Create warehouse zones on grid

[AliiiBenn]

Description

Allow users to create zones on the warehouse grid via a simple interface.

Requirements

• User can select an area on the grid
• "Create zone" button opens a dialog
• Dialog allows user to enter zone name
• Zone is created as a rectangle at the selected location
• Zone is visually displayed on the grid

User Flow

1. User selects location on the grid
2. User clicks "Create zone" button
3. Dialog opens for zone name input
4. User enters name and confirms
5. Zone rectangle appears on the grid

Priority

High - Core functionality

Notes

• Zones are draggable after creation
• Zone positions are persisted locally