Build payment dispute resolution with evidence management

[Smartdevs17]

Context

Payment disputes need structured resolution.

Current Limitation

Dispute resolution is informal.

Expected Outcome

• Structured dispute workflow
• Evidence management
• Resolution tracking
• Dispute analytics

Acceptance Criteria

• Structured dispute workflow
• Evidence upload and management
• Resolution tracking
• Dispute analytics
• Dispute notifications
• Dispute API
• Dispute documentation