Implement load claiming system

[markoub]

Description

Create the core booking workflow that allows drivers to claim loads and load owners to accept or decline drivers.

Tasks

• Create load claiming API endpoint
• Implement "Claim Load" functionality for drivers
• Add notification system for load owners when load is claimed
• Create acceptance/decline workflow for load owners
• Implement load status tracking:
  • Posted → Claimed → Accepted → In Transit → Delivered
• Add status update functionality
• Create status display on both dashboards
• Implement business logic to prevent multiple claims

Acceptance Criteria

• Drivers can claim available loads
• Load owners receive notifications about claims
• Load owners can accept or decline drivers
• Status tracking works correctly through all stages
• Only one driver can claim a load at a time
• Status updates are reflected in real-time

Priority

Phase 2 - Core interaction functionality