Git GPG Signing Comprehensive guidance for setting up, configuring, and troubleshooting GPG commit signing across all platforms. Table of Contents - Overview - When to Use This Skill - Quick Start - Platform-Specific Setup - Key Generation - Git Configuration - Passphrase Caching - GitHub Integration - Troubleshooting - GPG Signing Methods Comparison - Security Best Practices - Resources - Related Skills Overview Git commit signing provides cryptographic proof that commits came from you. This skill helps you: - Install and configure GPG tools on Windows, macOS, and Linux - Set up commit signi…