diff --git a/apps/desktop/src/app/chat/composer/controls.tsx b/apps/desktop/src/app/chat/composer/controls.tsx
index 5e1e3df6fb0..7fbe9efa4a2 100644
--- a/apps/desktop/src/app/chat/composer/controls.tsx
+++ b/apps/desktop/src/app/chat/composer/controls.tsx
@@ -3,7 +3,7 @@ import { Codicon } from '@/components/ui/codicon'
 import { Tip } from '@/components/ui/tooltip'
 import { useI18n } from '@/i18n'
 import { triggerHaptic } from '@/lib/haptics'
-import { AudioLines, Layers3, Loader2, Square } from '@/lib/icons'
+import { AudioLines, Layers3, Loader2, Square, SteeringWheel } from '@/lib/icons'
 import { cn } from '@/lib/utils'
 
 import type { ConversationStatus } from './hooks/use-voice-conversation'
@@ -38,16 +38,19 @@ interface ConversationProps {
 export function ComposerControls({
   busy,
   busyAction,
+  canSteer,
   canSubmit,
   conversation,
   disabled,
   hasComposerPayload,
   state,
   voiceStatus,
-  onDictate
+  onDictate,
+  onSteer
 }: {
   busy: boolean
   busyAction: 'queue' | 'stop'
+  canSteer: boolean
   canSubmit: boolean
   conversation: ConversationProps
   disabled: boolean
@@ -55,6 +58,7 @@ export function ComposerControls({
   state: ChatBarState
   voiceStatus: VoiceStatus
   onDictate: () => void
+  onSteer: () => void
 }) {
   const { t } = useI18n()
   const c = t.composer
@@ -68,6 +72,21 @@ export function ComposerControls({
   return (
     <div className="ml-auto flex shrink-0 items-center gap-(--composer-control-gap)">
       <DictationButton disabled={disabled} onToggle={onDictate} state={state.voice} status={voiceStatus} />
+      {canSteer && (
+        <Tip label={c.steer}>
+          <Button
+            aria-label={c.steer}
+            className={GHOST_ICON_BTN}
+            disabled={disabled}
+            onClick={onSteer}
+            size="icon"
+            type="button"
+            variant="ghost"
+          >
+            <SteeringWheel size={16} />
+          </Button>
+        </Tip>
+      )}
       {showVoicePrimary ? (
         <Tip label={c.startVoice}>
           <Button
diff --git a/apps/desktop/src/app/chat/composer/index.tsx b/apps/desktop/src/app/chat/composer/index.tsx
index 0d0318af41a..185eca7baf5 100644
--- a/apps/desktop/src/app/chat/composer/index.tsx
+++ b/apps/desktop/src/app/chat/composer/index.tsx
@@ -123,6 +123,7 @@ export function ChatBar({
   onPickFolders,
   onPickImages,
   onRemoveAttachment,
+  onSteer,
   onSubmit,
   onTranscribeAudio
 }: ChatBarProps) {
@@ -169,6 +170,10 @@ export function ChatBar({
   const canSubmit = busy || hasComposerPayload
   const editingQueuedPrompt = queueEdit ? (queuedPrompts.find(entry => entry.id === queueEdit.entryId) ?? null) : null
   const busyAction = busy && hasComposerPayload ? 'queue' : 'stop'
+  // Steer only makes sense mid-turn, text-only (the gateway can't carry images
+  // into a tool result) and never for a slash command (those execute inline).
+  const canSteer =
+    busy && !!onSteer && attachments.length === 0 && draft.trim().length > 0 && !SLASH_COMMAND_RE.test(draft.trim())
   const showHelpHint = draft === '?'
 
   const { t } = useI18n()
@@ -792,6 +797,15 @@ export function ChatBar({
       return
     }
 
+    // Cmd/Ctrl+Enter steers the draft into the live run (nudge, no interrupt);
+    // plain Enter still queues while busy.
+    if (event.key === 'Enter' && (event.metaKey || event.ctrlKey) && !event.shiftKey && canSteer) {
+      event.preventDefault()
+      steerDraft()
+
+      return
+    }
+
     if (event.key === 'Enter' && !event.shiftKey) {
       event.preventDefault()
 
@@ -1070,6 +1084,26 @@ export function ChatBar({
     return true
   }, [activeQueueSessionKey, attachments, clearDraft, draft])
 
+  // Steer the live turn (nudge without interrupting). Clears the draft up front
+  // for snappy feedback; if the gateway rejects (no live tool window) the words
+  // are re-queued so nothing is lost — same safety net as a plain queue.
+  const steerDraft = useCallback(() => {
+    if (!onSteer || !canSteer) {
+      return
+    }
+
+    const text = draftRef.current.trim()
+
+    triggerHaptic('submit')
+    clearDraft()
+
+    void Promise.resolve(onSteer(text)).then(accepted => {
+      if (!accepted && activeQueueSessionKey) {
+        enqueueQueuedPrompt(activeQueueSessionKey, { text, attachments: [] })
+      }
+    })
+  }, [activeQueueSessionKey, canSteer, clearDraft, onSteer])
+
   // All queue drain paths share one lock + send-then-remove sequence.
   // `pickEntry` lets each caller choose head, by-id, or skip-edited.
   const runDrain = useCallback(
@@ -1305,6 +1339,7 @@ export function ChatBar({
     <ComposerControls
       busy={busy}
       busyAction={busyAction}
+      canSteer={canSteer}
       canSubmit={canSubmit}
       conversation={{
         active: voiceConversationActive,
@@ -1322,6 +1357,7 @@ export function ChatBar({
       disabled={disabled}
       hasComposerPayload={hasComposerPayload}
       onDictate={dictate}
+      onSteer={steerDraft}
       state={state}
       voiceStatus={voiceStatus}
     />
diff --git a/apps/desktop/src/app/chat/composer/types.ts b/apps/desktop/src/app/chat/composer/types.ts
index 524667e95f8..36b3b8e6d3d 100644
--- a/apps/desktop/src/app/chat/composer/types.ts
+++ b/apps/desktop/src/app/chat/composer/types.ts
@@ -47,6 +47,7 @@ export interface ChatBarProps {
   onPickFolders?: () => void
   onPickImages?: () => void
   onRemoveAttachment?: (id: string) => void
+  onSteer?: (text: string) => Promise<boolean> | boolean
   onSubmit: (
     value: string,
     options?: { attachments?: ComposerAttachment[]; fromQueue?: boolean }
diff --git a/apps/desktop/src/app/chat/index.tsx b/apps/desktop/src/app/chat/index.tsx
index ec8f9df3f27..572e1360a2c 100644
--- a/apps/desktop/src/app/chat/index.tsx
+++ b/apps/desktop/src/app/chat/index.tsx
@@ -72,6 +72,7 @@ interface ChatViewProps extends Omit<React.ComponentProps<'div'>, 'onSubmit'> {
   onPickFolders: () => void
   onPickImages: () => void
   onRemoveAttachment: (id: string) => void
+  onSteer: (text: string) => Promise<boolean> | boolean
   onSubmit: (
     text: string,
     options?: { attachments?: ComposerAttachment[]; fromQueue?: boolean }
@@ -164,6 +165,7 @@ export function ChatView({
   onPickFolders,
   onPickImages,
   onRemoveAttachment,
+  onSteer,
   onSubmit,
   onThreadMessagesChange,
   onEdit,
@@ -370,6 +372,7 @@ export function ChatView({
                 onPickFolders={onPickFolders}
                 onPickImages={onPickImages}
                 onRemoveAttachment={onRemoveAttachment}
+                onSteer={onSteer}
                 onSubmit={onSubmit}
                 onTranscribeAudio={onTranscribeAudio}
                 queueSessionKey={selectedSessionId || activeSessionId}
diff --git a/apps/desktop/src/app/desktop-controller.tsx b/apps/desktop/src/app/desktop-controller.tsx
index 841c9583669..5aead511323 100644
--- a/apps/desktop/src/app/desktop-controller.tsx
+++ b/apps/desktop/src/app/desktop-controller.tsx
@@ -569,8 +569,15 @@ export function DesktopController() {
 
   const handleSkinCommand = useSkinCommand()
 
-  const { cancelRun, editMessage, handleThreadMessagesChange, reloadFromMessage, submitText, transcribeVoiceAudio } =
-    usePromptActions({
+  const {
+    cancelRun,
+    editMessage,
+    handleThreadMessagesChange,
+    reloadFromMessage,
+    steerPrompt,
+    submitText,
+    transcribeVoiceAudio
+  } = usePromptActions({
       activeSessionId,
       activeSessionIdRef,
       branchCurrentSession: branchInNewChat,
@@ -748,6 +755,7 @@ export function DesktopController() {
       onPickImages={() => void composer.pickImages()}
       onReload={reloadFromMessage}
       onRemoveAttachment={id => void composer.removeAttachment(id)}
+      onSteer={steerPrompt}
       onSubmit={submitText}
       onThreadMessagesChange={handleThreadMessagesChange}
       onToggleSelectedPin={toggleSelectedPin}
diff --git a/apps/desktop/src/app/session/hooks/use-prompt-actions.test.tsx b/apps/desktop/src/app/session/hooks/use-prompt-actions.test.tsx
index 63446046f39..1c9bb1053f0 100644
--- a/apps/desktop/src/app/session/hooks/use-prompt-actions.test.tsx
+++ b/apps/desktop/src/app/session/hooks/use-prompt-actions.test.tsx
@@ -41,6 +41,7 @@ function sessionInfo(overrides: Partial<SessionInfo> = {}): SessionInfo {
 }
 
 interface HarnessHandle {
+  steerPrompt: (text: string) => Promise<boolean>
   submitText: (text: string, options?: { attachments?: never[]; fromQueue?: boolean }) => Promise<boolean>
 }
 
@@ -88,8 +89,8 @@ function Harness({
   })
 
   useEffect(() => {
-    onReady({ submitText: actions.submitText })
-  }, [actions.submitText, onReady])
+    onReady({ steerPrompt: actions.steerPrompt, submitText: actions.submitText })
+  }, [actions.steerPrompt, actions.submitText, onReady])
 
   return null
 }
@@ -259,3 +260,57 @@ describe('usePromptActions submit / queue drain semantics', () => {
     expect(requestGateway).not.toHaveBeenCalledWith('prompt.submit', expect.anything())
   })
 })
+
+describe('usePromptActions steerPrompt', () => {
+  afterEach(() => {
+    cleanup()
+    vi.restoreAllMocks()
+  })
+
+  it('injects the trimmed text via session.steer and reports acceptance on a queued status', async () => {
+    const requestGateway = vi.fn(async () => ({ status: 'queued' }) as never)
+
+    let handle: HarnessHandle | null = null
+    render(<Harness onReady={h => (handle = h)} refreshSessions={async () => undefined} requestGateway={requestGateway} />)
+
+    const accepted = await handle!.steerPrompt('  nudge the run  ')
+
+    expect(accepted).toBe(true)
+    // Steer never starts a turn — it rides the live run via session.steer only.
+    expect(requestGateway).toHaveBeenCalledWith('session.steer', {
+      session_id: RUNTIME_SESSION_ID,
+      text: 'nudge the run'
+    })
+    expect(requestGateway).not.toHaveBeenCalledWith('prompt.submit', expect.anything())
+  })
+
+  it('reports rejection (so the caller queues) when the gateway has no live tool window', async () => {
+    const requestGateway = vi.fn(async () => ({ status: 'rejected' }) as never)
+
+    let handle: HarnessHandle | null = null
+    render(<Harness onReady={h => (handle = h)} refreshSessions={async () => undefined} requestGateway={requestGateway} />)
+
+    expect(await handle!.steerPrompt('too late')).toBe(false)
+  })
+
+  it('reports rejection (never throws) when the steer RPC errors', async () => {
+    const requestGateway = vi.fn(async () => {
+      throw new Error('agent does not support steer')
+    })
+
+    let handle: HarnessHandle | null = null
+    render(<Harness onReady={h => (handle = h)} refreshSessions={async () => undefined} requestGateway={requestGateway} />)
+
+    expect(await handle!.steerPrompt('boom')).toBe(false)
+  })
+
+  it('skips the RPC entirely for empty text', async () => {
+    const requestGateway = vi.fn(async () => ({ status: 'queued' }) as never)
+
+    let handle: HarnessHandle | null = null
+    render(<Harness onReady={h => (handle = h)} refreshSessions={async () => undefined} requestGateway={requestGateway} />)
+
+    expect(await handle!.steerPrompt('   ')).toBe(false)
+    expect(requestGateway).not.toHaveBeenCalled()
+  })
+})
diff --git a/apps/desktop/src/app/session/hooks/use-prompt-actions.ts b/apps/desktop/src/app/session/hooks/use-prompt-actions.ts
index ba5d4051228..9749eb59624 100644
--- a/apps/desktop/src/app/session/hooks/use-prompt-actions.ts
+++ b/apps/desktop/src/app/session/hooks/use-prompt-actions.ts
@@ -41,7 +41,13 @@ import {
   setYoloActive
 } from '@/store/session'
 
-import type { ClientSessionState, ImageAttachResponse, SessionTitleResponse, SlashExecResponse } from '../../types'
+import type {
+  ClientSessionState,
+  ImageAttachResponse,
+  SessionSteerResponse,
+  SessionTitleResponse,
+  SlashExecResponse
+} from '../../types'
 
 function blobToDataUrl(blob: Blob): Promise<string> {
   return new Promise((resolve, reject) => {
@@ -743,6 +749,37 @@ export function usePromptActions({
     }
   }, [activeSessionId, activeSessionIdRef, busyRef, requestGateway, updateSessionState])
 
+  // Steer = nudge the live turn without interrupting: the gateway appends the
+  // text to the next tool result so the model reads it on its next iteration
+  // (desktop parity with `/steer`). Returns false on reject (no live tool
+  // window) so the caller can fall back to queueing the words for the next turn.
+  const steerPrompt = useCallback(
+    async (rawText: string): Promise<boolean> => {
+      const text = rawText.trim()
+      const sessionId = activeSessionId || activeSessionIdRef.current
+
+      if (!text || !sessionId) {
+        return false
+      }
+
+      try {
+        const result = await requestGateway<SessionSteerResponse>('session.steer', { session_id: sessionId, text })
+
+        if (result?.status === 'queued') {
+          triggerHaptic('submit')
+          notify({ kind: 'success', title: 'Steered', message: text })
+
+          return true
+        }
+      } catch {
+        // Swallow — caller queues the text so nothing is lost.
+      }
+
+      return false
+    },
+    [activeSessionId, activeSessionIdRef, requestGateway]
+  )
+
   const reloadFromMessage = useCallback(
     async (parentId: string | null) => {
       if (!activeSessionId || $busy.get()) {
@@ -926,5 +963,13 @@ export function usePromptActions({
     [activeSessionIdRef, updateSessionState]
   )
 
-  return { cancelRun, editMessage, handleThreadMessagesChange, reloadFromMessage, submitText, transcribeVoiceAudio }
+  return {
+    cancelRun,
+    editMessage,
+    handleThreadMessagesChange,
+    reloadFromMessage,
+    steerPrompt,
+    submitText,
+    transcribeVoiceAudio
+  }
 }
diff --git a/apps/desktop/src/app/types.ts b/apps/desktop/src/app/types.ts
index 1ad9e3be9f3..bc4495f3525 100644
--- a/apps/desktop/src/app/types.ts
+++ b/apps/desktop/src/app/types.ts
@@ -25,6 +25,13 @@ export interface SlashExecResponse {
   warning?: string
 }
 
+export interface SessionSteerResponse {
+  // 'queued' == accepted into the live turn's steer slot (injected at the next
+  // tool-result boundary); 'rejected' == no live tool window, caller queues.
+  status?: 'queued' | 'rejected'
+  text?: string
+}
+
 export interface SessionTitleResponse {
   title?: string
   // True when the session row isn't persisted yet and the title was queued
diff --git a/apps/desktop/src/i18n/en.ts b/apps/desktop/src/i18n/en.ts
index c4b56da42c3..19709a8e3da 100644
--- a/apps/desktop/src/i18n/en.ts
+++ b/apps/desktop/src/i18n/en.ts
@@ -650,6 +650,7 @@ export const en: Translations = {
     ],
     startVoice: 'Start voice conversation',
     queueMessage: 'Queue message',
+    steer: 'Steer the current run (⌘⏎)',
     stop: 'Stop',
     send: 'Send',
     speaking: 'Speaking',
diff --git a/apps/desktop/src/i18n/types.ts b/apps/desktop/src/i18n/types.ts
index 9ff12175fd8..8a1c94b52f3 100644
--- a/apps/desktop/src/i18n/types.ts
+++ b/apps/desktop/src/i18n/types.ts
@@ -548,6 +548,7 @@ export interface Translations {
     followUpPlaceholders: readonly string[]
     startVoice: string
     queueMessage: string
+    steer: string
     stop: string
     send: string
     speaking: string
diff --git a/apps/desktop/src/i18n/zh.ts b/apps/desktop/src/i18n/zh.ts
index bc54bb2408f..3df3efadef4 100644
--- a/apps/desktop/src/i18n/zh.ts
+++ b/apps/desktop/src/i18n/zh.ts
@@ -779,6 +779,7 @@ export const zh: Translations = {
     ],
     startVoice: '开始语音对话',
     queueMessage: '排队消息',
+    steer: '引导当前运行 (⌘⏎)',
     stop: '停止',
     send: '发送',
     speaking: '讲话中',
diff --git a/apps/desktop/src/lib/icons.ts b/apps/desktop/src/lib/icons.ts
index fe2d41693a5..729dde84aa2 100644
--- a/apps/desktop/src/lib/icons.ts
+++ b/apps/desktop/src/lib/icons.ts
@@ -83,6 +83,7 @@ import {
   IconAdjustmentsHorizontal as SlidersHorizontal,
   IconSparkles as Sparkles,
   IconSquare as Square,
+  IconSteeringWheel as SteeringWheel,
   IconSun as Sun,
   IconTerminal2 as Terminal,
   IconTrash as Trash2,
@@ -183,6 +184,7 @@ export {
   SlidersHorizontal,
   Sparkles,
   Square,
+  SteeringWheel,
   Sun,
   Terminal,
   Trash2,