perf(renderer): performance improvements — React.memo + test stabilization Merge pull request #93 from sardorb3k/improve/v1.3

Merge pull request #93 from sardorb3k/improve/v1.3

src/main/services/schedule/ScheduledTaskExecutor.ts

@@ -178,7 +178,9 @@ export class ScheduledTaskExecutor {
       cwd: request.config.cwd,
       // shellEnv spread after buildEnrichedEnv ensures freshly-resolved values
       // take precedence over the cached snapshot inside buildEnrichedEnv.
-      env,
+      // CLAUDECODE stripped last to prevent nested-session detection regardless
+      // of what buildProviderAwareCliEnv merges in.
+      env: { ...env, CLAUDECODE: undefined },
       stdio: ['ignore', 'pipe', 'pipe'],
     });
 

src/main/services/team/TeamMcpConfigBuilder.ts

@@ -154,6 +154,10 @@ async function hasValidServerCopy(dir: string): Promise<boolean> {
 
 let _resolvedNodePath: string | undefined;
 
+export function clearResolvedNodePathForTests(): void {
+  _resolvedNodePath = undefined;
+}
+
 /**
  * Find the real `node` binary path. In Electron, process.execPath is the
  * Electron binary — NOT node — so we must resolve node separately.

src/renderer/components/chat/CompactBoundary.tsx

@@ -1,4 +1,4 @@
-import React, { useState } from 'react';
+import React, { memo, useState } from 'react';
 import ReactMarkdown from 'react-markdown';
 
 import {
@@ -28,9 +28,9 @@ interface CompactBoundaryProps {
  * CompactBoundary displays a horizontal divider indicating where
  * the conversation was compacted. Click to expand the compacted summary.
  */
-export const CompactBoundary = ({
+export const CompactBoundary = memo(function CompactBoundary({
   compactGroup,
-}: Readonly<CompactBoundaryProps>): React.JSX.Element => {
+}: Readonly<CompactBoundaryProps>): React.JSX.Element {
   const { timestamp, message } = compactGroup;
   const [isExpanded, setIsExpanded] = useState(false);
 
@@ -166,4 +166,4 @@ export const CompactBoundary = ({
       )}
     </div>
   );
-};
+});

src/renderer/components/chat/DisplayItemList.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useState } from 'react';
+import React, { memo, useCallback, useState } from 'react';
 
 import {
   CODE_BG,
@@ -65,9 +65,6 @@ function buildItemMetaTooltip(
   return parts.length > 0 ? parts.join(' • ') : undefined;
 }
 
-/**
- * Truncates text to a maximum length and adds ellipsis if needed.
- */
 function truncateText(text: string, maxLength: number): string {
   if (text.length <= maxLength) {
     return text;
@@ -75,6 +72,345 @@ function truncateText(text: string, maxLength: number): string {
   return text.substring(0, maxLength) + '...';
 }
 
+function getItemKey(item: AIGroupDisplayItem, index: number): string {
+  switch (item.type) {
+    case 'thinking':
+      return `thinking-${index}`;
+    case 'output':
+      return `output-${index}`;
+    case 'tool':
+      return `tool-${item.tool.id}-${index}`;
+    case 'subagent':
+      return `subagent-${item.subagent.id}-${index}`;
+    case 'slash':
+      return `slash-${item.slash.name}-${index}`;
+    case 'teammate_message':
+      return `teammate-${item.teammateMessage.id}-${index}`;
+    case 'subagent_input':
+      return `input-${index}`;
+    case 'compact_boundary':
+      return `compact-${index}`;
+    default:
+      return `unknown-${index}`;
+  }
+}
+
+// =============================================================================
+// Per-item row — memoized to prevent re-renders from parent state changes
+// =============================================================================
+
+interface DisplayItemRowProps {
+  item: AIGroupDisplayItem;
+  index: number;
+  itemKey: string;
+  isExpanded: boolean;
+  isDimmed: boolean;
+  hasReplyLink: boolean;
+  onItemClick: (key: string) => void;
+  onReplyHover: (toolId: string | null) => void;
+  aiGroupId: string;
+  searchQueryOverride?: string;
+  highlightToolUseId?: string;
+  highlightColor?: TriggerColor;
+  notificationColorMap?: Map<string, TriggerColor>;
+  registerToolRef?: (toolId: string, el: HTMLDivElement | null) => void;
+  previewMaxLength?: number;
+  timestampFormat?: string;
+  showItemMetaTooltip?: boolean;
+}
+
+const DisplayItemRow = memo(function DisplayItemRow({
+  item,
+  index: _index,
+  itemKey,
+  isExpanded,
+  isDimmed,
+  hasReplyLink,
+  onItemClick,
+  onReplyHover,
+  aiGroupId,
+  searchQueryOverride,
+  highlightToolUseId,
+  highlightColor,
+  notificationColorMap,
+  registerToolRef,
+  previewMaxLength,
+  timestampFormat,
+  showItemMetaTooltip = false,
+}: DisplayItemRowProps): React.JSX.Element | null {
+  const handleClick = useCallback(() => onItemClick(itemKey), [onItemClick, itemKey]);
+
+  let element: React.ReactNode = null;
+
+  switch (item.type) {
+    case 'thinking': {
+      const thinkingStep = {
+        id: itemKey,
+        type: 'thinking' as const,
+        startTime: item.timestamp,
+        endTime: item.timestamp,
+        durationMs: 0,
+        content: { thinkingText: item.content, tokenCount: item.tokenCount },
+        tokens: { input: 0, output: item.tokenCount ?? 0 },
+        context: 'main' as const,
+      };
+      element = (
+        <ThinkingItem
+          step={thinkingStep}
+          preview={truncateText(item.content, previewMaxLength ?? 150)}
+          onClick={handleClick}
+          isExpanded={isExpanded}
+          timestamp={item.timestamp}
+          timestampFormat={timestampFormat}
+          titleText={
+            showItemMetaTooltip
+              ? buildItemMetaTooltip(item.timestamp, item.tokenCount, 'tokens')
+              : undefined
+          }
+          markdownItemId={searchQueryOverride ? `${aiGroupId}:${itemKey}` : undefined}
+          searchQueryOverride={searchQueryOverride}
+        />
+      );
+      break;
+    }
+
+    case 'output': {
+      const textStep = {
+        id: itemKey,
+        type: 'output' as const,
+        startTime: item.timestamp,
+        endTime: item.timestamp,
+        durationMs: 0,
+        content: { outputText: item.content, tokenCount: item.tokenCount },
+        tokens: { input: 0, output: item.tokenCount ?? 0 },
+        context: 'main' as const,
+      };
+      element = (
+        <TextItem
+          step={textStep}
+          preview={truncateText(item.content, previewMaxLength ?? 150)}
+          onClick={handleClick}
+          isExpanded={isExpanded}
+          timestamp={item.timestamp}
+          timestampFormat={timestampFormat}
+          titleText={
+            showItemMetaTooltip
+              ? buildItemMetaTooltip(item.timestamp, item.tokenCount, 'tokens')
+              : undefined
+          }
+          markdownItemId={searchQueryOverride ? `${aiGroupId}:${itemKey}` : undefined}
+          searchQueryOverride={searchQueryOverride}
+        />
+      );
+      break;
+    }
+
+    case 'tool': {
+      element = (
+        <LinkedToolItem
+          linkedTool={item.tool}
+          onClick={handleClick}
+          isExpanded={isExpanded}
+          timestamp={item.tool.startTime}
+          timestampFormat={timestampFormat}
+          titleText={
+            showItemMetaTooltip
+              ? buildItemMetaTooltip(item.tool.startTime, getToolContextTokens(item.tool), 'tokens')
+              : undefined
+          }
+          searchQueryOverride={searchQueryOverride}
+          isHighlighted={highlightToolUseId === item.tool.id}
+          highlightColor={highlightColor}
+          notificationDotColor={notificationColorMap?.get(item.tool.id)}
+          registerRef={registerToolRef ? (el) => registerToolRef(item.tool.id, el) : undefined}
+        />
+      );
+      break;
+    }
+
+    case 'subagent': {
+      const subagentStep = {
+        id: itemKey,
+        type: 'subagent' as const,
+        startTime: item.subagent.startTime,
+        endTime: item.subagent.endTime,
+        durationMs: item.subagent.durationMs,
+        content: {
+          subagentId: item.subagent.id,
+          subagentDescription: item.subagent.description,
+        },
+        isParallel: item.subagent.isParallel,
+        context: 'main' as const,
+      };
+      element = (
+        <SubagentItem
+          step={subagentStep}
+          subagent={item.subagent}
+          onClick={handleClick}
+          isExpanded={isExpanded}
+          aiGroupId={aiGroupId}
+          highlightToolUseId={highlightToolUseId}
+          highlightColor={highlightColor}
+          notificationColorMap={notificationColorMap}
+          registerToolRef={registerToolRef}
+        />
+      );
+      break;
+    }
+
+    case 'slash': {
+      element = (
+        <SlashItem
+          slash={item.slash}
+          onClick={handleClick}
+          isExpanded={isExpanded}
+          timestamp={item.slash.timestamp}
+          timestampFormat={timestampFormat}
+          titleText={
+            showItemMetaTooltip
+              ? buildItemMetaTooltip(
+                  item.slash.timestamp,
+                  item.slash.instructionsTokenCount,
+                  'tokens'
+                )
+              : undefined
+          }
+        />
+      );
+      break;
+    }
+
+    case 'teammate_message': {
+      element = (
+        <TeammateMessageItem
+          teammateMessage={item.teammateMessage}
+          onClick={handleClick}
+          isExpanded={isExpanded}
+          onReplyHover={onReplyHover}
+        />
+      );
+      break;
+    }
+
+    case 'subagent_input': {
+      const inputContent = item.content;
+      const inputTokenCount = item.tokenCount;
+      element = (
+        <BaseItem
+          icon={<MailOpen className="size-4" />}
+          label="Input"
+          summary={truncateText(inputContent, previewMaxLength ?? 80)}
+          tokenCount={inputTokenCount}
+          timestamp={item.timestamp}
+          timestampFormat={timestampFormat}
+          titleText={
+            showItemMetaTooltip
+              ? buildItemMetaTooltip(item.timestamp, inputTokenCount, 'tokens')
+              : undefined
+          }
+          onClick={handleClick}
+          isExpanded={isExpanded}
+        >
+          <MarkdownViewer
+            content={inputContent}
+            copyable
+            itemId={searchQueryOverride ? `${aiGroupId}:${itemKey}` : undefined}
+            searchQueryOverride={searchQueryOverride}
+          />
+        </BaseItem>
+      );
+      break;
+    }
+
+    case 'compact_boundary': {
+      const compactContent = item.content;
+      element = (
+        <div>
+          <button
+            onClick={handleClick}
+            className="group flex w-full cursor-pointer items-center gap-2 rounded-lg px-3 py-2 transition-all duration-200"
+            style={{
+              backgroundColor: TOOL_CALL_BG,
+              border: `1px solid ${TOOL_CALL_BORDER}`,
+            }}
+            aria-expanded={isExpanded}
+          >
+            <div className="flex shrink-0 items-center gap-1.5" style={{ color: TOOL_CALL_TEXT }}>
+              <ChevronRight
+                size={14}
+                className={`transition-transform duration-200 ${isExpanded ? 'rotate-90' : ''}`}
+              />
+              <Layers size={14} />
+            </div>
+            <span className="shrink-0 text-xs font-medium" style={{ color: TOOL_CALL_TEXT }}>
+              Compacted
+            </span>
+            {item.tokenDelta && (
+              <span
+                className="min-w-0 truncate text-[11px] tabular-nums"
+                style={{ color: COLOR_TEXT_MUTED }}
+              >
+                {formatTokensCompact(item.tokenDelta.preCompactionTokens)} →{' '}
+                {formatTokensCompact(item.tokenDelta.postCompactionTokens)}
+                <span style={{ color: '#4ade80' }}>
+                  {' '}
+                  ({formatTokensCompact(Math.abs(item.tokenDelta.delta))} freed)
+                </span>
+              </span>
+            )}
+            <span
+              className="shrink-0 rounded px-1.5 py-0.5 text-[10px]"
+              style={{
+                backgroundColor: 'rgba(99, 102, 241, 0.15)',
+                color: '#818cf8',
+              }}
+            >
+              Phase {item.phaseNumber}
+            </span>
+            <span className="ml-auto shrink-0 text-[11px]" style={{ color: COLOR_TEXT_MUTED }}>
+              {format(new Date(item.timestamp), 'h:mm:ss a')}
+            </span>
+          </button>
+          {isExpanded && compactContent && (
+            <div
+              className="mt-1 overflow-hidden rounded-lg"
+              style={{
+                backgroundColor: CODE_BG,
+                border: `1px solid ${CODE_BORDER}`,
+              }}
+            >
+              <div
+                className="max-h-64 overflow-y-auto border-l-2 px-3 py-2"
+                style={{ borderColor: 'var(--chat-ai-border)' }}
+              >
+                <MarkdownViewer content={compactContent} copyable />
+              </div>
+            </div>
+          )}
+        </div>
+      );
+      break;
+    }
+
+    default:
+      return null;
+  }
+
+  return (
+    <div
+      style={
+        hasReplyLink ? { opacity: isDimmed ? 0.2 : 1, transition: 'opacity 150ms ease' } : undefined
+      }
+    >
+      {element}
+    </div>
+  );
+});
+
+// =============================================================================
+// Main component
+// =============================================================================
+
 /**
  * Renders a flat list of AIGroupDisplayItem[] into the appropriate components.
  *
@@ -87,7 +423,7 @@ function truncateText(text: string, maxLength: number): string {
  *
  * The list is completely flat with no nested toggles or hierarchies.
  */
-export const DisplayItemList = ({
+export const DisplayItemList = React.memo(function DisplayItemList({
   items,
   onItemClick,
   expandedItemIds,
@@ -101,23 +437,13 @@ export const DisplayItemList = ({
   previewMaxLength,
   timestampFormat,
   showItemMetaTooltip = false,
-}: Readonly<DisplayItemListProps>): React.JSX.Element => {
-  // Reply-link highlight: when hovering a reply badge, dim everything except the linked pair
+}: Readonly<DisplayItemListProps>): React.JSX.Element {
   const [replyLinkToolId, setReplyLinkToolId] = useState<string | null>(null);
 
   const handleReplyHover = useCallback((toolId: string | null) => {
     setReplyLinkToolId(toolId);
   }, []);
 
-  /** Check if an item is part of the currently highlighted reply link */
-  const isItemInReplyLink = (item: AIGroupDisplayItem): boolean => {
-    if (!replyLinkToolId) return false;
-    if (item.type === 'tool' && item.tool.id === replyLinkToolId) return true;
-    if (item.type === 'teammate_message' && item.teammateMessage.replyToToolId === replyLinkToolId)
-      return true;
-    return false;
-  };
-
   if (!items || items.length === 0) {
     return (
       <div className="px-3 py-2 text-sm italic text-claude-dark-text-secondary">
@@ -133,299 +459,39 @@ export const DisplayItemList = ({
       }
     >
       {items.map((item, index) => {
-        let itemKey = '';
-        let element: React.ReactNode = null;
+        const itemKey = getItemKey(item, index);
+        const isExpanded = expandedItemIds.has(itemKey);
 
-        switch (item.type) {
-          case 'thinking': {
-            itemKey = `thinking-${index}`;
-            const thinkingStep = {
-              id: itemKey,
-              type: 'thinking' as const,
-              startTime: item.timestamp,
-              endTime: item.timestamp,
-              durationMs: 0,
-              content: { thinkingText: item.content, tokenCount: item.tokenCount },
-              tokens: { input: 0, output: item.tokenCount ?? 0 },
-              context: 'main' as const,
-            };
-            element = (
-              <ThinkingItem
-                step={thinkingStep}
-                preview={truncateText(item.content, previewMaxLength ?? 150)}
-                onClick={() => onItemClick(itemKey)}
-                isExpanded={expandedItemIds.has(itemKey)}
-                timestamp={item.timestamp}
-                timestampFormat={timestampFormat}
-                titleText={
-                  showItemMetaTooltip
-                    ? buildItemMetaTooltip(item.timestamp, item.tokenCount, 'tokens')
-                    : undefined
-                }
-                markdownItemId={searchQueryOverride ? `${aiGroupId}:${itemKey}` : undefined}
-                searchQueryOverride={searchQueryOverride}
-              />
-            );
-            break;
-          }
+        const isInReplyLink =
+          replyLinkToolId !== null &&
+          ((item.type === 'tool' && item.tool.id === replyLinkToolId) ||
+            (item.type === 'teammate_message' &&
+              item.teammateMessage.replyToToolId === replyLinkToolId));
+        const isDimmed = replyLinkToolId !== null && !isInReplyLink;
 
-          case 'output': {
-            itemKey = `output-${index}`;
-            const textStep = {
-              id: itemKey,
-              type: 'output' as const,
-              startTime: item.timestamp,
-              endTime: item.timestamp,
-              durationMs: 0,
-              content: { outputText: item.content, tokenCount: item.tokenCount },
-              tokens: { input: 0, output: item.tokenCount ?? 0 },
-              context: 'main' as const,
-            };
-            element = (
-              <TextItem
-                step={textStep}
-                preview={truncateText(item.content, previewMaxLength ?? 150)}
-                onClick={() => onItemClick(itemKey)}
-                isExpanded={expandedItemIds.has(itemKey)}
-                timestamp={item.timestamp}
-                timestampFormat={timestampFormat}
-                titleText={
-                  showItemMetaTooltip
-                    ? buildItemMetaTooltip(item.timestamp, item.tokenCount, 'tokens')
-                    : undefined
-                }
-                markdownItemId={searchQueryOverride ? `${aiGroupId}:${itemKey}` : undefined}
-                searchQueryOverride={searchQueryOverride}
-              />
-            );
-            break;
-          }
-
-          case 'tool': {
-            itemKey = `tool-${item.tool.id}-${index}`;
-            element = (
-              <LinkedToolItem
-                linkedTool={item.tool}
-                onClick={() => onItemClick(itemKey)}
-                isExpanded={expandedItemIds.has(itemKey)}
-                timestamp={item.tool.startTime}
-                timestampFormat={timestampFormat}
-                titleText={
-                  showItemMetaTooltip
-                    ? buildItemMetaTooltip(
-                        item.tool.startTime,
-                        getToolContextTokens(item.tool),
-                        'tokens'
-                      )
-                    : undefined
-                }
-                searchQueryOverride={searchQueryOverride}
-                isHighlighted={highlightToolUseId === item.tool.id}
-                highlightColor={highlightColor}
-                notificationDotColor={notificationColorMap?.get(item.tool.id)}
-                registerRef={
-                  registerToolRef ? (el) => registerToolRef(item.tool.id, el) : undefined
-                }
-              />
-            );
-            break;
-          }
-
-          case 'subagent': {
-            itemKey = `subagent-${item.subagent.id}-${index}`;
-            const subagentStep = {
-              id: itemKey,
-              type: 'subagent' as const,
-              startTime: item.subagent.startTime,
-              endTime: item.subagent.endTime,
-              durationMs: item.subagent.durationMs,
-              content: {
-                subagentId: item.subagent.id,
-                subagentDescription: item.subagent.description,
-              },
-              isParallel: item.subagent.isParallel,
-              context: 'main' as const,
-            };
-            element = (
-              <SubagentItem
-                step={subagentStep}
-                subagent={item.subagent}
-                onClick={() => onItemClick(itemKey)}
-                isExpanded={expandedItemIds.has(itemKey)}
-                aiGroupId={aiGroupId}
-                highlightToolUseId={highlightToolUseId}
-                highlightColor={highlightColor}
-                notificationColorMap={notificationColorMap}
-                registerToolRef={registerToolRef}
-              />
-            );
-            break;
-          }
-
-          case 'slash': {
-            itemKey = `slash-${item.slash.name}-${index}`;
-            element = (
-              <SlashItem
-                slash={item.slash}
-                onClick={() => onItemClick(itemKey)}
-                isExpanded={expandedItemIds.has(itemKey)}
-                timestamp={item.slash.timestamp}
-                timestampFormat={timestampFormat}
-                titleText={
-                  showItemMetaTooltip
-                    ? buildItemMetaTooltip(
-                        item.slash.timestamp,
-                        item.slash.instructionsTokenCount,
-                        'tokens'
-                      )
-                    : undefined
-                }
-              />
-            );
-            break;
-          }
-
-          case 'teammate_message': {
-            itemKey = `teammate-${item.teammateMessage.id}-${index}`;
-            element = (
-              <TeammateMessageItem
-                teammateMessage={item.teammateMessage}
-                onClick={() => onItemClick(itemKey)}
-                isExpanded={expandedItemIds.has(itemKey)}
-                onReplyHover={handleReplyHover}
-              />
-            );
-            break;
-          }
-
-          case 'subagent_input': {
-            itemKey = `input-${index}`;
-            const inputContent = item.content;
-            const inputTokenCount = item.tokenCount;
-            element = (
-              <BaseItem
-                icon={<MailOpen className="size-4" />}
-                label="Input"
-                summary={truncateText(inputContent, previewMaxLength ?? 80)}
-                tokenCount={inputTokenCount}
-                timestamp={item.timestamp}
-                timestampFormat={timestampFormat}
-                titleText={
-                  showItemMetaTooltip
-                    ? buildItemMetaTooltip(item.timestamp, inputTokenCount, 'tokens')
-                    : undefined
-                }
-                onClick={() => onItemClick(itemKey)}
-                isExpanded={expandedItemIds.has(itemKey)}
-              >
-                <MarkdownViewer
-                  content={inputContent}
-                  copyable
-                  itemId={searchQueryOverride ? `${aiGroupId}:${itemKey}` : undefined}
-                  searchQueryOverride={searchQueryOverride}
-                />
-              </BaseItem>
-            );
-            break;
-          }
-
-          case 'compact_boundary': {
-            itemKey = `compact-${index}`;
-            const compactContent = item.content;
-            const compactExpanded = expandedItemIds.has(itemKey);
-            element = (
-              <div>
-                <button
-                  onClick={() => onItemClick(itemKey)}
-                  className="group flex w-full cursor-pointer items-center gap-2 rounded-lg px-3 py-2 transition-all duration-200"
-                  style={{
-                    backgroundColor: TOOL_CALL_BG,
-                    border: `1px solid ${TOOL_CALL_BORDER}`,
-                  }}
-                  aria-expanded={compactExpanded}
-                >
-                  <div
-                    className="flex shrink-0 items-center gap-1.5"
-                    style={{ color: TOOL_CALL_TEXT }}
-                  >
-                    <ChevronRight
-                      size={14}
-                      className={`transition-transform duration-200 ${compactExpanded ? 'rotate-90' : ''}`}
-                    />
-                    <Layers size={14} />
-                  </div>
-                  <span className="shrink-0 text-xs font-medium" style={{ color: TOOL_CALL_TEXT }}>
-                    Compacted
-                  </span>
-                  {item.tokenDelta && (
-                    <span
-                      className="min-w-0 truncate text-[11px] tabular-nums"
-                      style={{ color: COLOR_TEXT_MUTED }}
-                    >
-                      {formatTokensCompact(item.tokenDelta.preCompactionTokens)} →{' '}
-                      {formatTokensCompact(item.tokenDelta.postCompactionTokens)}
-                      <span style={{ color: '#4ade80' }}>
-                        {' '}
-                        ({formatTokensCompact(Math.abs(item.tokenDelta.delta))} freed)
-                      </span>
-                    </span>
-                  )}
-                  <span
-                    className="shrink-0 rounded px-1.5 py-0.5 text-[10px]"
-                    style={{
-                      backgroundColor: 'rgba(99, 102, 241, 0.15)',
-                      color: '#818cf8',
-                    }}
-                  >
-                    Phase {item.phaseNumber}
-                  </span>
-                  <span
-                    className="ml-auto shrink-0 text-[11px]"
-                    style={{ color: COLOR_TEXT_MUTED }}
-                  >
-                    {format(new Date(item.timestamp), 'h:mm:ss a')}
-                  </span>
-                </button>
-                {compactExpanded && compactContent && (
-                  <div
-                    className="mt-1 overflow-hidden rounded-lg"
-                    style={{
-                      backgroundColor: CODE_BG,
-                      border: `1px solid ${CODE_BORDER}`,
-                    }}
-                  >
-                    <div
-                      className="max-h-64 overflow-y-auto border-l-2 px-3 py-2"
-                      style={{ borderColor: 'var(--chat-ai-border)' }}
-                    >
-                      <MarkdownViewer content={compactContent} copyable />
-                    </div>
-                  </div>
-                )}
-              </div>
-            );
-            break;
-          }
-
-          default:
-            return null;
-        }
-
-        // Apply reply-link spotlight: dim items not in the highlighted pair
-        const isDimmed = replyLinkToolId !== null && !isItemInReplyLink(item);
         return (
-          <div
+          <DisplayItemRow
             key={itemKey}
-            style={
-              replyLinkToolId !== null
-                ? { opacity: isDimmed ? 0.2 : 1, transition: 'opacity 150ms ease' }
-                : undefined
-            }
-          >
-            {element}
-          </div>
+            item={item}
+            index={index}
+            itemKey={itemKey}
+            isExpanded={isExpanded}
+            isDimmed={isDimmed}
+            hasReplyLink={replyLinkToolId !== null}
+            onItemClick={onItemClick}
+            onReplyHover={handleReplyHover}
+            aiGroupId={aiGroupId}
+            searchQueryOverride={searchQueryOverride}
+            highlightToolUseId={highlightToolUseId}
+            highlightColor={highlightColor}
+            notificationColorMap={notificationColorMap}
+            registerToolRef={registerToolRef}
+            previewMaxLength={previewMaxLength}
+            timestampFormat={timestampFormat}
+            showItemMetaTooltip={showItemMetaTooltip}
+          />
         );
       })}
     </div>
   );
-};
+});

src/renderer/components/chat/items/BaseItem.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { memo } from 'react';
 
 import { TOOL_ITEM_MUTED } from '@renderer/constants/cssVariables';
 import { getTriggerColorDef, type TriggerColor } from '@shared/constants/triggerColors';
@@ -57,14 +57,14 @@ interface BaseItemProps {
 /**
  * Small status dot indicator.
  */
-export const StatusDot: React.FC<{ status: ItemStatus }> = ({ status }) => {
+export const StatusDot = memo(function StatusDot({ status }: { status: ItemStatus }) {
   return (
     <span
       className="base-item-status-dot inline-block size-1.5 shrink-0 rounded-full"
       style={{ backgroundColor: getStatusDotColor(status) }}
     />
   );
-};
+});
 
 // =============================================================================
 // Main Component
@@ -79,135 +79,140 @@ export const StatusDot: React.FC<{ status: ItemStatus }> = ({ status }) => {
  *
  * Used by: ThinkingItem, TextItem, LinkedToolItem, SlashItem, SubagentItem
  */
-export const BaseItem: React.FC<BaseItemProps> = ({
-  icon,
-  label,
-  summary,
-  tokenCount,
-  tokenLabel = 'tokens',
-  status,
-  durationMs,
-  timestamp,
-  timestampFormat = 'HH:mm:ss',
-  titleText,
-  onClick,
-  isExpanded,
-  hasExpandableContent = true,
-  highlightClasses = '',
-  highlightStyle,
-  notificationDotColor,
-  children,
-}) => {
-  return (
-    <div
-      className={`rounded transition-[background-color,box-shadow] duration-300 ${highlightClasses}`}
-      style={highlightStyle}
-    >
-      {/* Clickable Header */}
+export const BaseItem = memo(
+  ({
+    icon,
+    label,
+    summary,
+    tokenCount,
+    tokenLabel = 'tokens',
+    status,
+    durationMs,
+    timestamp,
+    timestampFormat = 'HH:mm:ss',
+    titleText,
+    onClick,
+    isExpanded,
+    hasExpandableContent = true,
+    highlightClasses = '',
+    highlightStyle,
+    notificationDotColor,
+    children,
+  }: BaseItemProps): React.JSX.Element => {
+    return (
       <div
-        role="button"
-        tabIndex={0}
-        title={titleText}
-        onClick={onClick}
-        onKeyDown={(e) => {
-          if (e.key === 'Enter' || e.key === ' ') {
-            e.preventDefault();
-            onClick();
-          }
-        }}
-        className="group flex cursor-pointer items-center gap-2 rounded px-2 py-1.5"
-        style={{ backgroundColor: 'transparent' }}
-        onMouseEnter={(e) =>
-          Object.assign(e.currentTarget.style, { backgroundColor: 'var(--tool-item-hover-bg)' })
-        }
-        onMouseLeave={(e) =>
-          Object.assign(e.currentTarget.style, { backgroundColor: 'transparent' })
-        }
+        className={`rounded transition-[background-color,box-shadow] duration-300 ${highlightClasses}`}
+        style={highlightStyle}
       >
-        {/* Icon */}
-        <span className="size-4 shrink-0" style={{ color: TOOL_ITEM_MUTED }}>
-          {icon}
-        </span>
+        {/* Clickable Header */}
+        <div
+          role="button"
+          tabIndex={0}
+          title={titleText}
+          onClick={onClick}
+          onKeyDown={(e) => {
+            if (e.key === 'Enter' || e.key === ' ') {
+              e.preventDefault();
+              onClick();
+            }
+          }}
+          className="group flex cursor-pointer items-center gap-2 rounded px-2 py-1.5"
+          style={{ backgroundColor: 'transparent' }}
+          onMouseEnter={(e) =>
+            Object.assign(e.currentTarget.style, { backgroundColor: 'var(--tool-item-hover-bg)' })
+          }
+          onMouseLeave={(e) =>
+            Object.assign(e.currentTarget.style, { backgroundColor: 'transparent' })
+          }
+        >
+          {/* Icon */}
+          <span className="size-4 shrink-0" style={{ color: TOOL_ITEM_MUTED }}>
+            {icon}
+          </span>
 
-        {/* Label */}
-        <span className="text-sm font-medium" style={{ color: 'var(--tool-item-name)' }}>
-          {label}
-        </span>
+          {/* Label */}
+          <span className="text-sm font-medium" style={{ color: 'var(--tool-item-name)' }}>
+            {label}
+          </span>
 
-        {/* Separator and Summary */}
-        {summary && (
-          <>
-            <span className="text-sm" style={{ color: TOOL_ITEM_MUTED }}>
-              -
+          {/* Separator and Summary */}
+          {summary && (
+            <>
+              <span className="text-sm" style={{ color: TOOL_ITEM_MUTED }}>
+                -
+              </span>
+              <span
+                className="flex-1 truncate text-sm"
+                style={{ color: 'var(--tool-item-summary)' }}
+              >
+                {summary}
+              </span>
+            </>
+          )}
+
+          {/* Spacer if no summary */}
+          {!summary && <span className="flex-1" />}
+
+          {/* Token count badge */}
+          {tokenCount != null && tokenCount > 0 && (
+            <span
+              className="base-item-tokens shrink-0 rounded px-1.5 py-0.5 text-xs"
+              style={{
+                color: TOOL_ITEM_MUTED,
+                backgroundColor: 'var(--tool-item-badge-bg)',
+              }}
+            >
+              ~{formatTokens(tokenCount)} {tokenLabel}
             </span>
-            <span className="flex-1 truncate text-sm" style={{ color: 'var(--tool-item-summary)' }}>
-              {summary}
+          )}
+
+          {/* Status indicator - hidden when notification dot replaces it */}
+          {status && !notificationDotColor && <StatusDot status={status} />}
+
+          {/* Notification dot (replaces status dot when present) */}
+          {notificationDotColor && (
+            <span
+              className="base-item-notification-dot inline-block size-1.5 shrink-0 rounded-full"
+              style={{ backgroundColor: getTriggerColorDef(notificationDotColor).hex }}
+            />
+          )}
+
+          {/* Duration */}
+          {durationMs !== undefined && (
+            <span className="shrink-0 text-xs" style={{ color: TOOL_ITEM_MUTED }}>
+              {formatDuration(durationMs)}
             </span>
-          </>
-        )}
+          )}
 
-        {/* Spacer if no summary */}
-        {!summary && <span className="flex-1" />}
+          {/* Timestamp — rightmost info element */}
+          {timestamp && (
+            <span
+              className="base-item-timestamp shrink-0 text-[11px] tabular-nums"
+              style={{ color: TOOL_ITEM_MUTED }}
+            >
+              {format(timestamp, timestampFormat)}
+            </span>
+          )}
 
-        {/* Token count badge */}
-        {tokenCount != null && tokenCount > 0 && (
-          <span
-            className="base-item-tokens shrink-0 rounded px-1.5 py-0.5 text-xs"
-            style={{
-              color: TOOL_ITEM_MUTED,
-              backgroundColor: 'var(--tool-item-badge-bg)',
-            }}
+          {/* Expand/collapse chevron */}
+          {hasExpandableContent && (
+            <ChevronRight
+              className={`base-item-chevron size-3 shrink-0 transition-transform ${isExpanded ? 'rotate-90' : ''}`}
+              style={{ color: TOOL_ITEM_MUTED }}
+            />
+          )}
+        </div>
+
+        {/* Expanded Content */}
+        {isExpanded && children && (
+          <div
+            className="ml-2 mt-2 min-w-0 space-y-3 pl-6"
+            style={{ borderLeft: '2px solid var(--color-border)' }}
           >
-            ~{formatTokens(tokenCount)} {tokenLabel}
-          </span>
-        )}
-
-        {/* Status indicator - hidden when notification dot replaces it */}
-        {status && !notificationDotColor && <StatusDot status={status} />}
-
-        {/* Notification dot (replaces status dot when present) */}
-        {notificationDotColor && (
-          <span
-            className="base-item-notification-dot inline-block size-1.5 shrink-0 rounded-full"
-            style={{ backgroundColor: getTriggerColorDef(notificationDotColor).hex }}
-          />
-        )}
-
-        {/* Duration */}
-        {durationMs !== undefined && (
-          <span className="shrink-0 text-xs" style={{ color: TOOL_ITEM_MUTED }}>
-            {formatDuration(durationMs)}
-          </span>
-        )}
-
-        {/* Timestamp — rightmost info element */}
-        {timestamp && (
-          <span
-            className="base-item-timestamp shrink-0 text-[11px] tabular-nums"
-            style={{ color: TOOL_ITEM_MUTED }}
-          >
-            {format(timestamp, timestampFormat)}
-          </span>
-        )}
-
-        {/* Expand/collapse chevron */}
-        {hasExpandableContent && (
-          <ChevronRight
-            className={`base-item-chevron size-3 shrink-0 transition-transform ${isExpanded ? 'rotate-90' : ''}`}
-            style={{ color: TOOL_ITEM_MUTED }}
-          />
+            {children}
+          </div>
         )}
       </div>
-
-      {/* Expanded Content */}
-      {isExpanded && children && (
-        <div
-          className="ml-2 mt-2 min-w-0 space-y-3 pl-6"
-          style={{ borderLeft: '2px solid var(--color-border)' }}
-        >
-          {children}
-        </div>
-      )}
-    </div>
-  );
-};
+    );
+  }
+);

src/renderer/components/chat/items/ExecutionTrace.tsx

@@ -46,234 +46,239 @@ interface ExecutionTraceProps {
 // Execution Trace Component
 // =============================================================================
 
-export const ExecutionTrace: React.FC<ExecutionTraceProps> = ({
-  items,
-  aiGroupId: _aiGroupId,
-  highlightToolUseId,
-  highlightColor,
-  notificationColorMap,
-  searchExpandedItemId,
-  registerToolRef,
-}): React.JSX.Element => {
-  const [manualExpandedItemId, setManualExpandedItemId] = useState<string | null>(null);
+export const ExecutionTrace: React.FC<ExecutionTraceProps> = React.memo(
+  ({
+    items,
+    aiGroupId: _aiGroupId,
+    highlightToolUseId,
+    highlightColor,
+    notificationColorMap,
+    searchExpandedItemId,
+    registerToolRef,
+  }): React.JSX.Element => {
+    const [manualExpandedItemId, setManualExpandedItemId] = useState<string | null>(null);
 
-  // Use searchExpandedItemId if set, otherwise use manually expanded item
-  const expandedItemId = searchExpandedItemId ?? manualExpandedItemId;
+    // Use searchExpandedItemId if set, otherwise use manually expanded item
+    const expandedItemId = searchExpandedItemId ?? manualExpandedItemId;
 
-  const handleItemClick = (itemId: string): void => {
-    setManualExpandedItemId((prev) => (prev === itemId ? null : itemId));
-  };
+    const handleItemClick = (itemId: string): void => {
+      setManualExpandedItemId((prev) => (prev === itemId ? null : itemId));
+    };
+
+    if (!items || items.length === 0) {
+      return (
+        <div className="px-3 py-2 text-xs" style={{ color: CARD_ICON_MUTED }}>
+          No execution items
+        </div>
+      );
+    }
 
-  if (!items || items.length === 0) {
     return (
-      <div className="px-3 py-2 text-xs" style={{ color: CARD_ICON_MUTED }}>
-        No execution items
+      <div className="space-y-1">
+        {items.map((item, index) => {
+          switch (item.type) {
+            case 'thinking': {
+              const itemId = `subagent-thinking-${index}`;
+              const thinkingStep = {
+                id: itemId,
+                type: 'thinking' as const,
+                startTime: item.timestamp,
+                endTime: item.timestamp,
+                durationMs: 0,
+                content: { thinkingText: item.content, tokenCount: item.tokenCount },
+                tokens: { input: 0, output: item.tokenCount ?? 0 },
+                context: 'subagent' as const,
+              };
+              const preview = truncateText(item.content, 150);
+              const isExpanded = expandedItemId === itemId;
+              return (
+                <ThinkingItem
+                  key={itemId}
+                  step={thinkingStep}
+                  preview={preview}
+                  onClick={() => handleItemClick(itemId)}
+                  isExpanded={isExpanded}
+                  timestamp={item.timestamp}
+                />
+              );
+            }
+
+            case 'output': {
+              const itemId = `subagent-output-${index}`;
+              const textStep = {
+                id: itemId,
+                type: 'output' as const,
+                startTime: item.timestamp,
+                endTime: item.timestamp,
+                durationMs: 0,
+                content: { outputText: item.content, tokenCount: item.tokenCount },
+                tokens: { input: 0, output: item.tokenCount ?? 0 },
+                context: 'subagent' as const,
+              };
+              const preview = truncateText(item.content, 150);
+              const isExpanded = expandedItemId === itemId;
+              return (
+                <TextItem
+                  key={itemId}
+                  step={textStep}
+                  preview={preview}
+                  onClick={() => handleItemClick(itemId)}
+                  isExpanded={isExpanded}
+                  timestamp={item.timestamp}
+                />
+              );
+            }
+
+            case 'tool': {
+              const itemId = `subagent-tool-${item.tool.id}`;
+              const isExpanded = expandedItemId === itemId;
+              const isHighlighted = highlightToolUseId === item.tool.id;
+              return (
+                <LinkedToolItem
+                  key={itemId}
+                  linkedTool={item.tool}
+                  onClick={() => handleItemClick(itemId)}
+                  isExpanded={isExpanded}
+                  timestamp={item.tool.startTime}
+                  isHighlighted={isHighlighted}
+                  highlightColor={highlightColor}
+                  notificationDotColor={notificationColorMap?.get(item.tool.id)}
+                  registerRef={
+                    registerToolRef ? (el) => registerToolRef(item.tool.id, el) : undefined
+                  }
+                />
+              );
+            }
+
+            case 'subagent':
+              return (
+                <div
+                  key={`nested-subagent-${index}`}
+                  className="px-2 py-1 text-xs"
+                  style={{ color: CARD_ICON_MUTED }}
+                >
+                  Nested: {item.subagent.description ?? item.subagent.id}
+                </div>
+              );
+
+            case 'subagent_input': {
+              const itemId = `subagent-input-${index}`;
+              const isExpanded = expandedItemId === itemId;
+              return (
+                <BaseItem
+                  key={itemId}
+                  icon={<MailOpen className="size-4" />}
+                  label="Input"
+                  summary={truncateText(item.content, 80)}
+                  tokenCount={item.tokenCount}
+                  timestamp={item.timestamp}
+                  onClick={() => handleItemClick(itemId)}
+                  isExpanded={isExpanded}
+                >
+                  <MarkdownViewer content={item.content} copyable />
+                </BaseItem>
+              );
+            }
+
+            case 'teammate_message': {
+              const itemId = `subagent-teammate-${item.teammateMessage.id}-${index}`;
+              const isExpanded = expandedItemId === itemId;
+              return (
+                <TeammateMessageItem
+                  key={itemId}
+                  teammateMessage={item.teammateMessage}
+                  onClick={() => handleItemClick(itemId)}
+                  isExpanded={isExpanded}
+                />
+              );
+            }
+
+            case 'compact_boundary': {
+              const itemId = `subagent-compact-${index}`;
+              const isExpanded = expandedItemId === itemId;
+              return (
+                <div key={itemId}>
+                  {/* Header — matches CompactBoundary.tsx amber styling */}
+                  <button
+                    onClick={() => handleItemClick(itemId)}
+                    className="group flex w-full cursor-pointer items-center gap-2 rounded-lg px-3 py-2 transition-all duration-200"
+                    style={{
+                      backgroundColor: TOOL_CALL_BG,
+                      border: `1px solid ${TOOL_CALL_BORDER}`,
+                    }}
+                    aria-expanded={isExpanded}
+                  >
+                    <div
+                      className="flex shrink-0 items-center gap-1.5"
+                      style={{ color: TOOL_CALL_TEXT }}
+                    >
+                      <ChevronRight
+                        size={14}
+                        className={`transition-transform duration-200 ${isExpanded ? 'rotate-90' : ''}`}
+                      />
+                      <Layers size={14} />
+                    </div>
+                    <span
+                      className="shrink-0 text-xs font-medium"
+                      style={{ color: TOOL_CALL_TEXT }}
+                    >
+                      Compacted
+                    </span>
+                    {item.tokenDelta && (
+                      <span
+                        className="min-w-0 truncate text-[11px] tabular-nums"
+                        style={{ color: COLOR_TEXT_MUTED }}
+                      >
+                        {formatTokensCompact(item.tokenDelta.preCompactionTokens)} →{' '}
+                        {formatTokensCompact(item.tokenDelta.postCompactionTokens)}
+                        <span style={{ color: '#4ade80' }}>
+                          {' '}
+                          ({formatTokensCompact(Math.abs(item.tokenDelta.delta))} freed)
+                        </span>
+                      </span>
+                    )}
+                    <span
+                      className="shrink-0 rounded px-1.5 py-0.5 text-[10px]"
+                      style={{
+                        backgroundColor: 'rgba(99, 102, 241, 0.15)',
+                        color: '#818cf8',
+                      }}
+                    >
+                      Phase {item.phaseNumber}
+                    </span>
+                    <span
+                      className="ml-auto shrink-0 text-[11px]"
+                      style={{ color: COLOR_TEXT_MUTED }}
+                    >
+                      {format(new Date(item.timestamp), 'h:mm:ss a')}
+                    </span>
+                  </button>
+                  {/* Expanded content */}
+                  {isExpanded && item.content && (
+                    <div
+                      className="mt-1 overflow-hidden rounded-lg"
+                      style={{
+                        backgroundColor: CODE_BG,
+                        border: `1px solid ${CODE_BORDER}`,
+                      }}
+                    >
+                      <div
+                        className="max-h-64 overflow-y-auto border-l-2 px-3 py-2"
+                        style={{ borderColor: 'var(--chat-ai-border)' }}
+                      >
+                        <MarkdownViewer content={item.content} copyable />
+                      </div>
+                    </div>
+                  )}
+                </div>
+              );
+            }
+
+            default:
+              return null;
+          }
+        })}
       </div>
     );
   }
-
-  return (
-    <div className="space-y-1">
-      {items.map((item, index) => {
-        switch (item.type) {
-          case 'thinking': {
-            const itemId = `subagent-thinking-${index}`;
-            const thinkingStep = {
-              id: itemId,
-              type: 'thinking' as const,
-              startTime: item.timestamp,
-              endTime: item.timestamp,
-              durationMs: 0,
-              content: { thinkingText: item.content, tokenCount: item.tokenCount },
-              tokens: { input: 0, output: item.tokenCount ?? 0 },
-              context: 'subagent' as const,
-            };
-            const preview = truncateText(item.content, 150);
-            const isExpanded = expandedItemId === itemId;
-            return (
-              <ThinkingItem
-                key={itemId}
-                step={thinkingStep}
-                preview={preview}
-                onClick={() => handleItemClick(itemId)}
-                isExpanded={isExpanded}
-                timestamp={item.timestamp}
-              />
-            );
-          }
-
-          case 'output': {
-            const itemId = `subagent-output-${index}`;
-            const textStep = {
-              id: itemId,
-              type: 'output' as const,
-              startTime: item.timestamp,
-              endTime: item.timestamp,
-              durationMs: 0,
-              content: { outputText: item.content, tokenCount: item.tokenCount },
-              tokens: { input: 0, output: item.tokenCount ?? 0 },
-              context: 'subagent' as const,
-            };
-            const preview = truncateText(item.content, 150);
-            const isExpanded = expandedItemId === itemId;
-            return (
-              <TextItem
-                key={itemId}
-                step={textStep}
-                preview={preview}
-                onClick={() => handleItemClick(itemId)}
-                isExpanded={isExpanded}
-                timestamp={item.timestamp}
-              />
-            );
-          }
-
-          case 'tool': {
-            const itemId = `subagent-tool-${item.tool.id}`;
-            const isExpanded = expandedItemId === itemId;
-            const isHighlighted = highlightToolUseId === item.tool.id;
-            return (
-              <LinkedToolItem
-                key={itemId}
-                linkedTool={item.tool}
-                onClick={() => handleItemClick(itemId)}
-                isExpanded={isExpanded}
-                timestamp={item.tool.startTime}
-                isHighlighted={isHighlighted}
-                highlightColor={highlightColor}
-                notificationDotColor={notificationColorMap?.get(item.tool.id)}
-                registerRef={
-                  registerToolRef ? (el) => registerToolRef(item.tool.id, el) : undefined
-                }
-              />
-            );
-          }
-
-          case 'subagent':
-            return (
-              <div
-                key={`nested-subagent-${index}`}
-                className="px-2 py-1 text-xs"
-                style={{ color: CARD_ICON_MUTED }}
-              >
-                Nested: {item.subagent.description ?? item.subagent.id}
-              </div>
-            );
-
-          case 'subagent_input': {
-            const itemId = `subagent-input-${index}`;
-            const isExpanded = expandedItemId === itemId;
-            return (
-              <BaseItem
-                key={itemId}
-                icon={<MailOpen className="size-4" />}
-                label="Input"
-                summary={truncateText(item.content, 80)}
-                tokenCount={item.tokenCount}
-                timestamp={item.timestamp}
-                onClick={() => handleItemClick(itemId)}
-                isExpanded={isExpanded}
-              >
-                <MarkdownViewer content={item.content} copyable />
-              </BaseItem>
-            );
-          }
-
-          case 'teammate_message': {
-            const itemId = `subagent-teammate-${item.teammateMessage.id}-${index}`;
-            const isExpanded = expandedItemId === itemId;
-            return (
-              <TeammateMessageItem
-                key={itemId}
-                teammateMessage={item.teammateMessage}
-                onClick={() => handleItemClick(itemId)}
-                isExpanded={isExpanded}
-              />
-            );
-          }
-
-          case 'compact_boundary': {
-            const itemId = `subagent-compact-${index}`;
-            const isExpanded = expandedItemId === itemId;
-            return (
-              <div key={itemId}>
-                {/* Header — matches CompactBoundary.tsx amber styling */}
-                <button
-                  onClick={() => handleItemClick(itemId)}
-                  className="group flex w-full cursor-pointer items-center gap-2 rounded-lg px-3 py-2 transition-all duration-200"
-                  style={{
-                    backgroundColor: TOOL_CALL_BG,
-                    border: `1px solid ${TOOL_CALL_BORDER}`,
-                  }}
-                  aria-expanded={isExpanded}
-                >
-                  <div
-                    className="flex shrink-0 items-center gap-1.5"
-                    style={{ color: TOOL_CALL_TEXT }}
-                  >
-                    <ChevronRight
-                      size={14}
-                      className={`transition-transform duration-200 ${isExpanded ? 'rotate-90' : ''}`}
-                    />
-                    <Layers size={14} />
-                  </div>
-                  <span className="shrink-0 text-xs font-medium" style={{ color: TOOL_CALL_TEXT }}>
-                    Compacted
-                  </span>
-                  {item.tokenDelta && (
-                    <span
-                      className="min-w-0 truncate text-[11px] tabular-nums"
-                      style={{ color: COLOR_TEXT_MUTED }}
-                    >
-                      {formatTokensCompact(item.tokenDelta.preCompactionTokens)} →{' '}
-                      {formatTokensCompact(item.tokenDelta.postCompactionTokens)}
-                      <span style={{ color: '#4ade80' }}>
-                        {' '}
-                        ({formatTokensCompact(Math.abs(item.tokenDelta.delta))} freed)
-                      </span>
-                    </span>
-                  )}
-                  <span
-                    className="shrink-0 rounded px-1.5 py-0.5 text-[10px]"
-                    style={{
-                      backgroundColor: 'rgba(99, 102, 241, 0.15)',
-                      color: '#818cf8',
-                    }}
-                  >
-                    Phase {item.phaseNumber}
-                  </span>
-                  <span
-                    className="ml-auto shrink-0 text-[11px]"
-                    style={{ color: COLOR_TEXT_MUTED }}
-                  >
-                    {format(new Date(item.timestamp), 'h:mm:ss a')}
-                  </span>
-                </button>
-                {/* Expanded content */}
-                {isExpanded && item.content && (
-                  <div
-                    className="mt-1 overflow-hidden rounded-lg"
-                    style={{
-                      backgroundColor: CODE_BG,
-                      border: `1px solid ${CODE_BORDER}`,
-                    }}
-                  >
-                    <div
-                      className="max-h-64 overflow-y-auto border-l-2 px-3 py-2"
-                      style={{ borderColor: 'var(--chat-ai-border)' }}
-                    >
-                      <MarkdownViewer content={item.content} copyable />
-                    </div>
-                  </div>
-                )}
-              </div>
-            );
-          }
-
-          default:
-            return null;
-        }
-      })}
-    </div>
-  );
-};
+);

src/renderer/components/chat/items/LinkedToolItem.tsx

@@ -6,7 +6,7 @@
  * for summary generation and token calculation.
  */
 
-import React, { useRef } from 'react';
+import React, { memo, useRef } from 'react';
 
 import { CARD_ICON_MUTED } from '@renderer/constants/cssVariables';
 import { getTeamColorSet, getThemedBadge } from '@renderer/constants/teamColors';
@@ -64,173 +64,175 @@ interface LinkedToolItemProps {
   titleText?: string;
 }
 
-export const LinkedToolItem: React.FC<LinkedToolItemProps> = ({
-  linkedTool,
-  onClick,
-  isExpanded,
-  timestamp,
-  timestampFormat,
-  searchQueryOverride,
-  isHighlighted,
-  highlightColor,
-  notificationDotColor,
-  registerRef,
-  titleText,
-}) => {
-  const status = getToolStatus(linkedTool);
-  const { isLight } = useTheme();
-  const summary = getToolSummary(linkedTool.name, linkedTool.input);
-  const normalizedToolName = linkedTool.name.toLowerCase();
-  const summaryNode =
-    searchQueryOverride && searchQueryOverride.trim().length > 0
-      ? highlightQueryInText(
-          summary,
-          searchQueryOverride,
-          `${linkedTool.id ?? linkedTool.name}:summary`,
-          {
-            forceAllActive: true,
-          }
-        )
-      : summary;
-  const elementRef = useRef<HTMLDivElement>(null);
+export const LinkedToolItem = memo(
+  ({
+    linkedTool,
+    onClick,
+    isExpanded,
+    timestamp,
+    timestampFormat,
+    searchQueryOverride,
+    isHighlighted,
+    highlightColor,
+    notificationDotColor,
+    registerRef,
+    titleText,
+  }: LinkedToolItemProps): React.JSX.Element => {
+    const status = getToolStatus(linkedTool);
+    const { isLight } = useTheme();
+    const summary = getToolSummary(linkedTool.name, linkedTool.input);
+    const normalizedToolName = linkedTool.name.toLowerCase();
+    const summaryNode =
+      searchQueryOverride && searchQueryOverride.trim().length > 0
+        ? highlightQueryInText(
+            summary,
+            searchQueryOverride,
+            `${linkedTool.id ?? linkedTool.name}:summary`,
+            {
+              forceAllActive: true,
+            }
+          )
+        : summary;
+    const elementRef = useRef<HTMLDivElement>(null);
 
-  // Combined ref callback - handles both internal ref and external registration
-  const handleRef = (el: HTMLDivElement | null): void => {
-    // Update internal ref
-    (elementRef as React.MutableRefObject<HTMLDivElement | null>).current = el;
-    // Call external registration if provided
-    registerRef?.(el);
-  };
+    // Combined ref callback - handles both internal ref and external registration
+    const handleRef = (el: HTMLDivElement | null): void => {
+      // Update internal ref
+      (elementRef as React.MutableRefObject<HTMLDivElement | null>).current = el;
+      // Call external registration if provided
+      registerRef?.(el);
+    };
 
-  // Render teammate_spawned results as a minimal inline row
-  const isTeammateSpawned = linkedTool.result?.toolUseResult?.status === 'teammate_spawned';
-  if (isTeammateSpawned) {
-    const teamResult = linkedTool.result!.toolUseResult!;
-    const name = (teamResult.name as string) || 'teammate';
-    const color = (teamResult.color as string) || '';
-    const colors = getTeamColorSet(color);
-    return (
-      <div ref={handleRef} className="flex items-center gap-2 px-3 py-1.5">
-        <span className="size-2.5 rounded-full" style={{ backgroundColor: colors.border }} />
-        <span
-          className="rounded px-1.5 py-0.5 text-[10px] font-medium"
-          style={{ backgroundColor: getThemedBadge(colors, isLight), color: colors.text }}
-        >
-          {name}
-        </span>
-        <span className="text-xs" style={{ color: CARD_ICON_MUTED }}>
-          Teammate spawned
-        </span>
-      </div>
-    );
-  }
-
-  // Render SendMessage shutdown_request as a minimal inline row
-  const isShutdownRequest =
-    linkedTool.name === 'SendMessage' && linkedTool.input?.type === 'shutdown_request';
-  if (isShutdownRequest) {
-    const target = (linkedTool.input?.recipient as string) || 'teammate';
-    return (
-      <div ref={handleRef} className="flex items-center gap-2 px-3 py-1.5">
-        <span className="size-2 rounded-full bg-zinc-500" />
-        <span className="text-xs" style={{ color: CARD_ICON_MUTED }}>
-          Shutdown requested &rarr;{' '}
-          <span className="font-medium text-text-secondary">{target}</span>
-        </span>
-      </div>
-    );
-  }
-
-  // Note: We no longer scroll locally - the navigation coordinator handles this
-  // via the registered ref. This prevents double-scroll issues.
-
-  // Highlight animation for error deep linking (supports custom hex)
-  const effectiveColor = highlightColor ?? 'red';
-  let highlightClasses = '';
-  let highlightStyle: React.CSSProperties | undefined;
-  if (isHighlighted) {
-    if (isPresetColorKey(effectiveColor)) {
-      highlightClasses = TOOL_HIGHLIGHT_CLASSES[effectiveColor];
-    } else {
-      const hp = getToolHighlightProps(effectiveColor);
-      highlightClasses = hp.className;
-      highlightStyle = hp.style;
-    }
-  }
-
-  // Determine which specialized viewer to use
-  const useReadViewer =
-    normalizedToolName === 'read' && hasReadContent(linkedTool) && !linkedTool.result?.isError;
-  const useEditViewer = normalizedToolName === 'edit' && hasEditContent(linkedTool);
-  const useWriteViewer =
-    normalizedToolName === 'write' && hasWriteContent(linkedTool) && !linkedTool.result?.isError;
-  const useSkillViewer = linkedTool.name === 'Skill' && hasSkillInstructions(linkedTool);
-  const useDefaultViewer = !useReadViewer && !useEditViewer && !useWriteViewer && !useSkillViewer;
-
-  // Check if we should show error display for Read/Write tools
-  const showReadError = normalizedToolName === 'read' && linkedTool.result?.isError;
-  const showWriteError = normalizedToolName === 'write' && linkedTool.result?.isError;
-
-  return (
-    <div ref={handleRef}>
-      <BaseItem
-        icon={
-          <Wrench
-            className="size-4"
-            style={{ color: isHighlighted ? getTriggerColorDef(highlightColor).hex : undefined }}
-          />
-        }
-        label={linkedTool.name}
-        summary={summaryNode}
-        tokenCount={getToolContextTokens(linkedTool)}
-        status={status}
-        durationMs={linkedTool.durationMs}
-        timestamp={timestamp}
-        timestampFormat={timestampFormat}
-        titleText={titleText}
-        onClick={onClick}
-        isExpanded={isExpanded}
-        highlightClasses={highlightClasses}
-        highlightStyle={highlightStyle}
-        notificationDotColor={notificationDotColor}
-      >
-        {/* Read tool with CodeBlockViewer */}
-        {useReadViewer && <ReadToolViewer linkedTool={linkedTool} />}
-
-        {/* Edit tool with DiffViewer */}
-        {useEditViewer && <EditToolViewer linkedTool={linkedTool} status={status} />}
-
-        {/* Write tool */}
-        {useWriteViewer && <WriteToolViewer linkedTool={linkedTool} />}
-
-        {/* Skill tool with instructions */}
-        {useSkillViewer && <SkillToolViewer linkedTool={linkedTool} />}
-
-        {/* Default rendering for other tools */}
-        {useDefaultViewer && <DefaultToolViewer linkedTool={linkedTool} status={status} />}
-
-        {/* Error output for Read tool */}
-        {showReadError && <ToolErrorDisplay linkedTool={linkedTool} />}
-
-        {/* Error output for Write tool */}
-        {showWriteError && <ToolErrorDisplay linkedTool={linkedTool} />}
-
-        {/* Orphaned indicator */}
-        {linkedTool.isOrphaned && (
-          <div
-            className="flex items-center gap-2 text-xs italic"
-            style={{ color: 'var(--tool-item-muted)' }}
+    // Render teammate_spawned results as a minimal inline row
+    const isTeammateSpawned = linkedTool.result?.toolUseResult?.status === 'teammate_spawned';
+    if (isTeammateSpawned) {
+      const teamResult = linkedTool.result!.toolUseResult!;
+      const name = (teamResult.name as string) || 'teammate';
+      const color = (teamResult.color as string) || '';
+      const colors = getTeamColorSet(color);
+      return (
+        <div ref={handleRef} className="flex items-center gap-2 px-3 py-1.5">
+          <span className="size-2.5 rounded-full" style={{ backgroundColor: colors.border }} />
+          <span
+            className="rounded px-1.5 py-0.5 text-[10px] font-medium"
+            style={{ backgroundColor: getThemedBadge(colors, isLight), color: colors.text }}
           >
-            <StatusDot status="orphaned" />
-            No result received
-          </div>
-        )}
-
-        {/* Timing */}
-        <div className="text-xs" style={{ color: 'var(--tool-item-muted)' }}>
-          Duration: {formatDuration(linkedTool.durationMs)}
+            {name}
+          </span>
+          <span className="text-xs" style={{ color: CARD_ICON_MUTED }}>
+            Teammate spawned
+          </span>
         </div>
-      </BaseItem>
-    </div>
-  );
-};
+      );
+    }
+
+    // Render SendMessage shutdown_request as a minimal inline row
+    const isShutdownRequest =
+      linkedTool.name === 'SendMessage' && linkedTool.input?.type === 'shutdown_request';
+    if (isShutdownRequest) {
+      const target = (linkedTool.input?.recipient as string) || 'teammate';
+      return (
+        <div ref={handleRef} className="flex items-center gap-2 px-3 py-1.5">
+          <span className="size-2 rounded-full bg-zinc-500" />
+          <span className="text-xs" style={{ color: CARD_ICON_MUTED }}>
+            Shutdown requested &rarr;{' '}
+            <span className="font-medium text-text-secondary">{target}</span>
+          </span>
+        </div>
+      );
+    }
+
+    // Note: We no longer scroll locally - the navigation coordinator handles this
+    // via the registered ref. This prevents double-scroll issues.
+
+    // Highlight animation for error deep linking (supports custom hex)
+    const effectiveColor = highlightColor ?? 'red';
+    let highlightClasses = '';
+    let highlightStyle: React.CSSProperties | undefined;
+    if (isHighlighted) {
+      if (isPresetColorKey(effectiveColor)) {
+        highlightClasses = TOOL_HIGHLIGHT_CLASSES[effectiveColor];
+      } else {
+        const hp = getToolHighlightProps(effectiveColor);
+        highlightClasses = hp.className;
+        highlightStyle = hp.style;
+      }
+    }
+
+    // Determine which specialized viewer to use
+    const useReadViewer =
+      normalizedToolName === 'read' && hasReadContent(linkedTool) && !linkedTool.result?.isError;
+    const useEditViewer = normalizedToolName === 'edit' && hasEditContent(linkedTool);
+    const useWriteViewer =
+      normalizedToolName === 'write' && hasWriteContent(linkedTool) && !linkedTool.result?.isError;
+    const useSkillViewer = linkedTool.name === 'Skill' && hasSkillInstructions(linkedTool);
+    const useDefaultViewer = !useReadViewer && !useEditViewer && !useWriteViewer && !useSkillViewer;
+
+    // Check if we should show error display for Read/Write tools
+    const showReadError = normalizedToolName === 'read' && linkedTool.result?.isError;
+    const showWriteError = normalizedToolName === 'write' && linkedTool.result?.isError;
+
+    return (
+      <div ref={handleRef}>
+        <BaseItem
+          icon={
+            <Wrench
+              className="size-4"
+              style={{ color: isHighlighted ? getTriggerColorDef(highlightColor).hex : undefined }}
+            />
+          }
+          label={linkedTool.name}
+          summary={summaryNode}
+          tokenCount={getToolContextTokens(linkedTool)}
+          status={status}
+          durationMs={linkedTool.durationMs}
+          timestamp={timestamp}
+          timestampFormat={timestampFormat}
+          titleText={titleText}
+          onClick={onClick}
+          isExpanded={isExpanded}
+          highlightClasses={highlightClasses}
+          highlightStyle={highlightStyle}
+          notificationDotColor={notificationDotColor}
+        >
+          {/* Read tool with CodeBlockViewer */}
+          {useReadViewer && <ReadToolViewer linkedTool={linkedTool} />}
+
+          {/* Edit tool with DiffViewer */}
+          {useEditViewer && <EditToolViewer linkedTool={linkedTool} status={status} />}
+
+          {/* Write tool */}
+          {useWriteViewer && <WriteToolViewer linkedTool={linkedTool} />}
+
+          {/* Skill tool with instructions */}
+          {useSkillViewer && <SkillToolViewer linkedTool={linkedTool} />}
+
+          {/* Default rendering for other tools */}
+          {useDefaultViewer && <DefaultToolViewer linkedTool={linkedTool} status={status} />}
+
+          {/* Error output for Read tool */}
+          {showReadError && <ToolErrorDisplay linkedTool={linkedTool} />}
+
+          {/* Error output for Write tool */}
+          {showWriteError && <ToolErrorDisplay linkedTool={linkedTool} />}
+
+          {/* Orphaned indicator */}
+          {linkedTool.isOrphaned && (
+            <div
+              className="flex items-center gap-2 text-xs italic"
+              style={{ color: 'var(--tool-item-muted)' }}
+            >
+              <StatusDot status="orphaned" />
+              No result received
+            </div>
+          )}
+
+          {/* Timing */}
+          <div className="text-xs" style={{ color: 'var(--tool-item-muted)' }}>
+            Duration: {formatDuration(linkedTool.durationMs)}
+          </div>
+        </BaseItem>
+      </div>
+    );
+  }
+);

src/renderer/components/chat/items/MetricsPill.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect, useRef, useState } from 'react';
+import React, { memo, useEffect, useRef, useState } from 'react';
 import { createPortal } from 'react-dom';
 
 import {
@@ -41,175 +41,177 @@ interface MetricsPillProps {
 // Unified Metrics Pill - Compact monospace pill with tooltip
 // =============================================================================
 
-export const MetricsPill = ({
-  mainSessionImpact,
-  lastUsage,
-  isolatedLabel,
-  isolatedOverride,
-  phaseBreakdown,
-}: Readonly<MetricsPillProps>): React.ReactElement | null => {
-  const [showTooltip, setShowTooltip] = useState(false);
-  const [tooltipStyle, setTooltipStyle] = useState<React.CSSProperties>({});
-  const containerRef = useRef<HTMLDivElement>(null);
-  const hideTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+export const MetricsPill = memo(
+  ({
+    mainSessionImpact,
+    lastUsage,
+    isolatedLabel,
+    isolatedOverride,
+    phaseBreakdown,
+  }: Readonly<MetricsPillProps>): React.ReactElement | null => {
+    const [showTooltip, setShowTooltip] = useState(false);
+    const [tooltipStyle, setTooltipStyle] = useState<React.CSSProperties>({});
+    const containerRef = useRef<HTMLDivElement>(null);
+    const hideTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
 
-  const hasMainImpact = mainSessionImpact && mainSessionImpact.totalTokens > 0;
-  const hasIsolated =
-    isolatedOverride != null
-      ? isolatedOverride > 0
-      : lastUsage && lastUsage.input_tokens + lastUsage.output_tokens > 0;
+    const hasMainImpact = mainSessionImpact && mainSessionImpact.totalTokens > 0;
+    const hasIsolated =
+      isolatedOverride != null
+        ? isolatedOverride > 0
+        : lastUsage && lastUsage.input_tokens + lastUsage.output_tokens > 0;
 
-  const isolatedTotal =
-    isolatedOverride ??
-    (lastUsage
-      ? lastUsage.input_tokens +
-        lastUsage.output_tokens +
-        (lastUsage.cache_read_input_tokens ?? 0) +
-        (lastUsage.cache_creation_input_tokens ?? 0)
-      : 0);
+    const isolatedTotal =
+      isolatedOverride ??
+      (lastUsage
+        ? lastUsage.input_tokens +
+          lastUsage.output_tokens +
+          (lastUsage.cache_read_input_tokens ?? 0) +
+          (lastUsage.cache_creation_input_tokens ?? 0)
+        : 0);
 
-  const hasPhases = phaseBreakdown && phaseBreakdown.length > 1;
+    const hasPhases = phaseBreakdown && phaseBreakdown.length > 1;
 
-  const clearHideTimeout = (): void => {
-    if (hideTimeoutRef.current) {
-      clearTimeout(hideTimeoutRef.current);
-      hideTimeoutRef.current = null;
-    }
-  };
-
-  const handleMouseEnter = (): void => {
-    clearHideTimeout();
-    setShowTooltip(true);
-  };
-
-  const handleMouseLeave = (): void => {
-    clearHideTimeout();
-    hideTimeoutRef.current = setTimeout(() => setShowTooltip(false), 100);
-  };
-
-  useEffect(() => {
-    if (showTooltip && containerRef.current) {
-      const rect = containerRef.current.getBoundingClientRect();
-      const tooltipWidth = 220;
-      let left = rect.left + rect.width / 2 - tooltipWidth / 2;
-      if (left < 8) left = 8;
-      if (left + tooltipWidth > window.innerWidth - 8) {
-        left = window.innerWidth - tooltipWidth - 8;
+    const clearHideTimeout = (): void => {
+      if (hideTimeoutRef.current) {
+        clearTimeout(hideTimeoutRef.current);
+        hideTimeoutRef.current = null;
       }
-      setTooltipStyle({
-        position: 'fixed',
-        bottom: window.innerHeight - rect.top + 6,
-        left,
-        width: tooltipWidth,
-        zIndex: 99999,
-      });
+    };
+
+    const handleMouseEnter = (): void => {
+      clearHideTimeout();
+      setShowTooltip(true);
+    };
+
+    const handleMouseLeave = (): void => {
+      clearHideTimeout();
+      hideTimeoutRef.current = setTimeout(() => setShowTooltip(false), 100);
+    };
+
+    useEffect(() => {
+      if (showTooltip && containerRef.current) {
+        const rect = containerRef.current.getBoundingClientRect();
+        const tooltipWidth = 220;
+        let left = rect.left + rect.width / 2 - tooltipWidth / 2;
+        if (left < 8) left = 8;
+        if (left + tooltipWidth > window.innerWidth - 8) {
+          left = window.innerWidth - tooltipWidth - 8;
+        }
+        setTooltipStyle({
+          position: 'fixed',
+          bottom: window.innerHeight - rect.top + 6,
+          left,
+          width: tooltipWidth,
+          zIndex: 99999,
+        });
+      }
+    }, [showTooltip]);
+
+    useEffect(() => {
+      if (!showTooltip) return;
+      const handleScroll = (): void => setShowTooltip(false);
+      window.addEventListener('scroll', handleScroll, true);
+      return () => window.removeEventListener('scroll', handleScroll, true);
+    }, [showTooltip]);
+
+    useEffect(() => {
+      return () => clearHideTimeout();
+    }, []);
+
+    if (!hasMainImpact && !hasIsolated) {
+      return null;
     }
-  }, [showTooltip]);
 
-  useEffect(() => {
-    if (!showTooltip) return;
-    const handleScroll = (): void => setShowTooltip(false);
-    window.addEventListener('scroll', handleScroll, true);
-    return () => window.removeEventListener('scroll', handleScroll, true);
-  }, [showTooltip]);
+    const mainValue = hasMainImpact ? formatTokensCompact(mainSessionImpact.totalTokens) : null;
+    const isolatedValue = hasIsolated ? formatTokensCompact(isolatedTotal) : null;
+    const rightLabel = isolatedLabel ?? 'Subagent Context';
 
-  useEffect(() => {
-    return () => clearHideTimeout();
-  }, []);
+    return (
+      <>
+        <div
+          ref={containerRef}
+          role="tooltip"
+          className="inline-flex cursor-default items-center gap-1 rounded px-1.5 py-0.5 font-mono text-[11px]"
+          style={{
+            backgroundColor: TAG_BG,
+            border: `1px solid ${TAG_BORDER}`,
+            color: TAG_TEXT,
+          }}
+          onMouseEnter={handleMouseEnter}
+          onMouseLeave={handleMouseLeave}
+        >
+          {mainValue && <span className="tabular-nums">{mainValue}</span>}
+          {mainValue && isolatedValue && <span style={{ color: CARD_SEPARATOR }}>|</span>}
+          {isolatedValue && <span className="tabular-nums">{isolatedValue}</span>}
+        </div>
 
-  if (!hasMainImpact && !hasIsolated) {
-    return null;
-  }
-
-  const mainValue = hasMainImpact ? formatTokensCompact(mainSessionImpact.totalTokens) : null;
-  const isolatedValue = hasIsolated ? formatTokensCompact(isolatedTotal) : null;
-  const rightLabel = isolatedLabel ?? 'Subagent Context';
-
-  return (
-    <>
-      <div
-        ref={containerRef}
-        role="tooltip"
-        className="inline-flex cursor-default items-center gap-1 rounded px-1.5 py-0.5 font-mono text-[11px]"
-        style={{
-          backgroundColor: TAG_BG,
-          border: `1px solid ${TAG_BORDER}`,
-          color: TAG_TEXT,
-        }}
-        onMouseEnter={handleMouseEnter}
-        onMouseLeave={handleMouseLeave}
-      >
-        {mainValue && <span className="tabular-nums">{mainValue}</span>}
-        {mainValue && isolatedValue && <span style={{ color: CARD_SEPARATOR }}>|</span>}
-        {isolatedValue && <span className="tabular-nums">{isolatedValue}</span>}
-      </div>
-
-      {showTooltip &&
-        createPortal(
-          <div
-            role="tooltip"
-            className="rounded-md bg-surface-overlay p-2 text-[11px] shadow-xl"
-            style={{
-              ...tooltipStyle,
-              border: `1px solid ${TAG_BORDER}`,
-            }}
-            onMouseEnter={handleMouseEnter}
-            onMouseLeave={handleMouseLeave}
-          >
-            <div className="space-y-1">
-              {hasMainImpact && (
-                <div className="flex items-center justify-between gap-3">
-                  <span style={{ color: COLOR_TEXT_MUTED }}>Main Context</span>
-                  <span className="font-mono tabular-nums" style={{ color: CARD_TEXT_LIGHT }}>
-                    {mainSessionImpact.totalTokens.toLocaleString()}
-                  </span>
-                </div>
-              )}
-              {hasIsolated && (
-                <div className="flex items-center justify-between gap-3">
-                  <span style={{ color: COLOR_TEXT_MUTED }}>{rightLabel}</span>
-                  <span className="font-mono tabular-nums" style={{ color: CARD_TEXT_LIGHT }}>
-                    {isolatedTotal.toLocaleString()}
-                  </span>
-                </div>
-              )}
-              {hasPhases &&
-                phaseBreakdown.map((phase) => (
-                  <div
-                    key={phase.phaseNumber}
-                    className="flex items-center justify-between gap-3 pl-2"
-                  >
-                    <span className="text-[10px]" style={{ color: CARD_ICON_MUTED }}>
-                      Phase {phase.phaseNumber}
-                    </span>
-                    <span
-                      className="font-mono text-[10px] tabular-nums"
-                      style={{ color: CARD_ICON_MUTED }}
-                    >
-                      {formatTokensCompact(phase.peakTokens)}
-                      {phase.postCompaction != null && (
-                        <span style={{ color: '#4ade80' }}>
-                          {' '}
-                          → {formatTokensCompact(phase.postCompaction)}
-                        </span>
-                      )}
+        {showTooltip &&
+          createPortal(
+            <div
+              role="tooltip"
+              className="rounded-md bg-surface-overlay p-2 text-[11px] shadow-xl"
+              style={{
+                ...tooltipStyle,
+                border: `1px solid ${TAG_BORDER}`,
+              }}
+              onMouseEnter={handleMouseEnter}
+              onMouseLeave={handleMouseLeave}
+            >
+              <div className="space-y-1">
+                {hasMainImpact && (
+                  <div className="flex items-center justify-between gap-3">
+                    <span style={{ color: COLOR_TEXT_MUTED }}>Main Context</span>
+                    <span className="font-mono tabular-nums" style={{ color: CARD_TEXT_LIGHT }}>
+                      {mainSessionImpact.totalTokens.toLocaleString()}
                     </span>
                   </div>
-                ))}
-              <div
-                className="mt-1 pt-1.5 text-[10px]"
-                style={{ borderTop: `1px solid ${TAG_BORDER}`, color: CARD_ICON_MUTED }}
-              >
-                {hasMainImpact && hasIsolated
-                  ? 'Left: parent injection · Right: internal'
-                  : hasMainImpact
-                    ? 'Tokens injected to parent'
-                    : 'Internal token usage'}
+                )}
+                {hasIsolated && (
+                  <div className="flex items-center justify-between gap-3">
+                    <span style={{ color: COLOR_TEXT_MUTED }}>{rightLabel}</span>
+                    <span className="font-mono tabular-nums" style={{ color: CARD_TEXT_LIGHT }}>
+                      {isolatedTotal.toLocaleString()}
+                    </span>
+                  </div>
+                )}
+                {hasPhases &&
+                  phaseBreakdown.map((phase) => (
+                    <div
+                      key={phase.phaseNumber}
+                      className="flex items-center justify-between gap-3 pl-2"
+                    >
+                      <span className="text-[10px]" style={{ color: CARD_ICON_MUTED }}>
+                        Phase {phase.phaseNumber}
+                      </span>
+                      <span
+                        className="font-mono text-[10px] tabular-nums"
+                        style={{ color: CARD_ICON_MUTED }}
+                      >
+                        {formatTokensCompact(phase.peakTokens)}
+                        {phase.postCompaction != null && (
+                          <span style={{ color: '#4ade80' }}>
+                            {' '}
+                            → {formatTokensCompact(phase.postCompaction)}
+                          </span>
+                        )}
+                      </span>
+                    </div>
+                  ))}
+                <div
+                  className="mt-1 pt-1.5 text-[10px]"
+                  style={{ borderTop: `1px solid ${TAG_BORDER}`, color: CARD_ICON_MUTED }}
+                >
+                  {hasMainImpact && hasIsolated
+                    ? 'Left: parent injection · Right: internal'
+                    : hasMainImpact
+                      ? 'Tokens injected to parent'
+                      : 'Internal token usage'}
+                </div>
               </div>
-            </div>
-          </div>,
-          document.body
-        )}
-    </>
-  );
-};
+            </div>,
+            document.body
+          )}
+      </>
+    );
+  }
+);

src/renderer/components/chat/items/SlashItem.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { memo } from 'react';
 
 import { Slash } from 'lucide-react';
 
@@ -34,48 +34,50 @@ interface SlashItemProps {
  * - MCP commands
  * - User-defined commands
  */
-export const SlashItem: React.FC<SlashItemProps> = ({
-  slash,
-  onClick,
-  isExpanded,
-  timestamp,
-  timestampFormat,
-  highlightClasses,
-  highlightStyle,
-  notificationDotColor,
-  titleText,
-}) => {
-  const hasInstructions = !!slash.instructions;
+export const SlashItem = memo(
+  ({
+    slash,
+    onClick,
+    isExpanded,
+    timestamp,
+    timestampFormat,
+    highlightClasses,
+    highlightStyle,
+    notificationDotColor,
+    titleText,
+  }: SlashItemProps): React.JSX.Element => {
+    const hasInstructions = !!slash.instructions;
 
-  // Display args or message as the description
-  const description = slash.args ?? slash.message;
+    // Display args or message as the description
+    const description = slash.args ?? slash.message;
 
-  return (
-    <BaseItem
-      icon={<Slash className="size-4" />}
-      label={`/${slash.name}`}
-      summary={description}
-      tokenCount={slash.instructionsTokenCount}
-      tokenLabel="tokens"
-      status={hasInstructions ? 'ok' : undefined}
-      timestamp={timestamp}
-      timestampFormat={timestampFormat}
-      titleText={titleText}
-      onClick={onClick}
-      isExpanded={isExpanded}
-      hasExpandableContent={hasInstructions}
-      highlightClasses={highlightClasses}
-      highlightStyle={highlightStyle}
-      notificationDotColor={notificationDotColor}
-    >
-      {hasInstructions && (
-        <MarkdownViewer
-          content={slash.instructions!}
-          label="Slash Output"
-          maxHeight="max-h-96"
-          copyable
-        />
-      )}
-    </BaseItem>
-  );
-};
+    return (
+      <BaseItem
+        icon={<Slash className="size-4" />}
+        label={`/${slash.name}`}
+        summary={description}
+        tokenCount={slash.instructionsTokenCount}
+        tokenLabel="tokens"
+        status={hasInstructions ? 'ok' : undefined}
+        timestamp={timestamp}
+        timestampFormat={timestampFormat}
+        titleText={titleText}
+        onClick={onClick}
+        isExpanded={isExpanded}
+        hasExpandableContent={hasInstructions}
+        highlightClasses={highlightClasses}
+        highlightStyle={highlightStyle}
+        notificationDotColor={notificationDotColor}
+      >
+        {hasInstructions && (
+          <MarkdownViewer
+            content={slash.instructions!}
+            label="Slash Output"
+            maxHeight="max-h-96"
+            copyable
+          />
+        )}
+      </BaseItem>
+    );
+  }
+);

src/renderer/components/chat/items/TeammateMessageItem.tsx

@@ -1,4 +1,4 @@
-import React, { useMemo } from 'react';
+import React, { memo, useMemo } from 'react';
 
 import {
   CARD_BG,
@@ -75,187 +75,192 @@ function isResendMessage(message: TeammateMessage): boolean {
  *
  * Operational noise (idle/shutdown/terminated) renders as minimal inline text.
  */
-export const TeammateMessageItem: React.FC<TeammateMessageItemProps> = ({
-  teammateMessage,
-  onClick,
-  isExpanded,
-  onReplyHover,
-  highlightClasses = '',
-  highlightStyle,
-}) => {
-  const colors = getTeamColorSet(teammateMessage.color);
-  const { isLight } = useTheme();
+export const TeammateMessageItem = memo(
+  ({
+    teammateMessage,
+    onClick,
+    isExpanded,
+    onReplyHover,
+    highlightClasses = '',
+    highlightStyle,
+  }: TeammateMessageItemProps): React.JSX.Element => {
+    const colors = getTeamColorSet(teammateMessage.color);
+    const { isLight } = useTheme();
 
-  // Get team members for @mention highlighting
-  const members = useStore(
-    useShallow((s) => selectResolvedMembersForTeamName(s, s.selectedTeamName))
-  );
-  const memberColorMap = useMemo(
-    () => (members ? buildMemberColorMap(members) : new Map<string, string>()),
-    [members]
-  );
-
-  // Get team names for @team linkification
-  const teams = useStore(useShallow((s) => s.teams));
-  const teamNames = useMemo(
-    () => teams.filter((t) => !t.deletedAt).map((t) => t.teamName),
-    [teams]
-  );
-
-  // Detect operational noise
-  const noiseLabel = useMemo(
-    () => detectOperationalNoise(teammateMessage.content, teammateMessage.teammateId),
-    [teammateMessage.content, teammateMessage.teammateId]
-  );
-
-  // Detect resent/duplicate messages
-  const isResend = useMemo(() => isResendMessage(teammateMessage), [teammateMessage]);
-
-  const plainSummary = useMemo(
-    () => extractMarkdownPlainText(teammateMessage.summary),
-    [teammateMessage.summary]
-  );
-  const plainReplyToSummary = useMemo(
-    () =>
-      teammateMessage.replyToSummary
-        ? extractMarkdownPlainText(teammateMessage.replyToSummary)
-        : undefined,
-    [teammateMessage.replyToSummary]
-  );
-
-  const displayContent = useMemo(() => {
-    const stripped = stripAgentBlocks(teammateMessage.content);
-    return linkifyAllMentionsInMarkdown(stripped, memberColorMap, teamNames);
-  }, [teammateMessage.content, memberColorMap, teamNames]);
-
-  // Noise: minimal inline row (no card, no expand)
-  if (noiseLabel) {
-    return (
-      <div className="flex items-center gap-2 px-3 py-1" style={{ opacity: 0.45 }}>
-        <span className="size-2 shrink-0 rounded-full" style={{ backgroundColor: colors.border }} />
-        <span className="text-[11px]" style={{ color: CARD_ICON_MUTED }}>
-          {teammateMessage.teammateId}
-        </span>
-        <span className="text-[11px]" style={{ color: CARD_ICON_MUTED }}>
-          {noiseLabel}
-        </span>
-      </div>
+    // Get team members for @mention highlighting
+    const members = useStore(
+      useShallow((s) => selectResolvedMembersForTeamName(s, s.selectedTeamName))
+    );
+    const memberColorMap = useMemo(
+      () => (members ? buildMemberColorMap(members) : new Map<string, string>()),
+      [members]
     );
-  }
 
-  const truncatedSummary =
-    plainSummary.length > 80 ? plainSummary.slice(0, 80) + '...' : plainSummary;
+    // Get team names for @team linkification
+    const teams = useStore(useShallow((s) => s.teams));
+    const teamNames = useMemo(
+      () => teams.filter((t) => !t.deletedAt).map((t) => t.teamName),
+      [teams]
+    );
 
-  return (
-    <div
-      className={`overflow-hidden rounded-md transition-[background-color,box-shadow] duration-300 ${highlightClasses}`}
-      style={{
-        backgroundColor: CARD_BG,
-        border: CARD_BORDER_STYLE,
-        borderLeft: `3px solid ${colors.border}`,
-        opacity: isResend ? 0.6 : undefined,
-        ...highlightStyle,
-      }}
-    >
-      {/* Header */}
+    // Detect operational noise
+    const noiseLabel = useMemo(
+      () => detectOperationalNoise(teammateMessage.content, teammateMessage.teammateId),
+      [teammateMessage.content, teammateMessage.teammateId]
+    );
+
+    // Detect resent/duplicate messages
+    const isResend = useMemo(() => isResendMessage(teammateMessage), [teammateMessage]);
+
+    const plainSummary = useMemo(
+      () => extractMarkdownPlainText(teammateMessage.summary),
+      [teammateMessage.summary]
+    );
+    const plainReplyToSummary = useMemo(
+      () =>
+        teammateMessage.replyToSummary
+          ? extractMarkdownPlainText(teammateMessage.replyToSummary)
+          : undefined,
+      [teammateMessage.replyToSummary]
+    );
+
+    const displayContent = useMemo(() => {
+      const stripped = stripAgentBlocks(teammateMessage.content);
+      return linkifyAllMentionsInMarkdown(stripped, memberColorMap, teamNames);
+    }, [teammateMessage.content, memberColorMap, teamNames]);
+
+    // Noise: minimal inline row (no card, no expand)
+    if (noiseLabel) {
+      return (
+        <div className="flex items-center gap-2 px-3 py-1" style={{ opacity: 0.45 }}>
+          <span
+            className="size-2 shrink-0 rounded-full"
+            style={{ backgroundColor: colors.border }}
+          />
+          <span className="text-[11px]" style={{ color: CARD_ICON_MUTED }}>
+            {teammateMessage.teammateId}
+          </span>
+          <span className="text-[11px]" style={{ color: CARD_ICON_MUTED }}>
+            {noiseLabel}
+          </span>
+        </div>
+      );
+    }
+
+    const truncatedSummary =
+      plainSummary.length > 80 ? plainSummary.slice(0, 80) + '...' : plainSummary;
+
+    return (
       <div
-        role="button"
-        tabIndex={0}
-        onClick={onClick}
-        onKeyDown={(e) => {
-          if (e.key === 'Enter' || e.key === ' ') {
-            e.preventDefault();
-            onClick();
-          }
-        }}
-        className="flex cursor-pointer items-center gap-2 px-3 py-2 transition-colors"
+        className={`overflow-hidden rounded-md transition-[background-color,box-shadow] duration-300 ${highlightClasses}`}
         style={{
-          backgroundColor: isExpanded ? CARD_HEADER_BG : 'transparent',
-          borderBottom: isExpanded ? CARD_BORDER_STYLE : 'none',
+          backgroundColor: CARD_BG,
+          border: CARD_BORDER_STYLE,
+          borderLeft: `3px solid ${colors.border}`,
+          opacity: isResend ? 0.6 : undefined,
+          ...highlightStyle,
         }}
       >
-        <ChevronRight
-          className={`size-3.5 shrink-0 transition-transform ${isExpanded ? 'rotate-90' : ''}`}
-          style={{ color: CARD_ICON_MUTED }}
-        />
-
-        {/* Message icon — distinguishes from SubagentItem's Bot/dot icon */}
-        <MessageSquare className="size-3.5 shrink-0" style={{ color: colors.border }} />
-
-        {/* Teammate name badge */}
-        <span
-          className="rounded px-1.5 py-0.5 text-[10px] font-medium tracking-wide"
+        {/* Header */}
+        <div
+          role="button"
+          tabIndex={0}
+          onClick={onClick}
+          onKeyDown={(e) => {
+            if (e.key === 'Enter' || e.key === ' ') {
+              e.preventDefault();
+              onClick();
+            }
+          }}
+          className="flex cursor-pointer items-center gap-2 px-3 py-2 transition-colors"
           style={{
-            backgroundColor: getThemedBadge(colors, isLight),
-            color: colors.text,
-            border: `1px solid ${colors.border}40`,
+            backgroundColor: isExpanded ? CARD_HEADER_BG : 'transparent',
+            borderBottom: isExpanded ? CARD_BORDER_STYLE : 'none',
           }}
         >
-          {teammateMessage.teammateId}
-        </span>
-
-        {/* "Message" type label — parallels SubagentItem's model info */}
-        <span className="text-[10px] uppercase tracking-wide" style={{ color: CARD_ICON_MUTED }}>
-          Message
-        </span>
-
-        {/* Reply indicator — shows which SendMessage triggered this response */}
-        {plainReplyToSummary && (
-          <span
-            role="presentation"
-            className="flex cursor-default items-center gap-1 text-[10px]"
+          <ChevronRight
+            className={`size-3.5 shrink-0 transition-transform ${isExpanded ? 'rotate-90' : ''}`}
             style={{ color: CARD_ICON_MUTED }}
-            onMouseEnter={() => onReplyHover?.(teammateMessage.replyToToolId ?? null)}
-            onMouseLeave={() => onReplyHover?.(null)}
+          />
+
+          {/* Message icon — distinguishes from SubagentItem's Bot/dot icon */}
+          <MessageSquare className="size-3.5 shrink-0" style={{ color: colors.border }} />
+
+          {/* Teammate name badge */}
+          <span
+            className="rounded px-1.5 py-0.5 text-[10px] font-medium tracking-wide"
+            style={{
+              backgroundColor: getThemedBadge(colors, isLight),
+              color: colors.text,
+              border: `1px solid ${colors.border}40`,
+            }}
           >
-            <CornerDownLeft className="size-2.5" />
-            <span className="truncate" style={{ maxWidth: '180px' }}>
-              {plainReplyToSummary}
+            {teammateMessage.teammateId}
+          </span>
+
+          {/* "Message" type label — parallels SubagentItem's model info */}
+          <span className="text-[10px] uppercase tracking-wide" style={{ color: CARD_ICON_MUTED }}>
+            Message
+          </span>
+
+          {/* Reply indicator — shows which SendMessage triggered this response */}
+          {plainReplyToSummary && (
+            <span
+              role="presentation"
+              className="flex cursor-default items-center gap-1 text-[10px]"
+              style={{ color: CARD_ICON_MUTED }}
+              onMouseEnter={() => onReplyHover?.(teammateMessage.replyToToolId ?? null)}
+              onMouseLeave={() => onReplyHover?.(null)}
+            >
+              <CornerDownLeft className="size-2.5" />
+              <span className="truncate" style={{ maxWidth: '180px' }}>
+                {plainReplyToSummary}
+              </span>
             </span>
+          )}
+
+          {/* Resend badge — marks duplicate/resent messages */}
+          {isResend && (
+            <span
+              className="flex items-center gap-0.5 text-[10px]"
+              style={{ color: CARD_ICON_MUTED }}
+            >
+              <RefreshCw className="size-2.5" />
+              Resent
+            </span>
+          )}
+
+          {/* Summary */}
+          <span className="flex-1 truncate text-xs" style={{ color: CARD_TEXT_LIGHT }}>
+            {truncatedSummary || 'Teammate message'}
           </span>
-        )}
 
-        {/* Resend badge — marks duplicate/resent messages */}
-        {isResend && (
-          <span
-            className="flex items-center gap-0.5 text-[10px]"
-            style={{ color: CARD_ICON_MUTED }}
-          >
-            <RefreshCw className="size-2.5" />
-            Resent
-          </span>
-        )}
+          {/* Context impact — tokens injected into main session */}
+          {teammateMessage.tokenCount != null && teammateMessage.tokenCount > 0 && (
+            <span
+              className="shrink-0 font-mono text-[11px] tabular-nums"
+              style={{ color: CARD_ICON_MUTED }}
+            >
+              ~{formatTokensCompact(teammateMessage.tokenCount)} tokens
+            </span>
+          )}
 
-        {/* Summary */}
-        <span className="flex-1 truncate text-xs" style={{ color: CARD_TEXT_LIGHT }}>
-          {truncatedSummary || 'Teammate message'}
-        </span>
-
-        {/* Context impact — tokens injected into main session */}
-        {teammateMessage.tokenCount != null && teammateMessage.tokenCount > 0 && (
+          {/* Timestamp — rightmost info element */}
           <span
             className="shrink-0 font-mono text-[11px] tabular-nums"
             style={{ color: CARD_ICON_MUTED }}
           >
-            ~{formatTokensCompact(teammateMessage.tokenCount)} tokens
+            {format(teammateMessage.timestamp, 'HH:mm:ss')}
           </span>
-        )}
-
-        {/* Timestamp — rightmost info element */}
-        <span
-          className="shrink-0 font-mono text-[11px] tabular-nums"
-          style={{ color: CARD_ICON_MUTED }}
-        >
-          {format(teammateMessage.timestamp, 'HH:mm:ss')}
-        </span>
-      </div>
-
-      {/* Expanded content */}
-      {isExpanded && (
-        <div className="p-3">
-          <MarkdownViewer content={displayContent} copyable />
         </div>
-      )}
-    </div>
-  );
-};
+
+        {/* Expanded content */}
+        {isExpanded && (
+          <div className="p-3">
+            <MarkdownViewer content={displayContent} copyable />
+          </div>
+        )}
+      </div>
+    );
+  }
+);

src/renderer/components/chat/items/TextItem.tsx

@@ -31,52 +31,54 @@ interface TextItemProps {
   titleText?: string;
 }
 
-export const TextItem: React.FC<TextItemProps> = ({
-  step,
-  preview,
-  onClick,
-  isExpanded,
-  timestamp,
-  timestampFormat,
-  searchQueryOverride,
-  markdownItemId,
-  highlightClasses,
-  highlightStyle,
-  notificationDotColor,
-  titleText,
-}) => {
-  const fullContent = step.content.outputText ?? preview;
-  const summary = searchQueryOverride
-    ? highlightQueryInText(preview, searchQueryOverride, `${markdownItemId ?? step.id}:summary`, {
-        forceAllActive: true,
-      })
-    : preview;
+export const TextItem: React.FC<TextItemProps> = React.memo(
+  ({
+    step,
+    preview,
+    onClick,
+    isExpanded,
+    timestamp,
+    timestampFormat,
+    searchQueryOverride,
+    markdownItemId,
+    highlightClasses,
+    highlightStyle,
+    notificationDotColor,
+    titleText,
+  }) => {
+    const fullContent = step.content.outputText ?? preview;
+    const summary = searchQueryOverride
+      ? highlightQueryInText(preview, searchQueryOverride, `${markdownItemId ?? step.id}:summary`, {
+          forceAllActive: true,
+        })
+      : preview;
 
-  // Get token count from step.tokens.output or step.content.tokenCount
-  const tokenCount = step.tokens?.output ?? step.content.tokenCount ?? 0;
+    // Get token count from step.tokens.output or step.content.tokenCount
+    const tokenCount = step.tokens?.output ?? step.content.tokenCount ?? 0;
 
-  return (
-    <BaseItem
-      icon={<MessageSquare className="size-4" />}
-      label="Output"
-      summary={summary}
-      tokenCount={tokenCount}
-      timestamp={timestamp}
-      timestampFormat={timestampFormat}
-      titleText={titleText}
-      onClick={onClick}
-      isExpanded={isExpanded}
-      highlightClasses={highlightClasses}
-      highlightStyle={highlightStyle}
-      notificationDotColor={notificationDotColor}
-    >
-      <MarkdownViewer
-        content={fullContent}
-        maxHeight="max-h-96"
-        copyable
-        itemId={markdownItemId}
-        searchQueryOverride={searchQueryOverride}
-      />
-    </BaseItem>
-  );
-};
+    return (
+      <BaseItem
+        icon={<MessageSquare className="size-4" />}
+        label="Output"
+        summary={summary}
+        tokenCount={tokenCount}
+        timestamp={timestamp}
+        timestampFormat={timestampFormat}
+        titleText={titleText}
+        onClick={onClick}
+        isExpanded={isExpanded}
+        highlightClasses={highlightClasses}
+        highlightStyle={highlightStyle}
+        notificationDotColor={notificationDotColor}
+      >
+        <MarkdownViewer
+          content={fullContent}
+          maxHeight="max-h-96"
+          copyable
+          itemId={markdownItemId}
+          searchQueryOverride={searchQueryOverride}
+        />
+      </BaseItem>
+    );
+  }
+);

src/renderer/components/chat/items/ThinkingItem.tsx

@@ -31,52 +31,54 @@ interface ThinkingItemProps {
   titleText?: string;
 }
 
-export const ThinkingItem: React.FC<ThinkingItemProps> = ({
-  step,
-  preview,
-  onClick,
-  isExpanded,
-  timestamp,
-  timestampFormat,
-  searchQueryOverride,
-  markdownItemId,
-  highlightClasses,
-  highlightStyle,
-  notificationDotColor,
-  titleText,
-}) => {
-  const fullContent = step.content.thinkingText ?? preview;
-  const summary = searchQueryOverride
-    ? highlightQueryInText(preview, searchQueryOverride, `${markdownItemId ?? step.id}:summary`, {
-        forceAllActive: true,
-      })
-    : preview;
+export const ThinkingItem: React.FC<ThinkingItemProps> = React.memo(
+  ({
+    step,
+    preview,
+    onClick,
+    isExpanded,
+    timestamp,
+    timestampFormat,
+    searchQueryOverride,
+    markdownItemId,
+    highlightClasses,
+    highlightStyle,
+    notificationDotColor,
+    titleText,
+  }) => {
+    const fullContent = step.content.thinkingText ?? preview;
+    const summary = searchQueryOverride
+      ? highlightQueryInText(preview, searchQueryOverride, `${markdownItemId ?? step.id}:summary`, {
+          forceAllActive: true,
+        })
+      : preview;
 
-  // Get token count from step.tokens.output or step.content.tokenCount
-  const tokenCount = step.tokens?.output ?? step.content.tokenCount ?? 0;
+    // Get token count from step.tokens.output or step.content.tokenCount
+    const tokenCount = step.tokens?.output ?? step.content.tokenCount ?? 0;
 
-  return (
-    <BaseItem
-      icon={<Brain className="size-4" />}
-      label="Thinking"
-      summary={summary}
-      tokenCount={tokenCount}
-      timestamp={timestamp}
-      timestampFormat={timestampFormat}
-      titleText={titleText}
-      onClick={onClick}
-      isExpanded={isExpanded}
-      highlightClasses={highlightClasses}
-      highlightStyle={highlightStyle}
-      notificationDotColor={notificationDotColor}
-    >
-      <MarkdownViewer
-        content={fullContent}
-        maxHeight="max-h-96"
-        copyable
-        itemId={markdownItemId}
-        searchQueryOverride={searchQueryOverride}
-      />
-    </BaseItem>
-  );
-};
+    return (
+      <BaseItem
+        icon={<Brain className="size-4" />}
+        label="Thinking"
+        summary={summary}
+        tokenCount={tokenCount}
+        timestamp={timestamp}
+        timestampFormat={timestampFormat}
+        titleText={titleText}
+        onClick={onClick}
+        isExpanded={isExpanded}
+        highlightClasses={highlightClasses}
+        highlightStyle={highlightStyle}
+        notificationDotColor={notificationDotColor}
+      >
+        <MarkdownViewer
+          content={fullContent}
+          maxHeight="max-h-96"
+          copyable
+          itemId={markdownItemId}
+          searchQueryOverride={searchQueryOverride}
+        />
+      </BaseItem>
+    );
+  }
+);

src/renderer/components/chat/items/linkedTool/CollapsibleOutputSection.tsx

@@ -5,7 +5,7 @@
  * Shows a clickable header with label, StatusDot, and chevron toggle.
  */
 
-import React, { useState } from 'react';
+import React, { memo, useState } from 'react';
 
 import { ChevronDown, ChevronRight } from 'lucide-react';
 
@@ -18,40 +18,44 @@ interface CollapsibleOutputSectionProps {
   label?: string;
 }
 
-export const CollapsibleOutputSection: React.FC<CollapsibleOutputSectionProps> = ({
-  status,
-  children,
-  label = 'Output',
-}) => {
-  const [isExpanded, setIsExpanded] = useState(false);
+export const CollapsibleOutputSection = memo(
+  ({ status, children, label = 'Output' }: CollapsibleOutputSectionProps): React.JSX.Element => {
+    const [isExpanded, setIsExpanded] = useState(false);
 
-  return (
-    <div>
-      <button
-        type="button"
-        className="mb-1 flex items-center gap-2 text-xs"
-        style={{ color: 'var(--tool-item-muted)', background: 'none', border: 'none', padding: 0, cursor: 'pointer' }}
-        onClick={() => setIsExpanded((prev) => !prev)}
-      >
-        {isExpanded ? <ChevronDown className="size-3" /> : <ChevronRight className="size-3" />}
-        {label}
-        <StatusDot status={status} />
-      </button>
-      {isExpanded && (
-        <div
-          className="max-h-96 overflow-auto rounded p-3 font-mono text-xs"
+    return (
+      <div>
+        <button
+          type="button"
+          className="mb-1 flex items-center gap-2 text-xs"
           style={{
-            backgroundColor: 'var(--code-bg)',
-            border: '1px solid var(--code-border)',
-            color:
-              status === 'error'
-                ? 'var(--tool-result-error-text)'
-                : 'var(--color-text-secondary)',
+            color: 'var(--tool-item-muted)',
+            background: 'none',
+            border: 'none',
+            padding: 0,
+            cursor: 'pointer',
           }}
+          onClick={() => setIsExpanded((prev) => !prev)}
         >
-          {children}
-        </div>
-      )}
-    </div>
-  );
-};
+          {isExpanded ? <ChevronDown className="size-3" /> : <ChevronRight className="size-3" />}
+          {label}
+          <StatusDot status={status} />
+        </button>
+        {isExpanded && (
+          <div
+            className="max-h-96 overflow-auto rounded p-3 font-mono text-xs"
+            style={{
+              backgroundColor: 'var(--code-bg)',
+              border: '1px solid var(--code-border)',
+              color:
+                status === 'error'
+                  ? 'var(--tool-result-error-text)'
+                  : 'var(--color-text-secondary)',
+            }}
+          >
+            {children}
+          </div>
+        )}
+      </div>
+    );
+  }
+);

src/renderer/components/chat/items/linkedTool/DefaultToolViewer.tsx

@@ -4,7 +4,7 @@
  * Default rendering for tools that don't have specialized viewers.
  */
 
-import React from 'react';
+import React, { memo } from 'react';
 
 import { type ItemStatus } from '../BaseItem';
 
@@ -23,7 +23,10 @@ interface DefaultToolViewerProps {
   status: ItemStatus;
 }
 
-export const DefaultToolViewer: React.FC<DefaultToolViewerProps> = ({ linkedTool, status }) => {
+export const DefaultToolViewer = memo(function DefaultToolViewer({
+  linkedTool,
+  status,
+}: DefaultToolViewerProps) {
   const displayOutputContent = linkedTool.result
     ? formatToolOutputForDisplay(linkedTool.name, linkedTool.result.content)
     : null;
@@ -64,4 +67,4 @@ export const DefaultToolViewer: React.FC<DefaultToolViewerProps> = ({ linkedTool
         )}
     </>
   );
-};
+});

src/renderer/components/chat/items/linkedTool/EditToolViewer.tsx

@@ -4,7 +4,7 @@
  * Renders the Edit tool with DiffViewer.
  */
 
-import React from 'react';
+import React, { memo } from 'react';
 
 import { DiffViewer } from '@renderer/components/chat/viewers';
 
@@ -20,7 +20,10 @@ interface EditToolViewerProps {
   status: ItemStatus;
 }
 
-export const EditToolViewer: React.FC<EditToolViewerProps> = ({ linkedTool, status }) => {
+export const EditToolViewer = memo(function EditToolViewer({
+  linkedTool,
+  status,
+}: EditToolViewerProps) {
   const toolUseResult = linkedTool.result?.toolUseResult as Record<string, unknown> | undefined;
 
   const filePath = (toolUseResult?.filePath as string) || (linkedTool.input.file_path as string);
@@ -71,4 +74,4 @@ export const EditToolViewer: React.FC<EditToolViewerProps> = ({ linkedTool, stat
       )}
     </div>
   );
-};
+});

src/renderer/components/chat/items/linkedTool/ReadToolViewer.tsx

@@ -4,7 +4,7 @@
  * Renders the Read tool result using CodeBlockViewer.
  */
 
-import React from 'react';
+import React, { memo } from 'react';
 
 import { CodeBlockViewer, MarkdownViewer } from '@renderer/components/chat/viewers';
 
@@ -14,7 +14,7 @@ interface ReadToolViewerProps {
   linkedTool: LinkedToolItem;
 }
 
-export const ReadToolViewer: React.FC<ReadToolViewerProps> = ({ linkedTool }) => {
+export const ReadToolViewer = memo(function ReadToolViewer({ linkedTool }: ReadToolViewerProps) {
   const filePath = linkedTool.input.file_path as string;
 
   // Prefer enriched toolUseResult data
@@ -55,7 +55,9 @@ export const ReadToolViewer: React.FC<ReadToolViewerProps> = ({ linkedTool }) =>
       : undefined;
 
   const isMarkdownFile = /\.mdx?$/i.test(filePath);
-  const [viewMode, setViewMode] = React.useState<'code' | 'preview'>(isMarkdownFile ? 'preview' : 'code');
+  const [viewMode, setViewMode] = React.useState<'code' | 'preview'>(
+    isMarkdownFile ? 'preview' : 'code'
+  );
 
   return (
     <div className="space-y-2">
@@ -99,4 +101,4 @@ export const ReadToolViewer: React.FC<ReadToolViewerProps> = ({ linkedTool }) =>
       )}
     </div>
   );
-};
+});

src/renderer/components/chat/items/linkedTool/SkillToolViewer.tsx

@@ -4,7 +4,7 @@
  * Renders the Skill tool with its instructions in a code block viewer style.
  */
 
-import React from 'react';
+import React, { memo } from 'react';
 
 import { CodeBlockViewer } from '@renderer/components/chat/viewers';
 
@@ -14,7 +14,7 @@ interface SkillToolViewerProps {
   linkedTool: LinkedToolItem;
 }
 
-export const SkillToolViewer: React.FC<SkillToolViewerProps> = ({ linkedTool }) => {
+export const SkillToolViewer = memo(function SkillToolViewer({ linkedTool }: SkillToolViewerProps) {
   const skillInstructions = linkedTool.skillInstructions;
   const skillName = (linkedTool.input.skill as string) || 'Unknown Skill';
 
@@ -64,4 +64,4 @@ export const SkillToolViewer: React.FC<SkillToolViewerProps> = ({ linkedTool })
       )}
     </div>
   );
-};
+});

src/renderer/components/chat/items/linkedTool/ToolErrorDisplay.tsx

@@ -4,7 +4,7 @@
  * Displays error output for tool results.
  */
 
-import React from 'react';
+import React, { memo } from 'react';
 
 import { StatusDot } from '../BaseItem';
 
@@ -16,7 +16,9 @@ interface ToolErrorDisplayProps {
   linkedTool: LinkedToolItem;
 }
 
-export const ToolErrorDisplay: React.FC<ToolErrorDisplayProps> = ({ linkedTool }) => {
+export const ToolErrorDisplay = memo(function ToolErrorDisplay({
+  linkedTool,
+}: ToolErrorDisplayProps) {
   if (!linkedTool.result?.isError) return null;
 
   return (
@@ -40,4 +42,4 @@ export const ToolErrorDisplay: React.FC<ToolErrorDisplayProps> = ({ linkedTool }
       </div>
     </div>
   );
-};
+});

src/renderer/components/chat/items/linkedTool/WriteToolViewer.tsx

@@ -4,7 +4,7 @@
  * Renders the Write tool result.
  */
 
-import React from 'react';
+import React, { memo } from 'react';
 
 import { CodeBlockViewer, MarkdownViewer } from '@renderer/components/chat/viewers';
 
@@ -14,7 +14,7 @@ interface WriteToolViewerProps {
   linkedTool: LinkedToolItem;
 }
 
-export const WriteToolViewer: React.FC<WriteToolViewerProps> = ({ linkedTool }) => {
+export const WriteToolViewer = memo(function WriteToolViewer({ linkedTool }: WriteToolViewerProps) {
   const toolUseResult = linkedTool.result?.toolUseResult as Record<string, unknown> | undefined;
 
   const filePath =
@@ -74,4 +74,4 @@ export const WriteToolViewer: React.FC<WriteToolViewerProps> = ({ linkedTool })
       )}
     </div>
   );
-};
+});

src/renderer/components/chat/viewers/CodeBlockViewer.tsx

@@ -1,4 +1,4 @@
-import React, { useMemo, useState } from 'react';
+import React, { memo, useMemo, useState } from 'react';
 
 import { getBaseName } from '@renderer/utils/pathUtils';
 import { createLogger } from '@shared/utils/logger';
@@ -117,14 +117,14 @@ function inferLanguage(fileName: string): string {
 // Component
 // =============================================================================
 
-export const CodeBlockViewer: React.FC<CodeBlockViewerProps> = ({
+export const CodeBlockViewer = memo(function CodeBlockViewer({
   fileName,
   content,
   language,
   startLine = 1,
   endLine,
   maxHeight = 'max-h-96',
-}): React.JSX.Element => {
+}: CodeBlockViewerProps): React.JSX.Element {
   const [isCopied, setIsCopied] = useState(false);
 
   // Infer language from file extension if not provided
@@ -241,4 +241,4 @@ export const CodeBlockViewer: React.FC<CodeBlockViewerProps> = ({
       </div>
     </div>
   );
-};
+});

src/renderer/components/chat/viewers/DiffViewer.tsx

@@ -1,4 +1,4 @@
-import React, { useMemo } from 'react';
+import React, { memo, useMemo } from 'react';
 
 import {
   CODE_BG,
@@ -349,14 +349,14 @@ const DiffLineRow: React.FC<DiffLineRowProps> = ({ line, highlightedHtml }): Rea
 // Main Component
 // =============================================================================
 
-export const DiffViewer: React.FC<DiffViewerProps> = ({
+export const DiffViewer = memo(function DiffViewer({
   fileName,
   oldString,
   newString,
   maxHeight = 'max-h-96',
   tokenCount,
   syntaxHighlight = false,
-}): React.JSX.Element => {
+}: DiffViewerProps): React.JSX.Element {
   // Compute diff
   const oldLines = oldString.split(/\r?\n/);
   const newLines = newString.split(/\r?\n/);
@@ -456,4 +456,4 @@ export const DiffViewer: React.FC<DiffViewerProps> = ({
       </div>
     </div>
   );
-};
+});

src/renderer/components/chat/viewers/MarkdownViewer.tsx

@@ -946,7 +946,7 @@ export const CompactMarkdownPreview: React.FC<CompactMarkdownPreviewProps> = Rea
   }
 );
 
-export const MarkdownViewer: React.FC<MarkdownViewerProps> = ({
+export const MarkdownViewer: React.FC<MarkdownViewerProps> = React.memo(function MarkdownViewer({
   content,
   maxHeight = 'max-h-96',
   className = '',
@@ -958,7 +958,7 @@ export const MarkdownViewer: React.FC<MarkdownViewerProps> = ({
   baseDir,
   teamColorByName: providedTeamColorByName,
   onTeamClick: providedOnTeamClick,
-}) => {
+}) {
   const [showRaw, setShowRaw] = React.useState(false);
   const [rawLimit, setRawLimit] = React.useState(LARGE_PREVIEW_CHARS);
   const { isLight } = useTheme();
@@ -1169,12 +1169,36 @@ export const MarkdownViewer: React.FC<MarkdownViewerProps> = ({
           <span className="text-sm font-medium" style={{ color: COLOR_TEXT_SECONDARY }}>
             {label}
           </span>
-          {copyable && (
-            <>
-              <span className="flex-1" />
-              <CopyButton text={content} inline />
-            </>
-          )}
+          <span className="flex-1" />
+          <button
+            type="button"
+            className="text-xs underline"
+            style={{ color: PROSE_LINK }}
+            onClick={() => setShowRaw(true)}
+            title="Show raw"
+          >
+            Show raw
+          </button>
+          {copyable && <CopyButton text={content} inline />}
+        </div>
+      )}
+
+      {/* Show raw toggle for no-label path (skip in bare mode) */}
+      {!label && !bare && (
+        <div
+          className="flex items-center justify-between px-3 py-1 text-xs"
+          style={{ color: COLOR_TEXT_MUTED }}
+        >
+          <span />
+          <button
+            type="button"
+            className="underline"
+            style={{ color: PROSE_LINK }}
+            onClick={() => setShowRaw(true)}
+            title="Show raw"
+          >
+            Show raw
+          </button>
         </div>
       )}
 
@@ -1195,4 +1219,4 @@ export const MarkdownViewer: React.FC<MarkdownViewerProps> = ({
       </div>
     </div>
   );
-};
+});

src/renderer/components/schedules/SchedulesView.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useMemo, useState } from 'react';
+import React, { lazy, Suspense, useCallback, useEffect, useMemo, useState } from 'react';
 
 import { Button } from '@renderer/components/ui/button';
 import { Input } from '@renderer/components/ui/input';
@@ -24,13 +24,18 @@ import {
 } from 'lucide-react';
 import { useShallow } from 'zustand/react/shallow';
 
-import { LaunchTeamDialog } from '../team/dialogs/LaunchTeamDialog';
 import { ScheduleRunLogDialog } from '../team/schedule/ScheduleRunLogDialog';
 import { ScheduleRunRow } from '../team/schedule/ScheduleRunRow';
 import { ScheduleStatusBadge } from '../team/schedule/ScheduleStatusBadge';
 
 import type { Schedule, ScheduleRun, ScheduleStatus } from '@shared/types';
 
+const LaunchTeamDialog = lazy(() =>
+  import('@renderer/components/team/dialogs/LaunchTeamDialog').then((m) => ({
+    default: m.LaunchTeamDialog,
+  }))
+);
+
 // =============================================================================
 // Constants
 // =============================================================================
@@ -562,13 +567,17 @@ export const SchedulesView = (): React.JSX.Element => {
       </div>
 
       {/* Create/Edit Dialog */}
-      <LaunchTeamDialog
-        mode="schedule"
-        open={dialogOpen}
-        teamName={editingSchedule?.teamName}
-        schedule={editingSchedule}
-        onClose={handleClose}
-      />
+      {dialogOpen && (
+        <Suspense fallback={null}>
+          <LaunchTeamDialog
+            mode="schedule"
+            open={dialogOpen}
+            teamName={editingSchedule?.teamName}
+            schedule={editingSchedule}
+            onClose={handleClose}
+          />
+        </Suspense>
+      )}
     </div>
   );
 };

src/renderer/components/sidebar/DateGroupedSessions.tsx

@@ -4,7 +4,7 @@
  * Supports multi-select with bulk actions and hidden session filtering.
  */
 
-import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import { memo, useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { createPortal } from 'react-dom';
 
 import { recordRecentProjectOpenPaths } from '@features/recent-projects/renderer';
@@ -184,7 +184,7 @@ function matchesSessionSearch(session: Session, query: string): boolean {
   return haystack.includes(query);
 }
 
-export const DateGroupedSessions = (): React.JSX.Element => {
+export const DateGroupedSessions = memo((): React.JSX.Element => {
   const {
     sessions,
     selectedSessionId,
@@ -202,7 +202,6 @@ export const DateGroupedSessions = (): React.JSX.Element => {
     toggleShowHiddenSessions,
     sidebarSelectedSessionIds,
     sidebarMultiSelectActive,
-    toggleSidebarSessionSelection,
     clearSidebarSelection,
     toggleSidebarMultiSelect,
     hideMultipleSessions,
@@ -239,7 +238,6 @@ export const DateGroupedSessions = (): React.JSX.Element => {
       toggleShowHiddenSessions: s.toggleShowHiddenSessions,
       sidebarSelectedSessionIds: s.sidebarSelectedSessionIds,
       sidebarMultiSelectActive: s.sidebarMultiSelectActive,
-      toggleSidebarSessionSelection: s.toggleSidebarSessionSelection,
       clearSidebarSelection: s.clearSidebarSelection,
       toggleSidebarMultiSelect: s.toggleSidebarMultiSelect,
       hideMultipleSessions: s.hideMultipleSessions,
@@ -1104,7 +1102,6 @@ export const DateGroupedSessions = (): React.JSX.Element => {
                     isHidden={item.isHidden}
                     multiSelectActive={sidebarMultiSelectActive}
                     isSelected={selectedSet.has(item.session.id)}
-                    onToggleSelect={() => toggleSidebarSessionSelection(item.session.id)}
                   />
                 )}
               </div>
@@ -1114,4 +1111,4 @@ export const DateGroupedSessions = (): React.JSX.Element => {
       </div>
     </div>
   );
-};
+});

src/renderer/components/sidebar/GlobalTaskList.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import { memo, useCallback, useEffect, useMemo, useRef, useState } from 'react';
 
 import { confirm } from '@renderer/components/common/ConfirmDialog';
 import { Tooltip, TooltipContent, TooltipTrigger } from '@renderer/components/ui/tooltip';
@@ -173,13 +173,13 @@ function applyProjectFilter(tasks: GlobalTask[], projectPath: string | null): Gl
   return tasks.filter((t) => t.projectPath && normalizePath(t.projectPath) === normalized);
 }
 
-export const GlobalTaskList = ({
+export const GlobalTaskList = memo(function GlobalTaskList({
   hideHeader = false,
   filters: externalFilters,
   onFiltersChange: externalOnFiltersChange,
   filtersPopoverOpen: externalFiltersPopoverOpen,
   onFiltersPopoverOpenChange: externalOnFiltersPopoverOpenChange,
-}: GlobalTaskListProps = {}): React.JSX.Element => {
+}: GlobalTaskListProps = {}): React.JSX.Element {
   const {
     globalTasks,
     globalTasksLoading,
@@ -271,37 +271,43 @@ export const GlobalTaskList = ({
     saveSortMode(mode);
   };
 
-  const handleRenameComplete = (teamName: string, taskId: string, newSubject: string): void => {
-    taskLocalState.renameTask(teamName, taskId, newSubject);
-    setRenamingTaskKey(null);
-  };
+  const handleRenameComplete = useCallback(
+    (teamName: string, taskId: string, newSubject: string): void => {
+      taskLocalState.renameTask(teamName, taskId, newSubject);
+      setRenamingTaskKey(null);
+    },
+    [taskLocalState]
+  );
 
-  const handleRenameCancel = (): void => {
+  const handleRenameCancel = useCallback((): void => {
     setRenamingTaskKey(null);
-  };
+  }, []);
 
-  const handleDeleteTask = async (teamName: string, taskId: string): Promise<void> => {
-    const confirmed = await confirm({
-      title: 'Delete task',
-      message: `Move task #${deriveTaskDisplayId(taskId)} to trash?`,
-      confirmLabel: 'Delete',
-      cancelLabel: 'Cancel',
-      variant: 'danger',
-    });
-    if (confirmed) {
-      try {
-        await softDeleteTask(teamName, taskId);
-        await fetchAllTasks();
-      } catch (err) {
-        void confirm({
-          title: 'Failed to delete task',
-          message: err instanceof Error ? err.message : 'An unexpected error occurred',
-          confirmLabel: 'OK',
-          variant: 'danger',
-        });
+  const handleDeleteTask = useCallback(
+    async (teamName: string, taskId: string): Promise<void> => {
+      const confirmed = await confirm({
+        title: 'Delete task',
+        message: `Move task #${deriveTaskDisplayId(taskId)} to trash?`,
+        confirmLabel: 'Delete',
+        cancelLabel: 'Cancel',
+        variant: 'danger',
+      });
+      if (confirmed) {
+        try {
+          await softDeleteTask(teamName, taskId);
+          await fetchAllTasks();
+        } catch (err) {
+          void confirm({
+            title: 'Failed to delete task',
+            message: err instanceof Error ? err.message : 'An unexpected error occurred',
+            confirmLabel: 'OK',
+            variant: 'danger',
+          });
+        }
       }
-    }
-  };
+    },
+    [fetchAllTasks, softDeleteTask]
+  );
 
   // Fetch tasks on mount — loading guard in the store action prevents
   // duplicate IPC calls when the centralized init chain is already fetching.
@@ -850,4 +856,4 @@ export const GlobalTaskList = ({
       </div>
     </div>
   );
-};
+});

src/renderer/components/sidebar/SessionItem.tsx

@@ -4,7 +4,7 @@
  * Supports right-click context menu for pane management.
  */
 
-import { useCallback, useRef, useState } from 'react';
+import { memo, useCallback, useRef, useState } from 'react';
 import { createPortal } from 'react-dom';
 
 import { ProviderBrandLogo } from '@renderer/components/common/ProviderBrandLogo';
@@ -30,7 +30,6 @@ interface SessionItemProps {
   isHidden?: boolean;
   multiSelectActive?: boolean;
   isSelected?: boolean;
-  onToggleSelect?: () => void;
 }
 
 /**
@@ -156,15 +155,14 @@ const SessionRuntimeBadge = ({
   );
 };
 
-export const SessionItem = ({
+export const SessionItem = memo(function SessionItem({
   session,
   isActive,
   isPinned,
   isHidden,
   multiSelectActive,
   isSelected,
-  onToggleSelect,
-}: Readonly<SessionItemProps>): React.JSX.Element => {
+}: Readonly<SessionItemProps>): React.JSX.Element {
   const {
     openTab,
     activeProjectId,
@@ -173,6 +171,7 @@ export const SessionItem = ({
     splitPane,
     togglePinSession,
     toggleHideSession,
+    toggleSidebarSessionSelection,
   } = useStore(
     useShallow((s) => ({
       openTab: s.openTab,
@@ -182,6 +181,7 @@ export const SessionItem = ({
       splitPane: s.splitPane,
       togglePinSession: s.togglePinSession,
       toggleHideSession: s.toggleHideSession,
+      toggleSidebarSessionSelection: s.toggleSidebarSessionSelection,
     }))
   );
 
@@ -191,8 +191,8 @@ export const SessionItem = ({
     if (!activeProjectId) return;
 
     // In multi-select mode, clicks toggle selection
-    if (multiSelectActive && onToggleSelect) {
-      onToggleSelect();
+    if (multiSelectActive) {
+      toggleSidebarSessionSelection(session.id);
       return;
     }
 
@@ -290,7 +290,7 @@ export const SessionItem = ({
                   <input
                     type="checkbox"
                     checked={isSelected ?? false}
-                    onChange={() => onToggleSelect?.()}
+                    onChange={() => toggleSidebarSessionSelection(session.id)}
                     onClick={(e) => e.stopPropagation()}
                     className="size-3.5 shrink-0 accent-blue-500"
                   />
@@ -390,4 +390,4 @@ export const SessionItem = ({
         )}
     </>
   );
-};
+});

src/renderer/components/sidebar/SidebarTaskItem.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useMemo, useRef, useState } from 'react';
+import { memo, useEffect, useMemo, useRef, useState } from 'react';
 
 import { Tooltip, TooltipContent, TooltipTrigger } from '@renderer/components/ui/tooltip';
 import { getTeamColorSet } from '@renderer/constants/teamColors';
@@ -69,7 +69,7 @@ interface SidebarTaskItemProps {
   getDisplaySubject?: (task: GlobalTask) => string | undefined;
 }
 
-export const SidebarTaskItem = ({
+export const SidebarTaskItem = memo(function SidebarTaskItem({
   task,
   hideTeamName,
   showTeamName,
@@ -77,7 +77,7 @@ export const SidebarTaskItem = ({
   onRenameComplete,
   onRenameCancel,
   getDisplaySubject,
-}: SidebarTaskItemProps): React.JSX.Element => {
+}: SidebarTaskItemProps): React.JSX.Element {
   const openGlobalTaskDetail = useStore((s) => s.openGlobalTaskDetail);
   const teamMembers = useStore(useShallow((s) => s.teamByName[task.teamName]?.members));
   const unreadCount = useUnreadCommentCount(task.teamName, task.id, task.comments);
@@ -283,4 +283,4 @@ export const SidebarTaskItem = ({
       )}
     </button>
   );
-};
+});

src/renderer/components/team/CollapsibleTeamSection.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useRef, useState } from 'react';
+import { memo, useCallback, useEffect, useRef, useState } from 'react';
 
 import { Badge } from '@renderer/components/ui/badge';
 import { cn } from '@renderer/lib/utils';
@@ -44,7 +44,7 @@ interface CollapsibleTeamSectionProps {
   children: React.ReactNode;
 }
 
-export const CollapsibleTeamSection = ({
+export const CollapsibleTeamSection = memo(function CollapsibleTeamSection({
   title,
   icon,
   badge,
@@ -63,7 +63,7 @@ export const CollapsibleTeamSection = ({
   headerSurfaceClassName,
   keepMounted,
   children,
-}: CollapsibleTeamSectionProps): React.JSX.Element => {
+}: CollapsibleTeamSectionProps): React.JSX.Element {
   const [open, setOpen] = useState(defaultOpen);
   const isOpen = forceOpen ? true : open;
   const sectionRef = useRef<HTMLElement>(null);
@@ -174,4 +174,4 @@ export const CollapsibleTeamSection = ({
       )}
     </section>
   );
-};
+});

src/renderer/components/team/MemberBadge.tsx

@@ -1,4 +1,4 @@
-import { useMemo } from 'react';
+import { memo, useMemo } from 'react';
 
 import {
   getTeamColorSet,
@@ -37,81 +37,83 @@ interface MemberBadgeProps {
  * When onClick is provided, both avatar and badge are clickable as one unit.
  * Wrapped in MemberHoverCard to show member info on hover.
  */
-export const MemberBadge = ({
-  name,
-  color,
-  teamName,
-  size = 'sm',
-  hideAvatar,
-  onClick,
-  disableHoverCard,
-}: MemberBadgeProps): React.JSX.Element => {
-  const colors = getTeamColorSet(color ?? '');
-  const { isLight } = useTheme();
-  const selectedTeamName = useStore((s) => s.selectedTeamName);
-  const effectiveTeamName = teamName ?? selectedTeamName;
-  const teamMembers = useStore((s) =>
-    effectiveTeamName ? selectResolvedMembersForTeamName(s, effectiveTeamName) : []
-  );
-  const avatarMap = useMemo(() => buildMemberAvatarMap(teamMembers), [teamMembers]);
-  const avatarSize = size === 'md' ? 32 : size === 'sm' ? 24 : 18;
-  const avatarClass = size === 'md' ? 'size-6' : size === 'sm' ? 'size-5' : 'size-4';
-  const textClass = size === 'md' ? 'text-xs' : size === 'sm' ? 'text-[10px]' : 'text-[9px]';
-  const paddingClass = size === 'xs' ? 'px-1 py-0.5' : 'px-1.5 py-0.5';
+export const MemberBadge = memo(
+  ({
+    name,
+    color,
+    teamName,
+    size = 'sm',
+    hideAvatar,
+    onClick,
+    disableHoverCard,
+  }: MemberBadgeProps): React.JSX.Element => {
+    const colors = getTeamColorSet(color ?? '');
+    const { isLight } = useTheme();
+    const selectedTeamName = useStore((s) => s.selectedTeamName);
+    const effectiveTeamName = teamName ?? selectedTeamName;
+    const teamMembers = useStore((s) =>
+      effectiveTeamName ? selectResolvedMembersForTeamName(s, effectiveTeamName) : []
+    );
+    const avatarMap = useMemo(() => buildMemberAvatarMap(teamMembers), [teamMembers]);
+    const avatarSize = size === 'md' ? 32 : size === 'sm' ? 24 : 18;
+    const avatarClass = size === 'md' ? 'size-6' : size === 'sm' ? 'size-5' : 'size-4';
+    const textClass = size === 'md' ? 'text-xs' : size === 'sm' ? 'text-[10px]' : 'text-[9px]';
+    const paddingClass = size === 'xs' ? 'px-1 py-0.5' : 'px-1.5 py-0.5';
 
-  const badgeStyle = {
-    backgroundColor: getThemedBadge(colors, isLight),
-    color: getThemedText(colors, isLight),
-    border: `1px solid ${getThemedBorder(colors, isLight)}40`,
-  };
+    const badgeStyle = {
+      backgroundColor: getThemedBadge(colors, isLight),
+      color: getThemedText(colors, isLight),
+      border: `1px solid ${getThemedBorder(colors, isLight)}40`,
+    };
 
-  const avatar = (
-    <img
-      src={avatarMap.get(name) ?? agentAvatarUrl(name, avatarSize)}
-      alt=""
-      className={`${avatarClass} shrink-0 rounded-full bg-[var(--color-surface-raised)]`}
-      loading="lazy"
-    />
-  );
+    const avatar = (
+      <img
+        src={avatarMap.get(name) ?? agentAvatarUrl(name, avatarSize)}
+        alt=""
+        className={`${avatarClass} shrink-0 rounded-full bg-[var(--color-surface-raised)]`}
+        loading="lazy"
+      />
+    );
 
-  const badge = (
-    <span
-      className={`rounded ${paddingClass} ${textClass} font-medium tracking-wide`}
-      style={badgeStyle}
-    >
-      {displayMemberName(name)}
-    </span>
-  );
+    const badge = (
+      <span
+        className={`rounded ${paddingClass} ${textClass} font-medium tracking-wide`}
+        style={badgeStyle}
+      >
+        {displayMemberName(name)}
+      </span>
+    );
 
-  // Skip hover card for "user" and "system" pseudo-members
-  const skipHoverCard = disableHoverCard || name === 'user' || name === 'system';
+    // Skip hover card for "user" and "system" pseudo-members
+    const skipHoverCard = disableHoverCard || name === 'user' || name === 'system';
 
-  const content = onClick ? (
-    <button
-      type="button"
-      className="inline-flex items-center gap-1 rounded transition-opacity hover:opacity-90 focus:outline-none focus:ring-1 focus:ring-[var(--color-border)]"
-      onClick={(e) => {
-        e.stopPropagation();
-        onClick(name);
-      }}
-    >
-      {!hideAvatar && avatar}
-      {badge}
-    </button>
-  ) : (
-    <span className="inline-flex items-center gap-1">
-      {!hideAvatar && avatar}
-      {badge}
-    </span>
-  );
+    const content = onClick ? (
+      <button
+        type="button"
+        className="inline-flex items-center gap-1 rounded transition-opacity hover:opacity-90 focus:outline-none focus:ring-1 focus:ring-[var(--color-border)]"
+        onClick={(e) => {
+          e.stopPropagation();
+          onClick(name);
+        }}
+      >
+        {!hideAvatar && avatar}
+        {badge}
+      </button>
+    ) : (
+      <span className="inline-flex items-center gap-1">
+        {!hideAvatar && avatar}
+        {badge}
+      </span>
+    );
 
-  if (skipHoverCard) {
-    return content;
+    if (skipHoverCard) {
+      return content;
+    }
+
+    return (
+      <MemberHoverCard name={name} color={color} teamName={teamName}>
+        {content}
+      </MemberHoverCard>
+    );
   }
-
-  return (
-    <MemberHoverCard name={name} color={color} teamName={teamName}>
-      {content}
-    </MemberHoverCard>
-  );
-};
+);

src/renderer/components/team/TaskTooltip.tsx

@@ -1,4 +1,4 @@
-import { useMemo } from 'react';
+import { memo, useMemo } from 'react';
 
 import { MarkdownViewer } from '@renderer/components/chat/viewers/MarkdownViewer';
 import { MemberBadge } from '@renderer/components/team/MemberBadge';
@@ -65,12 +65,12 @@ interface TaskTooltipProps {
  * Tooltip that shows task summary on hover over any #taskId link.
  * Reads task data from the current team in the store.
  */
-export const TaskTooltip = ({
+export const TaskTooltip = memo(function TaskTooltip({
   taskId,
   teamName,
   children,
   side = 'top',
-}: TaskTooltipProps): React.JSX.Element => {
+}: TaskTooltipProps): React.JSX.Element {
   const { selectedTeamName, selectedTeamData, selectedTeamMembers, globalTasks, teamByName } =
     useStore(
       useShallow((s) => ({
@@ -194,4 +194,4 @@ export const TaskTooltip = ({
       </TooltipContent>
     </Tooltip>
   );
-};
+});

src/renderer/components/team/TeamDetailView.tsx

@@ -78,12 +78,8 @@ import {
 import { useShallow } from 'zustand/react/shallow';
 
 import { AddMemberDialog } from './dialogs/AddMemberDialog';
-import { CreateTaskDialog } from './dialogs/CreateTaskDialog';
 import { EditTeamDialog } from './dialogs/EditTeamDialog';
-import { LaunchTeamDialog, type TeamLaunchDialogMode } from './dialogs/LaunchTeamDialog';
 import { ReviewDialog } from './dialogs/ReviewDialog';
-import { SendMessageDialog } from './dialogs/SendMessageDialog';
-import { TaskDetailDialog } from './dialogs/TaskDetailDialog';
 import { executeTeamRelaunch } from './dialogs/teamRelaunchFlow';
 import { KanbanBoard } from './kanban/KanbanBoard';
 import { UNASSIGNED_OWNER } from './kanban/KanbanFilterPopover';
@@ -93,9 +89,13 @@ import { MemberDetailDialog } from './members/MemberDetailDialog';
 import { type MemberActivityFilter, type MemberDetailTab } from './members/memberDetailTypes';
 
 import type { AddMemberEntry } from './dialogs/AddMemberDialog';
+import type { TeamLaunchDialogMode } from './dialogs/LaunchTeamDialog';
 import type { TeamMessagesPanelMode } from '@renderer/types/teamMessagesPanelMode';
 import type { ComponentProps, CSSProperties } from 'react';
 
+const LaunchTeamDialog = lazy(() =>
+  import('./dialogs/LaunchTeamDialog').then((m) => ({ default: m.LaunchTeamDialog }))
+);
 const ProjectEditorOverlay = lazy(() =>
   import('./editor/ProjectEditorOverlay').then((m) => ({ default: m.ProjectEditorOverlay }))
 );
@@ -104,9 +104,20 @@ const TeamGraphOverlay = lazy(() =>
     default: m.TeamGraphOverlay,
   }))
 );
+const TaskDetailDialog = lazy(() =>
+  import('./dialogs/TaskDetailDialog').then((m) => ({ default: m.TaskDetailDialog }))
+);
+const SendMessageDialog = lazy(() =>
+  import('./dialogs/SendMessageDialog').then((m) => ({ default: m.SendMessageDialog }))
+);
+const CreateTaskDialog = lazy(() =>
+  import('./dialogs/CreateTaskDialog').then((m) => ({ default: m.CreateTaskDialog }))
+);
+const ChangeReviewDialog = lazy(() =>
+  import('./review/ChangeReviewDialog').then((m) => ({ default: m.ChangeReviewDialog }))
+);
 import { MemberList } from './members/MemberList';
 import { MessagesPanel } from './messages/MessagesPanel';
-import { ChangeReviewDialog } from './review/ChangeReviewDialog';
 import { ScheduleSection } from './schedule/ScheduleSection';
 import { TeamSidebarHost } from './sidebar/TeamSidebarHost';
 import { TeamSidebarPortalSource } from './sidebar/TeamSidebarPortalSource';
@@ -874,10 +885,10 @@ const TeamMemberDetailDialogBridge = memo(function TeamMemberDetailDialogBridge(
   );
 });
 
-export const TeamDetailView = ({
+export const TeamDetailView = memo(function TeamDetailView({
   teamName,
   isPaneFocused = false,
-}: TeamDetailViewProps): React.JSX.Element => {
+}: TeamDetailViewProps): React.JSX.Element {
   const { isLight } = useTheme();
   const [requestChangesTaskId, setRequestChangesTaskId] = useState<string | null>(null);
   const [selectedTask, setSelectedTask] = useState<TeamTaskWithKanban | null>(null);
@@ -2077,18 +2088,22 @@ export const TeamDetailView = ({
               </div>
             </div>
           </div>
-          <LaunchTeamDialog
-            mode={launchDialogState.mode}
-            open={launchDialogOpen}
-            teamName={teamName}
-            members={[]}
-            defaultProjectPath={draftTeamSummary?.projectPath}
-            provisioningError={provisioningError}
-            clearProvisioningError={clearProvisioningError}
-            onClose={closeLaunchDialog}
-            onLaunch={handleLaunchDialogSubmit}
-            onRelaunch={handleRelaunchDialogSubmit}
-          />
+          {launchDialogOpen && (
+            <Suspense fallback={null}>
+              <LaunchTeamDialog
+                mode={launchDialogState.mode}
+                open={launchDialogOpen}
+                teamName={teamName}
+                members={[]}
+                defaultProjectPath={draftTeamSummary?.projectPath}
+                provisioningError={provisioningError}
+                clearProvisioningError={clearProvisioningError}
+                onClose={closeLaunchDialog}
+                onLaunch={handleLaunchDialogSubmit}
+                onRelaunch={handleRelaunchDialogSubmit}
+              />
+            </Suspense>
+          )}
         </>
       );
     }
@@ -2744,21 +2759,25 @@ export const TeamDetailView = ({
                 }}
               />
 
-              <CreateTaskDialog
-                open={createTaskDialog.open}
-                teamName={teamName}
-                members={activeMembers}
-                tasks={data.tasks}
-                isTeamAlive={data.isAlive && !isTeamProvisioning}
-                defaultSubject={createTaskDialog.defaultSubject}
-                defaultDescription={createTaskDialog.defaultDescription}
-                defaultOwner={createTaskDialog.defaultOwner}
-                defaultStartImmediately={createTaskDialog.defaultStartImmediately}
-                defaultChip={createTaskDialog.defaultChip}
-                onClose={closeCreateTaskDialog}
-                onSubmit={handleCreateTask}
-                submitting={creatingTask}
-              />
+              {createTaskDialog.open && (
+                <Suspense fallback={null}>
+                  <CreateTaskDialog
+                    open={createTaskDialog.open}
+                    teamName={teamName}
+                    members={activeMembers}
+                    tasks={data.tasks}
+                    isTeamAlive={data.isAlive && !isTeamProvisioning}
+                    defaultSubject={createTaskDialog.defaultSubject}
+                    defaultDescription={createTaskDialog.defaultDescription}
+                    defaultOwner={createTaskDialog.defaultOwner}
+                    defaultStartImmediately={createTaskDialog.defaultStartImmediately}
+                    defaultChip={createTaskDialog.defaultChip}
+                    onClose={closeCreateTaskDialog}
+                    onSubmit={handleCreateTask}
+                    submitting={creatingTask}
+                  />
+                </Suspense>
+              )}
 
               <EditTeamDialog
                 open={editDialogOpen}
@@ -2864,117 +2883,129 @@ export const TeamDetailView = ({
                 </DialogContent>
               </Dialog>
 
-              <LaunchTeamDialog
-                mode={launchDialogState.mode}
-                open={launchDialogOpen}
-                teamName={teamName}
-                members={membersWithLiveBranches}
-                defaultProjectPath={data.config.projectPath}
-                provisioningError={provisioningError}
-                clearProvisioningError={clearProvisioningError}
-                activeTeams={activeTeamsForLaunch}
-                onClose={closeLaunchDialog}
-                onLaunch={handleLaunchDialogSubmit}
-                onRelaunch={handleRelaunchDialogSubmit}
-              />
+              {launchDialogOpen && (
+                <Suspense fallback={null}>
+                  <LaunchTeamDialog
+                    mode={launchDialogState.mode}
+                    open={launchDialogOpen}
+                    teamName={teamName}
+                    members={membersWithLiveBranches}
+                    defaultProjectPath={data.config.projectPath}
+                    provisioningError={provisioningError}
+                    clearProvisioningError={clearProvisioningError}
+                    activeTeams={activeTeamsForLaunch}
+                    onClose={closeLaunchDialog}
+                    onLaunch={handleLaunchDialogSubmit}
+                    onRelaunch={handleRelaunchDialogSubmit}
+                  />
+                </Suspense>
+              )}
 
-              <SendMessageDialog
-                open={sendDialogOpen}
-                teamName={teamName}
-                members={activeMembers}
-                defaultRecipient={sendDialogRecipient}
-                defaultText={sendDialogDefaultText}
-                defaultChip={sendDialogDefaultChip}
-                quotedMessage={replyQuote}
-                isTeamAlive={data.isAlive}
-                sending={sendingMessage}
-                sendError={sendMessageError}
-                sendWarning={sendMessageWarning}
-                sendDebugDetails={sendMessageDebugDetails}
-                lastResult={lastSendMessageResult}
-                onSend={async (member, text, summary, attachments, actionMode, taskRefs) => {
-                  const sentAtMs = Date.now();
-                  setPendingRepliesByMember((prev) => ({ ...prev, [member]: sentAtMs }));
-                  try {
-                    const result = await sendTeamMessage(teamName, {
-                      member,
-                      text,
-                      summary,
-                      attachments,
-                      actionMode,
-                      taskRefs,
-                    });
-                    if (
-                      result?.runtimeDelivery?.attempted === true &&
-                      result.runtimeDelivery.delivered === false
-                    ) {
-                      setPendingRepliesByMember((prev) => {
-                        if (prev[member] !== sentAtMs) return prev;
-                        const next = { ...prev };
-                        delete next[member];
-                        return next;
-                      });
-                    }
-                    return result;
-                  } catch (error) {
-                    setPendingRepliesByMember((prev) => {
-                      if (prev[member] !== sentAtMs) return prev;
-                      const next = { ...prev };
-                      delete next[member];
-                      return next;
-                    });
-                    throw error;
-                  }
-                }}
-                onClose={() => {
-                  setSendDialogOpen(false);
-                  setReplyQuote(undefined);
-                  setSendDialogDefaultText(undefined);
-                  setSendDialogDefaultChip(undefined);
-                }}
-              />
+              {sendDialogOpen && (
+                <Suspense fallback={null}>
+                  <SendMessageDialog
+                    open={sendDialogOpen}
+                    teamName={teamName}
+                    members={activeMembers}
+                    defaultRecipient={sendDialogRecipient}
+                    defaultText={sendDialogDefaultText}
+                    defaultChip={sendDialogDefaultChip}
+                    quotedMessage={replyQuote}
+                    isTeamAlive={data.isAlive}
+                    sending={sendingMessage}
+                    sendError={sendMessageError}
+                    sendWarning={sendMessageWarning}
+                    sendDebugDetails={sendMessageDebugDetails}
+                    lastResult={lastSendMessageResult}
+                    onSend={async (member, text, summary, attachments, actionMode, taskRefs) => {
+                      const sentAtMs = Date.now();
+                      setPendingRepliesByMember((prev) => ({ ...prev, [member]: sentAtMs }));
+                      try {
+                        const result = await sendTeamMessage(teamName, {
+                          member,
+                          text,
+                          summary,
+                          attachments,
+                          actionMode,
+                          taskRefs,
+                        });
+                        if (
+                          result?.runtimeDelivery?.attempted === true &&
+                          result.runtimeDelivery.delivered === false
+                        ) {
+                          setPendingRepliesByMember((prev) => {
+                            if (prev[member] !== sentAtMs) return prev;
+                            const next = { ...prev };
+                            delete next[member];
+                            return next;
+                          });
+                        }
+                        return result;
+                      } catch (error) {
+                        setPendingRepliesByMember((prev) => {
+                          if (prev[member] !== sentAtMs) return prev;
+                          const next = { ...prev };
+                          delete next[member];
+                          return next;
+                        });
+                        throw error;
+                      }
+                    }}
+                    onClose={() => {
+                      setSendDialogOpen(false);
+                      setReplyQuote(undefined);
+                      setSendDialogDefaultText(undefined);
+                      setSendDialogDefaultChip(undefined);
+                    }}
+                  />
+                </Suspense>
+              )}
 
-              <TaskDetailDialog
-                open={selectedTask !== null}
-                task={selectedTask}
-                teamName={teamName}
-                kanbanTaskState={
-                  selectedTask ? data?.kanbanState.tasks[selectedTask.id] : undefined
-                }
-                taskMap={taskMap}
-                members={activeMembers}
-                onClose={() => setSelectedTask(null)}
-                onScrollToTask={(taskId) => {
-                  setSelectedTask(null);
-                  const el = document.querySelector(`[data-task-id="${taskId}"]`);
-                  if (el) {
-                    el.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
-                    el.classList.remove('kanban-card-focus-pulse');
-                    void (el as HTMLElement).offsetWidth;
-                    el.classList.add('kanban-card-focus-pulse');
-                    el.addEventListener(
-                      'animationend',
-                      () => el.classList.remove('kanban-card-focus-pulse'),
-                      { once: true }
-                    );
-                  }
-                }}
-                onOwnerChange={(taskId, owner) => {
-                  void (async () => {
-                    try {
-                      await updateTaskOwner(teamName, taskId, owner);
-                    } catch {
-                      // error via store
+              {selectedTask !== null && (
+                <Suspense fallback={null}>
+                  <TaskDetailDialog
+                    open={selectedTask !== null}
+                    task={selectedTask}
+                    teamName={teamName}
+                    kanbanTaskState={
+                      selectedTask ? data?.kanbanState.tasks[selectedTask.id] : undefined
                     }
-                  })();
-                }}
-                onViewChanges={handleViewChangesForFile}
-                onOpenInEditor={(filePath) => {
-                  const { revealFileInEditor } = useStore.getState();
-                  revealFileInEditor(filePath);
-                }}
-                onDeleteTask={handleDeleteTask}
-              />
+                    taskMap={taskMap}
+                    members={activeMembers}
+                    onClose={() => setSelectedTask(null)}
+                    onScrollToTask={(taskId) => {
+                      setSelectedTask(null);
+                      const el = document.querySelector(`[data-task-id="${taskId}"]`);
+                      if (el) {
+                        el.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
+                        el.classList.remove('kanban-card-focus-pulse');
+                        void (el as HTMLElement).offsetWidth;
+                        el.classList.add('kanban-card-focus-pulse');
+                        el.addEventListener(
+                          'animationend',
+                          () => el.classList.remove('kanban-card-focus-pulse'),
+                          { once: true }
+                        );
+                      }
+                    }}
+                    onOwnerChange={(taskId, owner) => {
+                      void (async () => {
+                        try {
+                          await updateTaskOwner(teamName, taskId, owner);
+                        } catch {
+                          // error via store
+                        }
+                      })();
+                    }}
+                    onViewChanges={handleViewChangesForFile}
+                    onOpenInEditor={(filePath) => {
+                      const { revealFileInEditor } = useStore.getState();
+                      revealFileInEditor(filePath);
+                    }}
+                    onDeleteTask={handleDeleteTask}
+                  />
+                </Suspense>
+              )}
 
               <TrashDialog
                 open={trashOpen}
@@ -2991,26 +3022,30 @@ export const TeamDetailView = ({
                 }}
               />
 
-              <ChangeReviewDialog
-                open={reviewDialogState.open}
-                onOpenChange={(open) =>
-                  setReviewDialogState((prev) => ({
-                    ...prev,
-                    open,
-                    ...(open
-                      ? {}
-                      : { initialFilePath: undefined, taskChangeRequestOptions: undefined }),
-                  }))
-                }
-                teamName={teamName}
-                mode={reviewDialogState.mode}
-                memberName={reviewDialogState.memberName}
-                taskId={reviewDialogState.taskId}
-                initialFilePath={reviewDialogState.initialFilePath}
-                taskChangeRequestOptions={reviewDialogState.taskChangeRequestOptions}
-                projectPath={data.config.projectPath}
-                onEditorAction={handleEditorAction}
-              />
+              {reviewDialogState.open && (
+                <Suspense fallback={null}>
+                  <ChangeReviewDialog
+                    open={reviewDialogState.open}
+                    onOpenChange={(open) =>
+                      setReviewDialogState((prev) => ({
+                        ...prev,
+                        open,
+                        ...(open
+                          ? {}
+                          : { initialFilePath: undefined, taskChangeRequestOptions: undefined }),
+                      }))
+                    }
+                    teamName={teamName}
+                    mode={reviewDialogState.mode}
+                    memberName={reviewDialogState.memberName}
+                    taskId={reviewDialogState.taskId}
+                    initialFilePath={reviewDialogState.initialFilePath}
+                    taskChangeRequestOptions={reviewDialogState.taskChangeRequestOptions}
+                    projectPath={data.config.projectPath}
+                    onEditorAction={handleEditorAction}
+                  />
+                </Suspense>
+              )}
             </div>
             <div
               ref={setMessagesPanelMountPoint}
@@ -3077,4 +3112,4 @@ export const TeamDetailView = ({
       {renderBody()}
     </>
   );
-};
+});

src/renderer/components/team/TeamListView.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useState } from 'react';
+import { lazy, memo, Suspense, useCallback, useEffect, useMemo, useState } from 'react';
 
 import { recordRecentProjectOpenPaths } from '@features/recent-projects/renderer';
 import { api, isElectronMode } from '@renderer/api';
@@ -45,8 +45,6 @@ import {
 } from 'lucide-react';
 import { useShallow } from 'zustand/react/shallow';
 
-import { CreateTeamDialog } from './dialogs/CreateTeamDialog';
-import { LaunchTeamDialog } from './dialogs/LaunchTeamDialog';
 import { TeamEmptyState } from './TeamEmptyState';
 import { EMPTY_TEAM_FILTER, TeamListFilterPopover } from './TeamListFilterPopover';
 import {
@@ -67,6 +65,13 @@ import type {
   TeamSummaryMember,
 } from '@shared/types';
 
+const CreateTeamDialog = lazy(() =>
+  import('./dialogs/CreateTeamDialog').then((m) => ({ default: m.CreateTeamDialog }))
+);
+const LaunchTeamDialog = lazy(() =>
+  import('./dialogs/LaunchTeamDialog').then((m) => ({ default: m.LaunchTeamDialog }))
+);
+
 function generateUniqueName(sourceName: string, existingNames: string[]): string {
   const base = sourceName.replace(/-\d+$/, '');
   const existing = new Set(existingNames);
@@ -233,7 +238,7 @@ const StatusBadge = ({ status }: { status: TeamStatus }): React.JSX.Element => {
   }
 };
 
-export const TeamListView = (): React.JSX.Element => {
+export const TeamListView = memo(function TeamListView(): React.JSX.Element {
   const { isLight } = useTheme();
   const electronMode = isElectronMode();
   const [showCreateDialog, setShowCreateDialog] = useState(false);
@@ -731,36 +736,40 @@ export const TeamListView = (): React.JSX.Element => {
     );
   }
 
-  const createDialogElement = (
-    <CreateTeamDialog
-      open={showCreateDialog}
-      canCreate={canCreate}
-      provisioningErrorsByTeam={provisioningErrorByTeam}
-      clearProvisioningError={clearProvisioningError}
-      existingTeamNames={teams.map((t) => t.teamName)}
-      provisioningTeamNames={provisioningTeamNames}
-      activeTeams={activeTeams}
-      initialData={copyData ?? undefined}
-      defaultProjectPath={currentProjectPath}
-      onClose={handleCreateDialogClose}
-      onCreate={handleCreateSubmit}
-      onOpenTeam={openTeamTab}
-    />
+  const createDialogElement = showCreateDialog && (
+    <Suspense fallback={null}>
+      <CreateTeamDialog
+        open={showCreateDialog}
+        canCreate={canCreate}
+        provisioningErrorsByTeam={provisioningErrorByTeam}
+        clearProvisioningError={clearProvisioningError}
+        existingTeamNames={teams.map((t) => t.teamName)}
+        provisioningTeamNames={provisioningTeamNames}
+        activeTeams={activeTeams}
+        initialData={copyData ?? undefined}
+        defaultProjectPath={currentProjectPath}
+        onClose={handleCreateDialogClose}
+        onCreate={handleCreateSubmit}
+        onOpenTeam={openTeamTab}
+      />
+    </Suspense>
   );
 
-  const launchDialogElement = (
-    <LaunchTeamDialog
-      mode="launch"
-      open={launchDialogOpen}
-      teamName={launchDialogTeamName}
-      members={launchDialogMembers}
-      defaultProjectPath={launchDialogDefaultPath}
-      provisioningError={provisioningErrorByTeam[launchDialogTeamName] ?? null}
-      clearProvisioningError={clearProvisioningError}
-      activeTeams={activeTeams}
-      onClose={() => setLaunchDialogOpen(false)}
-      onLaunch={handleLaunchSubmit}
-    />
+  const launchDialogElement = launchDialogOpen && (
+    <Suspense fallback={null}>
+      <LaunchTeamDialog
+        mode="launch"
+        open={launchDialogOpen}
+        teamName={launchDialogTeamName}
+        members={launchDialogMembers}
+        defaultProjectPath={launchDialogDefaultPath}
+        provisioningError={provisioningErrorByTeam[launchDialogTeamName] ?? null}
+        clearProvisioningError={clearProvisioningError}
+        activeTeams={activeTeams}
+        onClose={() => setLaunchDialogOpen(false)}
+        onLaunch={handleLaunchSubmit}
+      />
+    </Suspense>
   );
 
   const renderHeader = (): React.JSX.Element => (
@@ -1177,4 +1186,4 @@ export const TeamListView = (): React.JSX.Element => {
       </div>
     </TooltipProvider>
   );
-};
+});

src/renderer/components/team/activity/ActiveTasksBlock.tsx

@@ -1,4 +1,4 @@
-import { type ReactNode, useState } from 'react';
+import { memo, type ReactNode, useState } from 'react';
 
 import { CARD_BG, CARD_BORDER_STYLE, CARD_ICON_MUTED } from '@renderer/constants/cssVariables';
 import { getTeamColorSet, getThemedBadge } from '@renderer/constants/teamColors';
@@ -32,14 +32,14 @@ interface ActivityEntry {
   kind: 'working' | 'reviewing';
 }
 
-export const ActiveTasksBlock = ({
+export const ActiveTasksBlock = memo(function ActiveTasksBlock({
   members,
   tasks,
   defaultCollapsed = false,
   headerRight,
   onMemberClick,
   onTaskClick,
-}: ActiveTasksBlockProps): React.JSX.Element | null => {
+}: ActiveTasksBlockProps): React.JSX.Element | null {
   const { isLight } = useTheme();
   const [collapsed, setCollapsed] = useState(defaultCollapsed);
   const colorMap = buildMemberColorMap(members);
@@ -188,4 +188,4 @@ export const ActiveTasksBlock = ({
         })}
     </div>
   );
-};
+});

src/renderer/components/team/activity/PendingRepliesBlock.tsx

@@ -1,3 +1,5 @@
+import { memo } from 'react';
+
 import { CARD_BG, CARD_BORDER_STYLE, CARD_ICON_MUTED } from '@renderer/constants/cssVariables';
 import { getTeamColorSet, getThemedBadge } from '@renderer/constants/teamColors';
 import { useTheme } from '@renderer/hooks/useTheme';
@@ -32,13 +34,13 @@ interface PendingRepliesBlockProps {
   onMemberClick?: (member: ResolvedTeamMember) => void;
 }
 
-export const PendingRepliesBlock = ({
+export const PendingRepliesBlock = memo(function PendingRepliesBlock({
   members,
   pendingRepliesByMember,
   pendingCrossTeamReplies = [],
   headerRight,
   onMemberClick,
-}: PendingRepliesBlockProps): React.JSX.Element | null => {
+}: PendingRepliesBlockProps): React.JSX.Element | null {
   const { isLight } = useTheme();
   const pendingApprovals = useStore(useShallow((s) => s.pendingApprovals));
   const colorMap = buildMemberColorMap(members);
@@ -270,4 +272,4 @@ export const PendingRepliesBlock = ({
       })}
     </div>
   );
-};
+});

src/renderer/components/team/activity/ReplyQuoteBlock.tsx

@@ -1,4 +1,4 @@
-import { useState } from 'react';
+import { memo, useState } from 'react';
 
 import { MarkdownViewer } from '@renderer/components/chat/viewers/MarkdownViewer';
 import { MemberBadge } from '@renderer/components/team/MemberBadge';
@@ -20,60 +20,62 @@ interface ReplyQuoteBlockProps {
 /** Threshold (characters) above which the "more/less" toggle is shown. */
 const LONG_QUOTE_THRESHOLD = 200;
 
-export const ReplyQuoteBlock = ({
-  reply,
-  memberColor,
-  bodyMaxHeight = 'max-h-56',
-  replyTaskRefs,
-}: ReplyQuoteBlockProps): React.JSX.Element => {
-  const isLong = reply.originalText.length > LONG_QUOTE_THRESHOLD;
-  const [expanded, setExpanded] = useState(false);
+export const ReplyQuoteBlock = memo(
+  ({
+    reply,
+    memberColor,
+    bodyMaxHeight = 'max-h-56',
+    replyTaskRefs,
+  }: ReplyQuoteBlockProps): React.JSX.Element => {
+    const isLong = reply.originalText.length > LONG_QUOTE_THRESHOLD;
+    const [expanded, setExpanded] = useState(false);
 
-  const quoteMaxHeight = expanded ? 'max-h-48' : 'max-h-[3.75rem]';
+    const quoteMaxHeight = expanded ? 'max-h-48' : 'max-h-[3.75rem]';
 
-  return (
-    <div className="space-y-2">
-      {/* Quote block — styled like SendMessageDialog */}
-      <div className="relative overflow-hidden rounded-md border border-blue-400/20 bg-blue-100/40 py-2 pl-3 pr-2 dark:border-blue-500/20 dark:bg-blue-950/20">
-        {/* Decorative quotation mark */}
-        <span className="pointer-events-none absolute -right-1 top-1/2 -translate-y-1/2 select-none font-serif text-[48px] leading-none text-blue-600/[0.08] dark:text-blue-400/[0.08]">
-          &ldquo;
-        </span>
+    return (
+      <div className="space-y-2">
+        {/* Quote block — styled like SendMessageDialog */}
+        <div className="relative overflow-hidden rounded-md border border-blue-400/20 bg-blue-100/40 py-2 pl-3 pr-2 dark:border-blue-500/20 dark:bg-blue-950/20">
+          {/* Decorative quotation mark */}
+          <span className="pointer-events-none absolute -right-1 top-1/2 -translate-y-1/2 select-none font-serif text-[48px] leading-none text-blue-600/[0.08] dark:text-blue-400/[0.08]">
+            &ldquo;
+          </span>
 
-        {/* "Replying to" + MemberBadge */}
-        <div className="mb-1 flex items-center gap-1.5">
-          <span className="text-[10px] text-blue-600/60 dark:text-blue-300/60">Replying to</span>
-          <MemberBadge name={reply.agentName} color={memberColor} size="sm" />
+          {/* "Replying to" + MemberBadge */}
+          <div className="mb-1 flex items-center gap-1.5">
+            <span className="text-[10px] text-blue-600/60 dark:text-blue-300/60">Replying to</span>
+            <MemberBadge name={reply.agentName} color={memberColor} size="sm" />
+          </div>
+
+          {/* Quote text */}
+          <div className={`pr-5 opacity-50 ${expanded ? '' : 'max-h-[3.75rem] overflow-hidden'}`}>
+            <MarkdownViewer
+              content={linkifyTaskIdsInMarkdown(reply.originalText)}
+              bare
+              maxHeight={quoteMaxHeight}
+            />
+          </div>
+
+          {/* More/less toggle */}
+          {isLong ? (
+            <button
+              type="button"
+              className="mt-0.5 text-[10px] text-blue-600/60 hover:text-blue-700 dark:text-blue-400/60 dark:hover:text-blue-300"
+              onClick={() => setExpanded((v) => !v)}
+            >
+              {expanded ? 'less' : 'more'}
+            </button>
+          ) : null}
         </div>
 
-        {/* Quote text */}
-        <div className={`pr-5 opacity-50 ${expanded ? '' : 'max-h-[3.75rem] overflow-hidden'}`}>
-          <MarkdownViewer
-            content={linkifyTaskIdsInMarkdown(reply.originalText)}
-            bare
-            maxHeight={quoteMaxHeight}
-          />
-        </div>
-
-        {/* More/less toggle */}
-        {isLong ? (
-          <button
-            type="button"
-            className="mt-0.5 text-[10px] text-blue-600/60 hover:text-blue-700 dark:text-blue-400/60 dark:hover:text-blue-300"
-            onClick={() => setExpanded((v) => !v)}
-          >
-            {expanded ? 'less' : 'more'}
-          </button>
-        ) : null}
+        {/* Reply text */}
+        <MarkdownViewer
+          content={linkifyTaskIdsInMarkdown(reply.replyText, replyTaskRefs)}
+          maxHeight={bodyMaxHeight}
+          copyable
+          bare
+        />
       </div>
-
-      {/* Reply text */}
-      <MarkdownViewer
-        content={linkifyTaskIdsInMarkdown(reply.replyText, replyTaskRefs)}
-        maxHeight={bodyMaxHeight}
-        copyable
-        bare
-      />
-    </div>
-  );
-};
+    );
+  }
+);

src/renderer/components/team/kanban/KanbanBoard.tsx

@@ -1,4 +1,4 @@
-import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import { memo, useCallback, useEffect, useMemo, useRef, useState } from 'react';
 
 import { DndContext, PointerSensor, useSensor, useSensors } from '@dnd-kit/core';
 import { arrayMove } from '@dnd-kit/sortable';
@@ -311,7 +311,7 @@ const SortableKanbanTaskCard = ({
   );
 };
 
-export const KanbanBoard = ({
+export const KanbanBoard = memo(function KanbanBoard({
   tasks,
   teamName,
   kanbanState,
@@ -338,7 +338,7 @@ export const KanbanBoard = ({
   onDeleteTask,
   deletedTaskCount,
   onOpenTrash,
-}: KanbanBoardProps): React.JSX.Element => {
+}: KanbanBoardProps): React.JSX.Element {
   const boardRef = useRef<HTMLDivElement>(null);
   const scrollRestoreTimeoutsRef = useRef<number[]>([]);
   const [viewMode, setViewMode] = useState<KanbanViewMode>('grid');
@@ -422,101 +422,119 @@ export const KanbanBoard = ({
     [onColumnOrderChange, groupedOrdered]
   );
 
-  const renderCards = (
-    columnId: KanbanColumnId,
-    columnTasks: TeamTask[],
-    compact?: boolean
-  ): React.JSX.Element => {
-    const addHandler =
-      onAddTask && columnId === 'todo'
-        ? () => onAddTask(false)
-        : onAddTask && columnId === 'in_progress'
-          ? () => onAddTask(true)
-          : undefined;
+  const renderCards = useCallback(
+    (columnId: KanbanColumnId, columnTasks: TeamTask[], compact?: boolean): React.JSX.Element => {
+      const addHandler =
+        onAddTask && columnId === 'todo'
+          ? () => onAddTask(false)
+          : onAddTask && columnId === 'in_progress'
+            ? () => onAddTask(true)
+            : undefined;
 
-    const addButton = addHandler ? (
-      <button
-        type="button"
-        onClick={addHandler}
-        className="flex w-full items-center justify-center gap-1.5 rounded-md border border-dashed border-[var(--color-border)] p-3 text-xs text-[var(--color-text-muted)] transition-colors hover:border-[var(--color-border-emphasis)] hover:text-[var(--color-text-secondary)]"
-      >
-        <Plus size={13} />
-        Add task
-      </button>
-    ) : null;
+      const addButton = addHandler ? (
+        <button
+          type="button"
+          onClick={addHandler}
+          className="flex w-full items-center justify-center gap-1.5 rounded-md border border-dashed border-[var(--color-border)] p-3 text-xs text-[var(--color-text-muted)] transition-colors hover:border-[var(--color-border-emphasis)] hover:text-[var(--color-text-secondary)]"
+        >
+          <Plus size={13} />
+          Add task
+        </button>
+      ) : null;
 
-    if (columnTasks.length === 0) {
-      return (
-        addButton ?? (
-          <div className="rounded-md border border-dashed border-[var(--color-border)] p-3 text-xs text-[var(--color-text-muted)]">
-            No tasks
-          </div>
-        )
-      );
-    }
-    if (enableTaskSorting) {
-      const itemIds = columnTasks.map((t) => t.id);
+      if (columnTasks.length === 0) {
+        return (
+          addButton ?? (
+            <div className="rounded-md border border-dashed border-[var(--color-border)] p-3 text-xs text-[var(--color-text-muted)]">
+              No tasks
+            </div>
+          )
+        );
+      }
+      if (enableTaskSorting) {
+        const itemIds = columnTasks.map((t) => t.id);
+        return (
+          <>
+            <SortableContext items={itemIds} strategy={verticalListSortingStrategy}>
+              {columnTasks.map((task) => (
+                <SortableKanbanTaskCard
+                  key={task.id}
+                  task={task}
+                  columnId={columnId}
+                  teamName={teamName}
+                  kanbanState={kanbanState}
+                  compact={compact}
+                  taskMap={taskMap}
+                  memberColorMap={memberColorMap}
+                  onRequestReview={onRequestReview}
+                  onApprove={onApprove}
+                  onRequestChanges={onRequestChanges}
+                  onMoveBackToDone={onMoveBackToDone}
+                  onStartTask={onStartTask}
+                  onCompleteTask={onCompleteTask}
+                  onCancelTask={onCancelTask}
+                  onScrollToTask={onScrollToTask}
+                  onTaskClick={onTaskClick}
+                  onViewChanges={onViewChanges}
+                  onDeleteTask={onDeleteTask}
+                />
+              ))}
+            </SortableContext>
+            {addButton}
+          </>
+        );
+      }
       return (
         <>
-          <SortableContext items={itemIds} strategy={verticalListSortingStrategy}>
-            {columnTasks.map((task) => (
-              <SortableKanbanTaskCard
-                key={task.id}
-                task={task}
-                columnId={columnId}
-                teamName={teamName}
-                kanbanState={kanbanState}
-                compact={compact}
-                taskMap={taskMap}
-                memberColorMap={memberColorMap}
-                onRequestReview={onRequestReview}
-                onApprove={onApprove}
-                onRequestChanges={onRequestChanges}
-                onMoveBackToDone={onMoveBackToDone}
-                onStartTask={onStartTask}
-                onCompleteTask={onCompleteTask}
-                onCancelTask={onCancelTask}
-                onScrollToTask={onScrollToTask}
-                onTaskClick={onTaskClick}
-                onViewChanges={onViewChanges}
-                onDeleteTask={onDeleteTask}
-              />
-            ))}
-          </SortableContext>
+          {columnTasks.map((task) => (
+            <KanbanTaskCard
+              key={task.id}
+              task={task}
+              teamName={teamName}
+              columnId={columnId}
+              kanbanTaskState={kanbanState.tasks[task.id]}
+              hasReviewers={hasReviewers}
+              compact={compact}
+              taskMap={taskMap}
+              memberColorMap={memberColorMap}
+              onRequestReview={onRequestReview}
+              onApprove={onApprove}
+              onRequestChanges={onRequestChanges}
+              onMoveBackToDone={onMoveBackToDone}
+              onStartTask={onStartTask}
+              onCompleteTask={onCompleteTask}
+              onCancelTask={onCancelTask}
+              onScrollToTask={onScrollToTask}
+              onTaskClick={onTaskClick}
+              onViewChanges={onViewChanges}
+              onDeleteTask={onDeleteTask}
+            />
+          ))}
           {addButton}
         </>
       );
-    }
-    return (
-      <>
-        {columnTasks.map((task) => (
-          <KanbanTaskCard
-            key={task.id}
-            task={task}
-            teamName={teamName}
-            columnId={columnId}
-            kanbanTaskState={kanbanState.tasks[task.id]}
-            hasReviewers={hasReviewers}
-            compact={compact}
-            taskMap={taskMap}
-            memberColorMap={memberColorMap}
-            onRequestReview={onRequestReview}
-            onApprove={onApprove}
-            onRequestChanges={onRequestChanges}
-            onMoveBackToDone={onMoveBackToDone}
-            onStartTask={onStartTask}
-            onCompleteTask={onCompleteTask}
-            onCancelTask={onCancelTask}
-            onScrollToTask={onScrollToTask}
-            onTaskClick={onTaskClick}
-            onViewChanges={onViewChanges}
-            onDeleteTask={onDeleteTask}
-          />
-        ))}
-        {addButton}
-      </>
-    );
-  };
+    },
+    [
+      enableTaskSorting,
+      hasReviewers,
+      kanbanState,
+      memberColorMap,
+      onAddTask,
+      onApprove,
+      onCancelTask,
+      onCompleteTask,
+      onDeleteTask,
+      onMoveBackToDone,
+      onRequestChanges,
+      onRequestReview,
+      onScrollToTask,
+      onStartTask,
+      onTaskClick,
+      onViewChanges,
+      taskMap,
+      teamName,
+    ]
+  );
 
   const visibleColumns = useMemo(
     () => (filter.columns.size > 0 ? COLUMNS.filter((c) => filter.columns.has(c.id)) : COLUMNS),
@@ -591,6 +609,29 @@ export const KanbanBoard = ({
     [scheduleScrollRestore, viewMode]
   );
 
+  const gridColumns = useMemo(
+    () =>
+      visibleColumns.map((column) => {
+        const columnTasks = groupedOrdered.get(column.id) ?? [];
+        const accent = COLUMN_ACCENTS[column.id];
+        return {
+          id: column.id,
+          title: column.title,
+          count: columnTasks.length,
+          icon: accent.icon,
+          headerBg: accent.headerBg,
+          bodyBg: accent.bodyBg,
+          content: renderCards(column.id, columnTasks),
+          showAddButton: columnSupportsAddButton(column.id, onAddTask),
+          skeletonCards: columnTasks.map((task) => ({
+            key: task.id,
+            height: estimateGridSkeletonCardHeight(task, column.id, kanbanState, hasReviewers),
+          })),
+        };
+      }),
+    [visibleColumns, groupedOrdered, renderCards, onAddTask, kanbanState, hasReviewers]
+  );
+
   const boardContent = (
     <div ref={boardRef} className="min-w-0 max-w-full overflow-x-hidden">
       <div
@@ -682,25 +723,7 @@ export const KanbanBoard = ({
           primaryColumnId={primaryVisibleColumnId}
           onPrimaryColumnWidthChange={setGridPrimaryColumnWidth}
           skeletonDelayMs={gridSkeletonDelayMs}
-          columns={visibleColumns.map((column) => {
-            const columnTasks = groupedOrdered.get(column.id) ?? [];
-            const accent = COLUMN_ACCENTS[column.id];
-
-            return {
-              id: column.id,
-              title: column.title,
-              count: columnTasks.length,
-              icon: accent.icon,
-              headerBg: accent.headerBg,
-              bodyBg: accent.bodyBg,
-              content: renderCards(column.id, columnTasks),
-              showAddButton: columnSupportsAddButton(column.id, onAddTask),
-              skeletonCards: columnTasks.map((task) => ({
-                key: task.id,
-                height: estimateGridSkeletonCardHeight(task, column.id, kanbanState, hasReviewers),
-              })),
-            };
-          })}
+          columns={gridColumns}
         />
       ) : (
         <div className="w-full min-w-0 max-w-full overflow-x-auto overflow-y-hidden px-1 pb-6 pr-4 pt-2">
@@ -752,4 +775,4 @@ export const KanbanBoard = ({
   }
 
   return boardContent;
-};
+});

src/renderer/components/team/kanban/KanbanGridLayout.tsx

@@ -1,5 +1,5 @@
 /* eslint-disable tailwindcss/no-custom-classname -- this adapter needs stable non-Tailwind class hooks for react-grid-layout handles. */
-import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import { memo, useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import ReactGridLayout, { WidthProvider } from 'react-grid-layout/legacy';
 
 import { usePersistedGridLayout } from '@renderer/hooks/usePersistedGridLayout';
@@ -387,74 +387,76 @@ const LoadedKanbanGridLayout = ({
   );
 };
 
-export const KanbanGridLayout = ({
-  columns,
-  allColumnIds,
-  primaryColumnId,
-  onPrimaryColumnWidthChange,
-  skeletonDelayMs = SKELETON_HIDE_DELAY_MS,
-}: KanbanGridLayoutProps): React.JSX.Element => {
-  const visibleColumnIds = useMemo(() => columns.map((column) => column.id), [columns]);
-  const { visibleItems, applyVisibleItems, isLoaded } = usePersistedGridLayout({
-    scopeKey: GRID_SCOPE_KEY,
-    allItemIds: allColumnIds,
-    visibleItemIds: visibleColumnIds,
-    cols: GRID_COLS,
-    repository: browserGridLayoutRepository,
-    buildDefaultItems,
-  });
-  const [showResolvedLayout, setShowResolvedLayout] = useState(false);
+export const KanbanGridLayout = memo(
+  ({
+    columns,
+    allColumnIds,
+    primaryColumnId,
+    onPrimaryColumnWidthChange,
+    skeletonDelayMs = SKELETON_HIDE_DELAY_MS,
+  }: KanbanGridLayoutProps): React.JSX.Element => {
+    const visibleColumnIds = useMemo(() => columns.map((column) => column.id), [columns]);
+    const { visibleItems, applyVisibleItems, isLoaded } = usePersistedGridLayout({
+      scopeKey: GRID_SCOPE_KEY,
+      allItemIds: allColumnIds,
+      visibleItemIds: visibleColumnIds,
+      cols: GRID_COLS,
+      repository: browserGridLayoutRepository,
+      buildDefaultItems,
+    });
+    const [showResolvedLayout, setShowResolvedLayout] = useState(false);
 
-  useEffect(() => {
-    if (showResolvedLayout) return;
+    useEffect(() => {
+      if (showResolvedLayout) return;
 
-    const timeoutId = window.setTimeout(() => {
-      setShowResolvedLayout(true);
-    }, skeletonDelayMs);
+      const timeoutId = window.setTimeout(() => {
+        setShowResolvedLayout(true);
+      }, skeletonDelayMs);
 
-    return () => {
-      window.clearTimeout(timeoutId);
-    };
-  }, [showResolvedLayout, skeletonDelayMs]);
+      return () => {
+        window.clearTimeout(timeoutId);
+      };
+    }, [showResolvedLayout, skeletonDelayMs]);
 
-  const applyReactGridLayout = useCallback(
-    (layout: Layout, options?: { persist?: boolean }) => {
-      if (options?.persist) {
-        applyVisibleItems(fromReactGridLayout(layout), options);
-      }
-    },
-    [applyVisibleItems]
-  );
-  const showSkeletonOverlay = !showResolvedLayout || !isLoaded;
+    const applyReactGridLayout = useCallback(
+      (layout: Layout, options?: { persist?: boolean }) => {
+        if (options?.persist) {
+          applyVisibleItems(fromReactGridLayout(layout), options);
+        }
+      },
+      [applyVisibleItems]
+    );
+    const showSkeletonOverlay = !showResolvedLayout || !isLoaded;
 
-  const gridKey = visibleItems.map((item) => item.id).join('|');
+    const gridKey = visibleItems.map((item) => item.id).join('|');
 
-  return (
-    <div className="relative min-w-0 max-w-full">
-      <LoadedKanbanGridLayout
-        key={gridKey}
-        columns={columns}
-        visibleItems={visibleItems}
-        onPersistLayout={applyReactGridLayout}
-        primaryColumnId={primaryColumnId}
-        onPrimaryColumnWidthChange={onPrimaryColumnWidthChange}
-        className={cn(
-          'transition-opacity duration-150',
-          showSkeletonOverlay ? 'pointer-events-none opacity-0' : 'opacity-100'
-        )}
-      />
-      {showSkeletonOverlay ? (
-        <LoadingKanbanGridLayout
+    return (
+      <div className="relative min-w-0 max-w-full">
+        <LoadedKanbanGridLayout
+          key={gridKey}
           columns={columns}
           visibleItems={visibleItems}
+          onPersistLayout={applyReactGridLayout}
           primaryColumnId={primaryColumnId}
           onPrimaryColumnWidthChange={onPrimaryColumnWidthChange}
-          className="pointer-events-none absolute inset-0 z-10"
+          className={cn(
+            'transition-opacity duration-150',
+            showSkeletonOverlay ? 'pointer-events-none opacity-0' : 'opacity-100'
+          )}
         />
-      ) : null}
-    </div>
-  );
-};
+        {showSkeletonOverlay ? (
+          <LoadingKanbanGridLayout
+            columns={columns}
+            visibleItems={visibleItems}
+            primaryColumnId={primaryColumnId}
+            onPrimaryColumnWidthChange={onPrimaryColumnWidthChange}
+            className="pointer-events-none absolute inset-0 z-10"
+          />
+        ) : null}
+      </div>
+    );
+  }
+);
 
 export { SKELETON_HIDE_DELAY_MS, SKELETON_HIDE_DELAY_MS_ON_MODE_SWITCH };
 /* eslint-enable tailwindcss/no-custom-classname -- stable class hooks remain scoped to this file. */

src/renderer/components/team/members/CurrentTaskIndicator.tsx

@@ -1,3 +1,5 @@
+import { memo } from 'react';
+
 import { SyncedLoader2 } from '@renderer/components/ui/SyncedLoader2';
 import { formatTaskDisplayLabel } from '@shared/utils/taskIdentity';
 
@@ -15,42 +17,44 @@ interface CurrentTaskIndicatorProps {
  * Inline indicator showing a spinning loader + "working on" + task label button.
  * Shared between MemberCard and MemberHoverCard.
  */
-export const CurrentTaskIndicator = ({
-  task,
-  borderColor,
-  maxSubjectLength,
-  activityLabel = 'working on',
-  onOpenTask,
-}: CurrentTaskIndicatorProps): React.JSX.Element => {
-  const subjectText =
-    typeof maxSubjectLength === 'number' &&
-    maxSubjectLength > 0 &&
-    task.subject.length > maxSubjectLength
-      ? `${task.subject.slice(0, maxSubjectLength)}…`
-      : task.subject;
+export const CurrentTaskIndicator = memo(
+  ({
+    task,
+    borderColor,
+    maxSubjectLength,
+    activityLabel = 'working on',
+    onOpenTask,
+  }: CurrentTaskIndicatorProps): React.JSX.Element => {
+    const subjectText =
+      typeof maxSubjectLength === 'number' &&
+      maxSubjectLength > 0 &&
+      task.subject.length > maxSubjectLength
+        ? `${task.subject.slice(0, maxSubjectLength)}…`
+        : task.subject;
 
-  return (
-    <div className="flex min-w-0 flex-1 items-center gap-1.5">
-      <SyncedLoader2 className="size-3 shrink-0" style={{ color: borderColor }} />
-      <span className="shrink-0 text-[10px] text-[var(--color-text-muted)]">{activityLabel}</span>
-      <button
-        type="button"
-        className="min-w-0 flex-1 truncate rounded px-1.5 py-0.5 text-left text-[10px] font-medium text-[var(--color-text)] transition-opacity hover:opacity-90 focus:outline-none focus:ring-1 focus:ring-[var(--color-border)]"
-        title="Open task"
-        onClick={(e) => {
-          e.stopPropagation();
-          onOpenTask?.();
-        }}
-        onKeyDown={(e) => {
-          if (e.key === 'Enter' || e.key === ' ' || e.key === 'Spacebar') {
-            e.preventDefault();
+    return (
+      <div className="flex min-w-0 flex-1 items-center gap-1.5">
+        <SyncedLoader2 className="size-3 shrink-0" style={{ color: borderColor }} />
+        <span className="shrink-0 text-[10px] text-[var(--color-text-muted)]">{activityLabel}</span>
+        <button
+          type="button"
+          className="min-w-0 flex-1 truncate rounded px-1.5 py-0.5 text-left text-[10px] font-medium text-[var(--color-text)] transition-opacity hover:opacity-90 focus:outline-none focus:ring-1 focus:ring-[var(--color-border)]"
+          title="Open task"
+          onClick={(e) => {
             e.stopPropagation();
             onOpenTask?.();
-          }
-        }}
-      >
-        {formatTaskDisplayLabel(task)} {subjectText}
-      </button>
-    </div>
-  );
-};
+          }}
+          onKeyDown={(e) => {
+            if (e.key === 'Enter' || e.key === ' ' || e.key === 'Spacebar') {
+              e.preventDefault();
+              e.stopPropagation();
+              onOpenTask?.();
+            }
+          }}
+        >
+          {formatTaskDisplayLabel(task)} {subjectText}
+        </button>
+      </div>
+    );
+  }
+);

src/renderer/components/team/members/MemberCard.tsx

@@ -1,4 +1,4 @@
-import { useMemo, useState } from 'react';
+import { memo, useMemo, useState } from 'react';
 
 import { Badge } from '@renderer/components/ui/badge';
 import { SyncedLoader2 } from '@renderer/components/ui/SyncedLoader2';
@@ -91,7 +91,7 @@ function splitRuntimeSummaryMemory(runtimeSummary: string | undefined): {
   };
 }
 
-export const MemberCard = ({
+export const MemberCard = memo(function MemberCard({
   member,
   memberColor,
   runtimeSummary,
@@ -119,7 +119,7 @@ export const MemberCard = ({
   onAssignTask,
   onRestartMember,
   onSkipMemberForLaunch,
-}: MemberCardProps): React.JSX.Element => {
+}: MemberCardProps): React.JSX.Element {
   // NOTE: lead context display disabled — usage formula is inaccurate
   // const teamName = useStore((s) => s.selectedTeamName);
   // const leadContext = useStore((s) =>
@@ -711,4 +711,4 @@ export const MemberCard = ({
       </div>
     </div>
   );
-};
+});

src/renderer/components/team/members/MemberHoverCard.tsx

@@ -1,3 +1,5 @@
+import { memo } from 'react';
+
 import { Badge } from '@renderer/components/ui/badge';
 import { HoverCard, HoverCardContent, HoverCardTrigger } from '@renderer/components/ui/hover-card';
 import {
@@ -57,13 +59,13 @@ interface MemberHoverCardProps {
  * Reads member data from the team snapshot + resolved member selectors.
  * Falls back to a simple wrapper when member data is unavailable.
  */
-export const MemberHoverCard = ({
+export const MemberHoverCard = memo(function MemberHoverCard({
   name,
   color,
   teamName,
   onOpenTask,
   children,
-}: MemberHoverCardProps): React.JSX.Element => {
+}: MemberHoverCardProps): React.JSX.Element {
   const { isLight } = useTheme();
   const selectedTeamName = useStore((s) => s.selectedTeamName);
   const effectiveTeamName = teamName ?? selectedTeamName;
@@ -289,4 +291,4 @@ export const MemberHoverCard = ({
       </HoverCardContent>
     </HoverCard>
   );
-};
+});

src/renderer/components/team/members/MemberList.tsx

@@ -10,6 +10,9 @@ import type { TeamLaunchParams } from '@renderer/store/slices/teamSlice';
 import type { TaskStatusCounts } from '@renderer/utils/pathNormalize';
 import type {
   LeadActivityState,
+  MemberLaunchState,
+  MemberSpawnLivenessSource,
+  MemberSpawnStatus,
   MemberSpawnStatusEntry,
   ResolvedTeamMember,
   TeamAgentRuntimeEntry,
@@ -255,6 +258,115 @@ function areMemberListPropsEqual(
   );
 }
 
+// ---------------------------------------------------------------------------
+// Per-member row wrapper — creates stable callbacks so MemberCard memo holds
+// ---------------------------------------------------------------------------
+
+interface MemberCardRowProps {
+  member: ResolvedTeamMember;
+  isRemoved: boolean;
+  memberColor: string;
+  currentTask: TeamTaskWithKanban | null;
+  reviewTask: TeamTaskWithKanban | null;
+  awaitingReply: boolean;
+  taskCounts?: TaskStatusCounts | null;
+  runtimeSummary?: string;
+  runtimeEntry?: TeamAgentRuntimeEntry;
+  runtimeRunId?: string | null;
+  spawnStatus?: MemberSpawnStatus;
+  spawnEntry?: MemberSpawnStatusEntry;
+  spawnError?: string;
+  spawnLivenessSource?: MemberSpawnLivenessSource;
+  spawnLaunchState?: MemberLaunchState;
+  spawnRuntimeAlive?: boolean;
+  isTeamAlive?: boolean;
+  isTeamProvisioning?: boolean;
+  leadActivity?: LeadActivityState;
+  isLaunchSettling?: boolean;
+  onOpenTask?: (taskId: string) => void;
+  onMemberClick?: (member: ResolvedTeamMember) => void;
+  onSendMessage?: (member: ResolvedTeamMember) => void;
+  onAssignTask?: (member: ResolvedTeamMember) => void;
+  onRestartMember?: (memberName: string) => Promise<void> | void;
+  onSkipMemberForLaunch?: (memberName: string) => Promise<void> | void;
+}
+
+const MemberCardRow = memo(function MemberCardRow({
+  member,
+  isRemoved,
+  memberColor,
+  currentTask,
+  reviewTask,
+  awaitingReply,
+  taskCounts,
+  runtimeSummary,
+  runtimeEntry,
+  runtimeRunId,
+  spawnStatus,
+  spawnEntry,
+  spawnError,
+  spawnLivenessSource,
+  spawnLaunchState,
+  spawnRuntimeAlive,
+  isTeamAlive,
+  isTeamProvisioning,
+  leadActivity,
+  isLaunchSettling,
+  onOpenTask,
+  onMemberClick,
+  onSendMessage,
+  onAssignTask,
+  onRestartMember,
+  onSkipMemberForLaunch,
+}: MemberCardRowProps): React.JSX.Element {
+  const currentTaskId = currentTask?.id;
+  const reviewTaskId = reviewTask?.id;
+
+  const handleOpenTask = useCallback(() => {
+    if (currentTaskId) onOpenTask?.(currentTaskId);
+  }, [onOpenTask, currentTaskId]);
+
+  const handleOpenReviewTask = useCallback(() => {
+    if (reviewTaskId) onOpenTask?.(reviewTaskId);
+  }, [onOpenTask, reviewTaskId]);
+
+  const handleClick = useCallback(() => onMemberClick?.(member), [onMemberClick, member]);
+  const handleSendMessage = useCallback(() => onSendMessage?.(member), [onSendMessage, member]);
+  const handleAssignTask = useCallback(() => onAssignTask?.(member), [onAssignTask, member]);
+
+  return (
+    <MemberCard
+      member={member}
+      memberColor={memberColor}
+      taskCounts={taskCounts}
+      isTeamAlive={isTeamAlive}
+      isTeamProvisioning={isTeamProvisioning}
+      leadActivity={isLeadMember(member) ? leadActivity : undefined}
+      currentTask={currentTask}
+      reviewTask={reviewTask}
+      isAwaitingReply={awaitingReply}
+      isRemoved={isRemoved}
+      runtimeSummary={runtimeSummary}
+      runtimeEntry={runtimeEntry}
+      runtimeRunId={runtimeRunId}
+      spawnStatus={spawnStatus}
+      spawnEntry={spawnEntry}
+      spawnError={spawnError}
+      spawnLivenessSource={spawnLivenessSource}
+      spawnLaunchState={spawnLaunchState}
+      spawnRuntimeAlive={spawnRuntimeAlive}
+      isLaunchSettling={isLaunchSettling}
+      onOpenTask={currentTask ? handleOpenTask : undefined}
+      onOpenReviewTask={reviewTask ? handleOpenReviewTask : undefined}
+      onClick={handleClick}
+      onSendMessage={handleSendMessage}
+      onAssignTask={handleAssignTask}
+      onRestartMember={onRestartMember}
+      onSkipMemberForLaunch={onSkipMemberForLaunch}
+    />
+  );
+});
+
 export const MemberList = memo(function MemberList({
   members,
   memberTaskCounts,
@@ -340,63 +452,89 @@ export const MemberList = memo(function MemberList({
     return result;
   }, [taskMap]);
 
-  const renderCard = (member: ResolvedTeamMember, isRemoved: boolean): React.JSX.Element => {
-    const currentTask =
-      member.currentTaskId && taskMap ? (taskMap.get(member.currentTaskId) ?? null) : null;
-    const reviewCandidate = reviewTaskByMember.get(member.name) ?? null;
-    const reviewTask =
-      reviewCandidate && reviewCandidate.id !== member.currentTaskId ? reviewCandidate : null;
-    const awaitingReply = isTeamAlive !== false && Boolean(pendingRepliesByMember?.[member.name]);
-    const spawnEntry = memberSpawnStatuses?.get(member.name);
-    const runtimeEntry = memberRuntimeEntries?.get(member.name);
-    return (
-      <MemberCard
-        key={member.name}
-        member={member}
-        memberColor={colorMap.get(member.name) ?? 'blue'}
-        taskCounts={memberTaskCounts?.get(member.name.toLowerCase())}
-        isTeamAlive={isTeamAlive}
-        isTeamProvisioning={isTeamProvisioning}
-        leadActivity={isLeadMember(member) ? leadActivity : undefined}
-        currentTask={isRemoved ? null : currentTask}
-        reviewTask={isRemoved ? null : reviewTask}
-        isAwaitingReply={isRemoved ? false : awaitingReply}
-        isRemoved={isRemoved}
-        runtimeSummary={buildRuntimeSummary(
-          member,
-          isRemoved ? undefined : spawnEntry,
-          isRemoved ? undefined : runtimeEntry
-        )}
-        runtimeEntry={isRemoved ? undefined : runtimeEntry}
-        runtimeRunId={isRemoved ? undefined : runtimeRunId}
-        spawnStatus={isRemoved ? undefined : spawnEntry?.status}
-        spawnEntry={isRemoved ? undefined : spawnEntry}
-        spawnError={isRemoved ? undefined : (spawnEntry?.error ?? spawnEntry?.hardFailureReason)}
-        spawnLivenessSource={isRemoved ? undefined : spawnEntry?.livenessSource}
-        spawnLaunchState={isRemoved ? undefined : spawnEntry?.launchState}
-        spawnRuntimeAlive={isRemoved ? undefined : spawnEntry?.runtimeAlive}
-        isLaunchSettling={isRemoved ? false : isLaunchSettling}
-        onOpenTask={!isRemoved && currentTask ? () => onOpenTask?.(currentTask.id) : undefined}
-        onOpenReviewTask={!isRemoved && reviewTask ? () => onOpenTask?.(reviewTask.id) : undefined}
-        onClick={() => onMemberClick?.(member)}
-        onSendMessage={() => onSendMessage?.(member)}
-        onAssignTask={() => onAssignTask?.(member)}
-        onRestartMember={isRemoved ? undefined : onRestartMember}
-        onSkipMemberForLaunch={isRemoved ? undefined : onSkipMemberForLaunch}
-      />
-    );
-  };
-
   return (
     <div ref={containerRef} className="flex flex-col gap-1">
-      <div className={gridClass}>{activeMembers.map((member) => renderCard(member, false))}</div>
+      <div className={gridClass}>
+        {activeMembers.map((member) => {
+          const currentTask =
+            member.currentTaskId && taskMap ? (taskMap.get(member.currentTaskId) ?? null) : null;
+          const reviewCandidate = reviewTaskByMember.get(member.name) ?? null;
+          const reviewTask =
+            reviewCandidate && reviewCandidate.id !== member.currentTaskId ? reviewCandidate : null;
+          const spawnEntry = memberSpawnStatuses?.get(member.name);
+          const runtimeEntry = memberRuntimeEntries?.get(member.name);
+          return (
+            <MemberCardRow
+              key={member.name}
+              member={member}
+              isRemoved={false}
+              memberColor={colorMap.get(member.name) ?? 'blue'}
+              currentTask={currentTask}
+              reviewTask={reviewTask}
+              awaitingReply={
+                isTeamAlive !== false && Boolean(pendingRepliesByMember?.[member.name])
+              }
+              taskCounts={memberTaskCounts?.get(member.name.toLowerCase())}
+              runtimeSummary={buildRuntimeSummary(member, spawnEntry, runtimeEntry)}
+              runtimeEntry={runtimeEntry}
+              runtimeRunId={runtimeRunId}
+              spawnStatus={spawnEntry?.status}
+              spawnEntry={spawnEntry}
+              spawnError={spawnEntry?.error ?? spawnEntry?.hardFailureReason}
+              spawnLivenessSource={spawnEntry?.livenessSource}
+              spawnLaunchState={spawnEntry?.launchState}
+              spawnRuntimeAlive={spawnEntry?.runtimeAlive}
+              isTeamAlive={isTeamAlive}
+              isTeamProvisioning={isTeamProvisioning}
+              leadActivity={leadActivity}
+              isLaunchSettling={isLaunchSettling}
+              onOpenTask={onOpenTask}
+              onMemberClick={onMemberClick}
+              onSendMessage={onSendMessage}
+              onAssignTask={onAssignTask}
+              onRestartMember={onRestartMember}
+              onSkipMemberForLaunch={onSkipMemberForLaunch}
+            />
+          );
+        })}
+      </div>
       {removedMembers.length > 0 && (
         <>
           <div className="mt-2 text-[10px] text-[var(--color-text-muted)]">
             Removed ({removedMembers.length})
           </div>
           <div className={gridClass}>
-            {removedMembers.map((member) => renderCard(member, true))}
+            {removedMembers.map((member) => (
+              <MemberCardRow
+                key={member.name}
+                member={member}
+                isRemoved={true}
+                memberColor={colorMap.get(member.name) ?? 'blue'}
+                currentTask={null}
+                reviewTask={null}
+                awaitingReply={false}
+                taskCounts={memberTaskCounts?.get(member.name.toLowerCase())}
+                runtimeSummary={buildRuntimeSummary(member, undefined, undefined)}
+                runtimeEntry={undefined}
+                runtimeRunId={undefined}
+                spawnStatus={undefined}
+                spawnEntry={undefined}
+                spawnError={undefined}
+                spawnLivenessSource={undefined}
+                spawnLaunchState={undefined}
+                spawnRuntimeAlive={undefined}
+                isTeamAlive={isTeamAlive}
+                isTeamProvisioning={isTeamProvisioning}
+                leadActivity={leadActivity}
+                isLaunchSettling={false}
+                onOpenTask={onOpenTask}
+                onMemberClick={onMemberClick}
+                onSendMessage={onSendMessage}
+                onAssignTask={onAssignTask}
+                onRestartMember={undefined}
+                onSkipMemberForLaunch={undefined}
+              />
+            ))}
           </div>
         </>
       )}

src/renderer/components/team/members/MemberPresenceDot.tsx

@@ -1,3 +1,5 @@
+import { memo } from 'react';
+
 import { useSyncedAnimationStyle } from '@renderer/hooks/useSyncedAnimationStyle';
 import { cn } from '@renderer/lib/utils';
 
@@ -8,21 +10,20 @@ interface MemberPresenceDotProps {
   label: string;
 }
 
-export const MemberPresenceDot = ({
-  className,
-  label,
-}: MemberPresenceDotProps): React.JSX.Element => {
-  const shouldSyncPulse = className?.includes('animate-pulse') === true;
-  const syncedPulseStyle = useSyncedAnimationStyle(shouldSyncPulse, PULSE_DURATION_MS);
+export const MemberPresenceDot = memo(
+  ({ className, label }: MemberPresenceDotProps): React.JSX.Element => {
+    const shouldSyncPulse = className?.includes('animate-pulse') === true;
+    const syncedPulseStyle = useSyncedAnimationStyle(shouldSyncPulse, PULSE_DURATION_MS);
 
-  return (
-    <span
-      className={cn(
-        'absolute -bottom-0.5 -right-0.5 rounded-full border-2 border-[var(--color-surface)]',
-        className
-      )}
-      style={syncedPulseStyle}
-      aria-label={label}
-    />
-  );
-};
+    return (
+      <span
+        className={cn(
+          'absolute -bottom-0.5 -right-0.5 rounded-full border-2 border-[var(--color-surface)]',
+          className
+        )}
+        style={syncedPulseStyle}
+        aria-label={label}
+      />
+    );
+  }
+);

src/renderer/components/team/schedule/ScheduleSection.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useState } from 'react';
+import React, { lazy, Suspense, useCallback, useEffect, useState } from 'react';
 
 import { Button } from '@renderer/components/ui/button';
 import { Popover, PopoverContent, PopoverTrigger } from '@renderer/components/ui/popover';
@@ -18,13 +18,15 @@ import {
 } from 'lucide-react';
 import { useShallow } from 'zustand/react/shallow';
 
-import { LaunchTeamDialog } from '../dialogs/LaunchTeamDialog';
-
 import { ScheduleEmptyState } from './ScheduleEmptyState';
 import { ScheduleRunLogDialog } from './ScheduleRunLogDialog';
 import { ScheduleRunRow } from './ScheduleRunRow';
 import { ScheduleStatusBadge } from './ScheduleStatusBadge';
 
+const LaunchTeamDialog = lazy(() =>
+  import('../dialogs/LaunchTeamDialog').then((m) => ({ default: m.LaunchTeamDialog }))
+);
+
 import type { Schedule, ScheduleRun } from '@shared/types';
 
 // =============================================================================
@@ -305,13 +307,17 @@ export const ScheduleSection = ({ teamName }: ScheduleSectionProps): React.JSX.E
       )}
 
       {/* Create/Edit Dialog */}
-      <LaunchTeamDialog
-        mode="schedule"
-        open={dialogOpen}
-        teamName={teamName}
-        schedule={editingSchedule}
-        onClose={handleClose}
-      />
+      {dialogOpen && (
+        <Suspense fallback={null}>
+          <LaunchTeamDialog
+            mode="schedule"
+            open={dialogOpen}
+            teamName={teamName}
+            schedule={editingSchedule}
+            onClose={handleClose}
+          />
+        </Suspense>
+      )}
     </div>
   );
 };

src/renderer/components/team/tasks/TaskRow.tsx

@@ -1,3 +1,5 @@
+import { memo } from 'react';
+
 import {
   KANBAN_COLUMN_DISPLAY,
   REVIEW_STATE_DISPLAY,
@@ -12,7 +14,7 @@ interface TaskRowProps {
   task: TeamTaskWithKanban;
 }
 
-export const TaskRow = ({ task }: TaskRowProps): React.JSX.Element => {
+export const TaskRow = memo(function TaskRow({ task }: TaskRowProps): React.JSX.Element {
   const blockedByIds = task.blockedBy?.filter((id) => id.length > 0) ?? [];
   const blocksIds = task.blocks?.filter((id) => id.length > 0) ?? [];
   const kanbanColumn = getTaskKanbanColumn(task);
@@ -62,4 +64,4 @@ export const TaskRow = ({ task }: TaskRowProps): React.JSX.Element => {
       </td>
     </tr>
   );
-};
+});

test/main/services/team/TeamMcpConfigBuilder.test.ts

@@ -46,7 +46,10 @@ vi.mock('@main/utils/pathDecoder', async (importOriginal) => {
 });
 
 import { setAppDataBasePath, setClaudeBasePathOverride } from '@main/utils/pathDecoder';
-import { TeamMcpConfigBuilder } from '@main/services/team/TeamMcpConfigBuilder';
+import {
+  TeamMcpConfigBuilder,
+  clearResolvedNodePathForTests,
+} from '@main/services/team/TeamMcpConfigBuilder';
 
 describe('TeamMcpConfigBuilder', () => {
   const createdPaths: string[] = [];
@@ -93,7 +96,7 @@ describe('TeamMcpConfigBuilder', () => {
     entry: string
   ): void {
     expect(server?.args).toEqual([entry]);
-    expect(server?.command).toMatch(/(^node$|[\\/]node(?:\.exe)?$)/);
+    expect(server?.command).toMatch(/(^node(?:-\d+)?$|[\\/]node(?:-\d+)?(?:\.exe)?$)/);
   }
 
   function expectNodeTsxSourceEntry(
@@ -102,7 +105,7 @@ describe('TeamMcpConfigBuilder', () => {
     sourceEntry: string
   ): void {
     expect(server?.args).toEqual([tsxCli, sourceEntry]);
-    expect(server?.command).toMatch(/(^node$|[\\/]node(?:\.exe)?$)/);
+    expect(server?.command).toMatch(/(^node(?:-\d+)?$|[\\/]node(?:-\d+)?(?:\.exe)?$)/);
   }
 
   function getBuiltWorkspaceEntry(): string {
@@ -165,6 +168,7 @@ describe('TeamMcpConfigBuilder', () => {
   }
 
   beforeEach(() => {
+    clearResolvedNodePathForTests();
     originalResourcesPath = (process as NodeJS.Process & { resourcesPath?: string }).resourcesPath;
     tempAppData = fs.mkdtempSync(path.join(os.tmpdir(), 'team-mcp-appdata-'));
     createdDirs.push(tempAppData);

test/main/services/team/TeamProvisioningServiceRelay.test.ts

@@ -16,9 +16,10 @@ const hoisted = vi.hoisted(() => {
       error.code = 'ENOENT';
       throw error;
     }
+    const size = Buffer.byteLength(data, 'utf8');
     return {
       isFile: () => true,
-      size: Buffer.byteLength(data, 'utf8'),
+      size,
       mode: 0o100644,
       dev: 1,
       ino: 1,
@@ -63,22 +64,20 @@ const hoisted = vi.hoisted(() => {
       files.set(sentMessagesPath, JSON.stringify(rows));
       return message;
     }),
-    sendInboxMessage: vi.fn(
-      (teamName: string, message: Record<string, unknown>) => {
-        const member =
-          typeof message.member === 'string'
-            ? message.member
-            : typeof message.to === 'string'
-              ? message.to
-              : 'unknown';
-        const p = `/mock/teams/${teamName}/inboxes/${member}.json`;
-        const current = files.get(p);
-        const rows = current ? (JSON.parse(current) as unknown[]) : [];
-        rows.push(message);
-        files.set(p, JSON.stringify(rows));
-        return { deliveredToInbox: true, messageId: 'mock-id', message };
-      }
-    ),
+    sendInboxMessage: vi.fn((teamName: string, message: Record<string, unknown>) => {
+      const member =
+        typeof message.member === 'string'
+          ? message.member
+          : typeof message.to === 'string'
+            ? message.to
+            : 'unknown';
+      const p = `/mock/teams/${teamName}/inboxes/${member}.json`;
+      const current = files.get(p);
+      const rows = current ? (JSON.parse(current) as unknown[]) : [];
+      rows.push(message);
+      files.set(p, JSON.stringify(rows));
+      return { deliveredToInbox: true, messageId: 'mock-id', message };
+    }),
     setAtomicWriteShouldFail: (next: boolean) => {
       atomicWriteShouldFail = next;
     },
@@ -419,7 +418,9 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
     const payload = String(writeSpy.mock.calls[0]?.[0] ?? '');
     expect(payload).toContain('Source: system_notification');
     expect(payload).toContain('summary looks like \\"Comment on #...\\"');
-    expect(payload).toContain('reply via task_add_comment only when you have a substantive board update');
+    expect(payload).toContain(
+      'reply via task_add_comment only when you have a substantive board update'
+    );
     expect(payload).toContain('Do NOT post acknowledgement-only task comments');
 
     (service as any).handleStreamJsonMessage(run, {
@@ -540,9 +541,13 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
       runId: 'run-old',
     });
     const inboxDeferred = createDeferred<typeof inboxMessages>();
-    const inboxReader = (service as unknown as {
-      inboxReader: { getMessagesFor: (team: string, member: string) => Promise<typeof inboxMessages> };
-    }).inboxReader;
+    const inboxReader = (
+      service as unknown as {
+        inboxReader: {
+          getMessagesFor: (team: string, member: string) => Promise<typeof inboxMessages>;
+        };
+      }
+    ).inboxReader;
     const inboxSpy = vi
       .spyOn(inboxReader, 'getMessagesFor')
       .mockImplementationOnce(async () => await inboxDeferred.promise)
@@ -586,14 +591,13 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
 
     const { runId: oldRunId } = attachAliveRun(service, teamName, { runId: 'run-old' });
     const inboxDeferred = createDeferred<[typeof permissionMessage]>();
-    const inboxReader = (service as unknown as {
-      inboxReader: {
-        getMessagesFor: (
-          team: string,
-          member: string
-        ) => Promise<[typeof permissionMessage]>;
-      };
-    }).inboxReader;
+    const inboxReader = (
+      service as unknown as {
+        inboxReader: {
+          getMessagesFor: (team: string, member: string) => Promise<[typeof permissionMessage]>;
+        };
+      }
+    ).inboxReader;
     const inboxSpy = vi
       .spyOn(inboxReader, 'getMessagesFor')
       .mockImplementationOnce(async () => await inboxDeferred.promise)
@@ -702,7 +706,9 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
     const payload = String(writeSpy.mock.calls[0]?.[0] ?? '');
     expect(payload).toContain('Source: cross_team');
     expect(payload).toContain('Cross-team conversationId: conv-explicit');
-    expect(payload).toContain('Call the MCP tool named cross_team_send with toTeam=\\"other-team\\"');
+    expect(payload).toContain(
+      'Call the MCP tool named cross_team_send with toTeam=\\"other-team\\"'
+    );
     expect(payload).toContain('replyToConversationId=\\"conv-explicit\\"');
     expect(payload).toContain('NEVER set recipient/to to \\"cross_team_send\\"');
 
@@ -953,7 +959,11 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
     attachAliveRun(service, teamName);
 
     const run = (service as unknown as { runs: Map<string, unknown> }).runs.get('run-1') as {
-      silentUserDmForward: { target: string; startedAt: string; mode: 'user_dm' | 'member_inbox_relay' } | null;
+      silentUserDmForward: {
+        target: string;
+        startedAt: string;
+        mode: 'user_dm' | 'member_inbox_relay';
+      } | null;
     };
     run.silentUserDmForward = {
       target: 'alice',
@@ -1120,9 +1130,13 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
       runId: 'run-old',
     });
     const inboxDeferred = createDeferred<typeof inboxMessages>();
-    const inboxReader = (service as unknown as {
-      inboxReader: { getMessagesFor: (team: string, member: string) => Promise<typeof inboxMessages> };
-    }).inboxReader;
+    const inboxReader = (
+      service as unknown as {
+        inboxReader: {
+          getMessagesFor: (team: string, member: string) => Promise<typeof inboxMessages>;
+        };
+      }
+    ).inboxReader;
     const inboxSpy = vi
       .spyOn(inboxReader, 'getMessagesFor')
       .mockImplementationOnce(async () => await inboxDeferred.promise)
@@ -1332,11 +1346,7 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
 
     await (service as any).markInboxMessagesRead(teamName, 'alice', [
       {
-        messageId: buildLegacyInboxMessageId(
-          legacyRow.from,
-          legacyRow.timestamp,
-          legacyRow.text
-        ),
+        messageId: buildLegacyInboxMessageId(legacyRow.from, legacyRow.timestamp, legacyRow.text),
       },
     ]);
 
@@ -1732,9 +1742,7 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
         taskRefs: [{ teamName, taskId: 'task-1', displayId: 'abcd1234' }],
       })
     );
-    const rows = JSON.parse(
-      hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]'
-    );
+    const rows = JSON.parse(hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]');
     expect(rows[0].read).toBe(true);
   });
 
@@ -1780,9 +1788,7 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
       failed: 0,
       lastDelivery: { delivered: true, responsePending: true },
     });
-    const rows = JSON.parse(
-      hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]'
-    );
+    const rows = JSON.parse(hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]');
     expect(rows[0].read).toBe(false);
   });
 
@@ -1914,9 +1920,7 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
       teamName,
       expect.objectContaining({ messageId: 'opencode-terminal-new' })
     );
-    const rows = JSON.parse(
-      hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]'
-    );
+    const rows = JSON.parse(hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]');
     expect(rows.map((row: { read?: boolean }) => row.read)).toEqual([false, true]);
   });
 
@@ -2000,9 +2004,7 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
       'opencode_attachments_not_supported_for_secondary_runtime'
     );
     vi.mocked(console.warn).mockClear();
-    const rows = JSON.parse(
-      hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]'
-    );
+    const rows = JSON.parse(hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]');
     expect(rows[0].read).toBe(false);
     expect(records[0]).toMatchObject({
       inboxMessageId: 'opencode-attachment-1',
@@ -2027,7 +2029,10 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
           ],
         })
       );
-      const identity = await (service as any).resolveOpenCodeMemberDeliveryIdentity(teamName, 'jack');
+      const identity = await (service as any).resolveOpenCodeMemberDeliveryIdentity(
+        teamName,
+        'jack'
+      );
       expect(identity.ok).toBe(true);
       const laneId = identity.laneId;
       const records: any[] = [];
@@ -2048,7 +2053,12 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
           return record;
         }),
         markAcceptanceUnknown: vi.fn(
-          async (input: { id: string; reason: string; nextAttemptAt: string; markedAt: string }) => {
+          async (input: {
+            id: string;
+            reason: string;
+            nextAttemptAt: string;
+            markedAt: string;
+          }) => {
             const record = records.find((candidate) => candidate.id === input.id);
             Object.assign(record, {
               status: 'failed_retryable',
@@ -2180,9 +2190,7 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
       teamName,
       expect.objectContaining({ messageId: 'opencode-inflight-new' })
     );
-    const rows = JSON.parse(
-      hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]'
-    );
+    const rows = JSON.parse(hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]');
     expect(rows.map((row: { read?: boolean }) => row.read)).toEqual([true, true]);
   });
 
@@ -2353,9 +2361,7 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
       'OpenCode inbox relay failed for jack/opencode-relay-failed-1'
     );
     vi.mocked(console.warn).mockClear();
-    const rows = JSON.parse(
-      hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]'
-    );
+    const rows = JSON.parse(hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]');
     expect(rows[0].read).toBe(false);
   });
 
@@ -2387,9 +2393,7 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
       delivered: true,
       diagnostics: [],
     });
-    vi.spyOn(service as any, 'markInboxMessagesRead').mockRejectedValue(
-      new Error('write failed')
-    );
+    vi.spyOn(service as any, 'markInboxMessagesRead').mockRejectedValue(new Error('write failed'));
 
     const relay = await service.relayOpenCodeMemberInboxMessages(teamName, 'jack');
 
@@ -2410,9 +2414,7 @@ describe('TeamProvisioningService relayLeadInboxMessages', () => {
       'opencode_inbox_mark_read_failed_after_delivery'
     );
     vi.mocked(console.warn).mockClear();
-    const rows = JSON.parse(
-      hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]'
-    );
+    const rows = JSON.parse(hoisted.files.get(`/mock/teams/${teamName}/inboxes/jack.json`) ?? '[]');
     expect(rows[0].read).toBe(false);
   });
 });