Fix Security Issue

Implement a code fix for a security issue that has already been reviewed by the review-security-issue skill.

Prerequisites

• The gh CLI must be authenticated (gh auth status)
• You must be in a git repository with a GitHub remote
• The issue must have topic:security. In unattended scan mode it must also have agent:implementation-requested; a direct user request to fix a specific issue does not require that label.
• The issue must have a prior security review comment (posted by review-security-issue) with a Legitimate concern determination and a remediation plan

Agent Comment Marker

All PR descriptions and comments posted by this skill must begin with the following marker line:

> **🔧 security-fix-agent**