Harness-engineering gof-visitor-pattern

name: gof-visitor-pattern version: "1.0.0" description: Add operations to object structures without modifying them using double dispatch stability: static cognitive_mode: advisory-guide type: knowledge tier: 3 triggers:

• manual platforms:
• claude-code
• gemini-cli
• cursor
• codex tools: [] paths:
• "**/*.ts"
• "tsconfig.json" related_skills:
• ts-discriminated-unions
• ts-generics-pattern stack_signals:
• typescript keywords:
• visitor
• double-dispatch
• AST-traversal
• open-closed-principle metadata: author: community upstream: refactoring.guru/design-patterns/visitor state: persistent: false files: [] depends_on: []