Add Duplicate Detection for Employees

[AliiiBenn]

Description

No detection of duplicate employee records, which can lead to:

• Multiple records for the same person
• Confusion in reports
• Certificate/documents attached to wrong employee

Requirements

1. Similar Name Detection:

   • When creating/editing employee, check for similar names
   • Show warning if potential duplicate found

2. Duplicate Actions:

   • View potential duplicate
   • Merge records (optional, complex)
   • Proceed anyway

3. Manual Merge Tool:

   • Combine two employee records
   • Keep one, archive other
   • Move all related data (contracts, certs)

Acceptance Criteria

• Warning shown when potential duplicate detected
• Can view the potential duplicate
• Can proceed with creation anyway