diff --git a/frontend/src/hooks/use-iframe-skill.ts b/frontend/src/hooks/use-iframe-skill.ts
deleted file mode 100644
index 8e381a70..00000000
--- a/frontend/src/hooks/use-iframe-skill.ts
+++ /dev/null
@@ -1,92 +0,0 @@
-import { useSearchParams } from "next/navigation";
-import { useState, useEffect, useCallback } from "react";
-
-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 {
-  skill_id: string;
-  title: string;
-}
-
-// Hook 返回类型
-interface UseIframeSkillReturn {
-  selectedSkill: SkillData | null;
-  sendSelectSkill: (skill_id: string) => void;
-  openSkillDialog: () => void;
-  clearSkill: () => void;
-}
-
-export function useIframeSkill(): UseIframeSkillReturn {
-  const searchParams = useSearchParams();
-  const skillIdFromQuery = searchParams.get("skill_id");
-  const titleFromQuery = searchParams.get("title");
-
-  const [selectedSkill, setSelectedSkill] = useState<SkillData | null>(null);
-
-  // 1. 监听 query 参数变化
-  useEffect(() => {
-    if (skillIdFromQuery && titleFromQuery) {
-      setSelectedSkill({ skill_id: skillIdFromQuery, title: titleFromQuery });
-    }
-  }, [skillIdFromQuery, titleFromQuery]);
-
-  // 2. 监听宿主页 postMessage
-  useEffect(() => {
-    const handleMessage = (event: MessageEvent) => {
-      if (event.data?.type === RECEIVE_MESSAGE_TYPES.SELECTED_SKILL) {
-        const { id, title } = event.data as SelectedSkillMessage;
-        setSelectedSkill({ skill_id: String(id), title });
-      }
-    };
-    window.addEventListener("message", handleMessage);
-    return () => window.removeEventListener("message", handleMessage);
-  }, []);
-
-  // 发送选择预定义 skill
-  const sendSelectSkill = useCallback((skill_id: string) => {
-    const message = { type: POST_MESSAGE_TYPES.SELECT_SKILL, skill_id };
-    console.log("[useIframeSkill] sendSelectSkill:", message);
-    sendToParent(message);
-  }, []);
-
-  // 打开 skill 选择对话框
-  const openSkillDialog = useCallback(() => {
-    const message = {
-      type: POST_MESSAGE_TYPES.OPEN_SKILL_DIALOG,
-      openSkillDialog: true,
-    } as const;
-    console.log("[useIframeSkill] openSkillDialog:", message);
-    sendToParent(message);
-  }, []);
-
-  // 清除选中并发送 skill_id=0 给主页
-  const clearSkill = useCallback(() => {
-    setSelectedSkill(null);
-    // 发送 skill_id=0 给主页，通知取消选择
-    const message = { type: POST_MESSAGE_TYPES.SELECT_SKILL, skill_id: "0" };
-    console.log("[useIframeSkill] clearSkill, sending skill_id=0:", message);
-    sendToParent(message);
-  }, []);
-
-  return { selectedSkill, sendSelectSkill, openSkillDialog, clearSkill };
-}