Key Security Features Added

2-Hour Trial for Demo Accounts:

The 2-hour trial period expires for demo accounts without a valid license.

Demo-Only Trial:

Detects account type using AccountInfoInteger(ACCOUNT_TRADE_MODE) (returns 0 for demo accounts).

Trial mode (2 hours) activates exclusively for demo accounts with an invalid license.

Real accounts require a valid license immediately upon access.

License Logic:

A valid license key grants full access to both demo and real accounts.

Invalid licenses restrict access to a 2-hour demo trial.

Enhanced Messaging:

All alerts and print statements include the account number for clarity.

Provides clear, user-friendly messages for trial mode.

Displays the remaining trial time on the chart via the Comment function for demo accounts.