refactor(file-system): remove Git status UI from file tree

src/crates/core/src/infrastructure/filesystem/file_operations.rs

@@ -303,16 +303,21 @@ impl FileOperationService {
     }
 
     pub async fn copy_file(&self, from: &str, to: &str) -> BitFunResult<u64> {
-        let from_path = Path::new(from);
-        let to_path = Path::new(to);
+        let from_trim = from.trim();
+        let to_trim = to.trim();
+        let from_path = Path::new(from_trim);
+        let to_path = Path::new(to_trim);
 
         self.validate_file_access(from_path, false).await?;
         self.validate_file_access(to_path, true).await?;
 
-        if !from_path.exists() {
+        // Use symlink_metadata (do not follow symlinks). `Path::exists()` follows links and
+        // returns false for broken symlinks and some reparse-point / cloud placeholder edge cases
+        // even though the name is listed in the directory.
+        if fs::symlink_metadata(from_path).await.is_err() {
             return Err(BitFunError::service(format!(
                 "Source file does not exist: {}",
-                from
+                from_trim
             )));
         }
 
@@ -336,16 +341,18 @@ impl FileOperationService {
     }
 
     pub async fn move_file(&self, from: &str, to: &str) -> BitFunResult<()> {
-        let from_path = Path::new(from);
-        let to_path = Path::new(to);
+        let from_trim = from.trim();
+        let to_trim = to.trim();
+        let from_path = Path::new(from_trim);
+        let to_path = Path::new(to_trim);
 
         self.validate_file_access(from_path, true).await?;
         self.validate_file_access(to_path, true).await?;
 
-        if !from_path.exists() {
+        if fs::symlink_metadata(from_path).await.is_err() {
             return Err(BitFunError::service(format!(
                 "Source file does not exist: {}",
-                from
+                from_trim
             )));
         }
 

src/web-ui/src/app/components/SceneBar/SceneBar.scss

@@ -96,26 +96,43 @@ $_tab-v-margin: 6px;   // symmetric top/bottom gap inside SceneBar
     }
   }
 
-  &:only-child,
-  &:only-child#{&}--active {
-    cursor: default;
-  }
-
-  // Active state
+  // Active state — same fill as .bitfun-nav-panel__item.is-active (no left rail on horizontal tabs)
   &--active {
     color: var(--color-text-primary);
     font-weight: 500;
-    background: var(--element-bg-base);
+    background: var(--element-bg-soft);
 
     .bitfun-scene-tab__icon {
-      color: var(--color-primary);
+      color: var(--color-text-primary);
+      opacity: 1;
     }
 
     &:hover .bitfun-scene-tab__close {
       opacity: 1;
     }
   }
 
+  // Single tab: no pill background (same whether active or not).
+  &:only-child {
+    cursor: default;
+    background: transparent;
+    box-shadow: none;
+
+    &:hover {
+      background: transparent;
+      color: var(--color-text-secondary);
+    }
+
+    &.bitfun-scene-tab--active {
+      background: transparent;
+      box-shadow: none;
+
+      &:hover {
+        background: transparent;
+      }
+    }
+  }
+
   &:focus-visible {
     outline: 2px solid var(--color-accent-500);
     outline-offset: -2px;
@@ -226,47 +243,61 @@ $_tab-v-margin: 6px;   // symmetric top/bottom gap inside SceneBar
   opacity: 0.94;
 }
 
-// Light themes: inactive tabs use tiered bg.* tokens; active is a gentle step brighter
-// (not full scene white + cast shadow) so it does not read as a separate floating card.
+// Light themes: inactive = former active (soft tint on chrome); active = former inactive (lifted pill + edge).
 :root[data-theme-type='light'] .bitfun-scene-tab {
-  background: var(--color-bg-tertiary);
-  color: var(--color-text-secondary);
+  background: var(--element-bg-soft);
+  color: var(--color-text-primary);
+  box-shadow: none;
 
   &:hover {
-    background: var(--color-bg-quaternary);
-    color: var(--color-text-secondary);
+    background: var(--element-bg-medium);
+    color: var(--color-text-primary);
+    box-shadow: none;
+  }
+
+  .bitfun-scene-tab__icon {
+    opacity: 1;
   }
 
   &--active {
-    color: var(--color-text-primary);
-    // Softer than full scene white + drop shadow: stays in the same family as idle tabs
-    background: color-mix(in srgb, var(--color-bg-scene) 72%, var(--color-bg-tertiary));
-    box-shadow: 0 0 0 1px color-mix(in srgb, var(--border-subtle) 42%, transparent);
+    background: var(--color-bg-secondary);
+    color: color-mix(in srgb, var(--color-text-primary) 86%, var(--color-text-muted));
+    box-shadow: 0 0 0 1px color-mix(in srgb, var(--border-subtle) 38%, transparent);
 
     &:hover {
-      background: color-mix(in srgb, var(--color-bg-scene) 76%, var(--color-bg-tertiary));
+      background: color-mix(in srgb, var(--color-bg-secondary) 82%, var(--color-bg-quaternary));
+      color: color-mix(in srgb, var(--color-text-primary) 90%, var(--color-text-muted));
+      box-shadow: 0 0 0 1px color-mix(in srgb, var(--border-subtle) 48%, transparent);
     }
-  }
 
-  // Single tab: still a visible chip when inactive; when active, align with scene card.
-  &:only-child:not(.bitfun-scene-tab--active) {
-    background: var(--color-bg-tertiary);
-    box-shadow: none;
-    color: var(--color-text-secondary);
+    .bitfun-scene-tab__icon {
+      color: inherit;
+    }
+
+    .bitfun-scene-tab__subtitle {
+      color: var(--color-text-muted);
+    }
   }
 
-  &:only-child.bitfun-scene-tab--active {
-    background: color-mix(in srgb, var(--color-bg-scene) 72%, var(--color-bg-tertiary));
-    box-shadow: 0 0 0 1px color-mix(in srgb, var(--border-subtle) 42%, transparent);
-    color: var(--color-text-primary);
+  &:only-child {
+    background: transparent;
+    box-shadow: none;
+    color: color-mix(in srgb, var(--color-text-primary) 86%, var(--color-text-muted));
 
     &:hover {
-      background: color-mix(in srgb, var(--color-bg-scene) 76%, var(--color-bg-tertiary));
+      background: transparent;
+      color: color-mix(in srgb, var(--color-text-primary) 90%, var(--color-text-muted));
     }
-  }
 
-  &:only-child:not(.bitfun-scene-tab--active):hover {
-    background: var(--color-bg-quaternary);
+    &.bitfun-scene-tab--active {
+      background: transparent;
+      box-shadow: none;
+      color: var(--color-text-primary);
+
+      &:hover {
+        background: transparent;
+      }
+    }
   }
 }
 

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

@@ -13,7 +13,6 @@ import {
   type FileExplorerToolbarHandlers,
 } from '@/tools/file-system';
 import { Search, IconButton, Tooltip } from '@/component-library';
-import { useFileTreeGitSync } from '@/tools/file-system/hooks/useFileTreeGitSync';
 import { FileSearchResults } from '@/tools/file-system/components/FileSearchResults';
 import { useFileSearch } from '@/hooks';
 import { workspaceAPI } from '@/infrastructure/api';
@@ -24,6 +23,7 @@ import { InputDialog, CubeLoading } from '@/component-library';
 import { openFileInBestTarget } from '@/shared/utils/tabUtils';
 import { PanelHeader } from './base';
 import { createLogger } from '@/shared/utils/logger';
+import { basenamePath, dirnameAbsolutePath, normalizeLocalPathForRename, replaceBasename } from '@/shared/utils/pathUtils';
 import { workspaceManager } from '@/infrastructure/services/business/workspaceManager';
 import { isRemoteWorkspace } from '@/shared/types';
 import {
@@ -108,7 +108,6 @@ const FilesPanel: React.FC<FilesPanelProps> = ({
     selectFile,
     expandFolder,
     expandFolderLazy,
-    setFileTree
   } = useFileSystem({
     rootPath: workspacePath,
     autoLoad: true,
@@ -117,22 +116,10 @@ const FilesPanel: React.FC<FilesPanelProps> = ({
     enableAutoWatch: true,
     enableLazyLoad: true
   });
-  const handleTreeUpdate = useCallback((updatedTree: FileSystemNode[]) => {
-    log.debug('File tree updated', { nodeCount: updatedTree.length });
-    setFileTree(updatedTree);
-  }, [setFileTree]);
-
   const handleNodeExpandLazy = useCallback((path: string) => {
     expandFolderLazy(path);
   }, [expandFolderLazy]);
 
-  useFileTreeGitSync({
-    workspacePath,
-    fileTree,
-    onTreeUpdate: handleTreeUpdate,
-    autoRefresh: true
-  });
-
   const prevWorkspacePathRef = useRef<string | undefined>(workspacePath);
   useEffect(() => {
     if (prevWorkspacePathRef.current !== undefined && prevWorkspacePathRef.current !== workspacePath) {
@@ -235,22 +222,19 @@ const FilesPanel: React.FC<FilesPanelProps> = ({
   }, []);
 
   const handleExecuteRename = useCallback(async (oldPath: string, newName: string) => {
-    const isWindows = oldPath.includes('\\');
-    const separator = isWindows ? '\\' : '/';
-    const pathParts = oldPath.split(separator);
-    const oldName = pathParts[pathParts.length - 1];
-
-    if (newName === oldName) {
+    const normalizedOld = normalizeLocalPathForRename(oldPath);
+    const oldName = basenamePath(normalizedOld);
+
+    if (newName.trim() === oldName) {
       setRenamingPath(null);
       return;
     }
-
-    pathParts[pathParts.length - 1] = newName;
-    const newPath = pathParts.join(separator);
-
+
+    const newPath = replaceBasename(normalizedOld, newName.trim());
+
     try {
-      await workspaceAPI.renameFile(oldPath, newPath);
-      log.info('File renamed', { oldPath, newPath });
+      await workspaceAPI.renameFile(normalizedOld, newPath);
+      log.info('File renamed', { oldPath: normalizedOld, newPath });
       setRenamingPath(null);
       loadFileTree(workspacePath || '', true);
     } catch (error) {
@@ -367,11 +351,7 @@ const FilesPanel: React.FC<FilesPanelProps> = ({
   }, [workspacePath, expandFolder, expandedFolders]);
 
   const getParentDirectory = useCallback((filePath: string): string => {
-    const isWindows = filePath.includes('\\');
-    const separator = isWindows ? '\\' : '/';
-    const parts = filePath.split(separator);
-    parts.pop();
-    return parts.join(separator);
+    return dirnameAbsolutePath(filePath);
   }, []);
 
   const findNode = useCallback((nodes: FileSystemNode[], path: string): FileSystemNode | null => {

src/web-ui/src/flow_chat/components/FileMentionPicker.scss

@@ -247,16 +247,29 @@
     }
 
     &__item--selected {
-      background: color-mix(in srgb, var(--color-accent-primary) 14%, white 86%);
-      box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-accent-primary) 30%, transparent);
+      // Fallback when color-mix is unsupported; keeps keyboard highlight visible on light surfaces
+      background: var(--element-bg-medium);
+      background: color-mix(
+        in srgb,
+        var(--color-accent-primary, var(--color-accent-500)) 22%,
+        var(--color-bg-elevated) 78%
+      );
 
       .file-mention-picker__item-name {
-        color: color-mix(in srgb, var(--color-accent-primary) 78%, var(--color-text-primary));
+        color: color-mix(
+          in srgb,
+          var(--color-accent-primary, var(--color-accent-500)) 72%,
+          var(--color-text-primary)
+        );
       }
 
       .file-mention-picker__icon,
       .file-mention-picker__expand-icon {
-        color: color-mix(in srgb, var(--color-accent-primary) 70%, var(--color-text-primary));
+        color: color-mix(
+          in srgb,
+          var(--color-accent-primary, var(--color-accent-500)) 65%,
+          var(--color-text-primary)
+        );
         opacity: 0.92;
       }
     }

src/web-ui/src/infrastructure/theme/core/ThemeService.ts

@@ -333,6 +333,7 @@ export class ThemeService {
     root.style.setProperty('--color-primary', primaryAccent);
     root.style.setProperty('--color-primary-hover', primaryHover);
     root.style.setProperty('--color-accent', primaryAccent);
+    root.style.setProperty('--color-accent-primary', primaryAccent);
     const primaryRgb = accentColorToRgbChannels(primaryAccent);
     if (primaryRgb) {
       root.style.setProperty('--color-primary-rgb', primaryRgb);

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

@@ -685,7 +685,8 @@
     "renameSymbol": "Rename Symbol",
     "quickFix": "Quick Fix...",
     "goToSymbol": "Go to Symbol...",
-    "highlightAllOccurrences": "Highlight All Occurrences"
+    "highlightAllOccurrences": "Highlight All Occurrences",
+    "addToChat": "Add to Chat Context"
   },
   "document": {
     "delete": "Delete Document"

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

@@ -685,7 +685,8 @@
     "renameSymbol": "重命名符号",
     "quickFix": "快速修复...",
     "goToSymbol": "转到符号...",
-    "highlightAllOccurrences": "高亮所有出现位置"
+    "highlightAllOccurrences": "高亮所有出现位置",
+    "addToChat": "添加到聊天上下文"
   },
   "document": {
     "delete": "删除文档"

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

@@ -243,6 +243,7 @@ export class ContextResolver {
 
 
     let cursorPosition: { line: number; column: number } | undefined;
+    let selectionRange: EditorContext['selectionRange'];
 
     try {
       const monacoGlobal = (window as any).monaco;
@@ -308,15 +309,32 @@ export class ContextResolver {
               };
             } else {
 
-              const selection = targetEditor.getSelection?.();
-              if (selection) {
+              const monacoSelection = targetEditor.getSelection?.();
+              if (monacoSelection) {
                 cursorPosition = {
-                  line: selection.startLineNumber,
-                  column: selection.startColumn
+                  line: monacoSelection.startLineNumber,
+                  column: monacoSelection.startColumn
                 };
               }
             }
           }
+
+          const monacoSelection = targetEditor.getSelection?.();
+          if (monacoSelection) {
+            const isEmpty =
+              typeof monacoSelection.isEmpty === 'function'
+                ? monacoSelection.isEmpty()
+                : monacoSelection.startLineNumber === monacoSelection.endLineNumber &&
+                  monacoSelection.startColumn === monacoSelection.endColumn;
+            if (!isEmpty) {
+              selectionRange = {
+                startLine: monacoSelection.startLineNumber,
+                endLine: monacoSelection.endLineNumber,
+                startColumn: monacoSelection.startColumn,
+                endColumn: monacoSelection.endColumn
+              };
+            }
+          }
         }
       }
 
@@ -342,6 +360,7 @@ export class ContextResolver {
       filePath,
       cursorPosition,
       selectedText,
+      selectionRange,
       isReadOnly
     };
   }