feat(files): 移除文件管理下载入口

去掉行内与右键下载；大文件提示改为使用终端。

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/changelog/2026-06-12-files-remove-download.md

@@ -0,0 +1,22 @@
+# 文件管理移除下载入口
+
+**日期**: 2026-06-12
+
+## 变更摘要
+
+移除文件管理页行内「下载」按钮与右键菜单项；大文件提示改为仅建议使用终端。
+
+## 动机
+
+产品决策：文件管理不提供浏览器下载，避免大文件与 SFTP 流式链路问题。
+
+## 涉及文件
+
+- `frontend/src/components/files/FilesList.vue`
+- `frontend/src/composables/files/useFilesActions.ts`
+- `frontend/src/composables/files/useFilesPage.ts`
+- `frontend/src/composables/files/useFilesEditor.ts`
+
+## 验证
+
+`npm run type-check`；文件页无下载按钮；右键菜单无下载项。

frontend/src/components/files/FilesList.vue

@@ -113,16 +113,6 @@ const p = useFilesPageContext()
           >
             查看
           </v-btn>
-          <v-btn
-            v-if="p.isRegularFile(item)"
-            variant="text"
-            size="x-small"
-            density="compact"
-            :loading="p.actionLoading"
-            @click.stop="p.downloadFile(item)"
-          >
-            下载
-          </v-btn>
           <v-btn
             variant="text"
             size="x-small"
@@ -173,13 +163,6 @@ const p = useFilesPageContext()
       >
         <v-list-item-title>查看</v-list-item-title>
       </v-list-item>
-      <v-list-item
-        v-if="p.contextFile && p.isRegularFile(p.contextFile)"
-        prepend-icon="mdi-download"
-        @click="p.contextAction('download')"
-      >
-        <v-list-item-title>下载</v-list-item-title>
-      </v-list-item>
       <v-list-item
         v-if="p.contextFile"
         prepend-icon="mdi-content-copy"

frontend/src/composables/files/useFilesActions.ts

@@ -6,7 +6,6 @@ import { useSnackbar } from '@/composables/useSnackbar'
 import { useFilesStore } from '@/stores/files'
 import type { FileEntry } from '@/types/api'
 import { isArchiveFile } from '@/utils/fileSort'
-import { saveBlobAsFile } from '@/utils/fileDownload'
 import { invalidateCachedFile } from '@/utils/filePreload'
 import {
   joinRemotePath,
@@ -172,9 +171,6 @@ export function useFilesActions(options: {
       case 'preview':
         void options.previewFile(item)
         break
-      case 'download':
-        void downloadFile(item)
-        break
       case 'copyPath':
         void copyRemotePath(item)
         break
@@ -414,25 +410,6 @@ export function useFilesActions(options: {
     else snackbar(`删除完成：成功 ${ok}，失败 ${fail}`, fail > 0 ? 'warning' : 'success')
   }
 
-  async function downloadFile(item: FileEntry) {
-    if (!selectedServer.value) return
-    actionLoading.value = true
-    try {
-      const remotePath = joinRemotePath(currentPath.value, item.name)
-      const { blob, filename } = await http.download('/sync/download', {
-        server_id: selectedServer.value,
-        path: remotePath,
-      })
-      saveBlobAsFile(blob, filename)
-      snackbar(`已下载 ${filename}`)
-    } catch (e: unknown) {
-      const msg = e instanceof Error ? e.message : '下载失败'
-      snackbar(msg, 'error')
-    } finally {
-      actionLoading.value = false
-    }
-  }
-
   async function confirmDeleteFile(item: FileEntry) {
     deletingFile.value = item
     showFileDelete.value = true
@@ -608,7 +585,6 @@ export function useFilesActions(options: {
     startChmod,
     doChmod,
     batchDelete,
-    downloadFile,
     confirmDeleteFile,
     doDeleteFile,
     doMkdir,

frontend/src/composables/files/useFilesEditor.ts

@@ -63,7 +63,7 @@ export function useFilesEditor(options: {
   function rejectOversizedFile(item: FileEntry, action: '编辑' | '查看'): boolean {
     if (exceedsEditorMaxSize(item.size)) {
       snackbar(
-        `文件超过 2MB（${formatSize(item.size)}），无法${action}，请下载或使用终端`,
+        `文件超过 2MB（${formatSize(item.size)}），无法${action}，请使用终端`,
         'warning',
       )
       return true

frontend/src/composables/files/useFilesPage.ts

@@ -140,7 +140,7 @@ export function useFilesPage() {
     { title: '归属', key: 'owner', width: 110, sortable: false },
     { title: '大小', key: 'size', width: 120 },
     { title: '修改时间', key: 'modified', width: 180 },
-    { title: '操作', key: 'actions', width: 200, sortable: false, align: 'end' as const },
+    { title: '操作', key: 'actions', width: 160, sortable: false, align: 'end' as const },
   ]
 
   useFilesHotkeys(
@@ -268,7 +268,6 @@ export function useFilesPage() {
     pasteClipboard: actions.pasteClipboard,
     editFile: editor.editFile,
     previewFile: editor.previewFile,
-    downloadFile: actions.downloadFile,
     confirmDeleteFile: actions.confirmDeleteFile,
     openInTerminal: nav.openInTerminal,
   }