src/models/AuditLog.js

import mongoose from "mongoose";

const AuditLogSchema = new mongoose.Schema(
  {
    userId: mongoose.Schema.Types.ObjectId,
    action: String,
    severity: String,
    ip: String,
    userAgent: String,
    isAnomaly: { type: Boolean, default: false },
  },
  { timestamps: true }
);

export const AuditLog = mongoose.model("AuditLog", AuditLogSchema);