feat(desktop): restart the gateway from Cmd+K, with statusbar spinner feedback

Add a shared runGatewayRestart() (store/system-actions.ts) and wire it to a
new Cmd+K "Restart gateway" action. While a restart is in flight the
statusbar "Gateway" item swaps its icon for the TUI glyph spinner and reads
"restarting…", returning to its real state on completion — driven by a
$gatewayRestarting atom, not a transient toast or the generic "Agents
running" counter. The helper owns its error handling so fire-and-forget
callers can't leak an unhandled rejection; only a failure toasts.

apps/desktop/src/app/command-palette/index.tsx

@@ -30,6 +30,7 @@ import {
   Package,
   Palette,
   Plus,
+  RefreshCw,
   Settings,
   Settings2,
   Sun,
@@ -41,6 +42,7 @@ import {
 import { cn } from '@/lib/utils'
 import { $commandPaletteOpen, closeCommandPalette, setCommandPaletteOpen } from '@/store/command-palette'
 import { $bindings } from '@/store/keybinds'
+import { runGatewayRestart } from '@/store/system-actions'
 import { luminance } from '@/themes/color'
 import { type ThemeMode, useTheme } from '@/themes/context'
 import { isUserTheme, resolveTheme } from '@/themes/user-themes'
@@ -360,6 +362,13 @@ export function CommandPalette() {
             keywords: ['command center', 'usage', 'tokens', 'cost'],
             label: cc.sections.usage,
             run: go(`${COMMAND_CENTER_ROUTE}?section=usage`)
+          },
+          {
+            icon: RefreshCw,
+            id: 'cc-restart-gateway',
+            keywords: ['gateway', 'restart', 'messaging', 'reconnect', 'system'],
+            label: cc.restartGateway,
+            run: () => void runGatewayRestart()
           }
         ]
       },

apps/desktop/src/app/shell/hooks/use-statusbar-items.tsx

@@ -4,6 +4,7 @@ import { useCallback, useMemo } from 'react'
 import type { CommandCenterSection } from '@/app/command-center'
 import { $terminalTakeover, setTerminalTakeover } from '@/app/right-sidebar/store'
 import { GatewayMenuPanel } from '@/app/shell/gateway-menu-panel'
+import { GlyphSpinner } from '@/components/ui/glyph-spinner'
 import { useI18n } from '@/i18n'
 import {
   Activity,
@@ -35,6 +36,7 @@ import {
   setYoloActive
 } from '@/store/session'
 import { $subagentsBySession, activeSubagentCount } from '@/store/subagents'
+import { $gatewayRestarting } from '@/store/system-actions'
 import {
   $backendUpdateApply,
   $backendUpdateStatus,
@@ -89,6 +91,7 @@ export function useStatusbarItems({
   const busy = useStore($busy)
   const currentUsage = useStore($currentUsage)
   const desktopActionTasks = useStore($desktopActionTasks)
+  const gatewayRestarting = useStore($gatewayRestarting)
   const previewServerRestartStatus = useStore($previewServerRestartStatus)
   const sessionStartedAt = useStore($sessionStartedAt)
   const turnStartedAt = useStore($turnStartedAt)
@@ -299,9 +302,15 @@ export function useStatusbarItems({
         variant: 'action'
       },
       {
-        className: gatewayClassName,
-        detail: gatewayDetail,
-        icon: inferenceReady ? <Activity className="size-3" /> : <AlertCircle className="size-3" />,
+        className: gatewayRestarting ? undefined : gatewayClassName,
+        detail: gatewayRestarting ? copy.gatewayRestarting : gatewayDetail,
+        icon: gatewayRestarting ? (
+          <GlyphSpinner ariaLabel={copy.gatewayRestarting} className="size-3" />
+        ) : inferenceReady ? (
+          <Activity className="size-3" />
+        ) : (
+          <AlertCircle className="size-3" />
+        ),
         id: 'gateway-health',
         label: copy.gateway,
         menuClassName: 'w-72',
@@ -354,6 +363,7 @@ export function useStatusbarItems({
       gatewayMenuContent,
       gatewayClassName,
       gatewayDetail,
+      gatewayRestarting,
       inferenceReady,
       inferenceStatus?.reason,
       openAgents,

apps/desktop/src/i18n/en.ts

@@ -762,6 +762,7 @@ export const en: Translations = {
     gatewayStopped: 'Messaging gateway stopped',
     hermesActiveSessions: (version, count) => `Hermes ${version} · Active sessions ${count}`,
     restartGateway: 'Restart gateway',
+    gatewayRestartFailed: 'Gateway restart failed.',
     updateHermes: 'Update Hermes',
     actionRunning: 'running',
     actionDone: 'done',
@@ -1587,6 +1588,7 @@ export const en: Translations = {
       gatewayChecking: 'checking',
       gatewayConnecting: 'connecting',
       gatewayOffline: 'offline',
+      gatewayRestarting: 'restarting…',
       gatewayTitle: 'Hermes inference gateway status',
       agents: 'Agents',
       closeAgents: 'Close agents',

apps/desktop/src/i18n/ja.ts

@@ -882,6 +882,7 @@ export const ja = defineLocale({
     gatewayStopped: 'メッセージングゲートウェイが停止中',
     hermesActiveSessions: (version, count) => `Hermes ${version} · アクティブセッション ${count}`,
     restartGateway: 'ゲートウェイを再起動',
+    gatewayRestartFailed: 'ゲートウェイの再起動に失敗しました。',
     updateHermes: 'Hermes を更新',
     actionRunning: '実行中',
     actionDone: '完了',
@@ -1717,6 +1718,7 @@ export const ja = defineLocale({
       gatewayChecking: '確認中',
       gatewayConnecting: '接続中',
       gatewayOffline: 'オフライン',
+      gatewayRestarting: '再起動中…',
       gatewayTitle: 'Hermes 推論ゲートウェイのステータス',
       agents: 'エージェント',
       closeAgents: 'エージェントを閉じる',

apps/desktop/src/i18n/types.ts

@@ -626,6 +626,7 @@ export interface Translations {
     gatewayStopped: string
     hermesActiveSessions: (version: string, count: number) => string
     restartGateway: string
+    gatewayRestartFailed: string
     updateHermes: string
     actionRunning: string
     actionDone: string
@@ -1229,6 +1230,7 @@ export interface Translations {
       gatewayChecking: string
       gatewayConnecting: string
       gatewayOffline: string
+      gatewayRestarting: string
       gatewayTitle: string
       agents: string
       closeAgents: string

apps/desktop/src/i18n/zh-hant.ts

@@ -855,6 +855,7 @@ export const zhHant = defineLocale({
     gatewayStopped: '訊息閘道已停止',
     hermesActiveSessions: (version, count) => `Hermes ${version} · 活躍工作階段 ${count}`,
     restartGateway: '重新啟動閘道',
+    gatewayRestartFailed: '閘道重新啟動失敗。',
     updateHermes: '更新 Hermes',
     actionRunning: '執行中',
     actionDone: '完成',
@@ -1661,6 +1662,7 @@ export const zhHant = defineLocale({
       gatewayChecking: '檢查中',
       gatewayConnecting: '連線中',
       gatewayOffline: '離線',
+      gatewayRestarting: '重新啟動中…',
       gatewayTitle: 'Hermes 推論閘道狀態',
       agents: '代理',
       closeAgents: '關閉代理',

apps/desktop/src/i18n/zh.ts

@@ -952,6 +952,7 @@ export const zh: Translations = {
     gatewayStopped: '消息网关已停止',
     hermesActiveSessions: (version, count) => `Hermes ${version} · 活跃会话 ${count}`,
     restartGateway: '重启网关',
+    gatewayRestartFailed: '网关重启失败。',
     updateHermes: '更新 Hermes',
     actionRunning: '运行中',
     actionDone: '完成',
@@ -1767,6 +1768,7 @@ export const zh: Translations = {
       gatewayChecking: '检查中',
       gatewayConnecting: '连接中',
       gatewayOffline: '离线',
+      gatewayRestarting: '重启中…',
       gatewayTitle: 'Hermes 推理网关状态',
       agents: '代理',
       closeAgents: '关闭代理',

apps/desktop/src/store/system-actions.ts

@@ -0,0 +1,48 @@
+import { atom } from 'nanostores'
+
+import { getActionStatus, restartGateway } from '@/hermes'
+import { translateNow } from '@/i18n'
+import { notifyError } from '@/store/notifications'
+import type { ActionResponse } from '@/types/hermes'
+
+const POLL_ATTEMPTS = 18
+const POLL_INTERVAL_MS = 1200
+const POLL_TIMEOUT_S = 180
+
+// True while a gateway restart is in flight — drives the statusbar gateway
+// indicator (glyph spinner) so the restart shows up where users already look,
+// instead of a toast that vanishes or a generic "Agents running" counter.
+export const $gatewayRestarting = atom(false)
+
+// Poll a backend action to completion (or a bounded window), throwing on a
+// non-zero exit so the caller can surface the failure.
+async function awaitAction(started: ActionResponse): Promise<void> {
+  for (let attempt = 0; attempt < POLL_ATTEMPTS; attempt += 1) {
+    await new Promise(resolve => window.setTimeout(resolve, POLL_INTERVAL_MS))
+    const status = await getActionStatus(started.name, POLL_TIMEOUT_S)
+
+    if (!status.running) {
+      if (status.exit_code != null && status.exit_code !== 0) {
+        throw new Error(translateNow('commandCenter.gatewayRestartFailed'))
+      }
+
+      return
+    }
+  }
+}
+
+// Restart the messaging gateway, surfacing progress in the statusbar gateway
+// indicator. Self-contained and never rejects, so every trigger — Cmd+K, the
+// messaging save/toggle toasts — gets identical feedback from a plain
+// `void runGatewayRestart()`, and a failure is the only thing that toasts.
+export async function runGatewayRestart(): Promise<void> {
+  $gatewayRestarting.set(true)
+
+  try {
+    await awaitAction(await restartGateway())
+  } catch (err) {
+    notifyError(err, translateNow('commandCenter.gatewayRestartFailed'))
+  } finally {
+    $gatewayRestarting.set(false)
+  }
+}