Discord Message Deletion Automation -- 2

I'm looking for a solution to completely and fully automatically delete all Discord messages between my account and one specific person. I have already tried deleting the messages manually, and I'm using the mobile application.

Key Requirements:
- Fully automated process
- Works on Discord mobile application
- Ability to delete messages between specific users

Ideal Skills and Experience:
- Experience with Discord API or automation tools
- Familiarity with mobile application automation
- Proven track record in message deletion tasks

Please provide details on how you would accomplish this task.