Plugin overall components

1.gpt-assistant.php: Main plugin file

2.weblink_user_form.php: Handles weblink form submission

3.weblink_user_table.php: Displays user weblinks

4.weblink_notepad.php: Manages notepad functionality

5.class-notepad-api.php: Backend API for notepad operations

6.class-notepad-rest-api.php: REST API endpoints for notepad

7.class-NotepadUserTable.php: Displays notepad entries in a table

• NotepadHeaderForm: Handles the notepad form display and initial processing.
• NotepadAPI: Manages database operations 
• for notepad entries.
• NotepadRestAPI: Provides REST API endpoints for notepad operations.
• NotepadUserTable: Renders notepad data in various table
   formats.
• GPTAssistantPMProIntegration: Manages integration with Paid Memberships Pro and user limits.

These classes work together to provide a comprehensive notepad system with REST API support, improved user experience through AJAX submissions, and better integration with Paid Memberships Pro.