feat(ui): global Ctrl+K / Ctrl+N shortcuts with sidebar hint

mateclaw-ui/src/i18n/locales/en-US.ts

@@ -400,6 +400,9 @@ export default {
     appearance: 'Appearance & Language',
     roleUser: 'User',
     roleAdmin: 'Admin',
+    shortcutAgents: 'Agents',
+    shortcutNew: 'New',
+    shortcutsHint: 'Ctrl+K {agents} | Ctrl+N {newAction}',
   },
   notifications: {
     pendingApprovals: '{n} tool call(s) pending approval',

mateclaw-ui/src/i18n/locales/zh-CN.ts

@@ -400,6 +400,9 @@ export default {
     appearance: '外观与语言',
     roleUser: '用户',
     roleAdmin: '管理员',
+    shortcutAgents: '智能体',
+    shortcutNew: '新建',
+    shortcutsHint: 'Ctrl+K {agents} | Ctrl+N {newAction}',
   },
   // Issue #81: provider-level hint / status text shared across chat popup and ModelSelector.
   provider: {

mateclaw-ui/src/views/ChatConsole.vue

@@ -1153,7 +1153,7 @@ onMounted(async () => {
   mediumQuery.addEventListener('change', handleConvMediumChange)
   await Promise.all([loadAgents(), loadModelState(), loadConversations()])
   await hydrateStateFromRoute()
-  consumeRouteAction()
+  applyPendingRouteAction()
   activityPollTimer = window.setInterval(pollActivity, ACTIVITY_POLL_MS)
   elapsedTickTimer = window.setInterval(() => {
     if (activeCronRuns.value.length > 0) elapsedNow.value = Date.now()
@@ -1186,8 +1186,11 @@ onBeforeUnmount(() => {
 })
 
 watch(() => route.query, () => {
+  // If a fresh action arrives (e.g. user re-fires Ctrl+K via the URL while
+  // the view is already alive), pick it up immediately.
+  captureRouteAction()
+  if (pendingRouteAction) applyPendingRouteAction()
   void hydrateStateFromRoute()
-  consumeRouteAction()
 })
 
 watch([selectedAgentId, currentConversationId], () => {

mateclaw-ui/src/views/layout/MainLayout.vue

@@ -126,6 +126,14 @@
               <el-icon :size="16"><SwitchButton /></el-icon>
             </button>
           </div>
+
+          <div class="shortcuts-hint" :title="shortcutsHintText">
+            <kbd>Ctrl+K</kbd>
+            <span>{{ t('nav.shortcutAgents') }}</span>
+            <span class="shortcuts-hint__sep">|</span>
+            <kbd>Ctrl+N</kbd>
+            <span>{{ t('nav.shortcutNew') }}</span>
+          </div>
         </template>
 
         <template v-else>
@@ -250,6 +258,41 @@ function handleMediumChange(e: MediaQueryListEvent | MediaQueryList) {
   }
 }
 
+type ChatShortcutAction = 'newChat' | 'selectAgent'
+
+const shortcutsHintText = computed(() =>
+  `Ctrl+K ${t('nav.shortcutAgents')} | Ctrl+N ${t('nav.shortcutNew')}`,
+)
+
+function fireChatShortcut(action: ChatShortcutAction) {
+  if (route.path === '/chat') {
+    window.dispatchEvent(new CustomEvent('mc:chat-shortcut', { detail: action }))
+  } else {
+    router.push({ path: '/chat', query: { action } })
+  }
+}
+
+function isEditableTarget(el: EventTarget | null): boolean {
+  if (!(el instanceof HTMLElement)) return false
+  if (el.isContentEditable) return true
+  const tag = el.tagName
+  if (tag === 'INPUT' || tag === 'TEXTAREA' || tag === 'SELECT') return true
+  return false
+}
+
+function onGlobalKeydown(e: KeyboardEvent) {
+  const mod = e.metaKey || e.ctrlKey
+  if (!mod || e.altKey) return
+  const key = e.key.toLowerCase()
+  if (key !== 'k' && key !== 'n') return
+  // Ctrl+N within an editable field should keep its native behavior; Ctrl+K
+  // is rarely used by browsers (Firefox uses it for search-bar focus), but we
+  // still want to let the chat input handle native paste / undo unblocked.
+  if (key === 'n' && isEditableTarget(e.target)) return
+  e.preventDefault()
+  fireChatShortcut(key === 'k' ? 'selectAgent' : 'newChat')
+}
+
 onMounted(async () => {
   mobileQuery = window.matchMedia('(max-width: 768px)')
   handleMobileChange(mobileQuery)
@@ -259,6 +302,8 @@ onMounted(async () => {
   handleMediumChange(mediumQuery)
   mediumQuery.addEventListener('change', handleMediumChange)
 
+  window.addEventListener('keydown', onGlobalKeydown)
+
   // Check onboarding status
   if (!localStorage.getItem('mc-onboarding-done')) {
     try {
@@ -280,6 +325,7 @@ onMounted(async () => {
 onBeforeUnmount(() => {
   mobileQuery?.removeEventListener('change', handleMobileChange)
   mediumQuery?.removeEventListener('change', handleMediumChange)
+  window.removeEventListener('keydown', onGlobalKeydown)
 })
 
 function onNavClick() {
@@ -759,6 +805,36 @@ watch(() => workspaceStore.currentWorkspaceId, () => {
 
 .utility-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--mc-text-tertiary); margin: 0 0 8px; padding-left: 2px; }
 
+.shortcuts-hint {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-wrap: wrap;
+  gap: 4px 6px;
+  margin-top: 8px;
+  padding: 4px 6px;
+  font-size: 10px;
+  color: var(--mc-text-tertiary);
+  letter-spacing: 0.02em;
+  user-select: none;
+}
+.shortcuts-hint kbd {
+  display: inline-flex;
+  align-items: center;
+  padding: 1px 5px;
+  border-radius: 4px;
+  border: 1px solid var(--mc-border-light);
+  background: var(--mc-bg-muted);
+  color: var(--mc-text-secondary);
+  font-family: inherit;
+  font-size: 9.5px;
+  font-weight: 600;
+  line-height: 1.4;
+}
+.shortcuts-hint__sep {
+  opacity: 0.45;
+}
+
 /* 主题切换 */
 .theme-toggle-row {
   display: flex;