previous prescriptions - added functionality to fetch the previous...

Description:

Briefly describe your changes.

Type of Change:

• Bug Fix
• Feature Development
• Documentation

Testing:

• Tested on desktop
• Tested on mobile
• Tested in different browsers

Screenshots (if applicable):

Add screenshots for UI changes.

Video Demo

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If you have used AI create this PR, please also record video of yourself explaining the changes.

Link to code walkthrough

Checklist:

• Code follows project style guidelines
• Self-review completed
• No console errors
• JavaScript types are correct