User Story 2 - Modify Stock Numbers (All Roles)

[tvaneynde]

Story:

As a User, Manager or Admin, I want to update stock numbers, so I can keep the stock levels accurate when deliveries arrive or items are sold.

Acceptance Criteria:

• The user can search for items in the stock list.
• The user can modify the quantity of items in stock.
• Changes are reflected in real-time and visible to all users.