diff --git a/apps/desktop/src/components/assistant-ui/tool/fallback-model/index.ts b/apps/desktop/src/components/assistant-ui/tool/fallback-model/index.ts
index 3bd3141e41..ff9156dfe9 100644
--- a/apps/desktop/src/components/assistant-ui/tool/fallback-model/index.ts
+++ b/apps/desktop/src/components/assistant-ui/tool/fallback-model/index.ts
@@ -8,6 +8,8 @@ import { isCardTool, isFileEditTool, isSilentTool } from '@/lib/tool-render-clas
 import { toolResultRecord } from '@/lib/tool-result-metadata'
 import { extractToolErrorMessage, formatToolResultSummary } from '@/lib/tool-result-summary'
 
+import { skillActivityTitle } from '../skill-activity'
+
 import {
   browserExecStepLabel,
   compactPreview,
@@ -1310,6 +1312,12 @@ function dynamicTitle(
   result: Record<string, unknown>,
   fallback: ToolTitleParts
 ): ToolTitleParts {
+  const skillTitle = skillActivityTitle(part)
+
+  if (skillTitle) {
+    return { title: skillTitle }
+  }
+
   const verb = (gerund: string, past: string) => (part.result === undefined ? gerund : past)
 
   const titledAction = (action: string, title: string): ToolTitleParts =>
diff --git a/apps/desktop/src/components/assistant-ui/tool/fallback.tsx b/apps/desktop/src/components/assistant-ui/tool/fallback.tsx
index 6c9112e9ba..ef1bca8c1a 100644
--- a/apps/desktop/src/components/assistant-ui/tool/fallback.tsx
+++ b/apps/desktop/src/components/assistant-ui/tool/fallback.tsx
@@ -82,6 +82,7 @@ import { ToolRunTicker } from './run-ticker'
 // false, so every row currently owns its own chrome; kept as a seam for any
 // future embedding surface.
 const ToolEmbedContext = createContext(false)
+const ToolRunDisclosureContext = createContext<string | null>(null)
 
 // A search hit's title is result *content* inside an expanded row, not one of
 // the scaffolding lines, so it keeps the brighter secondary grey.
@@ -355,6 +356,7 @@ function ToolEntry({ part }: ToolEntryProps) {
   const messageId = useAuiState(s => s.message.id)
   const messageRunning = useAuiState(selectMessageRunning)
   const embedded = useContext(ToolEmbedContext)
+  const runDisclosureId = useContext(ToolRunDisclosureContext)
   const toolViewMode = useStore($toolViewMode)
 
   // `ToolFallback` rebuilds the `part` wrapper each render, defeating the memos
@@ -565,7 +567,18 @@ function ToolEntry({ part }: ToolEntryProps) {
       <div className={cn(open && 'border-b border-(--ui-stroke-tertiary) px-2 py-1.5')}>
         <DisclosureRow
           action={dismissAction}
-          onToggle={hasExpandableContent ? () => setToolDisclosureOpen(disclosureId, !open) : undefined}
+          onToggle={
+            hasExpandableContent
+              ? () => {
+                  // Opening a row is newer intent than an earlier group collapse.
+                  if (!open && runDisclosureId) {
+                    setToolDisclosureOpen(runDisclosureId, true)
+                  }
+
+                  setToolDisclosureOpen(disclosureId, !open)
+                }
+              : undefined
+          }
           open={open}
           trailing={trailing}
         >
@@ -806,7 +819,7 @@ export function splitRunItems(toolNames: readonly string[]): RunItem[] {
  */
 // The one grey line that stands in for a run of tool calls — "Explored 3
 // files, ran 5 commands". Live, it narrates in the present tense above the
-// ticker and offers no toggle, since there is nothing settled to unfold yet.
+// ticker by default; its toggle can reveal the activity before it settles.
 function ToolRunHeader({
   completedAt,
   live,
@@ -855,7 +868,8 @@ interface ToolRunState {
 // re-render the group on every text delta in the turn. The run only changes
 // when a call arrives or one finishes; cache on exactly that.
 function useToolRun(startIndex: number, endIndex: number): ToolRunState {
-  const cache = useRef<null | { signature: string; value: ToolRunState }>(null)
+  const { locale } = useI18n()
+  const cache = useRef<null | { signature: string; tools: readonly ToolPart[]; value: ToolRunState }>(null)
 
   return useAuiState(state => {
     const parts = state.message.parts
@@ -877,12 +891,28 @@ function useToolRun(startIndex: number, endIndex: number): ToolRunState {
         tool =>
           `${tool.toolCallId}:${tool.result === undefined ? 0 : 1}:${tool.timestamp ?? ''}:${tool.completedAt ?? ''}`
       )
-      .concat(String(live))
+      .concat(String(live), state.message.id, locale)
       .join('|')
 
-    if (cache.current?.signature !== signature) {
+    // The arguments may arrive after tool.start. Compare references rather
+    // than stringify potentially huge args/results on every streaming tick.
+    const sameInputs =
+      cache.current?.tools.length === timelineTools.length &&
+      timelineTools.every((tool, index) => {
+        const previous = cache.current!.tools[index]
+
+        return (
+          tool.args === previous.args &&
+          tool.result === previous.result &&
+          tool.toolName === previous.toolName &&
+          tool.isError === previous.isError
+        )
+      })
+
+    if (cache.current?.signature !== signature || !sameInputs) {
       cache.current = {
         signature,
+        tools: timelineTools,
         value: {
           completedAt: timelineTools.reduce<number | undefined>(
             (latest, tool) =>
@@ -895,7 +925,7 @@ function useToolRun(startIndex: number, endIndex: number): ToolRunState {
           ),
           count: tools.length,
           entryIds: tools.map(tool => toolEntryDisclosureId(state.message.id, tool)),
-          key: tools[0]?.toolCallId ?? '',
+          key: `${state.message.id}:${tools[0]?.toolCallId ?? ''}`,
           live,
           startedAt: timelineTools.reduce<number | undefined>(
             (earliest, tool) =>
@@ -954,7 +984,7 @@ const ToolRun: FC<PropsWithChildren<{ endIndex: number; startIndex: number }>> =
   // A lone call is already its own one-line summary; heading it with a second
   // line would say the same thing twice.
   if (count < 2) {
-    return <>{children}</>
+    return <ToolRunDisclosureContext.Provider value={disclosureId}>{children}</ToolRunDisclosureContext.Provider>
   }
 
   // Two things a one-line window can't hold. An approval is a question the
@@ -963,27 +993,28 @@ const ToolRun: FC<PropsWithChildren<{ endIndex: number; startIndex: number }>> =
   // keeps going. Either one hands the run back its full height until the run
   // settles and the row can be reached through the summary instead.
   const blocked = Boolean(approval) && pendingApprovalTool
-  const unfurled = blocked || rowOpen
-  const expanded = live ? unfurled : (persistedOpen ?? false)
+  const expanded = blocked || (persistedOpen ?? rowOpen)
 
   return (
-    <div
-      className="grid min-w-0 max-w-full gap-(--tool-row-gap) overflow-hidden"
-      data-slot="tool-block"
-      data-tool-group=""
-      ref={enterRef}
-    >
-      <ToolRunHeader
-        completedAt={completedAt}
-        live={live}
-        onToggle={live ? undefined : () => setToolDisclosureOpen(disclosureId, !expanded)}
-        open={expanded}
-        startedAt={startedAt}
-        summary={summary}
-      />
-      {live && !unfurled && <ToolRunTicker>{children}</ToolRunTicker>}
-      {expanded && <div className="grid min-w-0 max-w-full gap-(--tool-row-gap)">{children}</div>}
-    </div>
+    <ToolRunDisclosureContext.Provider value={disclosureId}>
+      <div
+        className="grid min-w-0 max-w-full gap-(--tool-row-gap) overflow-hidden"
+        data-slot="tool-block"
+        data-tool-group=""
+        ref={enterRef}
+      >
+        <ToolRunHeader
+          completedAt={completedAt}
+          live={live}
+          onToggle={blocked ? undefined : () => setToolDisclosureOpen(disclosureId, !expanded)}
+          open={expanded}
+          startedAt={startedAt}
+          summary={summary}
+        />
+        {live && !expanded && <ToolRunTicker>{children}</ToolRunTicker>}
+        {expanded && <div className="grid min-w-0 max-w-full gap-(--tool-row-gap)">{children}</div>}
+      </div>
+    </ToolRunDisclosureContext.Provider>
   )
 }
 
diff --git a/apps/desktop/src/components/assistant-ui/tool/run-summary.ts b/apps/desktop/src/components/assistant-ui/tool/run-summary.ts
index 7693e67ed6..a55daf3af4 100644
--- a/apps/desktop/src/components/assistant-ui/tool/run-summary.ts
+++ b/apps/desktop/src/components/assistant-ui/tool/run-summary.ts
@@ -1,7 +1,10 @@
+import { translateNow } from '@/i18n'
 import { summarizeShellCommand } from '@/lib/summarize-command'
 import { firstStringField } from '@/lib/text'
+import { extractToolErrorMessage } from '@/lib/tool-result-summary'
 
 import { fileEditBasename, isFileEditTool, parseMaybeObject } from './fallback-model'
+import { skillActivityTitle } from './skill-activity'
 
 /**
  * The little a summary needs from a tool call, stated structurally so both
@@ -10,6 +13,8 @@ import { fileEditBasename, isFileEditTool, parseMaybeObject } from './fallback-m
  */
 export interface ToolCallLike {
   args?: unknown
+  completedAt?: number
+  isError?: boolean
   result?: unknown
   toolCallId?: string
   toolName: string
@@ -64,7 +69,7 @@ function toolCategory(toolName: string): RunCategory {
 }
 
 function isPending(tool: ToolCallLike): boolean {
-  return tool.result === undefined
+  return tool.result === undefined && tool.completedAt === undefined
 }
 
 /**
@@ -73,6 +78,10 @@ function isPending(tool: ToolCallLike): boolean {
  * described in the same words from the moment the model drafts it.
  */
 export function toolPresentVerb(toolName: string): string {
+  if (toolName === 'skill_view') {
+    return translateNow('assistant.tool.skillActivity.loading')
+  }
+
   return CATEGORY_COPY[toolCategory(toolName)].present
 }
 
@@ -135,8 +144,17 @@ export function summarizeToolRun(tools: readonly ToolCallLike[], live: boolean):
   const liveCategory = narrating ? toolCategory(narrating.toolName) : null
 
   const byCategory = new Map<RunCategory, ToolCallLike[]>()
+  const skillClauses: string[] = []
 
   for (const tool of tools) {
+    const skill = skillActivityTitle(tool, live)
+
+    if (skill) {
+      skillClauses.push(skill)
+
+      continue
+    }
+
     const category = toolCategory(tool.toolName)
     const group = byCategory.get(category)
 
@@ -153,5 +171,20 @@ export function summarizeToolRun(tools: readonly ToolCallLike[], live: boolean):
     return group ? [clause(category, group, category === liveCategory)] : []
   })
 
-  return clauses.map((text, index) => (index === 0 ? text : lowerFirst(text))).join(', ')
+  const failed = tools.filter(tool => {
+    const result = parseMaybeObject(tool.result)
+
+    // Explicit success beats stale envelope errors, as in individual rows.
+    return (
+      result.success !== true &&
+      result.ok !== true &&
+      Boolean(tool.isError || result.success === false || result.ok === false || extractToolErrorMessage(tool.result))
+    )
+  }).length
+
+  if (failed) {
+    clauses.push(translateNow('assistant.tool.failedCalls', failed))
+  }
+
+  return [...skillClauses, ...clauses].map((text, index) => (index === 0 ? text : lowerFirst(text))).join(', ')
 }
diff --git a/apps/desktop/src/components/assistant-ui/tool/skill-activity.test.ts b/apps/desktop/src/components/assistant-ui/tool/skill-activity.test.ts
new file mode 100644
index 0000000000..daf4c819de
--- /dev/null
+++ b/apps/desktop/src/components/assistant-ui/tool/skill-activity.test.ts
@@ -0,0 +1,38 @@
+import { describe, expect, it } from 'vitest'
+
+import { buildToolView } from './fallback-model'
+import { summarizeToolRun } from './run-summary'
+
+const skill = { type: 'tool-call' as const, toolName: 'skill_view', args: { name: 'research-notes' } }
+
+describe('skill activity identity', () => {
+  it('names instruction loads, resource reads, failures and unobserved outcomes without claiming task completion', () => {
+    expect(buildToolView(skill, '').title).toBe('Loading skill: research-notes')
+    expect(buildToolView({ ...skill, result: { success: true } }, '').title).toBe('Loaded skill: research-notes')
+    const resource = { ...skill, args: { ...skill.args, file_path: 'references/example.md' } }
+    expect(buildToolView(resource, '').title).toBe('Reading skill resource: research-notes → references/example.md')
+    expect(buildToolView({ ...resource, result: 'resource body' }, '').title).toBe(
+      'Read skill resource: research-notes → references/example.md'
+    )
+    expect(buildToolView({ ...skill, isError: true, result: 'missing' }, '').title).toBe(
+      'Failed to load skill: research-notes'
+    )
+    expect(summarizeToolRun([skill], false)).toBe('Skill result unavailable: research-notes')
+  })
+
+  it('keeps each skill identity and failed outcome in mixed collapsed summaries', () => {
+    const summary = summarizeToolRun(
+      [
+        { ...skill, result: 'instructions' },
+        { ...skill, args: { name: 'second-skill' }, result: { error: 'not found' } },
+        { toolName: 'terminal', args: { command: 'echo ok' }, result: { stdout: 'ok' } }
+      ],
+      false
+    )
+
+    expect(summary).toContain('Loaded skill: research-notes')
+    expect(summary).toContain('failed to load skill: second-skill')
+    expect(summary).toContain('ran 1 command')
+    expect(summary).toContain('1 tool call failed')
+  })
+})
diff --git a/apps/desktop/src/components/assistant-ui/tool/skill-activity.ts b/apps/desktop/src/components/assistant-ui/tool/skill-activity.ts
new file mode 100644
index 0000000000..e1eb5edc0d
--- /dev/null
+++ b/apps/desktop/src/components/assistant-ui/tool/skill-activity.ts
@@ -0,0 +1,46 @@
+import { translateNow } from '@/i18n'
+import { firstStringField } from '@/lib/text'
+import { extractToolErrorMessage } from '@/lib/tool-result-summary'
+
+import { parseMaybeObject } from './fallback-model/format'
+
+interface SkillCall {
+  args?: unknown
+  completedAt?: number
+  isError?: boolean
+  result?: unknown
+  toolName: string
+}
+
+/** Loading instructions is not the same action as reading a skill resource,
+ * and neither proves the task described by the skill has been completed. */
+export function skillActivityTitle(part: SkillCall, live = true): string | undefined {
+  if (part.toolName !== 'skill_view' && part.toolName !== 'skills_list') {
+    return undefined
+  }
+
+  const args = parseMaybeObject(part.args)
+  const result = parseMaybeObject(part.result)
+
+  const failed = Boolean(
+    part.isError || extractToolErrorMessage(part.result) || result.success === false || result.ok === false
+  )
+
+  const pending = live && part.result === undefined && part.completedAt === undefined
+  const missing = !pending && part.result === undefined
+  const file = firstStringField(args, ['file_path'])
+  const name = firstStringField(args, ['name'])
+  const target = [name, file].filter(Boolean).join(' → ')
+
+  const keys =
+    part.toolName === 'skills_list'
+      ? { pending: 'listing', done: 'listed', failed: 'listFailed' }
+      : file
+        ? { pending: 'readingResource', done: 'readResource', failed: 'resourceFailed' }
+        : { pending: 'loading', done: 'loaded', failed: 'loadFailed' }
+
+  const key = failed ? keys.failed : missing ? 'unavailable' : pending ? keys.pending : keys.done
+  const label = translateNow(`assistant.tool.skillActivity.${key}`)
+
+  return target ? `${label}: ${target}` : label
+}
diff --git a/apps/desktop/src/components/assistant-ui/tool/tool-group.test.tsx b/apps/desktop/src/components/assistant-ui/tool/tool-group.test.tsx
index c385cfc92f..3d3d2f818f 100644
--- a/apps/desktop/src/components/assistant-ui/tool/tool-group.test.tsx
+++ b/apps/desktop/src/components/assistant-ui/tool/tool-group.test.tsx
@@ -478,14 +478,56 @@ describe('live tool run', () => {
     })
   })
 
-  it('cannot be collapsed while a tool is still running', async () => {
-    const { container } = render(<GroupHarness message={groupedPendingMessage()} />)
+  it('honors explicit disclosure across live updates and completion', async () => {
+    const message = groupedPendingMessage()
+    const { container, rerender } = render(<GroupHarness message={message} />)
+    const toggle = () => container.querySelector('[data-tool-summary] button[aria-expanded]') as HTMLButtonElement
 
-    await waitFor(() => {
-      expect(container.querySelector('[data-tool-summary]')).not.toBeNull()
-    })
+    await waitFor(() => expect(toggle()).not.toBeNull())
+    fireEvent.click(toggle())
+    expect(toggle().getAttribute('aria-expanded')).toBe('true')
+    expect(container.querySelector('[data-tool-ticker]')).toBeNull()
+    fireEvent.click(toggle())
+    const row = container.querySelector('[data-tool-ticker] [data-tool-row] button[aria-expanded="false"]')
+    expect(row).not.toBeNull()
+    fireEvent.click(row as Element)
+    await waitFor(() => expect(container.querySelector('[data-tool-ticker]')).toBeNull())
 
-    expect(container.querySelector('[data-tool-summary] button[aria-expanded]')).toBeNull()
+    const next = {
+      ...message,
+      content: [
+        ...message.content,
+        {
+          type: 'tool-call',
+          toolCallId: 'read-next',
+          toolName: 'read_file',
+          args: { path: '/tmp/next' },
+          argsText: '{}'
+        }
+      ]
+    } as ThreadMessage
+
+    rerender(<GroupHarness message={next} />)
+    await waitFor(() => expect(container.querySelectorAll('[data-tool-row]')).toHaveLength(3))
+    rerender(<GroupHarness message={{ ...next, status: { type: 'complete', reason: 'stop' } }} />)
+    await waitFor(() => expect(toggle().getAttribute('aria-expanded')).toBe('true'))
+    fireEvent.click(toggle())
+    expect(container.querySelectorAll('[data-tool-row]')).toHaveLength(0)
+  })
+
+  it('updates named skill summaries when identifying arguments arrive late', async () => {
+    const message = groupedPendingMessage()
+    const first = { ...message.content[0], toolName: 'skill_view', args: {}, result: { success: true } }
+
+    const { container, rerender } = render(
+      <GroupHarness message={{ ...message, content: [first, message.content[1]] } as ThreadMessage} />
+    )
+
+    const summary = () => container.querySelector('[data-tool-summary]')?.textContent
+    await waitFor(() => expect(summary()).toContain('Loaded skill'))
+    const named = { ...first, args: { name: 'research-notes' } }
+    rerender(<GroupHarness message={{ ...message, content: [named, message.content[1]] } as ThreadMessage} />)
+    await waitFor(() => expect(summary()).toContain('research-notes'))
   })
 
   // Liveness used to also require an unresolved call, which is false for the
@@ -497,7 +539,7 @@ describe('live tool run', () => {
 
     expect(await screen.findByText('Running 2 commands')).toBeTruthy()
     expect(container.querySelector('[data-tool-ticker]')).not.toBeNull()
-    expect(container.querySelector('[data-tool-summary] button[aria-expanded]')).toBeNull()
+    expect(container.querySelector('[data-tool-summary] button[aria-expanded]')).not.toBeNull()
   })
 
   // The ticker is a one-line window, so a row opened inside it had its output
diff --git a/apps/desktop/src/i18n/ar.ts b/apps/desktop/src/i18n/ar.ts
index c8702f0a00..13bd6babe7 100644
--- a/apps/desktop/src/i18n/ar.ts
+++ b/apps/desktop/src/i18n/ar.ts
@@ -2901,6 +2901,19 @@ export const ar = defineLocale({
       copyQuery: 'نسخ الاستعلام',
       copyFile: 'نسخ الملف',
       copyPath: 'نسخ المسار',
+      failedCalls: (count: number) => `عدد استدعاءات الأدوات الفاشلة: ${count}`,
+      skillActivity: {
+        loading: 'جارٍ تحميل المهارة',
+        loaded: 'تم تحميل المهارة',
+        loadFailed: 'تعذر تحميل المهارة',
+        readingResource: 'جارٍ قراءة مورد المهارة',
+        readResource: 'تمت قراءة مورد المهارة',
+        resourceFailed: 'تعذرت قراءة مورد المهارة',
+        listing: 'جارٍ عرض المهارات',
+        listed: 'تم عرض المهارات',
+        listFailed: 'تعذر عرض المهارات',
+        unavailable: 'نتيجة المهارة غير متاحة'
+      },
       outputAlt: 'إخراج الأداة',
       rawResponse: 'الرد الخام',
       copyActivity: 'نسخ النشاط',
diff --git a/apps/desktop/src/i18n/en.ts b/apps/desktop/src/i18n/en.ts
index 48323d57f3..3014a98acb 100644
--- a/apps/desktop/src/i18n/en.ts
+++ b/apps/desktop/src/i18n/en.ts
@@ -3964,6 +3964,19 @@ export const en: Translations = {
       copyQuery: 'Copy query',
       copyFile: 'Copy file',
       copyPath: 'Copy path',
+      failedCalls: (count: number) => `${count} tool call${count === 1 ? '' : 's'} failed`,
+      skillActivity: {
+        loading: 'Loading skill',
+        loaded: 'Loaded skill',
+        loadFailed: 'Failed to load skill',
+        readingResource: 'Reading skill resource',
+        readResource: 'Read skill resource',
+        resourceFailed: 'Failed to read skill resource',
+        listing: 'Listing skills',
+        listed: 'Listed skills',
+        listFailed: 'Failed to list skills',
+        unavailable: 'Skill result unavailable'
+      },
       outputAlt: 'Tool output',
       rawResponse: 'Raw response',
       copyActivity: 'Copy activity',
diff --git a/apps/desktop/src/i18n/ja.ts b/apps/desktop/src/i18n/ja.ts
index f725cb9b98..61dddd8668 100644
--- a/apps/desktop/src/i18n/ja.ts
+++ b/apps/desktop/src/i18n/ja.ts
@@ -3359,6 +3359,19 @@ export const ja = defineLocale({
       copyQuery: 'クエリをコピー',
       copyFile: 'ファイルをコピー',
       copyPath: 'パスをコピー',
+      failedCalls: (count: number) => `失敗したツール呼び出し: ${count}`,
+      skillActivity: {
+        loading: 'スキルを読み込み中',
+        loaded: 'スキルを読み込みました',
+        loadFailed: 'スキルの読み込みに失敗しました',
+        readingResource: 'スキルのリソースを読み込み中',
+        readResource: 'スキルのリソースを読み込みました',
+        resourceFailed: 'スキルのリソースの読み込みに失敗しました',
+        listing: 'スキル一覧を取得中',
+        listed: 'スキル一覧を取得しました',
+        listFailed: 'スキル一覧の取得に失敗しました',
+        unavailable: 'スキルの結果を取得できません'
+      },
       outputAlt: 'ツール出力',
       rawResponse: '生の応答',
       copyActivity: 'アクティビティをコピー',
diff --git a/apps/desktop/src/i18n/ru.ts b/apps/desktop/src/i18n/ru.ts
index 663e4dd7ab..a23794ea6f 100644
--- a/apps/desktop/src/i18n/ru.ts
+++ b/apps/desktop/src/i18n/ru.ts
@@ -3661,6 +3661,19 @@ export const ru = defineLocale({
       copyQuery: 'Копировать запрос',
       copyFile: 'Копировать файл',
       copyPath: 'Копировать путь',
+      failedCalls: (count: number) => `Вызовов с ошибкой: ${count}`,
+      skillActivity: {
+        loading: 'Загружается скилл',
+        loaded: 'Загружен скилл',
+        loadFailed: 'Не удалось загрузить скилл',
+        readingResource: 'Читается ресурс скилла',
+        readResource: 'Прочитан ресурс скилла',
+        resourceFailed: 'Не удалось прочитать ресурс скилла',
+        listing: 'Загружается список скиллов',
+        listed: 'Получен список скиллов',
+        listFailed: 'Не удалось получить список скиллов',
+        unavailable: 'Результат работы со скиллом недоступен'
+      },
       outputAlt: 'Вывод инструмента',
       rawResponse: 'Сырой ответ',
       copyActivity: 'Копировать активность',
diff --git a/apps/desktop/src/i18n/types.ts b/apps/desktop/src/i18n/types.ts
index 38bf01eb15..baf2a1b206 100644
--- a/apps/desktop/src/i18n/types.ts
+++ b/apps/desktop/src/i18n/types.ts
@@ -3490,6 +3490,19 @@ export interface Translations {
       copyQuery: string
       copyFile: string
       copyPath: string
+      failedCalls: (count: number) => string
+      skillActivity: {
+        loading: string
+        loaded: string
+        loadFailed: string
+        readingResource: string
+        readResource: string
+        resourceFailed: string
+        listing: string
+        listed: string
+        listFailed: string
+        unavailable: string
+      }
       outputAlt: string
       rawResponse: string
       copyActivity: string
diff --git a/apps/desktop/src/i18n/zh-hant.ts b/apps/desktop/src/i18n/zh-hant.ts
index 5311161ed8..846b41d5ec 100644
--- a/apps/desktop/src/i18n/zh-hant.ts
+++ b/apps/desktop/src/i18n/zh-hant.ts
@@ -3312,6 +3312,19 @@ export const zhHant = defineLocale({
       copyQuery: '複製查詢',
       copyFile: '複製檔案',
       copyPath: '複製路徑',
+      failedCalls: (count: number) => `${count} 次工具呼叫失敗`,
+      skillActivity: {
+        loading: '正在載入技能',
+        loaded: '已載入技能',
+        loadFailed: '技能載入失敗',
+        readingResource: '正在讀取技能資源',
+        readResource: '已讀取技能資源',
+        resourceFailed: '技能資源讀取失敗',
+        listing: '正在列出技能',
+        listed: '已列出技能',
+        listFailed: '技能清單取得失敗',
+        unavailable: '技能結果無法使用'
+      },
       outputAlt: '工具輸出',
       rawResponse: '原始回應',
       copyActivity: '複製活動',
diff --git a/apps/desktop/src/i18n/zh.ts b/apps/desktop/src/i18n/zh.ts
index f5d17844cc..2d6f87f884 100644
--- a/apps/desktop/src/i18n/zh.ts
+++ b/apps/desktop/src/i18n/zh.ts
@@ -4118,6 +4118,19 @@ export const zh = defineLocale({
       copyQuery: '复制查询',
       copyFile: '复制文件',
       copyPath: '复制路径',
+      failedCalls: (count: number) => `${count} 次工具调用失败`,
+      skillActivity: {
+        loading: '正在加载技能',
+        loaded: '已加载技能',
+        loadFailed: '技能加载失败',
+        readingResource: '正在读取技能资源',
+        readResource: '已读取技能资源',
+        resourceFailed: '技能资源读取失败',
+        listing: '正在列出技能',
+        listed: '已列出技能',
+        listFailed: '技能列表获取失败',
+        unavailable: '技能结果不可用'
+      },
       outputAlt: '工具输出',
       rawResponse: '原始响应',
       copyActivity: '复制活动',