diff --git a/frontend/src/components/workspace/artifacts/artifact-file-detail.tsx b/frontend/src/components/workspace/artifacts/artifact-file-detail.tsx
index 64e5cbe2..8423617a 100644
--- a/frontend/src/components/workspace/artifacts/artifact-file-detail.tsx
+++ b/frontend/src/components/workspace/artifacts/artifact-file-detail.tsx
@@ -29,7 +29,6 @@ import { CodeEditor } from "@/components/workspace/code-editor";
 import { useArtifactContent } from "@/core/artifacts/hooks";
 import { urlOfArtifact } from "@/core/artifacts/utils";
 import { useI18n } from "@/core/i18n/hooks";
-import { POST_MESSAGE_TYPES, sendToParent } from "@/core/iframe-messages";
 import { installSkill } from "@/core/skills/api";
 import { streamdownPlugins } from "@/core/streamdown";
 import { checkCodeFile, getFileName } from "@/core/utils/files";
@@ -40,6 +39,16 @@ import { CitationLink } from "../citations/citation-link";
 
 import { useArtifacts } from "./context";
 
+const POST_MESSAGE_TYPES = {
+  FULLSCREEN: "fullscreen",
+} as const;
+
+function sendToParent(message: unknown): void {
+  if (window.parent !== window) {
+    window.parent.postMessage(message, "*");
+  }
+}
+
 export function ArtifactFileDetail({
   className,
   filepath: filepathFromProps,
diff --git a/frontend/src/hooks/use-iframe-skill.ts b/frontend/src/hooks/use-iframe-skill.ts
index 63cd5cee..8e381a70 100644
--- a/frontend/src/hooks/use-iframe-skill.ts
+++ b/frontend/src/hooks/use-iframe-skill.ts
@@ -1,12 +1,26 @@
 import { useSearchParams } from "next/navigation";
 import { useState, useEffect, useCallback } from "react";
 
-import {
-  POST_MESSAGE_TYPES,
-  RECEIVE_MESSAGE_TYPES,
-  sendToParent,
-  type SelectedSkillMessage,
-} from "@/core/iframe-messages";
+const POST_MESSAGE_TYPES = {
+  SELECT_SKILL: "selectSkill",
+  OPEN_SKILL_DIALOG: "openSkillDialog",
+} as const;
+
+const RECEIVE_MESSAGE_TYPES = {
+  SELECTED_SKILL: "selectedSkill",
+} as const;
+
+type SelectedSkillMessage = {
+  type: typeof RECEIVE_MESSAGE_TYPES.SELECTED_SKILL;
+  id: string | number;
+  title: string;
+};
+
+function sendToParent(message: unknown): void {
+  if (window.parent !== window) {
+    window.parent.postMessage(message, "*");
+  }
+}
 
 // Skill 数据类型
 interface SkillData {