Harness-engineering gof-null-object

name: gof-null-object version: "1.0.0" description: Eliminate null checks by providing default no-op implementations of interfaces 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-type-guards
• ts-class-patterns stack_signals:
• typescript keywords:
• null-object
• null-checks
• default-implementation
• no-op metadata: author: community upstream: refactoring.guru/introduce-null-object state: persistent: false files: [] depends_on: []