Implement Soroban Enterprise Reporting Format

[mijinummi]

🧠 Concept

Support enterprise-grade reporting outputs.

⚠️ Problem

Organizations require standardized reporting formats.

📁 Implementation Scope

• src/reporting/enterprise/stellar/

✅ Requirements

• Generate structured reports
• Support export formats
• Include compliance-ready summaries

🎯 Acceptance Criteria

• Enterprise reporting implemented
• Reports exported successfully