Harness-engineering gof-singleton

name: gof-singleton version: "1.0.0" description: Ensure a class has exactly one instance using module-level singletons and WeakRef patterns 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-class-patterns
• ts-module-patterns stack_signals:
• typescript keywords:
• singleton
• single-instance
• module-singleton
• WeakRef
• lazy-initialization metadata: author: community upstream: refactoring.guru/design-patterns/singleton state: persistent: false files: [] depends_on: []