const mongoose = require('mongoose'); const trackSchema = new mongoose.Schema( { event: { type: mongoose.Schema.Types.ObjectId, ref: 'Event', required: true, index: true }, name: { type: String, required: true, trim: true }, hall: String, status: { type: String, default: 'active' }, }, { timestamps: true, collection: 'tracks', strict: false }, ); module.exports = mongoose.models.Track || mongoose.model('Track', trackSchema);