diff --git a/admin/src/pages/DocsPage.tsx b/admin/src/pages/DocsPage.tsx
index d80b13a6..b22d2d87 100644
--- a/admin/src/pages/DocsPage.tsx
+++ b/admin/src/pages/DocsPage.tsx
@@ -48,6 +48,7 @@ import {
   FontSizeOutlined,
   BuildOutlined,
   HolderOutlined,
+  QuestionCircleOutlined,
 } from '@ant-design/icons';
 import Editor from '@monaco-editor/react';
 import type { OnMount } from '@monaco-editor/react';
@@ -402,11 +403,12 @@ export default function DocsPage() {
   const [messageApi, contextHolder] = message.useMessage();
 
   // Fetch file tree
-  const fetchTree = useCallback(async (showLoading = true) => {
+  const fetchTree = useCallback(async (showLoading = true, force = false) => {
     try {
       if (showLoading) setLoading(true);
       setFetchError(false);
-      const res = await api.get<FileNode[]>('/docs/files');
+      const url = force ? '/docs/files?force=true' : '/docs/files';
+      const res = await api.get<FileNode[]>(url);
       setFileTree(res.data);
       setCachedTree(res.data);
     } catch {
@@ -690,6 +692,11 @@ export default function DocsPage() {
     }
   }, []);
 
+  const refreshTree = useCallback(() => {
+    invalidateTreeCache();
+    fetchTree(false, true);
+  }, [fetchTree]);
+
   // File tree context menu
   const getContextMenuItems = useCallback((nodePath: string, isDirectory: boolean): MenuProps['items'] => {
     const items: MenuProps['items'] = [];
@@ -848,6 +855,10 @@ export default function DocsPage() {
   // Header actions
   const headerActions = useMemo(() => (
     <Space size={8}>
+      <Tooltip title="MkDocs Reference">
+        <Button type="text" icon={<QuestionCircleOutlined />} onClick={() => window.open('https://squidfunk.github.io/mkdocs-material/reference/', '_blank', 'noopener,noreferrer')} size="middle" />
+      </Tooltip>
+      <div style={{ width: 1, height: 24, background: token.colorBorderSecondary, margin: '0 4px' }} />
       <Tooltip title="Editor + Preview">
         <Button type={layout === 'split' ? 'primary' : 'text'} icon={<ColumnWidthOutlined />} onClick={() => setLayout('split')} size="middle" />
       </Tooltip>
@@ -1056,6 +1067,9 @@ export default function DocsPage() {
                       style={{ width: 28, height: 28, color: filterVisible ? token.colorPrimary : token.colorTextSecondary }}
                     />
                   </Tooltip>
+                  <Tooltip title="Refresh" mouseEnterDelay={0.4}>
+                    <Button type="text" size="small" icon={<ReloadOutlined />} onClick={refreshTree} aria-label="Refresh file tree" style={{ width: 28, height: 28, color: token.colorTextSecondary }} />
+                  </Tooltip>
                   <Tooltip title="Expand All" mouseEnterDelay={0.4}>
                     <Button type="text" size="small" icon={<NodeExpandOutlined />} onClick={expandAll} aria-label="Expand all folders" style={{ width: 28, height: 28, color: token.colorTextSecondary }} />
                   </Tooltip>
diff --git a/api/src/modules/docs/docs-files.service.ts b/api/src/modules/docs/docs-files.service.ts
index b4349c1e..685e0ad2 100644
--- a/api/src/modules/docs/docs-files.service.ts
+++ b/api/src/modules/docs/docs-files.service.ts
@@ -18,7 +18,8 @@ const DOCS_ROOT = pathResolve(env.MKDOCS_DOCS_PATH);
 // Redis cache configuration
 const CACHE_KEY_PREFIX = 'DOCS_CACHE:';
 const TREE_CACHE_KEY = `${CACHE_KEY_PREFIX}tree`;
-const FILE_CACHE_TTL = 60 * 60; // 1 hour
+const TREE_CACHE_TTL = 30; // 30 seconds — short so external changes show quickly
+const FILE_CONTENT_CACHE_TTL = 60 * 60; // 1 hour for file content
 
 function hashFilePath(path: string): string {
   return crypto.createHash('sha256').update(path).digest('hex').substring(0, 16);
@@ -97,7 +98,7 @@ async function listTree(dir: string = DOCS_ROOT, relBase: string = ''): Promise<
   // Cache root result
   if (dir === DOCS_ROOT && !relBase) {
     try {
-      await redis.setex(TREE_CACHE_KEY, FILE_CACHE_TTL, JSON.stringify(nodes));
+      await redis.setex(TREE_CACHE_KEY, TREE_CACHE_TTL, JSON.stringify(nodes));
     } catch (err) {
       logger.warn('Failed to cache docs tree:', err);
     }
@@ -129,7 +130,7 @@ async function readFileContent(relativePath: string): Promise<string> {
 
     // Cache the result
     try {
-      await redis.setex(cacheKey, FILE_CACHE_TTL, content);
+      await redis.setex(cacheKey, FILE_CONTENT_CACHE_TTL, content);
     } catch (err) {
       logger.warn('Failed to cache file content:', err);
     }
@@ -249,6 +250,14 @@ function isEditableFile(relativePath: string): boolean {
   return ['.md', '.txt', '.yml', '.yaml', '.json', '.css', '.html', '.js'].includes(ext);
 }
 
+async function invalidateTreeCache(): Promise<void> {
+  try {
+    await redis.del(TREE_CACHE_KEY);
+  } catch (err) {
+    logger.warn('Failed to invalidate tree cache:', err);
+  }
+}
+
 export const docsFilesService = {
   listTree,
   readFileContent,
@@ -258,4 +267,5 @@ export const docsFilesService = {
   renameFile,
   safeResolve,
   isEditableFile,
+  invalidateTreeCache,
 };
diff --git a/api/src/modules/docs/docs.routes.ts b/api/src/modules/docs/docs.routes.ts
index bd236e3a..183ec484 100644
--- a/api/src/modules/docs/docs.routes.ts
+++ b/api/src/modules/docs/docs.routes.ts
@@ -109,9 +109,12 @@ router.post(
 // GET /api/docs/files — list file tree
 router.get(
   '/files',
-  async (_req: Request, res: Response, next: NextFunction) => {
+  async (req: Request, res: Response, next: NextFunction) => {
     try {
       cm_docs_operations.inc({ operation: 'list' });
+      if (req.query['force'] === 'true') {
+        await docsFilesService.invalidateTreeCache();
+      }
       const tree = await docsFilesService.listTree();
       res.json(tree);
     } catch (err) {