fix: 1.接入ai_suggestion.

2. 接入合同起草功能。

app/components/collabora/hooks.ts

@@ -15,6 +15,7 @@ import { COLLABORA_URL } from '~/config/api-config';
 import { toastService } from '../ui/Toast';
 import {
   unoScrollToTop,
+  unoReplaceAll
 } from './lib';
 import type { CollaboraConfig } from './types';
 
@@ -131,14 +132,30 @@ export function useCollaboraUnoCommands(iframeRef: RefObject<HTMLIFrameElement>)
     await new Promise((resolve) => setTimeout(resolve, 100));
   }, [iframeRef]);
 
+  /**
+   * 替换所有匹配项
+   * @param searchText 要搜索的文本
+   * @param replaceText 替换后的文本
+   */
+  const replaceAll = useCallback(async (searchText: string, replaceText: string) => {
+    if (!iframeRef.current?.contentWindow) {
+      console.warn('[UNO] iframe 不可用');
+      return;
+    }
 
+    console.log('[UNO] 替换全部:', searchText, '->', replaceText);
+    await unoReplaceAll(iframeRef.current.contentWindow, searchText, replaceText);
+    await new Promise((resolve) => setTimeout(resolve, 100));
+  }, [iframeRef]);
 
   return useMemo(
     () => ({
-      scrollToTop
+      scrollToTop,
+      replaceAll
     }),
     [
-      scrollToTop
+      scrollToTop,
+      replaceAll
     ]
   );
 }