fix bugs

src/apps/desktop/src/api/commands.rs

@@ -3467,20 +3467,10 @@ fn build_remote_path_exists_command(parent: &str, candidate: &str) -> String {
     )
 }
 
-fn build_remote_extraction_destination_available_command(
-    parent: &str,
-    candidate: &str,
-    allow_existing_directory: bool,
-) -> String {
+fn build_remote_extraction_destination_available_command(parent: &str, candidate: &str) -> String {
     let parent = shell_quote_posix(parent);
     let candidate = shell_quote_posix(&format!("./{}", candidate));
-    if allow_existing_directory {
-        format!(
-            "cd -- {parent} || exit 2; if [ -L {candidate} ]; then exit 1; fi; [ -d {candidate} ] || [ ! -e {candidate} ]"
-        )
-    } else {
-        format!("cd -- {parent} || exit 2; test ! -e {candidate} && test ! -L {candidate}")
-    }
+    format!("cd -- {parent} || exit 2; test ! -e {candidate} && test ! -L {candidate}")
 }
 
 fn next_available_local_archive_path(parent: &Path, base_name: &str, extension: &str) -> PathBuf {
@@ -3719,11 +3709,8 @@ pub async fn decompress_path(
         let remote_dest_dir_name = loop {
             let candidate =
                 extraction_destination_name_with_suffix(&remote_dest_base_name, remote_dest_suffix);
-            let check_command = build_remote_extraction_destination_available_command(
-                &remote_parent,
-                &candidate,
-                remote_dest_suffix == 0,
-            );
+            let check_command =
+                build_remote_extraction_destination_available_command(&remote_parent, &candidate);
             let (stdout, stderr, code) = manager
                 .execute_command(cid, &check_command)
                 .await
@@ -4268,13 +4255,6 @@ fn next_available_local_extraction_path(parent: &Path, base_name: &str) -> Resul
     for suffix in 0.. {
         let candidate = parent.join(extraction_destination_name_with_suffix(base_name, suffix));
         match std::fs::symlink_metadata(&candidate) {
-            Ok(metadata)
-                if suffix == 0
-                    && metadata.file_type().is_dir()
-                    && !metadata.file_type().is_symlink() =>
-            {
-                return Ok(candidate);
-            }
             Ok(_) => continue,
             Err(error) if error.kind() == std::io::ErrorKind::NotFound => return Ok(candidate),
             Err(error) => {
@@ -4336,7 +4316,7 @@ mod archive_tests {
     }
 
     #[test]
-    fn local_extraction_path_avoids_existing_files_but_reuses_base_directory() {
+    fn local_extraction_path_uses_incrementing_suffixes_for_any_existing_item() {
         let temp = tempfile::tempdir().expect("create temp dir");
         std::fs::write(temp.path().join("aa"), "source").expect("write source file");
         std::fs::create_dir(temp.path().join("aa (1)")).expect("create existing directory");
@@ -4347,11 +4327,11 @@ mod archive_tests {
             temp.path().join("aa (2)")
         );
 
-        std::fs::create_dir(temp.path().join("project")).expect("create merge destination");
+        std::fs::create_dir(temp.path().join("project")).expect("create existing directory");
         assert_eq!(
             next_available_local_extraction_path(temp.path(), "project")
-                .expect("reuse existing destination directory"),
-            temp.path().join("project")
+                .expect("choose unique extraction destination"),
+            temp.path().join("project (1)")
         );
     }
 
@@ -4368,17 +4348,14 @@ mod archive_tests {
         let command = build_remote_extraction_destination_available_command(
             "/home/work tree",
             "中 文@!# (2)",
-            false,
         );
         assert!(command.contains("test ! -e './中 文@!# (2)'"));
         assert!(command.contains("test ! -L './中 文@!# (2)'"));
 
-        let command = build_remote_extraction_destination_available_command(
-            "/home/work tree",
-            "中 文@!#",
-            true,
-        );
-        assert!(command.contains("[ -d './中 文@!#' ] || [ ! -e './中 文@!#' ]"));
+        let command =
+            build_remote_extraction_destination_available_command("/home/work tree", "中 文@!#");
+        assert!(command.contains("test ! -e './中 文@!#'"));
+        assert!(command.contains("test ! -L './中 文@!#'"));
     }
 
     #[test]

src/web-ui/src/app/components/panels/FilesPanel.tsx

@@ -41,6 +41,7 @@ import type {
 import {
   downloadWorkspaceFileToDisk,
   joinWorkspaceTargetPath,
+  isFilePermissionError,
   normalizeWorkspaceTargetDirectory,
   pasteClipboardFilesToWorkspaceDirectory,
   resolvePasteTargetDirectory,
@@ -79,6 +80,17 @@ function isAlreadyExistsError(error: unknown): boolean {
   return /already exists|file exists|os error 17|os error 183|EEXIST/i.test(message);
 }
 
+function getPasteErrorMessage(
+  t: (key: string, options?: Record<string, unknown>) => string,
+  name: string,
+  error: string,
+): string {
+  return t('notifications.pasteErrorDetail', {
+    name,
+    error: isFilePermissionError(error) ? t('notifications.pastePermissionDenied') : error,
+  });
+}
+
 /** Format a byte-per-second speed value for display, e.g. "1.4 MB/s". */
 function formatSpeed(bytesPerSec: number): string {
   return `${formatBytes(bytesPerSec)}/s`;
@@ -737,7 +749,7 @@ const FilesPanel: React.FC<FilesPanelProps> = ({
       if (result.failedFiles.length > 0) {
         const failedNames = result.failedFiles.map((entry) => {
           const name = entry.path.split(/[/\\]/).pop() || entry.path;
-          return `${name}: ${entry.error}`;
+          return getPasteErrorMessage(t, name, entry.error);
         }).join('\n');
         notification.error(
           t('notifications.pasteFailed', { count: result.failedFiles.length }) + `:\n${failedNames}`,
@@ -758,7 +770,11 @@ const FilesPanel: React.FC<FilesPanelProps> = ({
       if (cancelledTransferIdsRef.current.has(id)) {
         cancelledTransferIdsRef.current.delete(id);
       } else {
-        notification.error(t('notifications.pasteFailed', { count: 1 }));
+        notification.error(
+          isFilePermissionError(error)
+            ? t('notifications.pastePermissionDenied')
+            : t('notifications.pasteFailed', { count: 1 })
+        );
       }
     }
   }, [

src/web-ui/src/component-library/components/Markdown/Markdown.tsx

@@ -8,6 +8,7 @@ import ReactMarkdown from 'react-markdown';
 import remarkGfm from 'remark-gfm';
 import rehypeRaw from 'rehype-raw';
 import rehypeSanitize, { defaultSchema } from 'rehype-sanitize';
+import type { PluggableList } from 'unified';
 import { visit } from 'unist-util-visit';
 import { i18nService } from '@/infrastructure/i18n';
 import { MermaidBlock } from './MermaidBlock';
@@ -255,6 +256,9 @@ const sanitizeSchema = {
   },
 };
 
+const MARKDOWN_REMARK_PLUGINS: PluggableList = [remarkGfm, remarkAutolinkComputerFileLinks];
+const MARKDOWN_REHYPE_PLUGINS: PluggableList = [rehypeRaw, [rehypeSanitize, sanitizeSchema]];
+
 function remarkAutolinkComputerFileLinks() {
   return (tree: any) => {
     visit(tree, 'text', (node: any, index: number | undefined, parent: any) => {
@@ -1420,15 +1424,15 @@ export const Markdown = React.memo<MarkdownProps>(({
   ]);
 
   const wrapperClassName = `markdown-renderer ${className}`.trim();
-  const basicMarkdownRenderer = (
+  const basicMarkdownRenderer = useMemo(() => (
     <ReactMarkdown
-      remarkPlugins={[remarkGfm, remarkAutolinkComputerFileLinks]}
-      rehypePlugins={[rehypeRaw, [rehypeSanitize, sanitizeSchema]]}
+      remarkPlugins={MARKDOWN_REMARK_PLUGINS}
+      rehypePlugins={MARKDOWN_REHYPE_PLUGINS}
       components={components}
     >
       {markdownContent}
     </ReactMarkdown>
-  );
+  ), [components, markdownContent]);
 
   return (
     <div className={wrapperClassName} data-bf-component="markdown" data-bf-part="root" data-bf-state={isStreaming ? 'streaming' : undefined}>

src/web-ui/src/component-library/components/Markdown/MarkdownMathRenderer.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useMemo } from 'react';
 import ReactMarkdown from 'react-markdown';
 import type { Components } from 'react-markdown';
 import remarkGfm from 'remark-gfm';
@@ -7,7 +7,7 @@ import rehypeKatex from 'rehype-katex';
 import rehypeRaw from 'rehype-raw';
 import rehypeSanitize from 'rehype-sanitize';
 import type { Options as RehypeSanitizeOptions } from 'rehype-sanitize';
-import type { Pluggable } from 'unified';
+import type { Pluggable, PluggableList } from 'unified';
 import 'katex/dist/katex.min.css';
 
 interface MarkdownMathRendererProps {
@@ -22,16 +22,27 @@ export const MarkdownMathRenderer: React.FC<MarkdownMathRendererProps> = ({
   components,
   sanitizeSchema,
   remarkAutolinkComputerFileLinks,
-}) => (
-  <div data-bf-component="markdown" data-bf-part="math">
-    <ReactMarkdown
-      remarkPlugins={[remarkGfm, remarkMath, remarkAutolinkComputerFileLinks]}
-      rehypePlugins={[rehypeRaw, [rehypeSanitize, sanitizeSchema], rehypeKatex]}
-      components={components}
-    >
-      {markdownContent}
-    </ReactMarkdown>
-  </div>
-);
+}) => {
+  const remarkPlugins = useMemo<PluggableList>(
+    () => [remarkGfm, remarkMath, remarkAutolinkComputerFileLinks],
+    [remarkAutolinkComputerFileLinks],
+  );
+  const rehypePlugins = useMemo<PluggableList>(
+    () => [rehypeRaw, [rehypeSanitize, sanitizeSchema], rehypeKatex],
+    [sanitizeSchema],
+  );
+
+  return (
+    <div data-bf-component="markdown" data-bf-part="math">
+      <ReactMarkdown
+        remarkPlugins={remarkPlugins}
+        rehypePlugins={rehypePlugins}
+        components={components}
+      >
+        {markdownContent}
+      </ReactMarkdown>
+    </div>
+  );
+};
 
 export default MarkdownMathRenderer;

src/web-ui/src/locales/en-US/panels/files.json

@@ -148,6 +148,8 @@
     "pasteSuccessFolders": "Successfully pasted {{count}} folders",
     "pasteSuccessItems": "Successfully pasted {{count}} items",
     "pasteFailed": "{{count}} files failed to paste",
+    "pastePermissionDenied": "Permission denied. Check the source file and destination folder permissions.",
+    "pasteErrorDetail": "{{name}}: {{error}}",
     "pasteNoFiles": "No files in clipboard",
     "pastingFiles": "Pasting {{count}} files to {{target}}...",
     "openExplorerFailed": "Failed to open file explorer: {{error}}",

src/web-ui/src/locales/en-US/tools.json

@@ -32,8 +32,10 @@
       "retry": "Retry",
       "loading": "Loading...",
       "loadFailed": "Load failed",
+      "unsupportedFileType": "Unsupported file type",
       "largeFilePreview": "The file is too large; showing the first 8 MB as a read-only preview",
       "fileNotFound": "File not found",
+      "fileTooLarge": "File is too large; only text files smaller than 15 MB can be opened",
       "permissionDenied": "Permission denied",
       "networkError": "Network error",
       "saveFailedWithMessage": "Failed to save file: {{message}}",

src/web-ui/src/locales/zh-CN/panels/files.json

@@ -148,6 +148,8 @@
     "pasteSuccessFolders": "成功粘贴 {{count}} 个文件夹",
     "pasteSuccessItems": "成功粘贴 {{count}} 项",
     "pasteFailed": "{{count}} 个文件粘贴失败",
+    "pastePermissionDenied": "没有权限。请检查源文件和目标文件夹的访问权限。",
+    "pasteErrorDetail": "{{name}}：{{error}}",
     "pasteNoFiles": "剪贴板中没有文件",
     "pastingFiles": "正在粘贴 {{count}} 个文件到 {{target}}...",
     "openExplorerFailed": "打开文件管理器失败: {{error}}",

src/web-ui/src/locales/zh-CN/tools.json

@@ -32,8 +32,10 @@
       "retry": "重试",
       "loading": "加载中...",
       "loadFailed": "加载失败",
+      "unsupportedFileType": "不支持的文件类型",
       "largeFilePreview": "文件过大，已打开前 8 MB 只读预览",
       "fileNotFound": "文件不存在",
+      "fileTooLarge": "文件过大，仅支持打开小于 15 MB 的文本文件",
       "permissionDenied": "权限不足",
       "networkError": "网络错误",
       "saveFailedWithMessage": "保存文件失败: {{message}}",

src/web-ui/src/locales/zh-TW/panels/files.json

@@ -148,6 +148,8 @@
     "pasteSuccessFolders": "成功粘貼 {{count}} 個資料夾",
     "pasteSuccessItems": "成功粘貼 {{count}} 項",
     "pasteFailed": "{{count}} 個檔案粘貼失敗",
+    "pastePermissionDenied": "沒有權限。請檢查來源檔案和目標資料夾的存取權限。",
+    "pasteErrorDetail": "{{name}}：{{error}}",
     "pasteNoFiles": "剪貼板中沒有檔案",
     "pastingFiles": "正在粘貼 {{count}} 個檔案到 {{target}}...",
     "openExplorerFailed": "開啟檔案管理器失敗: {{error}}",

src/web-ui/src/locales/zh-TW/tools.json

@@ -32,8 +32,10 @@
       "retry": "重試",
       "loading": "載入中...",
       "loadFailed": "載入失敗",
+      "unsupportedFileType": "不支援的檔案類型",
       "largeFilePreview": "檔案過大，已開啟前 8 MB 唯讀預覽",
       "fileNotFound": "檔案不存在",
+      "fileTooLarge": "檔案過大，僅支援開啟小於 15 MB 的文字檔案",
       "permissionDenied": "權限不足",
       "networkError": "網絡錯誤",
       "saveFailedWithMessage": "儲存檔案失敗: {{message}}",

src/web-ui/src/shared/context-menu-system/core/ContextMenuManager.ts

@@ -111,7 +111,7 @@ export class ContextMenuManager {
 
   async show(event: MouseEvent | React.MouseEvent): Promise<void> {
     if (this.isShowing) {
-      this.hide();
+      await this.hide();
     }
 
     this.isShowing = true;

src/web-ui/src/tools/editor/components/CodeEditor.scss

@@ -125,11 +125,18 @@ $_editor-padding-desktop: 32px;
     flex: 1;
     min-height: 0;
     position: relative;
-    
+
     > div {
       height: 100%;
     }
   }
+
+  &.is-error {
+    > .code-editor-tool__content,
+    > .editor-status-bar {
+      display: none;
+    }
+  }
 
   // Overlay Styles
   &__loading-overlay,