DOCDESK

Task Description:
Create the Diagnosis Master module for Admin users.
Admin should be able to Add, View, Edit, and Enable/Disable diagnosis records.
Diagnosis data will be used later by doctors during consultation.

Features to Implement:
Add new diagnosis
List all diagnoses
Edit diagnosis name
Enable / Disable diagnosis (soft delete)

Basic Validations Checklist:
Diagnosis name is required
Diagnosis name must be unique
Trim leading and trailing spaces
Prevent saving duplicate diagnosis names
Show error if diagnosis already exists
Enable/Disable should not delete records
Show success message on add/update
Show confirmation before disabling