def to_markdown(result: dict) -> str:
    lines = []
    lines.append("## 🤖 Enterprise AI Code Review\n")
    lines.append(result.get("summary", "") + "\n")

    if not result.get("issues"):
        lines.append("✅ No issues found.\n")
    else:
        for issue in result["issues"]:
            lines.append(f"### ❗ {issue['severity']} — {issue['category']}")
            lines.append(f"- **File:** `{issue['file']}`")
            if issue.get("line"):
                lines.append(f"- **Line:** `{issue['line']}`")
            lines.append(f"- **Issue:** {issue['description']}")
            lines.append(f"- **Recommendation:** {issue['recommendation']}\n")

    lines.append("---")
    lines.append(f"**Overall severity:** `{result['overall_severity']}`")
    lines.append(
        "✅ **AI Approval**" if result.get("approval") else "❌ **Changes required**"
    )

    return "\n".join(lines)