageIds.size > 0;
     const staticEntryMessages = hasUngroupedStaticEntries ? displayMessages : EMPTY_STATIC_ENTRY_MESSAGES;

packages/ui/src/components/chat/hooks/useTurnRecords.ts

@@ -6,6 +6,7 @@ import { streamPerfMeasure } from '@/stores/utils/streamDebug';
 interface UseTurnRecordsOptions {
     sessionKey?: string;
     showTextJustificationActivity: boolean;
+    showTurnChangedFiles: boolean;
 }
 
 export interface TurnRecordsResult {
@@ -23,13 +24,16 @@ export const useTurnRecords = (
     const streamingTurnRef = React.useRef<TurnRecord | undefined>(undefined);
     const previousSessionKeyRef = React.useRef<string | undefined>(options.sessionKey);
     const previousShowTextJustificationActivityRef = React.useRef(options.showTextJustificationActivity);
+    const previousShowTurnChangedFilesRef = React.useRef(options.showTurnChangedFiles);
 
     if (
         previousSessionKeyRef.current !== options.sessionKey
         || previousShowTextJustificationActivityRef.current !== options.showTextJustificationActivity
+        || previousShowTurnChangedFilesRef.current !== options.showTurnChangedFiles
     ) {
         previousSessionKeyRef.current = options.sessionKey;
         previousShowTextJustificationActivityRef.current = options.showTextJustificationActivity;
+        previousShowTurnChangedFilesRef.current = options.showTurnChangedFiles;
         previousProjectionRef.current = null;
         staticTurnsRef.current = [];
         streamingTurnRef.current = undefined;
@@ -39,18 +43,19 @@ export const useTurnRecords = (
         previousProjectionRef.current = null;
         staticTurnsRef.current = [];
         streamingTurnRef.current = undefined;
-    }, [options.sessionKey, options.showTextJustificationActivity]);
+    }, [options.sessionKey, options.showTextJustificationActivity, options.showTurnChangedFiles]);
 
     const projection = React.useMemo(() => {
         return streamPerfMeasure('ui.turns.projection_ms', () => {
             const nextProjection = projectTurnRecords(messages, {
                 previousProjection: previousProjectionRef.current,
                 showTextJustificationActivity: options.showTextJustificationActivity,
+                showTurnChangedFiles: options.showTurnChangedFiles,
             });
             previousProjectionRef.current = nextProjection;
             return nextProjection;
         });
-    }, [messages, options.showTextJustificationActivity]);
+    }, [messages, options.showTextJustificationActivity, options.showTurnChangedFiles]);
 
     const staticTurns = React.useMemo(() => {
         const nextStatic = projection.turns.length <= 1

packages/ui/src/components/chat/lib/turns/projectTurnRecords.ts

@@ -1,6 +1,6 @@
 import { projectTurnActivity } from './projectTurnActivity';
 import { projectTurnIndexes } from './projectTurnIndexes';
-import { projectTurnDiffStats, projectTurnSummary } from './projectTurnSummary';
+import { projectTurnChangedFiles, projectTurnDiffStats, projectTurnSummary } from './projectTurnSummary';
 import type {
     ChatMessageEntry,
     TurnMessageRecord,
@@ -83,11 +83,13 @@ const buildTurnStreamState = (userMessage: ChatMessageEntry, assistantMessages:
 interface ProjectTurnRecordsOptions {
     previousProjection?: TurnProjectionResult | null;
     showTextJustificationActivity: boolean;
+    showTurnChangedFiles: boolean;
 }
 
 const DEFAULT_OPTIONS: ProjectTurnRecordsOptions = {
     previousProjection: null,
     showTextJustificationActivity: false,
+    showTurnChangedFiles: false,
 };
 
 const areSameMessageRefs = (left: ChatMessageEntry[], right: ChatMessageEntry[]): boolean => {
@@ -180,6 +182,7 @@ export const projectTurnRecords = (
             hasTools: false,
             hasReasoning: false,
             diffStats: undefined,
+            changedFiles: undefined,
             stream: {
                 isStreaming: false,
                 isRetrying: false,
@@ -215,6 +218,9 @@ export const projectTurnRecords = (
         turn.summary = projectTurnSummary(turn.assistantMessages);
         turn.summaryText = turn.summary.text ?? getUserSummaryBody(turn.userMessage);
         turn.diffStats = projectTurnDiffStats(turn.userMessage);
+        turn.changedFiles = effectiveOptions.showTurnChangedFiles
+            ? projectTurnChangedFiles(turn.userMessage)
+            : undefined;
 
         const activity = projectTurnActivity({
             turnId: turn.turnId,

packages/ui/src/components/chat/lib/turns/projectTurnSummary.ts

@@ -1,6 +1,7 @@
-import type { ChatMessageEntry, TurnDiffStats, TurnSummaryRecord } from './types';
+import type { ChatMessageEntry, TurnChangedFile, TurnDiffStats, TurnSummaryRecord } from './types';
 
 interface SummaryDiff {
+    file?: string | null;
     additions?: number | null;
     deletions?: number | null;
 }
@@ -102,3 +103,31 @@ export const projectTurnDiffStats = (userMessage: ChatMessageEntry): TurnDiffSta
         files,
     };
 };
+
+export const projectTurnChangedFiles = (userMessage: ChatMessageEntry): TurnChangedFile[] | undefined => {
+    const summary = (userMessage.info as { summary?: UserSummaryPayload | null }).summary;
+    const diffs = summary?.diffs;
+    if (!Array.isArray(diffs) || diffs.length === 0) {
+        return undefined;
+    }
+
+    const files = diffs
+        .map((diff) => {
+            if (!diff || typeof diff.file !== 'string' || diff.file.trim().length === 0) {
+                return null;
+            }
+            const additions = typeof diff.additions === 'number' ? diff.additions : 0;
+            const deletions = typeof diff.deletions === 'number' ? diff.deletions : 0;
+            if (additions === 0 && deletions === 0) {
+                return null;
+            }
+            return {
+                file: diff.file,
+                additions,
+                deletions,
+            };
+        })
+        .filter((file): file is TurnChangedFile => file !== null);
+
+    return files.length > 0 ? files : undefined;
+};

packages/ui/src/components/chat/lib/turns/types.ts

@@ -34,6 +34,12 @@ export interface TurnDiffStats {
     files: number;
 }
 
+export interface TurnChangedFile {
+    file: string;
+    additions: number;
+    deletions: number;
+}
+
 export interface TurnActivityGroup {
     id: string;
     anchorMessageId: string;
@@ -70,6 +76,7 @@ export interface TurnRecord {
     hasTools: boolean;
     hasReasoning: boolean;
     diffStats?: TurnDiffStats;
+    changedFiles?: TurnChangedFile[];
     stream: TurnStreamState;
     startedAt?: number;
     completedAt?: number;
@@ -115,6 +122,7 @@ export interface TurnGroupingContext {
     hasTools: boolean;
     hasReasoning: boolean;
     diffStats?: TurnDiffStats;
+    changedFiles?: TurnChangedFile[];
     userMessageCreatedAt?: number;
     userMessageVariant?: string;
     isWorking: boolean;

packages/ui/src/components/chat/message/MessageBody.tsx

@@ -9,7 +9,7 @@ import { MessageFilesDisplay } from '../FileAttachment';
 import { TurnChangedFilesDropdown } from '../TurnChangedFilesDropdown';
 import type { ToolPart as ToolPartType } from '@opencode-ai/sdk/v2';
 import type { StreamPhase, ToolPopupContent, AgentMentionInfo } from './types';
-import type { TurnGroupingContext } from '../lib/turns/types';
+import type { TurnChangedFile, TurnGroupingContext } from '../lib/turns/types';
 import { cn } from '@/lib/utils';
 import { isEmptyTextPart, extractTextContent } from './partUtils';
 import { FadeInOnReveal } from './FadeInOnReveal';
@@ -47,12 +47,50 @@ import { useEffectiveDirectory } from '@/hooks/useEffectiveDirectory';
 import { useI18n } from '@/lib/i18n';
 import { extractLoopbackUrls } from '@/lib/url';
 import { useDeviceInfo } from '@/lib/device';
+import { FileTypeIcon } from '@/components/icons/FileTypeIcon';
 
 
 const CONTAIN_LAYOUT_STYLE = { contain: 'layout' as const, transform: 'translateZ(0)' };
 const MESSAGE_FOOTER_CONTAINER_STYLE = { containerType: 'inline-size' as const, containerName: 'message-footer' };
 const INLINE_MESSAGE_ACTIONS_CLASS_NAME = 'mt-2 mb-1 flex items-center justify-start gap-1.5';
 
+const getDisplayFileName = (file: string): string => {
+    const normalized = file.replace(/\\/g, '/');
+    const segments = normalized.split('/').filter(Boolean);
+    return segments.at(-1) ?? file;
+};
+
+const TurnChangedFilePills = React.memo(({ files }: { files?: TurnChangedFile[] }) => {
+    if (!files || files.length === 0) {
+        return null;
+    }
+
+    return (
+        <>
+            {files.map((file) => {
+                return (
+                    <Tooltip key={file.file}>
+                        <TooltipTrigger asChild>
+                            <span className="inline-flex h-8 max-w-full items-center">
+                                <span className="inline-flex max-w-full items-center gap-1.5 rounded-lg border border-border/30 bg-muted/30 px-2 py-1 text-xs leading-[1.35] text-muted-foreground">
+                                    <FileTypeIcon filePath={file.file} className="h-3.5 w-3.5 flex-shrink-0" />
+                                    <span className="max-w-52 truncate text-foreground/80" title={file.file}>{getDisplayFileName(file.file)}</span>
+                                    <span className="flex-shrink-0 inline-flex items-center gap-0 typography-meta" style={{ fontSize: '0.8rem', lineHeight: '1' }}>
+                                        <span style={{ color: 'var(--status-success)' }}>+{file.additions}</span>
+                                        <span className="text-muted-foreground/70">/</span>
+                                        <span style={{ color: 'var(--status-error)' }}>-{file.deletions}</span>
+                                    </span>
+                                </span>
+                            </span>
+                        </TooltipTrigger>
+                        <TooltipContent>{file.file}</TooltipContent>
+                    </Tooltip>
+                );
+            })}
+        </>
+    );
+});
+
 type SubtaskPartLike = Part & {
     type: 'subtask';
     description?: unknown;
@@ -1918,43 +1956,44 @@ const AssistantMessageBody = React.memo(({
                 )}
                 {shouldShowTurnFooter && (
                     <div
-                        className="mt-2 mb-1 flex items-center justify-start gap-1.5"
+                        className="mt-2 mb-1 flex flex-wrap items-center justify-start gap-1.5"
                         style={MESSAGE_FOOTER_CONTAINER_STYLE}
                     >
                         <div className="flex items-center gap-1.5" data-message-action-group="true">
                             {messageActionButtons}
                             {finalTurnActionButtons}
                         </div>
-                        <div className="flex items-center gap-1.5">
+                        {turnDurationText ? (
-                            {turnDurationText ? (
+                            <Tooltip>
-                                <Tooltip>
+                                <TooltipTrigger asChild>
-                                    <TooltipTrigger asChild>
+                                    <span className="text-sm text-muted-foreground/60 tabular-nums flex items-center gap-1">
-                                        <span className="text-sm text-muted-foreground/60 tabular-nums flex items-center gap-1">
+                                        <Icon name="hourglass" className="h-3.5 w-3.5" />
-                                            <Icon name="hourglass" className="h-3.5 w-3.5" />
+                                        <span className="message-footer__label">{turnDurationText}</span>
-                                            <span className="message-footer__label">{turnDurationText}</span>
+                                    </span>
-                                        </span>
+                                </TooltipTrigger>
-                                    </TooltipTrigger>
+                                <TooltipContent>{turnDurationText}</TooltipContent>
-                                    <TooltipContent>{turnDurationText}</TooltipContent>
+                            </Tooltip>
-                                </Tooltip>
+                        ) : null}
-                            ) : null}
+                        {footerTimestamp ? (
-                            {footerTimestamp ? (
+                            <Tooltip>
-                                <Tooltip>
+                                <TooltipTrigger asChild>
-                                    <TooltipTrigger asChild>
+                                    <span
-                                        <span
+                                        className={footerTimestampClassName}
-                                            className={footerTimestampClassName}
+                                        aria-label={`Message time: ${footerTimestamp}`}
-                                            aria-label={`Message time: ${footerTimestamp}`}
+                                    >
-                                        >
+                                        <Icon name="time" className="h-3.5 w-3.5" />
-                                            <Icon name="time" className="h-3.5 w-3.5" />
+                                        <span className="message-footer__label">{footerTimestamp}</span>
-                                            <span className="message-footer__label">{footerTimestamp}</span>
+                                    </span>
-                                        </span>
+                                </TooltipTrigger>
-                                    </TooltipTrigger>
+                                <TooltipContent>{footerTimestamp}</TooltipContent>
-                                    <TooltipContent>{footerTimestamp}</TooltipContent>
+                            </Tooltip>
-                                </Tooltip>
+                        ) : null}
-                            ) : null}
+                        {!isMiniChatSurface && isLastAssistantInTurn && hasStopFinish ? (
-                            {!isMiniChatSurface && isLastAssistantInTurn && hasStopFinish ? (
+                            <TurnChangedFilesDropdown activityParts={turnGroupingContext?.activityParts} />
-                                <TurnChangedFilesDropdown activityParts={turnGroupingContext?.activityParts} />
+                        ) : null}
-                            ) : null}
+                        {!isMiniChatSurface && isLastAssistantInTurn && hasStopFinish ? (
-                        </div>
+                            <TurnChangedFilePills files={turnGroupingContext?.changedFiles} />
+                        ) : null}
                     </div>
                 )}
 

packages/ui/src/components/chat/message/renderCompare.ts

@@ -1,5 +1,5 @@
 import type { Message, Part } from '@opencode-ai/sdk/v2';
-import type { TurnActivityGroup, TurnActivityRecord, TurnDiffStats, TurnGroupingContext } from '../lib/turns/types';
+import type { TurnActivityGroup, TurnActivityRecord, TurnChangedFile, TurnDiffStats, TurnGroupingContext } from '../lib/turns/types';
 
 type MessageRecord = {
   info: Message;
@@ -146,6 +146,24 @@ const areTurnDiffStatsEqual = (left?: TurnDiffStats, right?: TurnDiffStats): boo
     && left.files === right.files;
 };
 
+const areTurnChangedFilesEqual = (left?: TurnChangedFile[], right?: TurnChangedFile[]): boolean => {
+  if (left === right) return true;
+  if (!left || !right) return !left && !right;
+  if (left.length !== right.length) return false;
+  for (let index = 0; index < left.length; index += 1) {
+    const leftFile = left[index];
+    const rightFile = right[index];
+    if (
+      leftFile.file !== rightFile.file
+      || leftFile.additions !== rightFile.additions
+      || leftFile.deletions !== rightFile.deletions
+    ) {
+      return false;
+    }
+  }
+  return true;
+};
+
 const areTurnActivityRecordsEqual = (left: TurnActivityRecord, right: TurnActivityRecord): boolean => {
   return left.id === right.id
     && left.messageId === right.messageId
@@ -301,5 +319,9 @@ export const areRelevantTurnGroupingContextsEqual = (
     return false;
   }
 
+  if ((ownerRelevant || segmentsRelevant || left.isLastAssistantInTurn || right.isLastAssistantInTurn) && !areTurnChangedFilesEqual(left.changedFiles, right.changedFiles)) {
+    return false;
+  }
+
   return true;
 };

packages/ui/src/components/sections/openchamber/OpenChamberPage.tsx

@@ -142,7 +142,7 @@ const VisualSectionContent: React.FC = () => {
 
 // Chat section: User message rendering, Diff layout, Mobile status bar, Show reasoning traces, Queue mode, Persist draft
 const ChatSectionContent: React.FC = () => {
-    return <OpenChamberVisualSettings visibleSettings={['chatRenderMode', 'messageTransport', 'activityRenderMode', 'userMessageRendering', 'mermaidRendering', 'reasoning', 'showToolFileIcons', 'expandedTools', 'stickyUserHeader', 'wideChatLayout', 'splitAssistantMessageActions', 'diffLayout', 'mobileStatusBar', 'dotfiles', 'fileViewerPreview', 'queueMode', 'persistDraft', 'inputSpellcheck']} />;
+    return <OpenChamberVisualSettings visibleSettings={['chatRenderMode', 'messageTransport', 'activityRenderMode', 'userMessageRendering', 'mermaidRendering', 'reasoning', 'showToolFileIcons', 'showTurnChangedFiles', 'expandedTools', 'stickyUserHeader', 'wideChatLayout', 'splitAssistantMessageActions', 'diffLayout', 'mobileStatusBar', 'dotfiles', 'fileViewerPreview', 'queueMode', 'persistDraft', 'inputSpellcheck']} />;
 };
 
 // Sessions section: Default model & agent, Session retention

packages/ui/src/components/sections/openchamber/OpenChamberVisualSettings.tsx

@@ -247,7 +247,7 @@ const normalizeUserMessageRenderingMode = (mode: unknown): 'markdown' | 'plain'
     return mode === 'markdown' ? 'markdown' : 'plain';
 };
 
-export type VisibleSetting = 'theme' | 'pwaInstallName' | 'pwaOrientation' | 'mobileKeyboardMode' | 'timeFormat' | 'weekStart' | 'fontSize' | 'terminalFontSize' | 'spacing' | 'inputBarOffset' | 'mermaidRendering' | 'userMessageRendering' | 'chatRenderMode' | 'messageTransport' | 'activityRenderMode' | 'stickyUserHeader' | 'wideChatLayout' | 'splitAssistantMessageActions' | 'diffLayout' | 'mobileStatusBar' | 'dotfiles' | 'fileViewerPreview' | 'reasoning' | 'showToolFileIcons' | 'expandedTools' | 'queueMode' | 'terminalQuickKeys' | 'persistDraft' | 'inputSpellcheck' | 'reportUsage';
+export type VisibleSetting = 'theme' | 'pwaInstallName' | 'pwaOrientation' | 'mobileKeyboardMode' | 'timeFormat' | 'weekStart' | 'fontSize' | 'terminalFontSize' | 'spacing' | 'inputBarOffset' | 'mermaidRendering' | 'userMessageRendering' | 'chatRenderMode' | 'messageTransport' | 'activityRenderMode' | 'stickyUserHeader' | 'wideChatLayout' | 'splitAssistantMessageActions' | 'diffLayout' | 'mobileStatusBar' | 'dotfiles' | 'fileViewerPreview' | 'reasoning' | 'showToolFileIcons' | 'showTurnChangedFiles' | 'expandedTools' | 'queueMode' | 'terminalQuickKeys' | 'persistDraft' | 'inputSpellcheck' | 'reportUsage';
 
 interface OpenChamberVisualSettingsProps {
     /** Which settings to show. If undefined, shows all. */
@@ -305,6 +305,8 @@ export const OpenChamberVisualSettings: React.FC<OpenChamberVisualSettingsProps>
     const setInputSpellcheckEnabled = useUIStore(state => state.setInputSpellcheckEnabled);
     const showToolFileIcons = useUIStore(state => state.showToolFileIcons);
     const setShowToolFileIcons = useUIStore(state => state.setShowToolFileIcons);
+    const showTurnChangedFiles = useUIStore(state => state.showTurnChangedFiles);
+    const setShowTurnChangedFiles = useUIStore(state => state.setShowTurnChangedFiles);
     const showExpandedBashTools = useUIStore(state => state.showExpandedBashTools);
     const setShowExpandedBashTools = useUIStore(state => state.setShowExpandedBashTools);
     const showExpandedEditTools = useUIStore(state => state.showExpandedEditTools);
@@ -441,6 +443,11 @@ export const OpenChamberVisualSettings: React.FC<OpenChamberVisualSettingsProps>
         void updateDesktopSettings({ showToolFileIcons: enabled });
     }, [setShowToolFileIcons]);
 
+    const handleShowTurnChangedFilesChange = React.useCallback((enabled: boolean) => {
+        setShowTurnChangedFiles(enabled);
+        void updateDesktopSettings({ showTurnChangedFiles: enabled });
+    }, [setShowTurnChangedFiles]);
+
     const handleFileViewerPreviewChange = React.useCallback((enabled: boolean) => {
         setSettingsDefaultFileViewerPreview(enabled);
         void updateDesktopSettings({ defaultFileViewerPreview: enabled });
@@ -1587,7 +1594,7 @@ export const OpenChamberVisualSettings: React.FC<OpenChamberVisualSettingsProps>
                                 </div>
                             )}
 
-                            {(shouldShow('stickyUserHeader') || shouldShow('wideChatLayout') || shouldShow('splitAssistantMessageActions') || (shouldShow('mobileStatusBar') && isMobile) || shouldShow('dotfiles') || shouldShow('fileViewerPreview') || shouldShow('queueMode') || shouldShow('persistDraft') || shouldShow('showToolFileIcons') || (!isMobile && shouldShow('inputSpellcheck')) || shouldShow('reasoning')) && (
+                            {(shouldShow('stickyUserHeader') || shouldShow('wideChatLayout') || shouldShow('splitAssistantMessageActions') || (shouldShow('mobileStatusBar') && isMobile) || shouldShow('dotfiles') || shouldShow('fileViewerPreview') || shouldShow('queueMode') || shouldShow('persistDraft') || shouldShow('showToolFileIcons') || shouldShow('showTurnChangedFiles') || (!isMobile && shouldShow('inputSpellcheck')) || shouldShow('reasoning')) && (
                                 <section className="p-2 space-y-0.5">
                                     {shouldShow('reasoning') && (
                                         <div
@@ -1737,6 +1744,29 @@ export const OpenChamberVisualSettings: React.FC<OpenChamberVisualSettingsProps>
                                         </div>
                                     )}
 
+                                    {shouldShow('showTurnChangedFiles') && (
+                                        <div
+                                            className="group flex cursor-pointer items-center gap-2 py-0.5"
+                                            role="button"
+                                            tabIndex={0}
+                                            aria-pressed={showTurnChangedFiles}
+                                            onClick={() => handleShowTurnChangedFilesChange(!showTurnChangedFiles)}
+                                            onKeyDown={(event) => {
+                                                if (event.key === ' ' || event.key === 'Enter') {
+                                                    event.preventDefault();
+                                                    handleShowTurnChangedFilesChange(!showTurnChangedFiles);
+                                                }
+                                            }}
+                                        >
+                                            <Checkbox
+                                                checked={showTurnChangedFiles}
+                                                onChange={handleShowTurnChangedFilesChange}
+                                                ariaLabel={t('settings.openchamber.visual.field.showTurnChangedFilesAria')}
+                                            />
+                                            <span className="typography-ui-label text-foreground">{t('settings.openchamber.visual.field.showTurnChangedFiles')}</span>
+                                        </div>
+                                    )}
+
                                     {shouldShow('mobileStatusBar') && isMobile && (
                                         <div
                                             className="group flex cursor-pointer items-center gap-2 py-0.5"

packages/ui/src/lib/api/types.ts

@@ -651,6 +651,7 @@ export interface SettingsPayload {
   showOpenCodeUpdateNotifications?: boolean;
   openCodeUpdateToastDismissedVersion?: string;
   showToolFileIcons?: boolean;
+  showTurnChangedFiles?: boolean;
   showExpandedBashTools?: boolean;
   showExpandedEditTools?: boolean;
   chatRenderMode?: 'sorted' | 'live';

packages/ui/src/lib/desktop.ts

@@ -134,6 +134,7 @@ export type DesktopSettings = {
   showOpenCodeUpdateNotifications?: boolean;
   openCodeUpdateToastDismissedVersion?: string;
   showToolFileIcons?: boolean;
+  showTurnChangedFiles?: boolean;
   showExpandedBashTools?: boolean;
   showExpandedEditTools?: boolean;
   timeFormatPreference?: 'auto' | '12h' | '24h';

packages/ui/src/lib/i18n/messages/en.settings.ts

@@ -1624,6 +1624,8 @@ export const settingsDict = {
   'settings.openchamber.visual.field.showSplitAssistantMessageActionsTooltip': 'Show Copy Answer, Save as image, and Read aloud on assistant text blocks that appear before later tool calls in the same response.',
   'settings.openchamber.visual.field.showToolFileIconsAria': 'Show tool file icons',
   'settings.openchamber.visual.field.showToolFileIcons': 'Show Tool File Icons',
+  'settings.openchamber.visual.field.showTurnChangedFilesAria': 'Show changed files for completed turns',
+  'settings.openchamber.visual.field.showTurnChangedFiles': 'Show Changed Files for Completed Turns',
   'settings.openchamber.visual.field.showMobileStatusBarAria': 'Show mobile status bar',
   'settings.openchamber.visual.field.showMobileStatusBar': 'Show Mobile Status Bar',
   'settings.openchamber.visual.field.showDotfilesAria': 'Show dotfiles',

packages/ui/src/lib/i18n/messages/es.settings.ts

@@ -1591,6 +1591,8 @@ export const settingsDict = {
   "settings.openchamber.visual.field.showSplitAssistantMessageActionsTooltip": "Muestra Copiar respuesta, Guardar como imagen y Leer en voz alta en bloques de texto del asistente que aparecen antes de llamadas a herramientas posteriores dentro de la misma respuesta.",
   "settings.openchamber.visual.field.showToolFileIconsAria": "Mostrar iconos de archivos de herramientas",
   "settings.openchamber.visual.field.showToolFileIcons": "Mostrar iconos de archivos de herramientas",
+  "settings.openchamber.visual.field.showTurnChangedFilesAria": "Mostrar archivos cambiados en turnos completados",
+  "settings.openchamber.visual.field.showTurnChangedFiles": "Mostrar archivos cambiados en turnos completados",
   "settings.openchamber.visual.field.showMobileStatusBarAria": "Mostrar barra de estado móvil",
   "settings.openchamber.visual.field.showMobileStatusBar": "Mostrar barra de estado móvil",
   "settings.openchamber.visual.field.showDotfilesAria": "Mostrar archivos ocultos",

packages/ui/src/lib/i18n/messages/ko.settings.ts

@@ -1591,6 +1591,8 @@ export const settingsDict = {
   'settings.openchamber.visual.field.showSplitAssistantMessageActionsTooltip': '같은 응답에서 이후 도구 호출 앞에 나타나는 어시스턴트 텍스트 블록에 답변 복사, 이미지로 저장, 소리 내어 읽기 작업을 표시합니다.',
   'settings.openchamber.visual.field.showToolFileIconsAria': '도구 파일 아이콘 표시',
   'settings.openchamber.visual.field.showToolFileIcons': '도구 파일 아이콘 표시',
+  'settings.openchamber.visual.field.showTurnChangedFilesAria': '완료된 턴의 변경 파일 표시',
+  'settings.openchamber.visual.field.showTurnChangedFiles': '완료된 턴의 변경 파일 표시',
   'settings.openchamber.visual.field.showMobileStatusBarAria': '모바일 상태 바 표시',
   'settings.openchamber.visual.field.showMobileStatusBar': '모바일 상태 바 표시',
   'settings.openchamber.visual.field.showDotfilesAria': 'Dotfiles 표시',

packages/ui/src/lib/i18n/messages/pl.settings.ts

@@ -937,6 +937,8 @@ export const settingsDict = {
   'settings.openchamber.visual.field.showSplitAssistantMessageActionsTooltip': 'Pokaż Kopiuj odpowiedź, Zapisz jako obraz i Odczytaj na głos w blokach tekstu asystenta, które pojawiają się przed późniejszymi wywołaniami narzędzi w tej samej odpowiedzi.',
   'settings.openchamber.visual.field.showToolFileIcons': 'Pokaż ikony plików narzędzi',
   'settings.openchamber.visual.field.showToolFileIconsAria': 'Pokaż ikony plików narzędzi',
+  'settings.openchamber.visual.field.showTurnChangedFiles': 'Pokaż zmienione pliki w ukończonych turach',
+  'settings.openchamber.visual.field.showTurnChangedFilesAria': 'Pokaż zmienione pliki w ukończonych turach',
   'settings.openchamber.visual.field.spacingDensity': 'Gęstość odstępów',
   'settings.openchamber.visual.field.stickyUserHeader': 'Przyklejony nagłówek użytkownika',
   'settings.openchamber.visual.field.stickyUserHeaderAria': 'Przyklejony nagłówek użytkownika',

packages/ui/src/lib/i18n/messages/pt-BR.settings.ts

@@ -1591,6 +1591,8 @@ export const settingsDict = {
   "settings.openchamber.visual.field.showSplitAssistantMessageActionsTooltip": "Mostra Copiar resposta, Salvar como imagem e Ler em voz alta em blocos de texto do assistente que aparecem antes de chamadas de ferramenta posteriores na mesma resposta.",
   "settings.openchamber.visual.field.showToolFileIconsAria": "Mostrar ícones de arquivos de ferramentas",
   "settings.openchamber.visual.field.showToolFileIcons": "Mostrar ícones de arquivos de ferramentas",
+  "settings.openchamber.visual.field.showTurnChangedFilesAria": "Mostrar arquivos alterados em turnos concluídos",
+  "settings.openchamber.visual.field.showTurnChangedFiles": "Mostrar arquivos alterados em turnos concluídos",
   "settings.openchamber.visual.field.showMobileStatusBarAria": "Mostrar barra de status móvel",
   "settings.openchamber.visual.field.showMobileStatusBar": "Mostrar barra de status móvel",
   "settings.openchamber.visual.field.showDotfilesAria": "Mostrar arquivos ocultos",

packages/ui/src/lib/i18n/messages/uk.settings.ts

@@ -1591,6 +1591,8 @@ export const settingsDict = {
   "settings.openchamber.visual.field.showSplitAssistantMessageActionsTooltip": "Показує «Скопіювати відповідь», «Зберегти як зображення» та озвучення для текстових блоків асистента, які з’являються перед пізнішими викликами інструментів у тій самій відповіді.",
   "settings.openchamber.visual.field.showToolFileIconsAria": "Показати значки файлів інструментів",
   "settings.openchamber.visual.field.showToolFileIcons": "Показати значки файлів інструментів",
+  "settings.openchamber.visual.field.showTurnChangedFilesAria": "Показати змінені файли для завершених ходів",
+  "settings.openchamber.visual.field.showTurnChangedFiles": "Показати змінені файли для завершених ходів",
   "settings.openchamber.visual.field.showMobileStatusBarAria": "Показати рядок стану мобільного пристрою",
   "settings.openchamber.visual.field.showMobileStatusBar": "Показати мобільний рядок стану",
   "settings.openchamber.visual.field.showDotfilesAria": "Показати dotfiles",

packages/ui/src/lib/i18n/messages/zh-CN.settings.ts

@@ -1591,6 +1591,8 @@ export const settingsDict = {
   'settings.openchamber.visual.field.showSplitAssistantMessageActionsTooltip': '在同一条回复中，如果助手文本块后面还有工具调用，则显示“复制回答”“保存为图片”和“朗读”操作。',
   'settings.openchamber.visual.field.showToolFileIconsAria': '显示工具文件图标',
   'settings.openchamber.visual.field.showToolFileIcons': '显示工具文件图标',
+  'settings.openchamber.visual.field.showTurnChangedFilesAria': '显示已完成回合的更改文件',
+  'settings.openchamber.visual.field.showTurnChangedFiles': '显示已完成回合的更改文件',
   'settings.openchamber.visual.field.showMobileStatusBarAria': '显示移动端状态栏',
   'settings.openchamber.visual.field.showMobileStatusBar': '显示移动端状态栏',
   'settings.openchamber.visual.field.showDotfilesAria': '显示点文件',

packages/ui/src/lib/i18n/messages/zh-TW.settings.ts

@@ -1512,6 +1512,8 @@
   'settings.openchamber.visual.field.showSplitAssistantMessageActionsTooltip': '在同一則回覆中，如果助理文字區塊後方還有工具呼叫，則顯示「複製回答」「儲存為圖片」和「朗讀」操作。',
   'settings.openchamber.visual.field.showToolFileIconsAria': '顯示工具檔案圖示',
   'settings.openchamber.visual.field.showToolFileIcons': '顯示工具檔案圖示',
+  'settings.openchamber.visual.field.showTurnChangedFilesAria': '顯示已完成回合的變更檔案',
+  'settings.openchamber.visual.field.showTurnChangedFiles': '顯示已完成回合的變更檔案',
   'settings.openchamber.visual.field.showMobileStatusBarAria': '顯示行動裝置狀態列',
   'settings.openchamber.visual.field.showMobileStatusBar': '顯示行動裝置狀態列',
   'settings.openchamber.visual.field.showDotfilesAria': '顯示點檔案',

packages/ui/src/lib/persistence.ts

@@ -455,6 +455,9 @@ const applyDesktopUiPreferences = (settings: DesktopSettings) => {
   if (typeof settings.showToolFileIcons === 'boolean' && settings.showToolFileIcons !== store.showToolFileIcons) {
     store.setShowToolFileIcons(settings.showToolFileIcons);
   }
+  if (typeof settings.showTurnChangedFiles === 'boolean' && settings.showTurnChangedFiles !== store.showTurnChangedFiles) {
+    store.setShowTurnChangedFiles(settings.showTurnChangedFiles);
+  }
   if (typeof settings.showExpandedBashTools === 'boolean' && settings.showExpandedBashTools !== store.showExpandedBashTools) {
     store.setShowExpandedBashTools(settings.showExpandedBashTools);
   }
@@ -957,6 +960,9 @@ const sanitizeWebSettings = (payload: unknown): DesktopSettings | null => {
   if (typeof candidate.showToolFileIcons === 'boolean') {
     result.showToolFileIcons = candidate.showToolFileIcons;
   }
+  if (typeof candidate.showTurnChangedFiles === 'boolean') {
+    result.showTurnChangedFiles = candidate.showTurnChangedFiles;
+  }
   if (typeof candidate.showExpandedBashTools === 'boolean') {
     result.showExpandedBashTools = candidate.showExpandedBashTools;
   }

packages/ui/src/stores/useUIStore.ts

@@ -605,6 +605,7 @@ interface UIStore {
   inputSpellcheckEnabled: boolean;
   wideChatLayoutEnabled: boolean;
   showToolFileIcons: boolean;
+  showTurnChangedFiles: boolean;
   showExpandedBashTools: boolean;
   showExpandedEditTools: boolean;
   timeFormatPreference: TimeFormatPreference;
@@ -743,6 +744,7 @@ interface UIStore {
   setInputSpellcheckEnabled: (value: boolean) => void;
   setWideChatLayoutEnabled: (value: boolean) => void;
   setShowToolFileIcons: (value: boolean) => void;
+  setShowTurnChangedFiles: (value: boolean) => void;
   setShowExpandedBashTools: (value: boolean) => void;
   setShowExpandedEditTools: (value: boolean) => void;
   setTimeFormatPreference: (value: TimeFormatPreference) => void;
@@ -876,6 +878,7 @@ export const useUIStore = create<UIStore>()(
         inputSpellcheckEnabled: false,
         wideChatLayoutEnabled: false,
         showToolFileIcons: true,
+        showTurnChangedFiles: false,
         showExpandedBashTools: false,
         showExpandedEditTools: false,
         timeFormatPreference: 'auto',
@@ -1942,6 +1945,9 @@ export const useUIStore = create<UIStore>()(
         setShowToolFileIcons: (value) => {
           set({ showToolFileIcons: value });
         },
+        setShowTurnChangedFiles: (value) => {
+          set({ showTurnChangedFiles: value });
+        },
         setShowExpandedBashTools: (value) => {
           set({ showExpandedBashTools: value });
         },
@@ -2183,6 +2189,7 @@ export const useUIStore = create<UIStore>()(
           inputSpellcheckEnabled: state.inputSpellcheckEnabled,
           wideChatLayoutEnabled: state.wideChatLayoutEnabled,
           showToolFileIcons: state.showToolFileIcons,
+          showTurnChangedFiles: state.showTurnChangedFiles,
           showExpandedBashTools: state.showExpandedBashTools,
           showExpandedEditTools: state.showExpandedEditTools,
           timeFormatPreference: state.timeFormatPreference,

packages/web/server/lib/opencode/settings-helpers.js

@@ -391,6 +391,9 @@ export const createSettingsHelpers = (dependencies) => {
     if (typeof candidate.showToolFileIcons === 'boolean') {
       result.showToolFileIcons = candidate.showToolFileIcons;
     }
+    if (typeof candidate.showTurnChangedFiles === 'boolean') {
+      result.showTurnChangedFiles = candidate.showTurnChangedFiles;
+    }
     if (typeof candidate.showExpandedBashTools === 'boolean') {
       result.showExpandedBashTools = candidate.showExpandedBashTools;
     }