diff --git a/web/src/components/markdown-editor.tsx b/web/src/components/markdown-editor.tsx
index 643e49fcbe..357320bb1c 100644
--- a/web/src/components/markdown-editor.tsx
+++ b/web/src/components/markdown-editor.tsx
@@ -7,12 +7,14 @@ interface MarkdownEditorProps {
   content: string;
   onChange?: (content: string) => void;
   readOnly?: boolean;
+  onWikiLinkClick?: (pageType: 'concept' | 'entity', slug: string) => void;
 }
 
 export default function MarkdownEditor({
   content,
   onChange,
   readOnly = false,
+  onWikiLinkClick,
 }: MarkdownEditorProps) {
   const [showSource, setShowSource] = useState(false);
   const [rawContent, setRawContent] = useState(content);
@@ -61,6 +63,7 @@ export default function MarkdownEditor({
             placeholder={readOnly ? '' : 'Start writing...'}
             onToggleSource={toggleSource}
             showSource={showSource}
+            onWikiLinkClick={onWikiLinkClick}
           />
         </div>
         <div
diff --git a/web/src/hooks/use-knowledge-request.ts b/web/src/hooks/use-knowledge-request.ts
index 09e03bef91..823dcac177 100644
--- a/web/src/hooks/use-knowledge-request.ts
+++ b/web/src/hooks/use-knowledge-request.ts
@@ -591,15 +591,17 @@ export const useFetchArtifactTopicList = (
   };
 };
 
-export function useFetchArtifactPage(artifact: IArtifact | null) {
+export function useFetchArtifactPage(
+  artifact: IArtifact | null,
+  enabled = true,
+) {
   const knowledgeBaseId = useKnowledgeBaseId();
   const pageType = artifact?.page_type ?? '';
   const slug = artifact?.slug ?? '';
 
   const { data, isFetching: loading } = useQuery<IArtifactPage | null>({
     queryKey: ArtifactKeys.detail(knowledgeBaseId, pageType, slug),
-    enabled: !!knowledgeBaseId && !!artifact && !!pageType && !!slug,
-    gcTime: 0,
+    enabled: !!knowledgeBaseId && !!artifact && !!pageType && !!slug && enabled,
     queryFn: async () => {
       const { data } = await getArtifactPage(knowledgeBaseId, pageType, slug);
       return data?.data ?? null;
diff --git a/web/src/lib/editor/lexical-editor.tsx b/web/src/lib/editor/lexical-editor.tsx
index f314827916..85bdaaa539 100644
--- a/web/src/lib/editor/lexical-editor.tsx
+++ b/web/src/lib/editor/lexical-editor.tsx
@@ -40,6 +40,7 @@ interface Props {
   placeholder?: string;
   onToggleSource?: () => void;
   showSource?: boolean;
+  onWikiLinkClick?: (pageType: 'concept' | 'entity', slug: string) => void;
 }
 
 function InitialContentPlugin({
@@ -133,6 +134,7 @@ function ChangeListener({
 import FloatingSelectionToolbar from './plugins/floating-selection-toolbar';
 import TableActionsPlugin from './plugins/table-actions-plugin';
 import ToolbarPlugin from './plugins/toolbar-plugin';
+import { WikiLinkClickPlugin } from './plugins/wiki-link-click-plugin';
 
 export default function LexicalEditor({
   content,
@@ -141,6 +143,7 @@ export default function LexicalEditor({
   placeholder = 'Start writing...',
   onToggleSource,
   showSource = false,
+  onWikiLinkClick,
 }: Props): JSX.Element {
   const transformers = useMemo(() => CORE_TRANSFORMERS, []);
 
@@ -187,6 +190,7 @@ export default function LexicalEditor({
             <MarkdownShortcutPlugin transformers={transformers} />
             <ListPlugin />
             <LinkPlugin />
+            <WikiLinkClickPlugin onWikiLinkClick={onWikiLinkClick} />
             <HashtagPlugin />
             <TablePlugin />
             <TableActionsPlugin />
diff --git a/web/src/lib/editor/plugins/wiki-link-click-plugin.tsx b/web/src/lib/editor/plugins/wiki-link-click-plugin.tsx
new file mode 100644
index 0000000000..2bccc810a1
--- /dev/null
+++ b/web/src/lib/editor/plugins/wiki-link-click-plugin.tsx
@@ -0,0 +1,50 @@
+import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
+import {
+  parseWikiLinkHref,
+  type WikiPageType,
+} from '@/pages/dataset/compilation/utils/parse-wiki-link';
+import { useEffect } from 'react';
+
+type WikiLinkClickPluginProps = {
+  onWikiLinkClick?: (pageType: WikiPageType, slug: string) => void;
+};
+
+function findAnchorElement(
+  target: EventTarget | null,
+): HTMLAnchorElement | null {
+  if (!(target instanceof HTMLElement)) return null;
+  return target.closest('a[href]') as HTMLAnchorElement | null;
+}
+
+export function WikiLinkClickPlugin({
+  onWikiLinkClick,
+}: WikiLinkClickPluginProps) {
+  const [editor] = useLexicalComposerContext();
+
+  useEffect(() => {
+    if (!onWikiLinkClick) return;
+
+    const rootElement = editor.getRootElement();
+    if (!rootElement) return;
+
+    const handleClick = (event: MouseEvent) => {
+      const anchor = findAnchorElement(event.target);
+      if (!anchor) return;
+
+      const href = anchor.getAttribute('href');
+      if (!href) return;
+
+      const parsed = parseWikiLinkHref(href);
+      if (!parsed) return;
+
+      event.preventDefault();
+      event.stopPropagation();
+      onWikiLinkClick(parsed.pageType, parsed.slug);
+    };
+
+    rootElement.addEventListener('click', handleClick);
+    return () => rootElement.removeEventListener('click', handleClick);
+  }, [editor, onWikiLinkClick]);
+
+  return null;
+}
diff --git a/web/src/pages/dataset/compilation/hooks/use-wiki-detail-content.ts b/web/src/pages/dataset/compilation/hooks/use-wiki-detail-content.ts
new file mode 100644
index 0000000000..81dc3a3dcd
--- /dev/null
+++ b/web/src/pages/dataset/compilation/hooks/use-wiki-detail-content.ts
@@ -0,0 +1,219 @@
+import { useFetchDocumentsByIds } from '@/hooks/use-document-request';
+import {
+  useFetchArtifactPage,
+  useFetchWikiCommit,
+} from '@/hooks/use-knowledge-request';
+import { Docagg } from '@/interfaces/database/chat';
+import { IArtifact, IWikiCommit } from '@/interfaces/database/dataset';
+import { downloadMarkdownFile } from '@/utils/file-util';
+import { useCallback, useEffect, useMemo } from 'react';
+
+import type { WikiPageType } from '../utils/parse-wiki-link';
+import { useCommitArtifact } from './use-commit-artifact';
+import { useWikiEditor } from './use-wiki-editor';
+import { useWikiLinkNavigation } from './use-wiki-link-navigation';
+
+type UseWikiDetailContentOptions = {
+  selectedArtifact: IArtifact | null;
+  selectedVersion: IWikiCommit | null;
+  onSelectVersion: (version: IWikiCommit | null) => void;
+  onSelectArtifact: (artifact: IArtifact) => void;
+};
+
+export function useWikiDetailContent({
+  selectedArtifact,
+  selectedVersion,
+  onSelectVersion,
+  onSelectArtifact,
+}: UseWikiDetailContentOptions) {
+  const isVersionView = !!selectedVersion;
+
+  const { data: pageData, loading: pageLoading } = useFetchArtifactPage(
+    isVersionView ? null : selectedArtifact,
+  );
+  const { data: commitDetail, loading: commitLoading } = useFetchWikiCommit(
+    selectedVersion?.id ?? null,
+  );
+
+  const {
+    currentEntry,
+    previousEntry,
+    canGoBack,
+    push,
+    goBack,
+    reset,
+    updateCurrentTitle,
+  } = useWikiLinkNavigation();
+
+  // Keep the current stack entry's title in sync with pageData.
+  useEffect(() => {
+    if (!currentEntry || !pageData) return;
+    if (currentEntry.slug !== pageData.slug) return;
+    updateCurrentTitle(pageData.title);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [currentEntry?.slug, pageData?.slug, pageData?.title, updateCurrentTitle]);
+
+  // When selectedArtifact changes from the left panel (not from our own
+  // wiki-link navigation), reset the stack.  Wiki-link clicks call push()
+  // before onSelectArtifact(), so currentEntry.slug already matches by the
+  // time this effect runs and we bail out.
+  useEffect(() => {
+    if (isVersionView || !selectedArtifact) return;
+    if (currentEntry?.slug === selectedArtifact.slug) return;
+
+    reset({
+      slug: selectedArtifact.slug,
+      title: selectedArtifact.title,
+      pageType: selectedArtifact.page_type ?? '',
+    });
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [
+    isVersionView,
+    selectedArtifact?.slug,
+    selectedArtifact?.title,
+    selectedArtifact?.page_type,
+    currentEntry?.slug,
+    reset,
+  ]);
+
+  const content = isVersionView
+    ? (commitDetail?.content_after ?? '')
+    : (pageData?.content_md_rendered ?? '');
+
+  const title =
+    currentEntry?.title ||
+    pageData?.title ||
+    selectedArtifact?.title ||
+    currentEntry?.slug ||
+    '';
+
+  const displayedArtifact = currentEntry
+    ? { slug: currentEntry.slug, title: currentEntry.title, page_type: currentEntry.pageType }
+    : selectedArtifact;
+
+  const previousEntryTitle = previousEntry?.title || previousEntry?.slug;
+
+  const editorKey = isVersionView
+    ? `${selectedArtifact?.slug}@${selectedVersion?.id}`
+    : (selectedArtifact?.slug ?? '');
+
+  const handleMarkdownLinkClick = useCallback(
+    (pageType: WikiPageType, slug: string) => {
+      if (isVersionView) return;
+      if (currentEntry?.slug === slug && currentEntry?.pageType === pageType)
+        return;
+
+      // Sync the current entry's title from pageData before pushing a new
+      // entry, so the title is preserved when this entry becomes the
+      // "previous" entry for the back button.
+      if (
+        currentEntry &&
+        pageData &&
+        pageData.slug === currentEntry.slug &&
+        pageData.title
+      ) {
+        updateCurrentTitle(pageData.title);
+      }
+
+      push({ slug, title: '', pageType });
+      onSelectArtifact({ slug, page_type: pageType, title: '' });
+    },
+    [
+      push,
+      onSelectArtifact,
+      isVersionView,
+      currentEntry,
+      pageData,
+      updateCurrentTitle,
+    ],
+  );
+
+  const handleBack = useCallback(() => {
+    if (!previousEntry) return;
+    goBack();
+    onSelectArtifact({
+      slug: previousEntry.slug,
+      page_type: previousEntry.pageType,
+      title: previousEntry.title,
+    });
+  }, [goBack, previousEntry, onSelectArtifact]);
+
+  const {
+    editedContent,
+    isDirty,
+    handleContentChange,
+    handleCancelEdit,
+    handleMarkAsSaved,
+  } = useWikiEditor({
+    content,
+    artifactSlug: editorKey,
+  });
+
+  const handleCommitSuccess = useCallback(() => {
+    handleMarkAsSaved();
+    if (isVersionView) {
+      onSelectVersion(null);
+    }
+  }, [handleMarkAsSaved, isVersionView, onSelectVersion]);
+
+  const { isOpen, open, close, form, handleConfirm, isUpdating } =
+    useCommitArtifact({
+      editedContent,
+      pageType: currentEntry?.pageType ?? selectedArtifact?.page_type ?? '',
+      slug: currentEntry?.slug ?? selectedArtifact?.slug ?? '',
+      onSuccess: handleCommitSuccess,
+    });
+
+  const { documents } = useFetchDocumentsByIds(
+    pageData?.source_doc_ids ?? [],
+  );
+
+  const referenceDocuments = useMemo<Docagg[]>(() => {
+    return documents.map(
+      (doc): Docagg => ({
+        doc_id: doc.id,
+        doc_name: doc.name,
+        count: 0,
+      }),
+    );
+  }, [documents]);
+
+  const handleExport = useCallback(() => {
+    const filename = `${title ?? 'document'}.md`;
+    downloadMarkdownFile(editedContent, filename);
+  }, [title, editedContent]);
+
+  const loading = isVersionView ? commitLoading : pageLoading;
+
+  return {
+    isVersionView,
+    title,
+    displayedArtifact,
+    displayedContent: content,
+    displayedPageType: currentEntry?.pageType ?? pageData?.page_type ?? '',
+    displayedSlug: currentEntry?.slug ?? pageData?.slug ?? '',
+    selectedArtifact,
+    selectedVersion,
+    commitDetail,
+    canGoBack,
+    previousEntry,
+    previousEntryTitle,
+    linkNavLoading: false,
+    loading,
+    editedContent,
+    isDirty,
+    referenceDocuments,
+    isOpen,
+    open,
+    close,
+    form,
+    handleConfirm,
+    isUpdating,
+    handleCancelEdit,
+    handleContentChange,
+    handleMarkdownLinkClick,
+    handleBack,
+    handleExport,
+    onSelectVersion,
+  };
+}
diff --git a/web/src/pages/dataset/compilation/hooks/use-wiki-link-navigation.ts b/web/src/pages/dataset/compilation/hooks/use-wiki-link-navigation.ts
new file mode 100644
index 0000000000..94f4b102a8
--- /dev/null
+++ b/web/src/pages/dataset/compilation/hooks/use-wiki-link-navigation.ts
@@ -0,0 +1,64 @@
+import { useCallback, useState } from 'react';
+
+export type NavEntry = {
+  slug: string;
+  title: string;
+  pageType: string;
+};
+
+interface NavState {
+  stack: NavEntry[];
+  currentIndex: number;
+}
+
+export function useWikiLinkNavigation() {
+  const [state, setState] = useState<NavState>({
+    stack: [],
+    currentIndex: -1,
+  });
+
+  const push = useCallback((entry: NavEntry) => {
+    setState((prev) => ({
+      stack: [...prev.stack.slice(0, prev.currentIndex + 1), entry],
+      currentIndex: prev.currentIndex + 1,
+    }));
+  }, []);
+
+  const goBack = useCallback(() => {
+    setState((prev) => ({
+      ...prev,
+      currentIndex: Math.max(0, prev.currentIndex - 1),
+    }));
+  }, []);
+
+  const reset = useCallback((entry: NavEntry) => {
+    setState({ stack: [entry], currentIndex: 0 });
+  }, []);
+
+  const updateCurrentTitle = useCallback((title: string) => {
+    setState((prev) => {
+      if (prev.currentIndex < 0) return prev;
+      const entry = prev.stack[prev.currentIndex];
+      if (!entry || entry.title === title) return prev;
+      const newStack = [...prev.stack];
+      newStack[prev.currentIndex] = { ...entry, title };
+      return { ...prev, stack: newStack };
+    });
+  }, []);
+
+  const currentEntry =
+    state.currentIndex >= 0 ? state.stack[state.currentIndex] : null;
+  const previousEntry =
+    state.currentIndex > 0 ? state.stack[state.currentIndex - 1] : null;
+  const canGoBack = state.currentIndex > 0;
+
+  return {
+    currentEntry,
+    previousEntry,
+    canGoBack,
+    push,
+    goBack,
+    reset,
+    updateCurrentTitle,
+  };
+}
diff --git a/web/src/pages/dataset/compilation/index.tsx b/web/src/pages/dataset/compilation/index.tsx
index c39dd4e414..e9fa3aa1a0 100644
--- a/web/src/pages/dataset/compilation/index.tsx
+++ b/web/src/pages/dataset/compilation/index.tsx
@@ -153,6 +153,7 @@ export default function Compilation() {
                   selectedArtifact={selectedArtifact}
                   selectedVersion={selectedVersion}
                   onSelectVersion={selectVersion}
+                  onSelectArtifact={handleSelectArtifact}
                 />
               </ResizablePanel>
             </ResizablePanelGroup>
diff --git a/web/src/pages/dataset/compilation/utils/parse-wiki-link.ts b/web/src/pages/dataset/compilation/utils/parse-wiki-link.ts
new file mode 100644
index 0000000000..f802c004ca
--- /dev/null
+++ b/web/src/pages/dataset/compilation/utils/parse-wiki-link.ts
@@ -0,0 +1,50 @@
+export type WikiPageType = 'concept' | 'entity';
+
+/**
+ * Parse an internal wiki link href into pageType and slug.
+ *
+ * Supports the common rendered forms:
+ *   artifact/{datasetId}/{pageType}/{slug}
+ *   /artifact/{datasetId}/{pageType}/{slug}
+ *   {pageType}/{slug}
+ *   /{pageType}/{slug}
+ *
+ * Only entity/ and concept/ links are considered wiki navigation links.
+ */
+export function parseWikiLinkHref(
+  href: string,
+): { pageType: WikiPageType; slug: string } | null {
+  const normalized = href.trim();
+  if (!normalized) return null;
+
+  // Prefer the artifact/{datasetId}/{pageType}/{slug} form.
+  const artifactMatch = normalized.match(
+    /(?:^|\/)artifact\/[^/]+\/(entity|concept)\/([^/\s"']+)/,
+  );
+  if (artifactMatch) {
+    return {
+      pageType: artifactMatch[1] as WikiPageType,
+      slug: artifactMatch[2],
+    };
+  }
+
+  // Fallback to a plain {pageType}/{slug} form.
+  const simpleMatch = normalized.match(
+    /(?:^|\/)(entity|concept)\/([^/\s"']+)/,
+  );
+  if (simpleMatch) {
+    return {
+      pageType: simpleMatch[1] as WikiPageType,
+      slug: simpleMatch[2],
+    };
+  }
+
+  return null;
+}
+
+/**
+ * Check whether a link href looks like an internal wiki navigation link.
+ */
+export function isWikiLinkHref(href?: string): boolean {
+  return Boolean(href && parseWikiLinkHref(href));
+}
diff --git a/web/src/pages/dataset/compilation/wiki-detail-content.tsx b/web/src/pages/dataset/compilation/wiki-detail-content.tsx
index 0165528d84..a0b35d55d5 100644
--- a/web/src/pages/dataset/compilation/wiki-detail-content.tsx
+++ b/web/src/pages/dataset/compilation/wiki-detail-content.tsx
@@ -1,221 +1,97 @@
-import Empty from '@/components/empty/empty';
-import MarkdownEditor from '@/components/markdown-editor';
-import { ReferenceDocumentList } from '@/components/next-message-item/reference-document-list';
-import { Button } from '@/components/ui/button';
-import {
-  ResizableHandle,
-  ResizablePanel,
-  ResizablePanelGroup,
-} from '@/components/ui/resizable';
-import { Spin } from '@/components/ui/spin';
-import {
-  Tooltip,
-  TooltipContent,
-  TooltipTrigger,
-} from '@/components/ui/tooltip';
-import { useFetchDocumentsByIds } from '@/hooks/use-document-request';
-import {
-  useFetchArtifactPage,
-  useFetchWikiCommit,
-} from '@/hooks/use-knowledge-request';
-import { Docagg } from '@/interfaces/database/chat';
-import { IArtifact, IWikiCommit } from '@/interfaces/database/dataset';
-import { downloadMarkdownFile } from '@/utils/file-util';
-import { Download } from 'lucide-react';
-import { useCallback, useMemo } from 'react';
 import { useTranslation } from 'react-i18next';
-import { useCommitArtifact } from './hooks/use-commit-artifact';
-import { useWikiEditor } from './hooks/use-wiki-editor';
-import { VersionHistorySheet } from './version-history-sheet';
+
+import Empty from '@/components/empty/empty';
+import { IArtifact, IWikiCommit } from '@/interfaces/database/dataset';
+
+import { useWikiDetailContent } from './hooks/use-wiki-detail-content';
 import { WikiCommitModal } from './wiki-commit-modal';
-import { WikiVersionDiffPanel } from './wiki-version-diff-panel';
+import { WikiDetailEditorPanel } from './wiki-detail-editor-panel';
+import { WikiDetailHeader } from './wiki-detail-header';
+import { WikiDetailToolbar } from './wiki-detail-toolbar';
 
 type WikiDetailContentProps = {
   selectedArtifact: IArtifact | null;
   selectedVersion: IWikiCommit | null;
   onSelectVersion: (version: IWikiCommit | null) => void;
+  onSelectArtifact: (artifact: IArtifact) => void;
 };
 
 export function WikiDetailContent({
   selectedArtifact,
   selectedVersion,
   onSelectVersion,
+  onSelectArtifact,
 }: WikiDetailContentProps) {
   const { t } = useTranslation();
-  const isVersionView = !!selectedVersion;
-
-  const { data: pageData, loading: pageLoading } = useFetchArtifactPage(
-    isVersionView ? null : selectedArtifact,
-  );
-  const { data: commitDetail, loading: commitLoading } = useFetchWikiCommit(
-    selectedVersion?.id ?? null,
-  );
-
-  const title = pageData?.title ?? selectedArtifact?.title;
-
-  const pageType = isVersionView
-    ? selectedArtifact?.page_type
-    : pageData?.page_type;
-  const slug = isVersionView ? selectedArtifact?.slug : pageData?.slug;
-  const content = isVersionView
-    ? (commitDetail?.content_after ?? '')
-    : (pageData?.content_md_rendered ?? '');
-  const sourceDocIds = isVersionView ? [] : (pageData?.source_doc_ids ?? []);
-
-  const editorKey = isVersionView
-    ? `${selectedArtifact?.slug}@${selectedVersion?.id}`
-    : selectedArtifact?.slug;
-
   const {
+    isVersionView,
+    title,
+    displayedArtifact,
+    commitDetail,
+    canGoBack,
+    previousEntryTitle,
+    linkNavLoading,
+    loading,
     editedContent,
+    displayedContent,
+    referenceDocuments,
     isDirty,
-    handleContentChange,
+    isOpen,
+    open,
+    close,
+    form,
+    handleConfirm,
+    isUpdating,
     handleCancelEdit,
-    handleMarkAsSaved,
-  } = useWikiEditor({
-    content,
-    artifactSlug: editorKey,
+    handleContentChange,
+    handleMarkdownLinkClick,
+    handleBack,
+    handleExport,
+  } = useWikiDetailContent({
+    selectedArtifact,
+    selectedVersion,
+    onSelectVersion,
+    onSelectArtifact,
   });
 
-  const handleCommitSuccess = useCallback(() => {
-    handleMarkAsSaved();
-    if (isVersionView) {
-      onSelectVersion(null);
-    }
-  }, [handleMarkAsSaved, isVersionView, onSelectVersion]);
-
-  const { isOpen, open, close, form, handleConfirm, isUpdating } =
-    useCommitArtifact({
-      editedContent,
-      pageType: pageType ?? '',
-      slug: slug ?? '',
-      onSuccess: handleCommitSuccess,
-    });
-
-  const { documents } = useFetchDocumentsByIds(sourceDocIds);
-
-  const referenceDocuments = useMemo<Docagg[]>(() => {
-    return documents.map(
-      (doc): Docagg => ({
-        doc_id: doc.id,
-        doc_name: doc.name,
-        count: 0,
-      }),
-    );
-  }, [documents]);
-
-  const handleExport = useCallback(() => {
-    const filename = `${title ?? 'document'}.md`;
-    downloadMarkdownFile(editedContent, filename);
-  }, [title, editedContent]);
-
-  const renderToolbarButtons = () => {
-    if (isDirty) {
-      return (
-        <div className="flex items-center gap-2">
-          <Button
-            type="button"
-            variant="outline"
-            size="sm"
-            onClick={handleCancelEdit}
-          >
-            {t('common.cancel')}
-          </Button>
-          <Button type="button" size="sm" onClick={open}>
-            {t('knowledgeDetails.commit')}
-          </Button>
-        </div>
-      );
-    }
-
-    return (
-      <div className="flex items-center gap-1">
-        <Tooltip>
-          <TooltipTrigger asChild>
-            <Button
-              variant="ghost"
-              size="icon"
-              className="size-8"
-              onClick={handleExport}
-            >
-              <Download className="size-4" />
-            </Button>
-          </TooltipTrigger>
-          <TooltipContent>{t('knowledgeDetails.export')}</TooltipContent>
-        </Tooltip>
-        <VersionHistorySheet
-          selectedArtifact={selectedArtifact}
-          selectedVersion={selectedVersion}
-          onSelectVersion={onSelectVersion}
-        />
-      </div>
-    );
-  };
-
-  const loading = isVersionView ? commitLoading : pageLoading;
+  const toolbar = (
+    <WikiDetailToolbar
+      isDirty={isDirty}
+      selectedArtifact={selectedArtifact}
+      selectedVersion={selectedVersion}
+      onCancelEdit={handleCancelEdit}
+      onCommitClick={open}
+      onExport={handleExport}
+      onSelectVersion={onSelectVersion}
+    />
+  );
 
   return (
     <section className="size-full min-w-0 flex flex-col">
       {selectedArtifact ? (
         <>
-          <header className="shrink-0 px-8 pt-8 pb-4">
-            <div className="flex items-start justify-between">
-              <div className="flex flex-col gap-2">
-                <h1 className="text-3xl font-semibold text-text-primary">
-                  {title ?? selectedArtifact.title}
-                </h1>
-                <div className="flex items-center gap-2">
-                  {isVersionView && commitDetail && (
-                    <span className="text-sm text-accent-primary bg-accent-primary-5 px-2 py-0.5 rounded">
-                      {commitDetail.title}
-                    </span>
-                  )}
-                </div>
-              </div>
+          <WikiDetailHeader
+            title={title}
+            displayedArtifact={displayedArtifact}
+            commitDetail={commitDetail}
+            isVersionView={isVersionView}
+            toolbar={toolbar}
+            canGoBack={canGoBack}
+            previousEntryTitle={previousEntryTitle}
+            linkNavLoading={linkNavLoading}
+            onBack={handleBack}
+          />
 
-              {renderToolbarButtons()}
-            </div>
-          </header>
-
-          <div className="flex-1 min-h-0 flex flex-col border-t border-border-button">
-            <ResizablePanelGroup direction="horizontal" className="flex-1">
-              <ResizablePanel minSize={30}>
-                <div className="h-full min-w-0 overflow-y-auto px-8 pb-8 flex flex-col">
-                  {loading && !content ? (
-                    <div className="py-8 flex justify-center">
-                      <Spin size="large" />
-                    </div>
-                  ) : (
-                    <MarkdownEditor
-                      content={editedContent}
-                      onChange={handleContentChange}
-                    />
-                  )}
-
-                  {referenceDocuments.length > 0 && (
-                    <div className="mt-8">
-                      <h3 className="text-sm font-medium text-text-secondary mb-3">
-                        {t('knowledgeDetails.sourceDocuments')}
-                      </h3>
-                      <ReferenceDocumentList list={referenceDocuments} />
-                    </div>
-                  )}
-                </div>
-              </ResizablePanel>
-
-              {isVersionView && commitDetail && (
-                <>
-                  <ResizableHandle withHandle />
-                  <ResizablePanel defaultSize={30} minSize={20}>
-                    <WikiVersionDiffPanel
-                      diff={commitDetail.diff}
-                      title={commitDetail.comments || commitDetail.title}
-                    />
-                  </ResizablePanel>
-                </>
-              )}
-            </ResizablePanelGroup>
-          </div>
+          <WikiDetailEditorPanel
+            loading={loading}
+            editedContent={editedContent}
+            displayedContent={displayedContent}
+            referenceDocuments={referenceDocuments}
+            isVersionView={isVersionView}
+            commitDetail={commitDetail}
+            onContentChange={handleContentChange}
+            onWikiLinkClick={handleMarkdownLinkClick}
+          />
 
           <WikiCommitModal
             open={isOpen}
diff --git a/web/src/pages/dataset/compilation/wiki-detail-editor-panel.tsx b/web/src/pages/dataset/compilation/wiki-detail-editor-panel.tsx
new file mode 100644
index 0000000000..5337c5f60e
--- /dev/null
+++ b/web/src/pages/dataset/compilation/wiki-detail-editor-panel.tsx
@@ -0,0 +1,82 @@
+import { useTranslation } from 'react-i18next';
+
+import MarkdownEditor from '@/components/markdown-editor';
+import { ReferenceDocumentList } from '@/components/next-message-item/reference-document-list';
+import {
+  ResizableHandle,
+  ResizablePanel,
+  ResizablePanelGroup,
+} from '@/components/ui/resizable';
+import { Spin } from '@/components/ui/spin';
+import type { Docagg } from '@/interfaces/database/chat';
+import type { IWikiCommitDetail } from '@/interfaces/database/dataset';
+
+import type { WikiPageType } from './utils/parse-wiki-link';
+import { WikiVersionDiffPanel } from './wiki-version-diff-panel';
+
+type WikiDetailEditorPanelProps = {
+  loading: boolean;
+  editedContent: string;
+  displayedContent: string | undefined;
+  referenceDocuments: Docagg[];
+  isVersionView: boolean;
+  commitDetail: IWikiCommitDetail | null | undefined;
+  onContentChange: (value: string) => void;
+  onWikiLinkClick: (pageType: WikiPageType, slug: string) => void;
+};
+
+export function WikiDetailEditorPanel({
+  loading,
+  editedContent,
+  displayedContent,
+  referenceDocuments,
+  isVersionView,
+  commitDetail,
+  onContentChange,
+  onWikiLinkClick,
+}: WikiDetailEditorPanelProps) {
+  const { t } = useTranslation();
+
+  return (
+    <div className="flex-1 min-h-0 flex flex-col border-t border-border-button">
+      <ResizablePanelGroup direction="horizontal" className="flex-1">
+        <ResizablePanel minSize={30}>
+          <div className="h-full min-w-0 overflow-y-auto px-8 pb-8 flex flex-col">
+            {loading && !displayedContent ? (
+              <div className="py-8 flex justify-center">
+                <Spin size="large" />
+              </div>
+            ) : (
+              <MarkdownEditor
+                content={editedContent}
+                onChange={onContentChange}
+                onWikiLinkClick={onWikiLinkClick}
+              />
+            )}
+
+            {referenceDocuments.length > 0 && (
+              <div className="mt-8">
+                <h3 className="text-sm font-medium text-text-secondary mb-3">
+                  {t('knowledgeDetails.sourceDocuments')}
+                </h3>
+                <ReferenceDocumentList list={referenceDocuments} />
+              </div>
+            )}
+          </div>
+        </ResizablePanel>
+
+        {isVersionView && commitDetail && (
+          <>
+            <ResizableHandle withHandle />
+            <ResizablePanel defaultSize={30} minSize={20}>
+              <WikiVersionDiffPanel
+                diff={commitDetail.diff}
+                title={commitDetail.comments || commitDetail.title}
+              />
+            </ResizablePanel>
+          </>
+        )}
+      </ResizablePanelGroup>
+    </div>
+  );
+}
diff --git a/web/src/pages/dataset/compilation/wiki-detail-header.tsx b/web/src/pages/dataset/compilation/wiki-detail-header.tsx
new file mode 100644
index 0000000000..395ef856d5
--- /dev/null
+++ b/web/src/pages/dataset/compilation/wiki-detail-header.tsx
@@ -0,0 +1,68 @@
+import type { ReactNode } from 'react';
+import { useTranslation } from 'react-i18next';
+
+import type { IArtifact, IWikiCommit } from '@/interfaces/database/dataset';
+import { MoveLeft } from 'lucide-react';
+
+import { Button } from '@/components/ui/button';
+
+type WikiDetailHeaderProps = {
+  title: string | undefined;
+  displayedArtifact: IArtifact | null | undefined;
+  commitDetail: IWikiCommit | null | undefined;
+  isVersionView: boolean;
+  toolbar: ReactNode;
+  canGoBack: boolean;
+  previousEntryTitle: string | undefined;
+  linkNavLoading: boolean;
+  onBack: () => void;
+};
+
+export function WikiDetailHeader({
+  title,
+  displayedArtifact,
+  commitDetail,
+  isVersionView,
+  toolbar,
+  canGoBack,
+  previousEntryTitle,
+  linkNavLoading,
+  onBack,
+}: WikiDetailHeaderProps) {
+  const { t } = useTranslation();
+
+  return (
+    <header className="shrink-0 px-5 pt-2 pb-4">
+      {canGoBack && (
+        <div className="shrink-0 pt-2 pb-2">
+          <Button
+            variant="ghost"
+            size="sm"
+            onClick={onBack}
+            disabled={linkNavLoading}
+            className="p-0 bg-transparent hover:bg-transparent text-text-secondary"
+          >
+            <MoveLeft className="size-4 mr-1" />
+            {previousEntryTitle ?? t('common.back')}
+          </Button>
+        </div>
+      )}
+      <div className="flex items-start justify-between">
+        <div className="flex flex-col gap-2">
+          <h1 className="text-3xl font-semibold text-text-primary">
+            {title ?? displayedArtifact?.title}
+          </h1>
+          <div className="flex items-center gap-2">
+            {isVersionView && commitDetail && (
+              <span className="text-sm text-accent-primary bg-accent-primary-5 px-2 py-0.5 rounded">
+                {commitDetail.title}
+              </span>
+            )}
+          </div>
+        </div>
+
+        {toolbar}
+      </div>
+    </header>
+  );
+}
diff --git a/web/src/pages/dataset/compilation/wiki-detail-toolbar.tsx b/web/src/pages/dataset/compilation/wiki-detail-toolbar.tsx
new file mode 100644
index 0000000000..950745e676
--- /dev/null
+++ b/web/src/pages/dataset/compilation/wiki-detail-toolbar.tsx
@@ -0,0 +1,75 @@
+import type { IArtifact, IWikiCommit } from '@/interfaces/database/dataset';
+import { Download } from 'lucide-react';
+import { useTranslation } from 'react-i18next';
+
+import { Button } from '@/components/ui/button';
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipTrigger,
+} from '@/components/ui/tooltip';
+
+import { VersionHistorySheet } from './version-history-sheet';
+
+type WikiDetailToolbarProps = {
+  isDirty: boolean;
+  selectedArtifact: IArtifact | null;
+  selectedVersion: IWikiCommit | null;
+  onCancelEdit: () => void;
+  onCommitClick: () => void;
+  onExport: () => void;
+  onSelectVersion: (version: IWikiCommit | null) => void;
+};
+
+export function WikiDetailToolbar({
+  isDirty,
+  selectedArtifact,
+  selectedVersion,
+  onCancelEdit,
+  onCommitClick,
+  onExport,
+  onSelectVersion,
+}: WikiDetailToolbarProps) {
+  const { t } = useTranslation();
+
+  if (isDirty) {
+    return (
+      <div className="flex items-center gap-2">
+        <Button
+          type="button"
+          variant="outline"
+          size="sm"
+          onClick={onCancelEdit}
+        >
+          {t('common.cancel')}
+        </Button>
+        <Button type="button" size="sm" onClick={onCommitClick}>
+          {t('knowledgeDetails.commit')}
+        </Button>
+      </div>
+    );
+  }
+
+  return (
+    <div className="flex items-center gap-1">
+      <Tooltip>
+        <TooltipTrigger asChild>
+          <Button
+            variant="ghost"
+            size="icon"
+            className="size-8"
+            onClick={onExport}
+          >
+            <Download className="size-4" />
+          </Button>
+        </TooltipTrigger>
+        <TooltipContent>{t('knowledgeDetails.export')}</TooltipContent>
+      </Tooltip>
+      <VersionHistorySheet
+        selectedArtifact={selectedArtifact}
+        selectedVersion={selectedVersion}
+        onSelectVersion={onSelectVersion}
+      />
+    </div>
+  );
+}