Add individual property assertion editor

[aadorian]

Description

Stanford Protégé allows adding property assertions to individuals (object property assertions and data property assertions).

What to implement

In individual details panel, add:

• Object property assertions (individual -[property]-> individual)
• Data property assertions (individual -[property]-> literal value)
• Add/remove assertions

Difficulty: Medium

Skills: React, OWL

Tasks

• Add property assertions section to individual details
• Create object property assertion UI (property + individual picker)
• Create data property assertion UI (property + value input)
• Implement add/remove assertion functions

Acceptance Criteria

• Can view existing property assertions
• Can add object property assertion
• Can add data property assertion
• Can remove assertions