v3.1.0 - Template Upgrade Feature

🎉 New Feature: Template Upgrade

codesyncer update now automatically detects outdated templates and offers to upgrade them!

How it works

📦 New Version Detected: v3.1.0

  📁 my-project/
     • CLAUDE.md (v3.0.0 → v3.1.0)
     • COMMENT_GUIDE.md (no version → v3.1.0)

? Upgrade 2 template(s)?
  > Yes - Upgrade (backup existing files to .backup)
    No - Skip
    Preview - Show files only

Features

• 🔍 Auto-detection: Reads version metadata from existing templates
• 💾 Safe backup: Creates .backup.YYYY-MM-DD files before upgrading
• 📋 Variable preservation: Keeps your project name, tech stack, etc.
• 👁️ Preview mode: See what would change before upgrading

What's Changed

• Added version metadata (<!-- codesyncer-version: X.Y.Z -->) to all templates
• New utilities: template-version.ts, template-upgrader.ts
• Enhanced update command with upgrade flow
• Updated README documentation

Installation / Update

npm install -g codesyncer@latest

Then run in your project:

codesyncer update

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Full Changelog: v3.0.1...v3.1.0