fix(wake): route desktop control and select input devices

apps/desktop/src/app/session/hooks/use-prompt-actions/index.test.tsx

@@ -22,6 +22,7 @@ import {
   setSessions
 } from '@/store/session'
 import { dropSessionState, publishSessionState } from '@/store/session-states'
+import { $wakeWord, resetWakeWordState } from '@/store/wake-word'
 import type { SessionInfo } from '@/types/hermes'
 
 import type { SubmitTextOptions } from './utils'
@@ -427,6 +428,110 @@ describe('usePromptActions slash session targeting', () => {
   })
 })
 
+describe('usePromptActions /wake', () => {
+  beforeEach(() => {
+    setSessions(() => [sessionInfo()])
+    resetWakeWordState()
+  })
+
+  afterEach(() => {
+    cleanup()
+    resetWakeWordState()
+    vi.restoreAllMocks()
+  })
+
+  it('starts the GUI-owned listener through wake.start and never spawns the slash worker', async () => {
+    const seeds: Record<string, unknown>[] = []
+
+    const requestGateway = vi.fn(async (method: string, _params?: Record<string, unknown>, _timeoutMs?: number) => {
+      if (method === 'wake.start') {
+        return {
+          owner_surface: 'gui',
+          phrase: 'hey hermes',
+          provider: 'openwakeword',
+          started: true
+        } as never
+      }
+
+      if (method === 'wake.status') {
+        return {
+          available: true,
+          configured_surface: 'gui',
+          enabled: true,
+          input_device: {
+            hostapi: 'Windows WASAPI',
+            name: 'Microphone Array',
+            selector: 'Microphone Array'
+          },
+          listening: true,
+          owner_surface: 'gui',
+          phrase: 'hey hermes',
+          provider: 'openwakeword'
+        } as never
+      }
+
+      return {} as never
+    })
+
+    let handle: HarnessHandle | null = null
+    await actRender(
+      <Harness
+        onReady={h => (handle = h)}
+        onSeedState={state => seeds.push(state)}
+        refreshSessions={async () => undefined}
+        requestGateway={requestGateway}
+      />
+    )
+
+    await handle!.submitText('/wake on')
+
+    expect(requestGateway).toHaveBeenCalledWith('wake.start', { persist: true, surface: 'gui' }, 180_000)
+    expect(requestGateway).toHaveBeenCalledWith('wake.status', {})
+    expect(requestGateway).not.toHaveBeenCalledWith('slash.exec', expect.anything())
+    expect(requestGateway).not.toHaveBeenCalledWith('command.dispatch', expect.anything())
+    expect($wakeWord.get()).toMatchObject({ available: true, enabled: true, listening: true })
+    expect(renderedSeedTexts(seeds).join('\n')).toContain('Input: Microphone Array (Windows WASAPI)')
+  })
+
+  it('uses gateway truth for a bare toggle and stops through wake.stop', async () => {
+    let statusCalls = 0
+
+    const requestGateway = vi.fn(async (method: string) => {
+      if (method === 'wake.status') {
+        statusCalls += 1
+
+        return {
+          available: true,
+          enabled: statusCalls === 1,
+          listening: statusCalls === 1,
+          owner_surface: statusCalls === 1 ? 'gui' : null,
+          phrase: 'hey hermes',
+          provider: 'openwakeword'
+        } as never
+      }
+
+      if (method === 'wake.stop') {
+        return { disabled_persisted: true, stopped: true } as never
+      }
+
+      return {} as never
+    })
+
+    let handle: HarnessHandle | null = null
+    await actRender(
+      <Harness onReady={h => (handle = h)} refreshSessions={async () => undefined} requestGateway={requestGateway} />
+    )
+
+    await handle!.submitText('/wake')
+
+    expect(requestGateway.mock.calls.map(([method]) => method)).toEqual(['wake.status', 'wake.stop', 'wake.status'])
+    expect(requestGateway).toHaveBeenCalledWith('wake.stop', { persist: true })
+    expect(requestGateway).not.toHaveBeenCalledWith('slash.exec', expect.anything())
+    expect(requestGateway).not.toHaveBeenCalledWith('command.dispatch', expect.anything())
+    expect($wakeWord.get()).toMatchObject({ enabled: false, listening: false })
+  })
+})
+
 describe('usePromptActions /compress', () => {
   beforeEach(() => {
     setSessions(() => [sessionInfo()])

apps/desktop/src/app/session/hooks/use-prompt-actions/slash.ts

@@ -36,6 +36,15 @@ import {
   setYoloActive
 } from '@/store/session'
 import { $sessionStates } from '@/store/session-states'
+import {
+  applyWakeStartResult,
+  applyWakeStatus,
+  applyWakeStopResult,
+  type WakeInputDeviceStatus,
+  type WakeStartResponse,
+  type WakeStatusResponse,
+  type WakeStopResponse
+} from '@/store/wake-word'
 
 import type {
   BrowserManageResponse,
@@ -60,6 +69,43 @@ import {
 // default WS request timeout on large sessions — give it the TUI client's
 // 120s RPC budget (HERMES_TUI_RPC_TIMEOUT_MS default) instead.
 const SESSION_COMPRESS_TIMEOUT_MS = 120_000
+const WAKE_START_TIMEOUT_MS = 180_000
+
+const wakeDeviceLabel = (device?: WakeInputDeviceStatus): string => {
+  if (!device) {
+    return 'system default'
+  }
+
+  const selector = device.selector
+  const name = device.name?.trim() || (selector == null ? 'system default' : String(selector))
+
+  return device.hostapi?.trim() ? `${name} (${device.hostapi.trim()})` : name
+}
+
+const renderWakeStatus = (status: WakeStatusResponse): string => {
+  const lines = [
+    'Wake Word Status',
+    `State: ${status.listening ? 'LISTENING' : 'OFF'}`,
+    `Phrase: "${status.phrase?.trim() || 'hey hermes'}"`,
+    `Provider: ${status.provider?.trim() || 'unknown'}`,
+    `Surface: ${status.owner_surface?.trim() || status.configured_surface?.trim() || 'auto'}`,
+    `Input: ${wakeDeviceLabel(status.input_device)}`
+  ]
+
+  if (status.audio_silent) {
+    lines.push('Audio: silent')
+  }
+
+  if (status.input_device?.error?.trim()) {
+    lines.push(`Input error: ${status.input_device.error.trim()}`)
+  }
+
+  if (status.hint?.trim()) {
+    lines.push(`Hint: ${status.hint.trim()}`)
+  }
+
+  return lines.join('\n')
+}
 
 /** Everything a slash handler needs about the invocation it's serving. */
 interface SlashActionCtx {
@@ -592,6 +638,67 @@ export function useSlashCommand(deps: SlashCommandDeps) {
             notify({ kind: 'error', title: copy.yoloTitle, message: copy.yoloToggleFailed })
           }
         },
+        // /wake must stay in the gateway process that owns the Desktop wake
+        // lease. Sending it through slash.exec creates a separate HermesCLI in
+        // the slash worker, which can claim the machine-wide microphone lock
+        // while the Desktop UI still reports the GUI listener as off.
+        wake: async ctx => {
+          const resolved = await withSlashOutput(ctx)
+
+          if (!resolved) {
+            return
+          }
+
+          const { render: renderSlashOutput } = resolved
+          const requested = ctx.arg.trim().toLowerCase()
+
+          if (requested && !['on', 'off', 'status'].includes(requested)) {
+            renderSlashOutput('usage: /wake [on|off|status]')
+
+            return
+          }
+
+          const status = async (): Promise<WakeStatusResponse> => {
+            const current = await requestGateway<WakeStatusResponse>('wake.status', {})
+            applyWakeStatus(current)
+
+            return current
+          }
+
+          try {
+            let action = requested
+
+            // Bare /wake is an authoritative toggle. Query the gateway instead
+            // of trusting a potentially stale renderer cache.
+            if (!action) {
+              action = (await status()).listening ? 'off' : 'on'
+            }
+
+            if (action === 'on') {
+              const started = await requestGateway<WakeStartResponse>(
+                'wake.start',
+                { persist: true, surface: 'gui' },
+                WAKE_START_TIMEOUT_MS
+              )
+
+              applyWakeStartResult(started)
+
+              if (!started?.started) {
+                renderSlashOutput(
+                  `Failed to start wake word: ${started?.hint?.trim() || started?.reason?.trim() || 'unknown error'}`
+                )
+
+                return
+              }
+            } else if (action === 'off') {
+              applyWakeStopResult(await requestGateway<WakeStopResponse>('wake.stop', { persist: true }))
+            }
+
+            renderSlashOutput(renderWakeStatus(await status()))
+          } catch (err) {
+            renderSlashOutput(`error: ${err instanceof Error ? err.message : String(err)}`)
+          }
+        },
         // /handoff hands this session to a messaging platform. The platform is
         // completed inline in the slash popover (backend _handoff_completions),
         // so there is no overlay: `/handoff <platform>` runs the desktop's own

apps/desktop/src/lib/desktop-slash-commands.test.ts

@@ -75,6 +75,14 @@ describe('desktop slash command curation', () => {
     expect(isDesktopSlashCommand('/pets')).toBe(false)
   })
 
+  it('routes /wake through the desktop wake action instead of the slash worker', () => {
+    expect(resolveDesktopCommand('/wake')?.surface).toEqual({ kind: 'action', action: 'wake' })
+    expect(desktopSlashCommandArgumentMode('/wake')).toBe('options')
+    expect(isDesktopSlashSuggestion('/wake')).toBe(true)
+    expect(isDesktopSlashCommand('/wake')).toBe(true)
+    expect(desktopSlashUnavailableMessage('/wake')).toBeNull()
+  })
+
   it('treats /browser as an executable action command (local-gateway connect)', () => {
     // /browser used to be terminal-only; it now resolves to a desktop action
     // handler that routes browser.manage RPC when the gateway is local.

apps/desktop/src/lib/desktop-slash-commands.ts

@@ -56,6 +56,7 @@ export type DesktopActionId =
   | 'profile'
   | 'skin'
   | 'title'
+  | 'wake'
   | 'yolo'
 
 /** A command fulfilled by opening a desktop overlay picker. */
@@ -168,6 +169,12 @@ const DESKTOP_COMMAND_SPECS: readonly DesktopCommandSpec[] = [
     surface: action('branch')
   },
   { name: '/yolo', description: 'Toggle YOLO — auto-approve dangerous commands', surface: action('yolo') },
+  {
+    name: '/wake',
+    description: 'Control the desktop wake-word listener [on|off|status]',
+    surface: action('wake'),
+    argumentMode: 'options'
+  },
   {
     name: '/handoff',
     description: 'Hand off this session to a messaging platform',

apps/desktop/src/store/wake-word.ts

@@ -34,12 +34,14 @@ const INITIAL_WAKE_WORD_STATE: WakeWordState = {
 export const $wakeWord = atom<WakeWordState>(INITIAL_WAKE_WORD_STATE)
 
 export interface WakeStatusResponse {
-  /** Armed but the mic delivers only silence (macOS backend-permission gap). */
+  /** Armed but the selected backend input delivers only silence. */
   audio_silent?: boolean
   available?: boolean
+  configured_surface?: string
   /** Config truth (wake_word.enabled) — drives post-voice re-arm. */
   enabled?: boolean
   hint?: string
+  input_device?: WakeInputDeviceStatus
   listening?: boolean
   owned_by_caller?: boolean
   owner_surface?: string | null
@@ -63,6 +65,16 @@ export interface WakeStopResponse {
   stopped?: boolean
 }
 
+export interface WakeInputDeviceStatus {
+  default_samplerate?: number
+  error?: string
+  hostapi?: string
+  hostapi_index?: number
+  max_input_channels?: number
+  name?: string
+  selector?: number | string | null
+}
+
 /** Minimal requester shape — satisfied by both `useGatewayRequest`'s
  *  `requestGateway` and the `$gateway` instance wrapper below. */
 export type WakeRequester = <T>(method: string, params?: Record<string, unknown>) => Promise<T>
@@ -111,8 +123,8 @@ const noticeFrom = (result: { hint?: string; reason?: string | null } | null | u
 export function applyWakeStatus(status: WakeStatusResponse | null | undefined): void {
   const current = $wakeWord.get()
   const listening = Boolean(status?.listening)
-  // "Armed but deaf" (macOS backend without mic permission) keeps its hint
-  // visible in the tooltip even though the toggle shows listening.
+  // "Armed but deaf" keeps its input-device hint visible in the tooltip even
+  // though the toggle shows listening.
   const silent = Boolean(status?.audio_silent)
 
   $wakeWord.set({