diff --git a/web/src/app/home/agents/AgentDetailContent.tsx b/web/src/app/home/agents/AgentDetailContent.tsx
index cc64b7ba4..6a3c50951 100644
--- a/web/src/app/home/agents/AgentDetailContent.tsx
+++ b/web/src/app/home/agents/AgentDetailContent.tsx
@@ -5,7 +5,7 @@ import { toast } from 'sonner';
 import { AlertTriangle, Trash2 } from 'lucide-react';
 import { httpClient } from '@/app/infra/http/HttpClient';
 import { useCurrentWorkspace } from '@/app/infra/http';
-import { Agent } from '@/app/infra/entities/api';
+import { Agent, AgentPlatformTool } from '@/app/infra/entities/api';
 import { useSidebarData } from '@/app/home/components/home-sidebar/SidebarDataContext';
 import ProcessorDetailWorkbench from '@/app/home/components/processor-detail/ProcessorDetailWorkbench';
 import EntityBasicInfoDialog, {
@@ -41,6 +41,7 @@ export default function AgentDetailContent({ id }: { id: string }) {
     currentWorkspace?.permissions.includes('runtime.operate') ?? false;
   const { refreshPipelines, pipelines, setDetailEntityName } = useSidebarData();
   const [agent, setAgent] = useState<Agent | null>(null);
+  const [platformTools, setPlatformTools] = useState<AgentPlatformTool[]>([]);
   const [loading, setLoading] = useState(!isCreateMode);
   const [formDirty, setFormDirty] = useState(false);
   const [formSaving, setFormSaving] = useState(false);
@@ -224,14 +225,17 @@ export default function AgentDetailContent({ id }: { id: string }) {
               onSavingChange={setFormSaving}
               onRunnerStatusChange={setRunnerStatus}
               onSupportedEventPatternsChange={setSupportedEventPatterns}
+              onPlatformToolsChange={setPlatformTools}
             />
           </fieldset>
         }
         debugTitle={canOperate ? t('agents.debugTab') : undefined}
+        debugDescription={t('agents.debugPlatformNotice')}
         debugContent={
           canOperate ? (
             <AgentDebugPanel
               agentId={id}
+              platformTools={platformTools}
               hasUnsavedChanges={formDirty}
               beforeRun={async () => agentFormRef.current?.save() ?? false}
               onOpenRunnerConfig={() =>
diff --git a/web/src/app/home/agents/components/AgentDebugPanel.tsx b/web/src/app/home/agents/components/AgentDebugPanel.tsx
index 37539fcaa..bb28e5633 100644
--- a/web/src/app/home/agents/components/AgentDebugPanel.tsx
+++ b/web/src/app/home/agents/components/AgentDebugPanel.tsx
@@ -10,6 +10,8 @@ import {
   Play,
 } from 'lucide-react';
 import { httpClient } from '@/app/infra/http/HttpClient';
+import type { AgentPlatformTool } from '@/app/infra/entities/api';
+import { extractI18nObject } from '@/i18n/I18nProvider';
 import { Badge } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
@@ -43,6 +45,7 @@ import { executionSteps, type DebugExecutionEvent } from './debug-execution';
 interface AgentDebugPanelProps {
   agentId: string;
   availableEventTypes: string[];
+  platformTools?: AgentPlatformTool[];
   supportedEventPatterns?: string[];
   beforeRun?: () => Promise<boolean>;
   hasUnsavedChanges?: boolean;
@@ -171,12 +174,16 @@ function matchesEventPattern(pattern: string, eventType: string) {
 export default function AgentDebugPanel({
   agentId,
   availableEventTypes,
+  platformTools = [],
   supportedEventPatterns = ['*'],
   beforeRun,
   hasUnsavedChanges = false,
   onOpenRunnerConfig,
 }: AgentDebugPanelProps) {
   const { t } = useTranslation();
+  const toolLabels = Object.fromEntries(
+    platformTools.map((tool) => [tool.name, extractI18nObject(tool.label)]),
+  );
   const [preset, setPreset] = useState('message.received');
   const [customEventType, setCustomEventType] = useState('custom.event');
   const [inputText, setInputText] = useState('');
@@ -428,9 +435,6 @@ export default function AgentDebugPanel({
 
   return (
     <div className="flex h-full min-h-0 min-w-0 flex-col">
-      <p className="shrink-0 border-b bg-muted/20 px-3 py-2 text-xs leading-relaxed text-muted-foreground">
-        {t('agents.debugPlatformNotice')}
-      </p>
       <div ref={transcriptRef} className="min-h-0 flex-1 overflow-y-auto p-3">
         <div className="mb-3">
           <p className="text-sm font-medium">{t('agents.debugTranscript')}</p>
@@ -493,6 +497,7 @@ export default function AgentDebugPanel({
                       <AgentExecutionTrace
                         events={entry.events}
                         finished={entry.finished}
+                        toolLabels={toolLabels}
                       />
                     )}
                     {entry.text && (
diff --git a/web/src/app/home/agents/components/AgentExecutionTrace.tsx b/web/src/app/home/agents/components/AgentExecutionTrace.tsx
index bd3777d80..662014900 100644
--- a/web/src/app/home/agents/components/AgentExecutionTrace.tsx
+++ b/web/src/app/home/agents/components/AgentExecutionTrace.tsx
@@ -22,9 +22,11 @@ const textClass =
 export default function AgentExecutionTrace({
   events,
   finished = false,
+  toolLabels = {},
 }: {
   events: DebugExecutionEvent[];
   finished?: boolean;
+  toolLabels?: Record<string, string>;
 }) {
   const { t } = useTranslation();
   const steps = useMemo(() => executionSteps(events), [events]);
@@ -36,9 +38,9 @@ export default function AgentExecutionTrace({
     );
   return (
     <div className="min-w-0 space-y-3">
-      {ended && (
+      {ended && toolCount > 0 && (
         <p className="text-xs text-muted-foreground">
-          {t(toolCount ? 'agents.debugToolCount' : 'agents.debugNoToolCalls', {
+          {t('agents.debugToolCount', {
             count: toolCount,
           })}
         </p>
@@ -68,15 +70,22 @@ export default function AgentExecutionTrace({
             )}
           </div>
         ) : (
-          <section
+          <details
             key={index}
-            className="min-w-0 space-y-2 rounded-md border bg-background p-3"
+            className="min-w-0 rounded-md border bg-background p-3"
           >
-            <div className="flex flex-wrap items-center justify-between gap-2 text-xs">
+            <summary className="cursor-pointer text-xs">
               <span className="min-w-0 break-all font-medium">
                 <Wrench className="mr-1.5 inline size-3.5" />
-                {step.name}
+                {toolLabels[step.name] || step.name}
               </span>
+              {toolLabels[step.name] && toolLabels[step.name] !== step.name && (
+                <code className="ml-2 break-all font-mono text-xs text-muted-foreground">
+                  {step.name}
+                </code>
+              )}
+            </summary>
+            <div className="mt-2 space-y-2">
               <span
                 className={
                   step.status === 'failed'
@@ -100,33 +109,33 @@ export default function AgentExecutionTrace({
                           : 'agents.debugToolCompleted',
                     )}
               </span>
+              {step.parameters !== undefined && (
+                <div>
+                  <p className="text-xs text-muted-foreground">
+                    {t('agents.debugToolArguments')}
+                  </p>
+                  <pre className="mt-1 whitespace-pre-wrap break-all rounded bg-muted/40 p-2 font-mono text-xs">
+                    {formatValue(step.parameters)}
+                  </pre>
+                </div>
+              )}
+              {step.result !== undefined && step.result !== null && (
+                <div>
+                  <p className="text-xs text-muted-foreground">
+                    {t('agents.debugToolResult')}
+                  </p>
+                  <pre className="mt-1 whitespace-pre-wrap break-all rounded bg-muted/40 p-2 font-mono text-xs">
+                    {formatValue(step.result)}
+                  </pre>
+                </div>
+              )}
+              {step.error && (
+                <pre className={`${textClass} text-destructive`}>
+                  {step.error}
+                </pre>
+              )}
             </div>
-            {step.parameters !== undefined && (
-              <div>
-                <p className="text-xs text-muted-foreground">
-                  {t('agents.debugToolArguments')}
-                </p>
-                <pre className="mt-1 max-h-64 overflow-auto whitespace-pre-wrap break-all rounded bg-muted/40 p-2 font-mono text-xs">
-                  {formatValue(step.parameters)}
-                </pre>
-              </div>
-            )}
-            {step.result !== undefined && step.result !== null && (
-              <div>
-                <p className="text-xs text-muted-foreground">
-                  {t('agents.debugToolResult')}
-                </p>
-                <pre className="mt-1 max-h-64 overflow-auto whitespace-pre-wrap break-all rounded bg-muted/40 p-2 font-mono text-xs">
-                  {formatValue(step.result)}
-                </pre>
-              </div>
-            )}
-            {step.error && (
-              <pre className={`${textClass} text-destructive`}>
-                {step.error}
-              </pre>
-            )}
-          </section>
+          </details>
         ),
       )}
     </div>
diff --git a/web/src/app/home/agents/components/AgentFormComponent.tsx b/web/src/app/home/agents/components/AgentFormComponent.tsx
index 3cdca98be..95af28885 100644
--- a/web/src/app/home/agents/components/AgentFormComponent.tsx
+++ b/web/src/app/home/agents/components/AgentFormComponent.tsx
@@ -68,6 +68,7 @@ interface AgentFormComponentProps {
   onSavingChange?: (saving: boolean) => void;
   onRunnerStatusChange?: (status: AgentRunnerStatus) => void;
   onSupportedEventPatternsChange?: (patterns: string[]) => void;
+  onPlatformToolsChange?: (tools: AgentPlatformTool[]) => void;
 }
 
 export type AgentConfigSection =
@@ -124,6 +125,7 @@ function AgentFormComponent(
     onSavingChange,
     onRunnerStatusChange,
     onSupportedEventPatternsChange,
+    onPlatformToolsChange,
   }: AgentFormComponentProps,
   ref: ForwardedRef<AgentFormHandle>,
 ) {
@@ -131,6 +133,9 @@ function AgentFormComponent(
   const [runnerConfigSchema, setRunnerConfigSchema] =
     useState<PipelineConfigTab | null>(null);
   const [platformTools, setPlatformTools] = useState<AgentPlatformTool[]>([]);
+  useEffect(() => {
+    onPlatformToolsChange?.(platformTools);
+  }, [onPlatformToolsChange, platformTools]);
   const [platformToolCatalogAvailable, setPlatformToolCatalogAvailable] =
     useState(true);
   const [hostTools, setHostTools] = useState<PluginTool[]>([]);
diff --git a/web/src/app/home/components/processor-detail/ProcessorDetailWorkbench.tsx b/web/src/app/home/components/processor-detail/ProcessorDetailWorkbench.tsx
index 1a5d454f8..568927b7d 100644
--- a/web/src/app/home/components/processor-detail/ProcessorDetailWorkbench.tsx
+++ b/web/src/app/home/components/processor-detail/ProcessorDetailWorkbench.tsx
@@ -1,5 +1,5 @@
 import { ReactNode, useState } from 'react';
-import { BarChart3, Bug, Settings } from 'lucide-react';
+import { BarChart3, Bug, Info, Settings } from 'lucide-react';
 import { Badge } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
 import {
@@ -36,6 +36,7 @@ interface ProcessorDetailWorkbenchProps {
   configTitle: string;
   configContent: ReactNode;
   debugTitle?: string;
+  debugDescription?: string;
   debugContent?: ReactNode;
   debugConnected?: boolean;
   debugConnectedLabel?: string;
@@ -58,6 +59,7 @@ export default function ProcessorDetailWorkbench({
   configTitle,
   configContent,
   debugTitle,
+  debugDescription,
   debugContent,
   debugConnected,
   debugConnectedLabel,
@@ -196,6 +198,22 @@ export default function ProcessorDetailWorkbench({
                 <div className="flex min-w-0 items-center gap-2 font-medium">
                   <Bug className="size-4 shrink-0" />
                   <span className="truncate">{debugTitle}</span>
+                  {debugDescription && (
+                    <Tooltip>
+                      <TooltipTrigger asChild>
+                        <button
+                          type="button"
+                          aria-label={debugDescription}
+                          className="inline-flex shrink-0 text-muted-foreground hover:text-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring rounded-sm"
+                        >
+                          <Info className="size-4" />
+                        </button>
+                      </TooltipTrigger>
+                      <TooltipContent className="max-w-xs whitespace-normal leading-relaxed">
+                        {debugDescription}
+                      </TooltipContent>
+                    </Tooltip>
+                  )}
                 </div>
                 {debugConnected !== undefined && (
                   <span className="flex items-center gap-1.5 text-xs text-muted-foreground">