diff --git a/desktop/src/__tests__/memorySettings.test.tsx b/desktop/src/__tests__/memorySettings.test.tsx
index eb544f27..85234494 100644
--- a/desktop/src/__tests__/memorySettings.test.tsx
+++ b/desktop/src/__tests__/memorySettings.test.tsx
@@ -8,19 +8,38 @@ import { useSessionStore } from '../stores/sessionStore'
 import { useSettingsStore } from '../stores/settingsStore'
 import { useUIStore } from '../stores/uiStore'
 
-const { memoryApiMock } = vi.hoisted(() => ({
+const { memoryApiMock, openTargetStoreMock } = vi.hoisted(() => ({
   memoryApiMock: {
     listProjects: vi.fn(),
     listFiles: vi.fn(),
     readFile: vi.fn(),
     saveFile: vi.fn(),
   },
+  openTargetStoreMock: {
+    targets: [{ id: 'finder', kind: 'file_manager', label: 'Finder', icon: 'finder', platform: 'darwin' }],
+    platform: 'darwin',
+    primaryTargetId: 'finder',
+    lastSuccessfulTargetId: null,
+    loading: false,
+    error: null,
+    fetchedAt: 1,
+    ensureTargets: vi.fn(),
+    refreshTargets: vi.fn(),
+    openTarget: vi.fn(),
+  },
 }))
 
 vi.mock('../api/memory', () => ({
   memoryApi: memoryApiMock,
 }))
 
+vi.mock('../stores/openTargetStore', () => ({
+  useOpenTargetStore: Object.assign(
+    (selector: (state: typeof openTargetStoreMock) => unknown) => selector(openTargetStoreMock),
+    { getState: () => openTargetStoreMock },
+  ),
+}))
+
 vi.mock('../components/markdown/MarkdownRenderer', () => ({
   MarkdownRenderer: ({ content }: { content: string }) => (
     <div data-testid="markdown-preview">{content}</div>
@@ -30,6 +49,11 @@ vi.mock('../components/markdown/MarkdownRenderer', () => ({
 describe('MemorySettings', () => {
   beforeEach(() => {
     vi.clearAllMocks()
+    window.localStorage.removeItem('cc-haha-memory-pinned-projects')
+    openTargetStoreMock.targets = [{ id: 'finder', kind: 'file_manager', label: 'Finder', icon: 'finder', platform: 'darwin' }]
+    openTargetStoreMock.primaryTargetId = 'finder'
+    openTargetStoreMock.ensureTargets.mockResolvedValue(undefined)
+    openTargetStoreMock.openTarget.mockResolvedValue(undefined)
     useSettingsStore.setState({ locale: 'en' })
     useSessionStore.setState({
       sessions: [
@@ -177,6 +201,56 @@ describe('MemorySettings', () => {
     })
   })
 
+  it('pins projects above the regular project list from the project menu', async () => {
+    memoryApiMock.listProjects.mockResolvedValue({
+      projects: [
+        {
+          id: '-workspace-alpha',
+          label: '/workspace/alpha',
+          memoryDir: '/tmp/claude/projects/-workspace-alpha/memory',
+          exists: true,
+          fileCount: 1,
+          isCurrent: true,
+        },
+        {
+          id: '-workspace-beta',
+          label: '/workspace/beta',
+          memoryDir: '/tmp/claude/projects/-workspace-beta/memory',
+          exists: true,
+          fileCount: 2,
+          isCurrent: false,
+        },
+      ],
+    })
+
+    render(<MemorySettings />)
+
+    expect(await screen.findAllByText('workspace/alpha')).not.toHaveLength(0)
+    expect(await screen.findByText('workspace/beta')).toBeInTheDocument()
+
+    fireEvent.click(screen.getByRole('button', { name: 'Project actions for workspace/beta' }))
+    fireEvent.click(await screen.findByRole('menuitem', { name: 'Pin project' }))
+
+    expect(screen.getByText('Pinned projects')).toBeInTheDocument()
+    const projectRows = screen.getAllByTestId('memory-project-row')
+    expect(projectRows[0]).toHaveTextContent('workspace/beta')
+    expect(window.localStorage.getItem('cc-haha-memory-pinned-projects')).toContain('-workspace-beta')
+  })
+
+  it('opens a memory project in Finder through the existing open target flow', async () => {
+    render(<MemorySettings />)
+
+    expect(await screen.findAllByText('workspace/demo')).not.toHaveLength(0)
+
+    fireEvent.click(screen.getByRole('button', { name: 'Project actions for workspace/demo' }))
+    fireEvent.click(await screen.findByRole('menuitem', { name: 'Open in Finder' }))
+
+    await waitFor(() => {
+      expect(openTargetStoreMock.ensureTargets).toHaveBeenCalled()
+      expect(openTargetStoreMock.openTarget).toHaveBeenCalledWith('finder', '/workspace/demo')
+    })
+  })
+
   it('renders nested memory files as a collapsible resource tree', async () => {
     memoryApiMock.listFiles.mockResolvedValue({
       files: [
diff --git a/desktop/src/i18n/locales/en.ts b/desktop/src/i18n/locales/en.ts
index d73575f6..fc26bd40 100644
--- a/desktop/src/i18n/locales/en.ts
+++ b/desktop/src/i18n/locales/en.ts
@@ -556,6 +556,7 @@ export const en = {
   'settings.memory.refresh': 'Refresh',
   'settings.memory.projects': 'Projects',
   'settings.memory.files': 'Memory files',
+  'settings.memory.pinnedProjects': 'Pinned projects',
   'settings.memory.resourceManager': 'Resource manager',
   'settings.memory.editor': 'Editor',
   'settings.memory.preview': 'Preview',
@@ -579,6 +580,12 @@ export const en = {
   'settings.memory.noFileMatches': 'No memory files match this search.',
   'settings.memory.clearSearch': 'Clear search',
   'settings.memory.toggleFolder': 'Toggle {name}',
+  'settings.memory.projectActions': 'Project actions for {name}',
+  'settings.memory.pinProject': 'Pin project',
+  'settings.memory.unpinProject': 'Unpin project',
+  'settings.memory.openInFinder': 'Open in Finder',
+  'settings.memory.openInFinderFailed': 'Could not open the project in Finder.',
+  'settings.memory.openInFinderUnavailable': 'No file manager is available.',
 
   // Settings > Plugins
   'settings.plugins.title': 'Installed Plugins',
diff --git a/desktop/src/i18n/locales/zh.ts b/desktop/src/i18n/locales/zh.ts
index 17fa42d2..725a1aab 100644
--- a/desktop/src/i18n/locales/zh.ts
+++ b/desktop/src/i18n/locales/zh.ts
@@ -558,6 +558,7 @@ export const zh: Record<TranslationKey, string> = {
   'settings.memory.refresh': '刷新',
   'settings.memory.projects': '项目',
   'settings.memory.files': '记忆文件',
+  'settings.memory.pinnedProjects': '置顶项目',
   'settings.memory.resourceManager': '资源管理器',
   'settings.memory.editor': '编辑',
   'settings.memory.preview': '预览',
@@ -581,6 +582,12 @@ export const zh: Record<TranslationKey, string> = {
   'settings.memory.noFileMatches': '没有匹配的记忆文件。',
   'settings.memory.clearSearch': '清空搜索',
   'settings.memory.toggleFolder': '展开或折叠 {name}',
+  'settings.memory.projectActions': '{name} 的项目操作',
+  'settings.memory.pinProject': '置顶项目',
+  'settings.memory.unpinProject': '取消置顶',
+  'settings.memory.openInFinder': '在“访达”中打开',
+  'settings.memory.openInFinderFailed': '无法在访达中打开项目。',
+  'settings.memory.openInFinderUnavailable': '没有可用的文件管理器。',
 
   // Settings > Plugins
   'settings.plugins.title': '已安装插件',
diff --git a/desktop/src/pages/MemorySettings.tsx b/desktop/src/pages/MemorySettings.tsx
index c5661f86..17d0295c 100644
--- a/desktop/src/pages/MemorySettings.tsx
+++ b/desktop/src/pages/MemorySettings.tsx
@@ -1,16 +1,18 @@
 import { useEffect, useMemo, useState } from 'react'
-import type { ReactNode } from 'react'
-import { BookOpenText, ChevronDown, ChevronRight, Database, FileText, Folder, FolderGit2, RefreshCw, RotateCcw, Save, Search, X } from 'lucide-react'
+import type { MouseEvent, ReactNode } from 'react'
+import { BookOpenText, ChevronDown, ChevronRight, Database, FileText, Folder, FolderGit2, FolderOpen, MoreHorizontal, Pin, PinOff, RefreshCw, RotateCcw, Save, Search, X } from 'lucide-react'
 import { Button } from '../components/shared/Button'
 import { MarkdownRenderer } from '../components/markdown/MarkdownRenderer'
 import { useTranslation } from '../i18n'
 import { formatBytes } from '../lib/formatBytes'
 import { useMemoryStore } from '../stores/memoryStore'
+import { useOpenTargetStore } from '../stores/openTargetStore'
 import { useSessionStore } from '../stores/sessionStore'
 import { useUIStore } from '../stores/uiStore'
 import type { MemoryFile, MemoryProject } from '../types/memory'
 
 const DEFAULT_MEMORY_PATH = 'MEMORY.md'
+const PINNED_MEMORY_PROJECTS_STORAGE_KEY = 'cc-haha-memory-pinned-projects'
 
 export function MemorySettings() {
   const t = useTranslation()
@@ -35,11 +37,14 @@ export function MemorySettings() {
   } = useMemoryStore()
   const sessions = useSessionStore((s) => s.sessions)
   const activeSessionId = useSessionStore((s) => s.activeSessionId)
+  const addToast = useUIStore((s) => s.addToast)
   const pendingMemoryPath = useUIStore((s) => s.pendingMemoryPath)
   const setPendingMemoryPath = useUIStore((s) => s.setPendingMemoryPath)
   const [resourceQuery, setResourceQuery] = useState('')
   const [expandedProjectId, setExpandedProjectId] = useState<string | null>(null)
   const [collapsedFolders, setCollapsedFolders] = useState<Set<string>>(new Set())
+  const [pinnedProjectIds, setPinnedProjectIds] = useState<Set<string>>(() => readPinnedMemoryProjects())
+  const [projectMenu, setProjectMenu] = useState<{ projectId: string; x: number; y: number } | null>(null)
 
   const activeSession = useMemo(
     () => sessions.find((session) => session.id === activeSessionId),
@@ -52,6 +57,18 @@ export function MemorySettings() {
     () => filterProjects(projects, resourceQuery, selectedProjectId, files),
     [files, projects, resourceQuery, selectedProjectId],
   )
+  const orderedProjects = useMemo(
+    () => orderMemoryProjects(filteredProjects, pinnedProjectIds),
+    [filteredProjects, pinnedProjectIds],
+  )
+  const pinnedProjects = useMemo(
+    () => orderedProjects.filter((project) => pinnedProjectIds.has(project.id)),
+    [orderedProjects, pinnedProjectIds],
+  )
+  const regularProjects = useMemo(
+    () => orderedProjects.filter((project) => !pinnedProjectIds.has(project.id)),
+    [orderedProjects, pinnedProjectIds],
+  )
   const filteredFiles = useMemo(
     () => filterFiles(files, resourceQuery),
     [files, resourceQuery],
@@ -76,6 +93,20 @@ export function MemorySettings() {
     setExpandedProjectId(selectedProjectId)
   }, [selectedProjectId])
 
+  useEffect(() => {
+    if (!projectMenu) return
+    const close = () => setProjectMenu(null)
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (event.key === 'Escape') setProjectMenu(null)
+    }
+    document.addEventListener('click', close)
+    document.addEventListener('keydown', handleKeyDown)
+    return () => {
+      document.removeEventListener('click', close)
+      document.removeEventListener('keydown', handleKeyDown)
+    }
+  }, [projectMenu])
+
   useEffect(() => {
     if (!selectedProjectId || selectedFile || isLoadingFiles || isLoadingFile) return
     if (pendingMemoryPath) return
@@ -138,6 +169,40 @@ export function MemorySettings() {
     void openFile(selectedProjectId, file.path)
   }
 
+  const togglePinnedProject = (projectId: string) => {
+    setProjectMenu(null)
+    setPinnedProjectIds((previous) => {
+      const next = new Set(previous)
+      if (next.has(projectId)) {
+        next.delete(projectId)
+      } else {
+        next.add(projectId)
+      }
+      writePinnedMemoryProjects(next)
+      return next
+    })
+  }
+
+  const openProjectInFinder = async (project: MemoryProject) => {
+    setProjectMenu(null)
+    try {
+      const store = useOpenTargetStore.getState()
+      await store.ensureTargets()
+      const latest = useOpenTargetStore.getState()
+      const target = latest.targets.find((item) => item.id === 'finder')
+        ?? latest.targets.find((item) => item.kind === 'file_manager')
+      if (!target) {
+        throw new Error(t('settings.memory.openInFinderUnavailable'))
+      }
+      await latest.openTarget(target.id, resolveMemoryProjectOpenPath(project))
+    } catch (error) {
+      addToast({
+        type: 'error',
+        message: error instanceof Error ? error.message : t('settings.memory.openInFinderFailed'),
+      })
+    }
+  }
+
   const toggleFolder = (path: string) => {
     setCollapsedFolders((previous) => {
       const next = new Set(previous)
@@ -222,7 +287,7 @@ export function MemorySettings() {
             <PanelHeader
               icon={<Database size={15} aria-hidden="true" />}
               title={t('settings.memory.resourceManager')}
-              meta={isLoadingProjects ? t('common.loading') : String(projects.length)}
+              meta={isLoadingProjects ? t('common.loading') : undefined}
             />
             <div className="px-3 py-3">
               <SearchField
@@ -236,32 +301,72 @@ export function MemorySettings() {
             <div className="min-h-0 flex-1 overflow-y-auto px-2 pb-2">
               {projects.length === 0 && !isLoadingProjects ? (
                 <EmptyState icon={<FolderGit2 size={18} />} text={t('settings.memory.emptyProjects')} />
-              ) : filteredProjects.length === 0 ? (
+              ) : orderedProjects.length === 0 ? (
                 <EmptyState icon={<Search size={18} />} text={t('settings.memory.noProjectMatches')} />
               ) : (
-                <div className="py-1">
-                  {filteredProjects.map((project) => {
-                    const isExpanded = project.id === expandedProjectId
-                    const isSelected = project.id === selectedProjectId
-                    const visibleFileTree = isSelected ? fileTree : []
-                    return (
-                      <ProjectTreeRow
-                        key={project.id}
-                        project={project}
-                        expanded={isExpanded}
-                        active={isSelected}
-                        loading={isSelected && isLoadingFiles}
-                        fileTree={visibleFileTree}
-                        activePath={selectedFile?.path ?? null}
-                        collapsedFolders={collapsedFolders}
-                        forceExpanded={forceExpandFiles}
-                        onToggle={() => handleProjectToggle(project.id)}
-                        onToggleFolder={toggleFolder}
-                        onFileSelect={handleFileOpen}
-                        emptyText={t('settings.memory.emptyFiles')}
-                      />
-                    )
-                  })}
+                <div className="space-y-3 py-1">
+                  {pinnedProjects.length > 0 ? (
+                    <MemoryProjectSection title={t('settings.memory.pinnedProjects')}>
+                      {pinnedProjects.map((project) => {
+                        const isExpanded = project.id === expandedProjectId
+                        const isSelected = project.id === selectedProjectId
+                        const visibleFileTree = isSelected ? fileTree : []
+                        return (
+                          <ProjectTreeRow
+                            key={project.id}
+                            project={project}
+                            expanded={isExpanded}
+                            active={isSelected}
+                            pinned
+                            loading={isSelected && isLoadingFiles}
+                            fileTree={visibleFileTree}
+                            activePath={selectedFile?.path ?? null}
+                            collapsedFolders={collapsedFolders}
+                            forceExpanded={forceExpandFiles}
+                            onToggle={() => handleProjectToggle(project.id)}
+                            onOpenMenu={(event) => {
+                              event.stopPropagation()
+                              setProjectMenu(positionProjectMenu(project.id, event.clientX, event.clientY))
+                            }}
+                            onToggleFolder={toggleFolder}
+                            onFileSelect={handleFileOpen}
+                            emptyText={t('settings.memory.emptyFiles')}
+                          />
+                        )
+                      })}
+                    </MemoryProjectSection>
+                  ) : null}
+                  {regularProjects.length > 0 ? (
+                    <MemoryProjectSection title={pinnedProjects.length > 0 ? t('settings.memory.projects') : undefined}>
+                      {regularProjects.map((project) => {
+                        const isExpanded = project.id === expandedProjectId
+                        const isSelected = project.id === selectedProjectId
+                        const visibleFileTree = isSelected ? fileTree : []
+                        return (
+                          <ProjectTreeRow
+                            key={project.id}
+                            project={project}
+                            expanded={isExpanded}
+                            active={isSelected}
+                            pinned={false}
+                            loading={isSelected && isLoadingFiles}
+                            fileTree={visibleFileTree}
+                            activePath={selectedFile?.path ?? null}
+                            collapsedFolders={collapsedFolders}
+                            forceExpanded={forceExpandFiles}
+                            onToggle={() => handleProjectToggle(project.id)}
+                            onOpenMenu={(event) => {
+                              event.stopPropagation()
+                              setProjectMenu(positionProjectMenu(project.id, event.clientX, event.clientY))
+                            }}
+                            onToggleFolder={toggleFolder}
+                            onFileSelect={handleFileOpen}
+                            emptyText={t('settings.memory.emptyFiles')}
+                          />
+                        )
+                      })}
+                    </MemoryProjectSection>
+                  ) : null}
                 </div>
               )}
             </div>
@@ -324,6 +429,17 @@ export function MemorySettings() {
           )}
         </section>
       </div>
+
+      {projectMenu ? (
+        <MemoryProjectMenu
+          project={orderedProjects.find((project) => project.id === projectMenu.projectId) ?? null}
+          x={projectMenu.x}
+          y={projectMenu.y}
+          pinned={pinnedProjectIds.has(projectMenu.projectId)}
+          onTogglePin={() => togglePinnedProject(projectMenu.projectId)}
+          onOpenInFinder={(project) => void openProjectInFinder(project)}
+        />
+      ) : null}
     </div>
   )
 }
@@ -399,14 +515,27 @@ function SearchField({
   )
 }
 
-function PanelHeader({ icon, title, meta }: { icon?: ReactNode; title: string; meta: string }) {
+function PanelHeader({ icon, title, meta }: { icon?: ReactNode; title: string; meta?: string }) {
   return (
     <div className="flex h-11 items-center justify-between border-b border-[var(--color-border)] px-3">
       <h3 className="flex min-w-0 items-center gap-2 text-sm font-semibold text-[var(--color-text-primary)]">
         {icon ? <span className="text-[var(--color-text-tertiary)]">{icon}</span> : null}
         <span className="truncate">{title}</span>
       </h3>
-      <span className="text-xs text-[var(--color-text-tertiary)]">{meta}</span>
+      {meta ? <span className="text-xs text-[var(--color-text-tertiary)]">{meta}</span> : null}
+    </div>
+  )
+}
+
+function MemoryProjectSection({ title, children }: { title?: string; children: ReactNode }) {
+  return (
+    <div>
+      {title ? (
+        <div className="px-2 pb-1 text-[11px] font-semibold text-[var(--color-text-tertiary)]">
+          {title}
+        </div>
+      ) : null}
+      {children}
     </div>
   )
 }
@@ -415,12 +544,14 @@ function ProjectTreeRow({
   project,
   expanded,
   active,
+  pinned,
   loading,
   fileTree,
   activePath,
   collapsedFolders,
   forceExpanded,
   onToggle,
+  onOpenMenu,
   onToggleFolder,
   onFileSelect,
   emptyText,
@@ -428,12 +559,14 @@ function ProjectTreeRow({
   project: MemoryProject
   expanded: boolean
   active: boolean
+  pinned: boolean
   loading: boolean
   fileTree: MemoryTreeNode[]
   activePath: string | null
   collapsedFolders: Set<string>
   forceExpanded: boolean
   onToggle: () => void
+  onOpenMenu: (event: MouseEvent<HTMLButtonElement>) => void
   onToggleFolder: (path: string) => void
   onFileSelect: (file: MemoryFile) => void
   emptyText: string
@@ -442,25 +575,40 @@ function ProjectTreeRow({
   const display = projectDisplayName(project.label)
   return (
     <div className="mb-0.5">
-      <button
-        type="button"
-        onClick={onToggle}
-        title={project.label}
-        aria-expanded={expanded}
-        aria-label={t('settings.memory.toggleFolder', { name: display })}
-        className={`flex min-h-8 w-full items-center gap-1.5 rounded-sm px-1.5 py-1 text-left transition-colors focus:outline-none focus-visible:shadow-[var(--shadow-focus-ring)] ${
+      <div
+        data-testid="memory-project-row"
+        className={`group flex min-h-9 w-full items-center gap-1.5 rounded-md px-2 py-1 text-left transition-colors focus:outline-none focus-visible:shadow-[var(--shadow-focus-ring)] ${
           active
             ? 'bg-[var(--color-surface-selected)] text-[var(--color-text-primary)]'
             : 'text-[var(--color-text-secondary)] hover:bg-[var(--color-surface-hover)] hover:text-[var(--color-text-primary)]'
         }`}
       >
-        {expanded ? <ChevronDown size={14} className="shrink-0" aria-hidden="true" /> : <ChevronRight size={14} className="shrink-0" aria-hidden="true" />}
-        <Folder size={15} className="shrink-0 text-[var(--color-brand)]" aria-hidden="true" />
-        <span className="min-w-0 flex-1 truncate text-sm font-medium">{display}</span>
-        <span className="shrink-0 text-xs text-[var(--color-text-tertiary)]">
-          {project.exists ? project.fileCount : t('settings.memory.missing')}
+        <button
+          type="button"
+          onClick={onToggle}
+          title={project.label}
+          aria-expanded={expanded}
+          aria-label={t('settings.memory.toggleFolder', { name: display })}
+          className="flex min-w-0 flex-1 items-center gap-1.5 text-left outline-none focus-visible:shadow-[var(--shadow-focus-ring)]"
+        >
+          <Folder size={15} className="shrink-0 text-[var(--color-brand)]" aria-hidden="true" />
+          <span className="min-w-0 flex-1 truncate text-sm font-medium">{display}</span>
+          {pinned ? <Pin size={13} className="shrink-0 text-[var(--color-text-tertiary)]" aria-hidden="true" /> : null}
+          {!project.exists ? (
+            <span className="shrink-0 text-xs text-[var(--color-text-tertiary)]">{t('settings.memory.missing')}</span>
+          ) : null}
+        </button>
+        <span className="ml-0.5 flex shrink-0 opacity-0 transition-opacity group-hover:opacity-100 group-focus-within:opacity-100">
+          <button
+            type="button"
+            onClick={onOpenMenu}
+            aria-label={t('settings.memory.projectActions', { name: display })}
+            className="flex h-7 w-7 items-center justify-center rounded-md text-[var(--color-text-tertiary)] transition-colors hover:bg-[var(--color-surface-hover)] hover:text-[var(--color-text-primary)] focus-visible:outline-none focus-visible:shadow-[var(--shadow-focus-ring)]"
+          >
+            <MoreHorizontal size={16} aria-hidden="true" />
+          </button>
         </span>
-      </button>
+      </div>
 
       {expanded ? (
         <div className="ml-[18px] border-l border-[var(--color-border)] pl-2">
@@ -559,7 +707,6 @@ function MemoryTreeRow({
         {isCollapsed ? <ChevronRight size={14} aria-hidden="true" /> : <ChevronDown size={14} aria-hidden="true" />}
         <Folder size={14} className="shrink-0 text-[var(--color-brand)]" aria-hidden="true" />
         <span className="min-w-0 flex-1 truncate font-medium">{node.name}</span>
-        <span className="ml-auto text-[11px] font-normal text-[var(--color-text-tertiary)]">{node.fileCount}</span>
       </button>
       {!isCollapsed ? (
         <div className="ml-[18px] border-l border-[var(--color-border)] pl-2">
@@ -581,6 +728,53 @@ function MemoryTreeRow({
   )
 }
 
+function MemoryProjectMenu({
+  project,
+  x,
+  y,
+  pinned,
+  onTogglePin,
+  onOpenInFinder,
+}: {
+  project: MemoryProject | null
+  x: number
+  y: number
+  pinned: boolean
+  onTogglePin: () => void
+  onOpenInFinder: (project: MemoryProject) => void
+}) {
+  const t = useTranslation()
+  if (!project) return null
+
+  return (
+    <div
+      role="menu"
+      className="fixed z-50 min-w-[220px] overflow-hidden rounded-[18px] border border-[var(--color-border)] bg-[var(--color-surface-container-lowest)] py-2 shadow-[var(--shadow-dropdown)]"
+      style={{ left: x, top: y }}
+      onClick={(event) => event.stopPropagation()}
+    >
+      <button
+        type="button"
+        role="menuitem"
+        onClick={onTogglePin}
+        className="flex w-full items-center gap-3 px-4 py-2.5 text-left text-sm font-semibold text-[var(--color-text-primary)] transition-colors hover:bg-[var(--color-surface-hover)] focus-visible:outline-none focus-visible:bg-[var(--color-surface-hover)]"
+      >
+        {pinned ? <PinOff size={17} aria-hidden="true" /> : <Pin size={17} aria-hidden="true" />}
+        <span>{pinned ? t('settings.memory.unpinProject') : t('settings.memory.pinProject')}</span>
+      </button>
+      <button
+        type="button"
+        role="menuitem"
+        onClick={() => onOpenInFinder(project)}
+        className="flex w-full items-center gap-3 px-4 py-2.5 text-left text-sm font-semibold text-[var(--color-text-primary)] transition-colors hover:bg-[var(--color-surface-hover)] focus-visible:outline-none focus-visible:bg-[var(--color-surface-hover)]"
+      >
+        <FolderOpen size={17} aria-hidden="true" />
+        <span>{t('settings.memory.openInFinder')}</span>
+      </button>
+    </div>
+  )
+}
+
 function Badge({ children }: { children: string }) {
   return (
     <span className="shrink-0 rounded-[var(--radius-sm)] border border-[var(--color-border)] bg-[var(--color-surface)] px-1.5 py-0.5 text-[11px] font-medium text-[var(--color-text-secondary)]">
@@ -630,6 +824,15 @@ function filterFiles(files: MemoryFile[], query: string): MemoryFile[] {
   )
 }
 
+function orderMemoryProjects(projects: MemoryProject[], pinnedProjectIds: Set<string>): MemoryProject[] {
+  return [...projects].sort((a, b) => {
+    const aPinned = pinnedProjectIds.has(a.id)
+    const bPinned = pinnedProjectIds.has(b.id)
+    if (aPinned !== bPinned) return aPinned ? -1 : 1
+    return 0
+  })
+}
+
 function projectDisplayName(label: string): string {
   const normalized = label.replace(/\\/g, '/').replace(/\/+/g, '/').replace(/\/$/, '')
   const parts = normalized.split('/').filter(Boolean)
@@ -637,6 +840,46 @@ function projectDisplayName(label: string): string {
   return parts[0] ?? label
 }
 
+function readPinnedMemoryProjects(): Set<string> {
+  if (typeof window === 'undefined') return new Set()
+  try {
+    const raw = window.localStorage.getItem(PINNED_MEMORY_PROJECTS_STORAGE_KEY)
+    if (!raw) return new Set()
+    const parsed = JSON.parse(raw)
+    if (!Array.isArray(parsed)) return new Set()
+    return new Set(parsed.filter((item): item is string => typeof item === 'string' && item.length > 0))
+  } catch {
+    return new Set()
+  }
+}
+
+function writePinnedMemoryProjects(projectIds: Set<string>) {
+  if (typeof window === 'undefined') return
+  try {
+    window.localStorage.setItem(PINNED_MEMORY_PROJECTS_STORAGE_KEY, JSON.stringify([...projectIds]))
+  } catch {
+    // Ignore storage failures; pinning remains a session-local UI preference.
+  }
+}
+
+function positionProjectMenu(projectId: string, clientX: number, clientY: number) {
+  const viewportWidth = typeof window === 'undefined' ? 1024 : window.innerWidth
+  const viewportHeight = typeof window === 'undefined' ? 768 : window.innerHeight
+  return {
+    projectId,
+    x: Math.max(8, Math.min(clientX, viewportWidth - 236)),
+    y: Math.max(8, Math.min(clientY + 6, viewportHeight - 120)),
+  }
+}
+
+function resolveMemoryProjectOpenPath(project: MemoryProject): string {
+  return isLikelyAbsolutePath(project.label) ? project.label : project.memoryDir
+}
+
+function isLikelyAbsolutePath(value: string): boolean {
+  return value.startsWith('/') || /^[A-Za-z]:[\\/]/.test(value)
+}
+
 function stripMarkdownFrontmatter(content: string): string {
   if (!content.startsWith('---')) return content
   const end = content.indexOf('\n---', 3)