diff --git a/src/main/services/team/MemberStatsComputer.ts b/src/main/services/team/MemberStatsComputer.ts
index 738cd80e..96ce9994 100644
--- a/src/main/services/team/MemberStatsComputer.ts
+++ b/src/main/services/team/MemberStatsComputer.ts
@@ -9,11 +9,17 @@ import type { FileLineStats, MemberFullStats } from '@shared/types';
 
 const logger = createLogger('Service:MemberStatsComputer');
 
-const TRAILING_PUNCT = /[;.,]+$/;
+const TRAILING_PUNCT_CHARS = new Set([';', '.', ',']);
 const INVALID_NAMES = new Set(['null', 'undefined', 'None', 'false', 'true', '']);
 
+function stripTrailingPunct(s: string): string {
+  let end = s.length;
+  while (end > 0 && TRAILING_PUNCT_CHARS.has(s[end - 1])) end--;
+  return end === s.length ? s : s.slice(0, end);
+}
+
 export function isValidFilePath(value: string): boolean {
-  const cleaned = value.trim().replace(TRAILING_PUNCT, '');
+  const cleaned = stripTrailingPunct(value.trim());
   return cleaned.length > 1 && !INVALID_NAMES.has(cleaned) && cleaned.includes('/');
 }
 
@@ -133,7 +139,7 @@ export class MemberStatsComputer {
     // Track last known content per file for accurate Write/NotebookEdit diffs
     const fileLastContent = new Map<string, string>();
 
-    const cleanPath = (fp: string): string => fp.trim().replace(TRAILING_PUNCT, '');
+    const cleanPath = (fp: string): string => stripTrailingPunct(fp.trim());
 
     const trackFile = (fp: string): void => {
       if (typeof fp === 'string') {
diff --git a/src/main/services/team/TeamDataService.ts b/src/main/services/team/TeamDataService.ts
index 7fa3fda3..5b4d3ede 100644
--- a/src/main/services/team/TeamDataService.ts
+++ b/src/main/services/team/TeamDataService.ts
@@ -59,8 +59,8 @@ import type {
   TeamTask,
   TeamTaskStatus,
   TeamTaskWithKanban,
-  UpdateKanbanPatch,
   ToolCallMeta,
+  UpdateKanbanPatch,
 } from '@shared/types';
 
 const logger = createLogger('Service:TeamDataService');
@@ -344,12 +344,12 @@ export class TeamDataService {
           // Find closest anchor by timestamp (binary-search-like scan from current position)
           let bestAnchor = anchors[0];
           let bestDist = Math.abs(msgTime - bestAnchor.time);
-          for (let a = 0; a < anchors.length; a++) {
-            const dist = Math.abs(msgTime - anchors[a].time);
+          for (const anchor of anchors) {
+            const dist = Math.abs(msgTime - anchor.time);
             if (dist < bestDist) {
               bestDist = dist;
-              bestAnchor = anchors[a];
-            } else if (dist > bestDist && anchors[a].time > msgTime) {
+              bestAnchor = anchor;
+            } else if (dist > bestDist && anchor.time > msgTime) {
               // Anchors are sorted by index (asc time) — once distance grows past the
               // message time, further anchors will only be farther.
               break;
@@ -1161,17 +1161,18 @@ export class TeamDataService {
 
   async sendMessage(teamName: string, request: SendMessageRequest): Promise<SendMessageResult> {
     // Enrich with leadSessionId so session boundary separators work
-    if (!request.leadSessionId) {
+    let enrichedRequest = request;
+    if (!enrichedRequest.leadSessionId) {
       try {
         const config = await this.configReader.getConfig(teamName);
         if (config?.leadSessionId) {
-          request = { ...request, leadSessionId: config.leadSessionId };
+          enrichedRequest = { ...enrichedRequest, leadSessionId: config.leadSessionId };
         }
       } catch {
         // non-critical
       }
     }
-    return this.inboxWriter.sendMessage(teamName, request);
+    return this.inboxWriter.sendMessage(teamName, enrichedRequest);
   }
 
   private resolveLeadNameFromConfig(config: TeamConfig | null): string {
@@ -1528,8 +1529,8 @@ export class TeamDataService {
               if (b.type === 'tool_use' && typeof b.name === 'string' && b.name !== 'SendMessage') {
                 const input = (b.input ?? {}) as Record<string, unknown>;
                 toolCallsList.push({
-                  name: b.name as string,
-                  preview: extractToolPreview(b.name as string, input),
+                  name: b.name,
+                  preview: extractToolPreview(b.name, input),
                 });
               }
             }
diff --git a/src/main/services/team/TeamProvisioningService.ts b/src/main/services/team/TeamProvisioningService.ts
index 81038ae3..e80a3342 100644
--- a/src/main/services/team/TeamProvisioningService.ts
+++ b/src/main/services/team/TeamProvisioningService.ts
@@ -21,8 +21,8 @@ import { getMemberColor } from '@shared/constants/memberColors';
 import { resolveLanguageName } from '@shared/utils/agentLanguage';
 import { isInboxNoiseMessage } from '@shared/utils/inboxNoise';
 import { createLogger } from '@shared/utils/logger';
-import { extractToolPreview, formatToolSummaryFromCalls } from '@shared/utils/toolSummary';
 import { createCliAutoSuffixNameGuard } from '@shared/utils/teamMemberName';
+import { extractToolPreview, formatToolSummaryFromCalls } from '@shared/utils/toolSummary';
 import { spawn } from 'child_process';
 import { randomUUID } from 'crypto';
 import * as fs from 'fs';
@@ -2971,8 +2971,8 @@ export class TeamProvisioningService {
           ) {
             const input = (block.input ?? {}) as Record<string, unknown>;
             run.pendingToolCalls.push({
-              name: block.name as string,
-              preview: extractToolPreview(block.name as string, input),
+              name: block.name,
+              preview: extractToolPreview(block.name, input),
             });
           }
         }
diff --git a/src/renderer/components/chat/ChatHistory.tsx b/src/renderer/components/chat/ChatHistory.tsx
index 0b5ad6ab..20a6f69a 100644
--- a/src/renderer/components/chat/ChatHistory.tsx
+++ b/src/renderer/components/chat/ChatHistory.tsx
@@ -16,11 +16,12 @@ const SCROLL_THRESHOLD = 300;
 /** Must match the `w-80` (320px) context panel width used in the layout below. */
 const CONTEXT_PANEL_WIDTH_PX = 320;
 
+import { formatPercentOfTotal, sumContextInjectionTokens } from '@renderer/utils/contextMath';
+
 import { ChatHistoryEmptyState } from './ChatHistoryEmptyState';
 import { ChatHistoryItem } from './ChatHistoryItem';
 import { ChatHistoryLoadingState } from './ChatHistoryLoadingState';
 
-import { formatPercentOfTotal, sumContextInjectionTokens } from '@renderer/utils/contextMath';
 import type { ContextInjection } from '@renderer/types/contextInjection';
 
 /**
diff --git a/src/renderer/components/layout/SortableTab.tsx b/src/renderer/components/layout/SortableTab.tsx
index b6cb0345..499849f4 100644
--- a/src/renderer/components/layout/SortableTab.tsx
+++ b/src/renderer/components/layout/SortableTab.tsx
@@ -8,8 +8,8 @@ import { useCallback, useState } from 'react';
 import { useSortable } from '@dnd-kit/sortable';
 import { CSS } from '@dnd-kit/utilities';
 import { getTeamColorSet } from '@renderer/constants/teamColors';
-import { nameColorSet } from '@renderer/utils/projectColor';
 import { useStore } from '@renderer/store';
+import { nameColorSet } from '@renderer/utils/projectColor';
 import {
   Activity,
   Bell,
diff --git a/src/renderer/components/team/activity/LeadThoughtsGroup.tsx b/src/renderer/components/team/activity/LeadThoughtsGroup.tsx
index cc42e2e9..67f41d31 100644
--- a/src/renderer/components/team/activity/LeadThoughtsGroup.tsx
+++ b/src/renderer/components/team/activity/LeadThoughtsGroup.tsx
@@ -2,6 +2,7 @@ import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 
 import { MarkdownViewer } from '@renderer/components/chat/viewers/MarkdownViewer';
 import { MemberBadge } from '@renderer/components/team/MemberBadge';
+import { Tooltip, TooltipContent, TooltipTrigger } from '@renderer/components/ui/tooltip';
 import {
   CARD_BG,
   CARD_BG_ZEBRA,
@@ -10,7 +11,6 @@ import {
   CARD_TEXT_LIGHT,
 } from '@renderer/constants/cssVariables';
 import { getTeamColorSet } from '@renderer/constants/teamColors';
-import { Tooltip, TooltipContent, TooltipTrigger } from '@renderer/components/ui/tooltip';
 import { useStore } from '@renderer/store';
 import { formatToolSummary, parseToolSummary } from '@shared/utils/toolSummary';
 
@@ -102,13 +102,13 @@ function isRecentTimestamp(timestamp: string): boolean {
   return Date.now() - t <= LIVE_WINDOW_MS;
 }
 
-function ToolSummaryTooltipContent({
+const ToolSummaryTooltipContent = ({
   toolCalls,
   toolSummary,
-}: {
+}: Readonly<{
   toolCalls?: ToolCallMeta[];
   toolSummary?: string;
-}): JSX.Element {
+}>): JSX.Element => {
   if (toolCalls && toolCalls.length > 0) {
     return (
       <div className="flex max-h-[300px] flex-col gap-0.5 overflow-y-auto">
@@ -118,14 +118,14 @@ function ToolSummaryTooltipContent({
         {toolCalls.map((tc, i) => {
           const isAgent = tc.name === 'Agent' || tc.name === 'TaskCreate';
           return (
-            <div key={i} className={`flex items-baseline gap-2 ${isAgent ? 'mt-0.5' : ''}`}>
+            <div key={i} className={isAgent ? 'mt-0.5' : 'flex items-baseline gap-2'}>
               <span className={`shrink-0 font-semibold ${isAgent ? 'text-violet-400' : ''}`}>
                 {isAgent ? '🤖 ' : ''}
                 {tc.name}
               </span>
               {tc.preview && (
                 <span
-                  className={`text-text-secondary ${isAgent ? 'whitespace-pre-wrap' : 'truncate'}`}
+                  className={`text-text-secondary ${isAgent ? 'mt-0.5 block text-[10px]' : 'truncate'}`}
                 >
                   {tc.preview}
                 </span>
@@ -158,7 +158,7 @@ function ToolSummaryTooltipContent({
   }
 
   return <span>{toolSummary ?? ''}</span>;
-}
+};
 
 export const LeadThoughtsGroupRow = ({
   group,
@@ -268,7 +268,7 @@ export const LeadThoughtsGroupRow = ({
     });
     observer.observe(el);
     return () => observer.disconnect();
-  }, []); // eslint-disable-line react-hooks/exhaustive-deps -- scrollRef is stable
+  }, []);
 
   const handleScroll = useCallback(() => {
     const el = scrollRef.current;
@@ -318,7 +318,7 @@ export const LeadThoughtsGroupRow = ({
                   {totalToolSummary}
                 </span>
               </TooltipTrigger>
-              <TooltipContent side="bottom" className="font-mono text-[11px]">
+              <TooltipContent side="bottom" className="max-w-[420px] font-mono text-[11px]">
                 <ToolSummaryTooltipContent
                   toolCalls={allToolCalls}
                   toolSummary={totalToolSummary}
@@ -344,7 +344,7 @@ export const LeadThoughtsGroupRow = ({
           {chronologicalThoughts.map((thought, idx) => (
             <div key={thought.messageId ?? idx} className="thought-expand-in">
               {idx > 0 && (
-                <div className="mx-auto flex w-[40%] items-center justify-center gap-[5px] py-px">
+                <div className="mx-auto flex w-2/5 items-center justify-center gap-[5px] py-px">
                   <hr
                     className="flex-1 border-0"
                     style={{
@@ -386,7 +386,11 @@ export const LeadThoughtsGroupRow = ({
                       🔧 {thought.toolSummary}
                     </div>
                   </TooltipTrigger>
-                  <TooltipContent side="top" align="start" className="font-mono text-[11px]">
+                  <TooltipContent
+                    side="top"
+                    align="start"
+                    className="max-w-[420px] font-mono text-[11px]"
+                  >
                     <ToolSummaryTooltipContent
                       toolCalls={thought.toolCalls}
                       toolSummary={thought.toolSummary}
diff --git a/src/renderer/components/team/members/MemberDraftRow.tsx b/src/renderer/components/team/members/MemberDraftRow.tsx
index f18f485a..e8e86c5b 100644
--- a/src/renderer/components/team/members/MemberDraftRow.tsx
+++ b/src/renderer/components/team/members/MemberDraftRow.tsx
@@ -1,7 +1,7 @@
 import React, { useCallback, useEffect, useMemo, useState } from 'react';
 
-import { RoleSelect } from '@renderer/components/team/RoleSelect';
 import { TeamModelSelector } from '@renderer/components/team/dialogs/TeamModelSelector';
+import { RoleSelect } from '@renderer/components/team/RoleSelect';
 import { Button } from '@renderer/components/ui/button';
 import { Input } from '@renderer/components/ui/input';
 import { MentionableTextarea } from '@renderer/components/ui/MentionableTextarea';
diff --git a/src/renderer/components/ui/MentionableTextarea.tsx b/src/renderer/components/ui/MentionableTextarea.tsx
index c20fc142..e0da951b 100644
--- a/src/renderer/components/ui/MentionableTextarea.tsx
+++ b/src/renderer/components/ui/MentionableTextarea.tsx
@@ -607,16 +607,18 @@ export const MentionableTextarea = React.forwardRef<HTMLTextAreaElement, Mention
     const [tipIndex, setTipIndex] = React.useState(0);
     const [tipVisible, setTipVisible] = React.useState(true);
 
+    const advanceTip = React.useCallback(() => {
+      setTipIndex((prev) => (prev + 1) % rotatingTips.length);
+      setTipVisible(true);
+    }, [rotatingTips.length]);
+
     React.useEffect(() => {
       const interval = setInterval(() => {
         setTipVisible(false);
-        setTimeout(() => {
-          setTipIndex((prev) => (prev + 1) % rotatingTips.length);
-          setTipVisible(true);
-        }, 300);
+        setTimeout(advanceTip, 300);
       }, 10000);
       return () => clearInterval(interval);
-    }, [rotatingTips.length]);
+    }, [advanceTip]);
 
     const resolvedHintText = hintText ?? rotatingTips[tipIndex];
     const showHintRow = showHint && (suggestions.length > 0 || enableFiles);
diff --git a/src/renderer/store/slices/teamSlice.ts b/src/renderer/store/slices/teamSlice.ts
index c00da33a..204f0fe2 100644
--- a/src/renderer/store/slices/teamSlice.ts
+++ b/src/renderer/store/slices/teamSlice.ts
@@ -607,7 +607,7 @@ export const createTeamSlice: StateCreator<AppState, [], [], TeamSlice> = (set,
       const prevByName = get().teamByName;
       const existingEntry = prevByName[teamName];
       const configColor = data.config.color;
-      if (configColor && (!existingEntry || existingEntry.color !== configColor)) {
+      if (configColor && (!existingEntry || existingEntry?.color !== configColor)) {
         const patched: TeamSummary = existingEntry
           ? { ...existingEntry, color: configColor, displayName: data.config.name || teamName }
           : {
diff --git a/src/shared/utils/toolSummary.ts b/src/shared/utils/toolSummary.ts
index 8f8c3ce2..72ee83be 100644
--- a/src/shared/utils/toolSummary.ts
+++ b/src/shared/utils/toolSummary.ts
@@ -27,11 +27,11 @@ export function buildToolSummary(content: Record<string, unknown>[]): string | u
 
 export function parseToolSummary(summary: string | undefined): ToolSummaryData | null {
   if (!summary) return null;
-  const match = summary.match(/^(\d+)\s+tools?\s+\(([^)]+)\)$/);
+  const match = /^(\d+)\s+tools?\s+\(([^)]+)\)$/.exec(summary);
   if (!match) return null;
   const byName: Record<string, number> = {};
   for (const part of match[2].split(', ')) {
-    const m = part.match(/^(\d+)\s+(.+)$/);
+    const m = /^(\d+)\s+(\S+(?:\s+\S+)*)$/.exec(part);
     if (m) {
       byName[m[2]] = parseInt(m[1], 10);
     } else {
@@ -96,9 +96,9 @@ export function extractToolPreview(
     case 'Agent':
     case 'TaskCreate':
       return typeof input.prompt === 'string'
-        ? truncateStr(input.prompt, 200)
+        ? input.prompt
         : typeof input.description === 'string'
-          ? truncateStr(input.description, 200)
+          ? input.description
           : undefined;
     case 'WebFetch':
       if (typeof input.url === 'string') {