Sync Design System Skill

Keeps specs/design_system.md synchronized with design implementation decisions made during sessions.

File Locations

• Target: Design system document (may be single file or directory)
  • Single file: specs/design_system.md
  • Directory: specs/design_system/ (content split across files)
• Context: Current session history, codebase changes

Detection: Check for single file first (takes precedence), then directory.

When to Trigger