diff --git a/src/pages/Chat/ExecutionGraphCard.tsx b/src/pages/Chat/ExecutionGraphCard.tsx
index 911a1a7..2941587 100644
--- a/src/pages/Chat/ExecutionGraphCard.tsx
+++ b/src/pages/Chat/ExecutionGraphCard.tsx
@@ -1,5 +1,5 @@
 import { useState } from 'react';
-import { CheckCircle2, ChevronDown, ChevronRight, CircleDashed, GitBranch, MessageSquare, Wrench, XCircle } from 'lucide-react';
+import { CheckCircle2, ChevronDown, ChevronRight, CircleDashed, GitBranch, Link, MessageSquare, Wrench, XCircle } from 'lucide-react';
 import { useTranslation } from 'react-i18next';
 import { cn } from '@/lib/utils';
 import type { TaskStep } from './task-visualization';
@@ -47,18 +47,17 @@ function StepDetailCard({ step }: { step: TaskStep }) {
   const isNarration = step.kind === 'message';
   const isTool = step.kind === 'tool';
   const isThinking = step.kind === 'thinking';
-  const showRunningDots = isTool && step.status === 'running';
+  const showRunningDots = (isTool || isThinking) && step.status === 'running';
   const hideStatusText = isTool && step.status === 'completed';
   const detailPreview = step.detail?.replace(/\s+/g, ' ').trim();
   const canExpand = hasDetail;
-  const usePlainExpandedDetail = isTool || isThinking;
-  const displayLabel = isThinking ? t('executionGraph.thinkingLabel') : step.label;
+    const displayLabel = isThinking ? t('executionGraph.thinkingLabel') : step.label;
 
   return (
     <div
       className={cn(
         'min-w-0 flex-1 text-muted-foreground',
-        isTool || isNarration
+        isTool || isNarration || isThinking
           ? 'px-0 py-0'
           : 'rounded-xl border border-black/10 bg-white/40 px-3 py-2 dark:border-white/10 dark:bg-white/[0.03]',
       )}
@@ -76,9 +75,21 @@ function StepDetailCard({ step }: { step: TaskStep }) {
         }}
       >
         <div className="min-w-0 flex-1">
-          {!isNarration && (
+          {(!isNarration && !isThinking || expanded) && (
             <div className="flex min-w-0 items-center gap-2">
               <p className="shrink-0 text-sm font-medium text-muted-foreground">{displayLabel}</p>
+              {isTool && step.label === 'web_fetch' && step.url && (
+                <a
+                  href={step.url}
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  onClick={(e) => e.stopPropagation()}
+                  className="shrink-0 text-muted-foreground hover:text-foreground"
+                  title={step.url}
+                >
+                  <Link className="h-3.5 w-3.5" />
+                </a>
+              )}
               {isTool && detailPreview && !expanded && (
                 <p className="min-w-0 truncate text-[12px] leading-4 text-muted-foreground/80">
                   {detailPreview}
@@ -104,10 +115,8 @@ function StepDetailCard({ step }: { step: TaskStep }) {
               className={cn(
                 'text-muted-foreground',
                 isThinking
-                  ? 'mt-0.5 text-[12px] leading-5 line-clamp-1'
-                  : isNarration
-                  ? 'text-[13px] leading-6 text-muted-foreground line-clamp-2'
-                  : 'mt-0.5 text-[12px] leading-5 line-clamp-2',
+                  ? 'mt-0.5 text-[13px] leading-5 line-clamp-2'
+                  : 'text-[13px] leading-6 text-muted-foreground line-clamp-2',
               )}
             >
               {step.detail}
@@ -120,29 +129,30 @@ function StepDetailCard({ step }: { step: TaskStep }) {
           </span>
         )}
       </button>
-      {step.detail && expanded && canExpand && (
-        usePlainExpandedDetail ? (
-          <pre
-            className={cn(
-              'mt-0.5 whitespace-pre-wrap text-[12px] leading-5 text-muted-foreground',
-              isTool ? 'break-all' : 'break-words',
-            )}
-          >
-            {step.detail}
-          </pre>
-        ) : (
-        <div className="mt-3 rounded-lg border border-black/10 bg-black/[0.03] px-3 py-2 dark:border-white/10 dark:bg-white/[0.03]">
-          <pre
-            className={cn(
-              'whitespace-pre-wrap text-[12px] leading-5',
-              isNarration ? 'text-muted-foreground' : 'break-all text-muted-foreground',
-            )}
-          >
-            {step.detail}
-          </pre>
-        </div>
-        )
-      )}
+      {step.detail && expanded && canExpand && isTool && (() => {
+            let formatted = step.detail;
+            try {
+              formatted = JSON.stringify(JSON.parse(step.detail), null, 2);
+            } catch { /* not valid JSON */ }
+            return (
+              <div className="mt-3 rounded-lg border border-black/10 bg-black/[0.03] px-3 py-2 dark:border-white/10 dark:bg-white/[0.03]">
+                <pre
+                  className="whitespace-pre-wrap text-[12px] leading-5 text-muted-foreground"
+                >
+                  {formatted}
+                </pre>
+              </div>
+            );
+          })()}
+          {step.detail && expanded && canExpand && (isNarration || isThinking) && (
+            <div className="mt-3 rounded-lg border border-black/10 bg-black/[0.03] px-3 py-2 dark:border-white/10 dark:bg-white/[0.03]">
+              <pre
+                className="whitespace-pre-wrap break-words text-[12px] leading-5 text-muted-foreground"
+              >
+                {step.detail}
+              </pre>
+            </div>
+          )}
     </div>
   );
 }
@@ -260,7 +270,7 @@ export function ExecutionGraphCard({
                     )}
                   >
                     {step.kind === 'thinking'
-                      ? <AnimatedDots className="text-[14px]" />
+                      ? <MessageSquare className="h-3.5 w-3.5" />
                       : step.kind === 'tool'
                         ? <Wrench className="h-3.5 w-3.5" />
                         : step.kind === 'message'
diff --git a/src/pages/Chat/index.tsx b/src/pages/Chat/index.tsx
index 0bb6d48..3daaf61 100644
--- a/src/pages/Chat/index.tsx
+++ b/src/pages/Chat/index.tsx
@@ -443,7 +443,7 @@ export function Chat() {
       keys.add(runKey);
     }
     return keys;
-  }, [currentSessionKey, messages, replyTextOverrides, userRunCards]);
+  }, [currentSessionKey, messages, userRunCards]);
 
   useEffect(() => {
     if (userRunCards.length === 0) return;
diff --git a/src/pages/Chat/task-visualization.ts b/src/pages/Chat/task-visualization.ts
index 60fa5c6..0f1aaae 100644
--- a/src/pages/Chat/task-visualization.ts
+++ b/src/pages/Chat/task-visualization.ts
@@ -11,6 +11,8 @@ export interface TaskStep {
   detail?: string;
   depth: number;
   parentId?: string;
+  /** Extracted URL for web_fetch tool, used to render a clickable link icon. */
+  url?: string;
 }
 
 /**
@@ -56,7 +58,7 @@ export interface SubagentCompletionInfo {
 
 function normalizeText(text: string | null | undefined): string | undefined {
   if (!text) return undefined;
-  const normalized = text.replace(/\s+/g, ' ').trim();
+  const normalized = text.replace(/[ \t]+/g, ' ').trim();
   if (!normalized) return undefined;
   return normalized;
 }
@@ -271,6 +273,8 @@ export function deriveTaskSteps({
     });
 
     toolUses.forEach((tool, index) => {
+      const input = tool.input as Record<string, unknown>;
+      const url = tool.name === 'web_fetch' && typeof input?.url === 'string' ? input.url : undefined;
       upsertStep({
         id: tool.id || makeToolId(`history-tool-${message.id || messageIndex}`, tool.name, index),
         label: tool.name,
@@ -278,6 +282,7 @@ export function deriveTaskSteps({
         kind: 'tool',
         detail: normalizeText(JSON.stringify(tool.input, null, 2)),
         depth: 1,
+        url,
       });
     });
   }
@@ -334,6 +339,8 @@ export function deriveTaskSteps({
     extractToolUse(streamMessage).forEach((tool, index) => {
       const id = tool.id || makeToolId('stream-tool', tool.name, index);
       if (activeToolIds.has(id) || activeToolNamesWithoutIds.has(tool.name)) return;
+      const input = tool.input as Record<string, unknown>;
+      const url = tool.name === 'web_fetch' && typeof input?.url === 'string' ? input.url : undefined;
       upsertStep({
         id,
         label: tool.name,
@@ -341,6 +348,7 @@ export function deriveTaskSteps({
         kind: 'tool',
         detail: normalizeText(JSON.stringify(tool.input, null, 2)),
         depth: 1,
+        url,
       });
     });
   }