📝 TAREA 8: Exemption System¶

Status: ✅ COMPLETE Version: 1.0.0 Coverage Target: >85%

📋 Overview¶

Advanced exemption management system with approval workflow, expiry tracking, and audit trail for rule violations.

Purpose: - Manage exemptions from hierarchy rules - Approval workflow (request → approve/reject) - Track expiry dates and auto-extension - Generate audit reports and dashboards - Support legacy code migration

🚀 Quick Start¶

#include "exemption_system.hpp"

using namespace audiolab::hierarchy;

// Create manager
ExtendedExemptionManager mgr;

// Request exemption
std::string id = mgr.request_exemption(
    "LegacyModule",              // module
    "UPWARD_DEPENDENCY",         // rule
    "Legacy code migration",     // reason
    "dev@company.com",          // requester
    ExemptionType::MIGRATION    // type
);

// Approve exemption
mgr.approve_exemption(id, "architect@company.com", "2026-01-01");

// Check if exempt
if (mgr.is_exempt("LegacyModule", "UPWARD_DEPENDENCY")) {
    // Module is exempt
}

🎯 Features¶

1. Exemption Types¶

TEMPORARY: Expires after date
PERMANENT: Never expires (use sparingly!)
MIGRATION: Legacy code being migrated
TECHNICAL_DEBT: Known tech debt with tracking

2. Exemption Status¶

PENDING: Awaiting approval
APPROVED: Active exemption
REJECTED: Request denied
EXPIRED: Past expiry date
REVOKED: Cancelled after approval

3. Approval Workflow¶

// 1. Request
std::string id = mgr.request_exemption(...);

// 2. Approve/Reject
mgr.approve_exemption(id, "approver", "2026-01-01");
// or
mgr.reject_exemption(id, "rejector", "reason");

// 3. Revoke (if needed)
mgr.revoke_exemption(id, "revoker", "reason");

4. Expiry Management¶

// Get expiring soon (30 days)
auto expiring = mgr.get_expiring_soon(30);

// Cleanup expired
size_t cleaned = mgr.cleanup_expired();

// Auto-extend (for auto_extend=true)
size_t extended = mgr.auto_extend_exemptions(90);

5. Reporting¶

// Audit report
std::string audit = mgr.generate_audit_report();

// HTML dashboard
std::string html = mgr.generate_dashboard_html();

// CSV export
std::string csv = mgr.export_to_csv();

📊 ExtendedExemption Structure¶

struct ExtendedExemption {
    std::string id;                   // EXM-00001
    std::string module_name;          // Module
    std::string rule_id;              // Rule to exempt

    ExemptionType type;               // TEMPORARY/PERMANENT/etc
    ExemptionStatus status;           // PENDING/APPROVED/etc

    std::string reason;               // Justification
    std::string migration_plan;       // Fix plan
    size_t estimated_effort_hours;    // Effort to fix

    std::string requested_by;         // Requester
    std::string approved_by;          // Approver
    std::string expiry_date;          // YYYY-MM-DD

    std::string jira_ticket;          // Tracking ticket
    std::vector<std::string> tags;    // Tags

    bool is_active() const;
    bool is_expired() const;
    int days_until_expiry() const;
};

🧪 Testing¶

ctest -R test_exemption -V

Coverage: >85%

📚 API Reference¶

ExtendedExemptionManager¶

class ExtendedExemptionManager {
public:
    std::string request_exemption(...);
    bool approve_exemption(...);
    bool reject_exemption(...);
    bool revoke_exemption(...);

    bool is_exempt(const std::string& module, const std::string& rule) const;

    std::vector<ExtendedExemption> get_by_status(ExemptionStatus) const;
    std::vector<ExtendedExemption> get_expiring_soon(int days) const;

    size_t cleanup_expired();
    size_t auto_extend_exemptions(int days);

    std::string generate_audit_report() const;
    std::string export_to_csv() const;

    bool load_from_file(const std::string& path);
    bool save_to_file(const std::string& path) const;
};

🔗 Dependencies¶

05_01_06_enforcement_system (TAREA 7)
C++20 compiler
Catch2 v3 (testing)

✅ Success Criteria¶

Status: ✅ COMPLETE Version: 1.0.0 Last Updated: 2025-10-10