Add command palette and command registry

- Commands (with optional shortcuts and availability checks) are registered in one place;
  global shortcuts are dispatched from it, and plugins can use registerCommand later
- The quick switcher lists commands when the input starts with '>' (VS Code style),
  opened with Ctrl+Shift+P or F1 (Firefox reserves Ctrl+Shift+P), plus buttons in the
  sidebar footer and the mobile top bar; recently used commands come first
- Built-in commands: quick open, search, new note/folder, save, rename, delete, close tab,
  trash, log out
- Mount the trash dialog at the workspace level so it is not positioned inside the
  transformed mobile drawer

web/src/app/Icon.vue

@@ -14,6 +14,7 @@ const paths = {
   restore: 'M3 12a9 9 0 1 0 3-6.7L3 8M3 3v5h5',
   edit: 'M12 20h9M16.5 3.5a2.1 2.1 0 0 1 3 3L7 19l-4 1 1-4z',
   search: 'M11 18a7 7 0 1 0 0-14 7 7 0 0 0 0 14zM21 21l-4.35-4.35',
+  command: 'M18 3a3 3 0 0 0-3 3v12a3 3 0 1 0 3-3H6a3 3 0 1 0 3 3V6a3 3 0 1 0-3 3h12a3 3 0 0 0 0-6z',
 }
 defineProps<{ name: keyof typeof paths; size?: number }>()
 </script>

web/src/app/QuickSwitcher.vue

@@ -1,30 +1,38 @@
 <script setup lang="ts">
 import { computed, onMounted, ref, watch } from 'vue'
+import { availableCommands, formatKeys } from './commands'
 import { fuzzyMatch } from './fuzzy'
 import Icon from './Icon.vue'
 import { dirname, NOTE_EXT, noteTitle } from './paths'
 import { createNoteAt, openAt, ws } from './workspace'
 
 const MAX_ITEMS = 50
+const RECENT_COMMANDS_KEY = 'rawmark.recentCommands'
+const RECENT_COMMANDS_MAX = 10
 
 interface Item {
-  path: string
+  key: string
+  icon: 'note' | 'noteAdd' | 'command'
   title: string
-  dir: string
+  // 笔记为所在目录，命令为快捷键
+  detail: string
   // 命中字符在标题、目录中的下标
   titleHits: Set<number>
-  dirHits: Set<number>
+  detailHits: Set<number>
+  run: () => void
 }
 
 const input = ref<HTMLInputElement>()
 const list = ref<HTMLElement>()
-const query = ref('')
+const query = ref(ws.switcher ?? '')
 const selected = ref(0)
+// 以 > 开头时列出命令（与 VS Code 一致），删掉 > 回到找笔记
+const commandMode = computed(() => query.value.startsWith('>'))
 
 // 取消时把焦点还给打开前的元素（通常是编辑器）
 const previousFocus = document.activeElement as HTMLElement | null
 function close() {
-  ws.switcherOpen = false
+  ws.switcher = null
 }
 function cancel() {
   close()
@@ -43,19 +51,20 @@ function segments(text: string, hits: Set<number>) {
   return out
 }
 
-const items = computed<Item[]>(() => {
-  const q = query.value.trim()
+function noteItems(q: string): Item[] {
   const recentRank = new Map(ws.recent.map((p, i) => [p, i]))
   const notes = ws.entries.filter((e) => !e.dir)
   const toItem = (path: string, positions: number[] = []): Item => {
     const dir = dirname(path)
     const offset = dir ? dir.length + 1 : 0
     return {
-      path,
+      key: path,
+      icon: 'note',
       title: noteTitle(path),
-      dir,
+      detail: dir,
       titleHits: new Set(positions.filter((p) => p >= offset).map((p) => p - offset)),
-      dirHits: new Set(positions.filter((p) => p < offset)),
+      detailHits: new Set(positions.filter((p) => p < offset)),
+      run: () => void openAt(path),
     }
   }
   if (!q) {
@@ -78,38 +87,75 @@ const items = computed<Item[]>(() => {
   scored.sort(
     (a, b) => b.score - a.score || (recentRank.get(a.path) ?? Infinity) - (recentRank.get(b.path) ?? Infinity) || a.path.length - b.path.length,
   )
-  return scored.slice(0, MAX_ITEMS).map((s) => toItem(s.path, s.positions))
-})
+  const items = scored.slice(0, MAX_ITEMS).map((s) => toItem(s.path, s.positions))
+  // 没有同名笔记时提供"新建"；输入中的 / 表示目录
+  const name = q.replace(/\.md$/i, '')
+  const path = name + NOTE_EXT
+  if (
+    name.split('/').every((seg) => seg.trim() && !seg.startsWith('.')) &&
+    !ws.entries.some((e) => e.path.toLowerCase() === path.toLowerCase())
+  ) {
+    items.push({
+      key: '\0create',
+      icon: 'noteAdd',
+      title: `新建笔记“${name}”`,
+      detail: '',
+      titleHits: new Set(),
+      detailHits: new Set(),
+      run: () =>
+        void createNoteAt(path).then((ok) => {
+          if (ok) void openAt(path)
+        }),
+    })
+  }
+  return items
+}
 
-// 没有同名笔记时提供"新建"；输入中的 / 表示目录
-const createPath = computed(() => {
-  const q = query.value.trim().replace(/\.md$/i, '')
-  if (!q || !q.split('/').every((seg) => seg.trim() && !seg.startsWith('.'))) return null
-  const path = q + NOTE_EXT
-  return ws.entries.some((e) => e.path.toLowerCase() === path.toLowerCase()) ? null : path
-})
-const count = computed(() => items.value.length + (createPath.value ? 1 : 0))
+const recentCommands = ref<string[]>(JSON.parse(localStorage.getItem(RECENT_COMMANDS_KEY) ?? '[]'))
+
+function commandItems(q: string): Item[] {
+  const rank = (id: string) => {
+    const i = recentCommands.value.indexOf(id)
+    return i < 0 ? Infinity : i
+  }
+  const scored = availableCommands()
+    .filter((c) => c.id !== 'app.commandPalette')
+    .map((c, order) => ({ c, order, m: q ? fuzzyMatch(q, c.title, 0) : { score: 0, positions: [] } }))
+    .filter((x) => x.m)
+  // 无输入时最近用过的在前，其余保持注册顺序
+  scored.sort((a, b) => b.m!.score - a.m!.score || rank(a.c.id) - rank(b.c.id) || a.order - b.order)
+  return scored.map(({ c, m }) => ({
+    key: c.id,
+    icon: 'command',
+    title: c.title,
+    detail: c.keys ? formatKeys(c.keys[0]) : '',
+    titleHits: new Set(m!.positions),
+    detailHits: new Set(),
+    run: () => {
+      recentCommands.value = [c.id, ...recentCommands.value.filter((id) => id !== c.id)].slice(0, RECENT_COMMANDS_MAX)
+      localStorage.setItem(RECENT_COMMANDS_KEY, JSON.stringify(recentCommands.value))
+      c.run()
+    },
+  }))
+}
+
+const items = computed(() => (commandMode.value ? commandItems(query.value.slice(1).trim()) : noteItems(query.value.trim())))
 
 watch(query, () => (selected.value = 0))
 watch(selected, (i) => list.value?.children[i]?.scrollIntoView({ block: 'nearest' }))
 
 function choose(i: number) {
   const item = items.value[i]
-  const create = createPath.value
   close()
-  if (item) void openAt(item.path)
-  else if (create) {
-    void createNoteAt(create).then((ok) => {
-      if (ok) void openAt(create)
-    })
-  }
+  item?.run()
 }
 
 function onKeydown(e: KeyboardEvent) {
+  const n = items.value.length
   if (e.key === 'Escape') cancel()
-  else if (e.key === 'ArrowDown' && count.value) selected.value = (selected.value + 1) % count.value
-  else if (e.key === 'ArrowUp' && count.value) selected.value = (selected.value - 1 + count.value) % count.value
-  else if (e.key === 'Enter' && !e.isComposing && count.value) choose(selected.value)
+  else if (e.key === 'ArrowDown' && n) selected.value = (selected.value + 1) % n
+  else if (e.key === 'ArrowUp' && n) selected.value = (selected.value - 1 + n) % n
+  else if (e.key === 'Enter' && !e.isComposing && n) choose(selected.value)
   else return
   e.preventDefault()
 }
@@ -119,48 +165,38 @@ onMounted(() => input.value?.focus())
 
 <template>
   <div class="rm-switcher-backdrop" @mousedown.self="cancel">
-    <div class="rm-switcher" role="dialog" aria-label="快速打开">
+    <div class="rm-switcher" role="dialog" :aria-label="commandMode ? '命令面板' : '快速打开'">
       <div class="rm-search-box">
-        <Icon name="search" />
+        <Icon :name="commandMode ? 'command' : 'search'" />
         <input
           ref="input"
           v-model="query"
           class="rm-search-input"
-          placeholder="输入笔记名称，回车打开或新建"
+          :placeholder="commandMode ? '输入命令名称' : '输入笔记名称，回车打开或新建；输入 > 执行命令'"
           enterkeyhint="go"
           @keydown="onKeydown"
           @blur="close"
         />
       </div>
-      <ul v-if="count" ref="list" class="rm-switcher-list" @mousedown.prevent>
+      <ul v-if="items.length" ref="list" class="rm-switcher-list" @mousedown.prevent>
         <li
           v-for="(item, i) in items"
-          :key="item.path"
+          :key="item.key"
           class="rm-switcher-item"
           :class="{ active: i === selected }"
           @click="choose(i)"
           @mousemove="selected = i"
         >
-          <Icon name="note" />
+          <Icon :name="item.icon" />
           <span class="rm-switcher-title">
             <span v-for="(s, j) in segments(item.title, item.titleHits)" :key="j" :class="{ 'rm-search-hit': s.hit }">{{ s.text }}</span>
           </span>
-          <span v-if="item.dir" class="rm-switcher-dir">
-            <span v-for="(s, j) in segments(item.dir, item.dirHits)" :key="j" :class="{ 'rm-search-hit': s.hit }">{{ s.text }}</span>
+          <span v-if="item.detail" class="rm-switcher-dir" :class="{ 'rm-switcher-keys': item.icon === 'command' }">
+            <span v-for="(s, j) in segments(item.detail, item.detailHits)" :key="j" :class="{ 'rm-search-hit': s.hit }">{{ s.text }}</span>
           </span>
         </li>
-        <li
-          v-if="createPath"
-          class="rm-switcher-item"
-          :class="{ active: selected === items.length }"
-          @click="choose(items.length)"
-          @mousemove="selected = items.length"
-        >
-          <Icon name="noteAdd" />
-          <span class="rm-switcher-title">新建笔记“{{ createPath.slice(0, -NOTE_EXT.length) }}”</span>
-        </li>
       </ul>
-      <p v-else class="rm-tree-empty">还没有笔记</p>
+      <p v-else class="rm-tree-empty">{{ commandMode ? '没有匹配的命令' : '还没有笔记' }}</p>
     </div>
   </div>
 </template>

web/src/app/Sidebar.vue

@@ -2,14 +2,12 @@
 import { ref } from 'vue'
 import Icon from './Icon.vue'
 import { basename } from './paths'
-import TrashDialog from './TrashDialog.vue'
 import { tree } from './tree'
 import TreeNode from './TreeNode.vue'
 import SearchPanel from './SearchPanel.vue'
 import { createFolder, createNote, move, openSearch, ws } from './workspace'
 
 const emit = defineEmits<{ logout: [] }>()
-const trashOpen = ref(false)
 const rootDrop = ref(false)
 
 function onRootDragOver(e: DragEvent) {
@@ -45,9 +43,9 @@ function onRootDrop(e: DragEvent) {
       <p v-if="!tree.length" class="rm-tree-empty">还没有笔记</p>
     </div>
     <div class="rm-sidebar-foot">
-      <button class="rm-foot-btn" @click="trashOpen = true"><Icon name="trash" />回收站</button>
+      <button class="rm-foot-btn" title="命令面板（F1）" @click="ws.switcher = '>'"><Icon name="command" />命令</button>
+      <button class="rm-foot-btn" @click="ws.trashOpen = true"><Icon name="trash" />回收站</button>
       <button class="rm-foot-btn" @click="emit('logout')"><Icon name="logout" />退出</button>
     </div>
-    <TrashDialog v-if="trashOpen" @close="trashOpen = false" />
   </div>
 </template>

web/src/app/Workspace.vue

@@ -1,6 +1,7 @@
 <script setup lang="ts">
 import { computed, onBeforeUnmount, onMounted } from 'vue'
 import { api } from './api'
+import { registerCommand } from './commands'
 import EditorPane from './EditorPane.vue'
 import Icon from './Icon.vue'
 import NoteBanner from './NoteBanner.vue'
@@ -8,6 +9,7 @@ import QuickSwitcher from './QuickSwitcher.vue'
 import { noteTitle } from './paths'
 import Sidebar from './Sidebar.vue'
 import TabBar from './TabBar.vue'
+import TrashDialog from './TrashDialog.vue'
 import { activeTab, flushAll, startWorkspace, stopWorkspace, toast, ws } from './workspace'
 
 const emit = defineEmits<{ logout: [] }>()
@@ -38,8 +40,13 @@ function onTouchMove(e: TouchEvent) {
   }
 }
 
+const unregisterLogout = registerCommand({ id: 'app.logout', title: '退出登录', run: () => void logout() })
+
 onMounted(() => void startWorkspace())
-onBeforeUnmount(stopWorkspace)
+onBeforeUnmount(() => {
+  unregisterLogout()
+  stopWorkspace()
+})
 </script>
 
 <template>
@@ -51,12 +58,14 @@ onBeforeUnmount(stopWorkspace)
         <button class="rm-icon-btn" title="目录" @click="ws.sidebarOpen = true"><Icon name="menu" :size="20" /></button>
         <span class="rm-mobile-title">{{ title }}</span>
         <span class="rm-save-state" :class="{ on: saving }" />
-        <button class="rm-icon-btn" title="快速打开" @click="ws.switcherOpen = true"><Icon name="search" :size="20" /></button>
+        <button class="rm-icon-btn" title="快速打开" @click="ws.switcher = ''"><Icon name="search" :size="20" /></button>
+        <button class="rm-icon-btn" title="命令" @click="ws.switcher = '>'"><Icon name="command" :size="20" /></button>
       </header>
       <TabBar />
       <NoteBanner />
       <EditorPane />
     </main>
-    <QuickSwitcher v-if="ws.switcherOpen" />
+    <QuickSwitcher v-if="ws.switcher !== null" />
+    <TrashDialog v-if="ws.trashOpen" @close="ws.trashOpen = false" />
   </div>
 </template>

web/src/app/app.css

@@ -217,6 +217,7 @@ button {
 .rm-switcher-item.active { background: var(--rm-active); }
 .rm-switcher-title { color: var(--rm-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
 .rm-switcher-dir { flex: 1; min-width: 0; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-align: right; }
+.rm-switcher-keys span { padding: 1px 6px; border: 1px solid var(--rm-divider); border-radius: 4px; font-family: inherit; }
 .rm-sidebar-foot { display: flex; gap: 4px; padding: 8px; border-top: 1px solid var(--rm-divider); }
 .rm-foot-btn {
   flex: 1;

web/src/app/commands.ts

@@ -0,0 +1,62 @@
+// 命令注册表：命令面板列出的操作与全局快捷键都来自这里；插件也通过 registerCommand 添加命令
+import { shallowReactive } from 'vue'
+
+export interface Command {
+  id: string
+  title: string
+  /** 快捷键，如 'Mod+Shift+F'、'F1'；Mod 在 Mac 上为 Cmd，其他平台为 Ctrl。第一个用于显示 */
+  keys?: string[]
+  /** 返回 false 时命令不可用：不在面板中列出，快捷键也不触发 */
+  when?: () => boolean
+  run: () => void
+}
+
+const commands = shallowReactive(new Map<string, Command>())
+
+/** 注册命令，返回注销函数；id 重复时后注册的覆盖先注册的 */
+export function registerCommand(cmd: Command): () => void {
+  commands.set(cmd.id, cmd)
+  return () => {
+    if (commands.get(cmd.id) === cmd) commands.delete(cmd.id)
+  }
+}
+
+export function availableCommands(): Command[] {
+  return [...commands.values()].filter((c) => c.when?.() ?? true)
+}
+
+export function runCommand(id: string) {
+  const cmd = commands.get(id)
+  if (cmd && (cmd.when?.() ?? true)) cmd.run()
+}
+
+const isMac = /Mac|iPhone|iPad/.test(navigator.platform)
+
+export function matchKeys(e: KeyboardEvent, keys: string): boolean {
+  const parts = keys.split('+')
+  const key = parts.pop()!.toLowerCase()
+  return (
+    e.key.toLowerCase() === key &&
+    (isMac ? e.metaKey : e.ctrlKey) === parts.includes('Mod') &&
+    e.shiftKey === parts.includes('Shift') &&
+    e.altKey === parts.includes('Alt')
+  )
+}
+
+export function formatKeys(keys: string): string {
+  const parts = keys.split('+')
+  if (isMac) return parts.map((p) => ({ Mod: '⌘', Shift: '⇧', Alt: '⌥' })[p] ?? p).join('')
+  return parts.map((p) => (p === 'Mod' ? 'Ctrl' : p)).join('+')
+}
+
+/** 全局快捷键分发；编辑器等已处理的按键（defaultPrevented）和输入法组字中的按键不处理 */
+export function handleShortcut(e: KeyboardEvent) {
+  if (e.defaultPrevented || e.isComposing) return
+  for (const cmd of availableCommands()) {
+    if (cmd.keys?.some((k) => matchKeys(e, k))) {
+      e.preventDefault()
+      cmd.run()
+      return
+    }
+  }
+}

web/src/app/workspace.ts

@@ -4,6 +4,7 @@ import { Annotation, Transaction, type EditorState } from '@codemirror/state'
 import { EditorView } from '@codemirror/view'
 import { nextTick, reactive, watch } from 'vue'
 import { createEditorState, pasteImages } from '../editor'
+import { handleShortcut, registerCommand } from './commands'
 import { api, ApiError, type Entry } from './api'
 import { drafts } from './drafts'
 import { connectEvents, type VaultEvent } from './events'
@@ -42,8 +43,9 @@ export const ws = reactive({
   sidebarOpen: false,
   // 侧栏显示搜索而非目录树
   searchOpen: false,
-  // 快速切换对话框
-  switcherOpen: false,
+  // 快速切换/命令面板的初始输入，null 为关闭；以 > 开头时列出命令
+  switcher: null as string | null,
+  trashOpen: false,
   // 最近打开的笔记，最新的在前
   recent: JSON.parse(localStorage.getItem(RECENT_KEY) ?? '[]') as string[],
   toasts: [] as Toast[],
@@ -732,21 +734,40 @@ export async function startWorkspace() {
     if (document.visibilityState === 'hidden') void flushAll(true)
   })
   window.addEventListener('pagehide', () => void flushAll(true))
-  window.addEventListener('keydown', (e) => {
-    if (!(e.ctrlKey || e.metaKey)) return
-    const key = e.key.toLowerCase()
-    if (key === 's' && !e.shiftKey) {
-      e.preventDefault()
-      if (ws.active) void flush(ws.active)
-    } else if (key === 'f' && e.shiftKey) {
-      e.preventDefault()
-      openSearch()
-    } else if (key === 'p' && !e.shiftKey) {
-      // 覆盖浏览器的打印快捷键
-      e.preventDefault()
-      ws.switcherOpen = !ws.switcherOpen
-    }
-  })
+  window.addEventListener('keydown', handleShortcut)
+}
+
+// 内置命令不依赖工作区状态，模块载入时注册，排在组件注册的命令（如退出登录）之前
+registerBuiltinCommands()
+
+function registerBuiltinCommands() {
+  const hasNote = () => ws.active !== null
+  const toggleSwitcher = (initial: string) => {
+    ws.switcher = ws.switcher === null ? initial : null
+  }
+  for (const cmd of [
+    // Mod+P 覆盖浏览器的打印；Firefox 不允许网页覆盖 Ctrl+Shift+P（隐私窗口），F1 作为通用的替代
+    { id: 'app.quickOpen', title: '快速打开笔记', keys: ['Mod+P'], run: () => toggleSwitcher('') },
+    { id: 'app.commandPalette', title: '命令面板', keys: ['Mod+Shift+P', 'F1'], run: () => toggleSwitcher('>') },
+    { id: 'app.search', title: '全文搜索', keys: ['Mod+Shift+F'], run: openSearch },
+    { id: 'note.new', title: '新建笔记', run: () => withSidebar(() => createNote('')) },
+    { id: 'folder.new', title: '新建文件夹', run: () => withSidebar(() => createFolder('')) },
+    { id: 'note.save', title: '保存当前笔记', keys: ['Mod+S'], when: hasNote, run: () => void flush(ws.active!) },
+    { id: 'note.rename', title: '重命名当前笔记', when: hasNote, run: () => withSidebar(() => (ws.renaming = ws.active)) },
+    { id: 'note.delete', title: '删除当前笔记', when: hasNote, run: () => void remove(ws.active!) },
+    // 浏览器不允许网页覆盖 Ctrl+W
+    { id: 'tab.close', title: '关闭当前标签页', when: hasNote, run: () => void closeTab(ws.active!) },
+    { id: 'app.trash', title: '打开回收站', run: () => (ws.trashOpen = true) },
+  ]) {
+    registerCommand(cmd)
+  }
+}
+
+// 需要在目录树中操作的命令：切回目录树，移动端打开侧栏
+function withSidebar(fn: () => unknown) {
+  ws.searchOpen = false
+  ws.sidebarOpen = true
+  void fn()
 }
 
 export function openSearch() {