Revert "feat: 完整集成JWLLL搜索推荐系统到Merge项目"

This reverts commit b2ef519aa46c958768dba291676a9a4590d2b9ff.

Reason for revert: <错误的接口修改>

Change-Id: Ie3e7748c5331c509f45757792af5fe9e17172953
diff --git a/Merge/front/src/components/CreatePost.jsx b/Merge/front/src/components/CreatePost.jsx
index c11e247..1d2f306 100644
--- a/Merge/front/src/components/CreatePost.jsx
+++ b/Merge/front/src/components/CreatePost.jsx
@@ -13,8 +13,10 @@
   const navigate = useNavigate()
   const { postId } = useParams()
   const isEdit = Boolean(postId)
+
   // 步骤:新帖先上传,编辑则直接到 detail
   const [step, setStep] = useState(isEdit ? 'detail' : 'upload')
+  const [files, setFiles] = useState([])
   const [mediaUrls, setMediaUrls] = useState([])
 
   // 表单字段
@@ -51,8 +53,10 @@
       .catch(err => setError(err.message))
       .finally(() => setLoading(false))
   }, [isEdit, postId])
+
   // 上传回调
   const handleUploadComplete = async uploadedFiles => {
+    setFiles(uploadedFiles)
     // TODO: 真正上传到服务器后替换为服务端 URL
     const urls = await Promise.all(
       uploadedFiles.map(f => URL.createObjectURL(f))