yryh

src/models/Category.js

@@ -3,7 +3,8 @@ const mongoose = require('mongoose');
 const categorySchema = new mongoose.Schema({
     id: { type: String, required: true, unique: true },
     name: { type: String, required: true },
-    description: String
+    description: String,
+    parent: { type: String, default: null } // Parent Category ID
 });
 
 module.exports = mongoose.model('Category', categorySchema);