review(skills): lang-haskell-library-dev

[aRustyDev]

Skill Review

Skill: lang-haskell-library-dev
Category: lang

Review Checklist

Structure

• SKILL.md exists and has valid frontmatter
• SKILL.md is under 500 lines (use progressive disclosure if needed)
• Has Overview section
• Has Quick Reference section
• Has Troubleshooting section

8 Pillars Coverage

• Module System (imports, exports, namespaces)
• Error Handling (Result, Option, exceptions)
• Concurrency (async, threads, actors)
• Metaprogramming (macros, decorators, reflection)
• Zero/Default Values (null, nil, None handling)
• Serialization (JSON, serde, codecs)
• Build/Dependencies (package managers, build tools)
• Testing (unit tests, property tests, frameworks)

Quality

• Description is action-oriented and under 200 chars
• Examples are included where helpful
• No time-sensitive information
• Consistent terminology throughout

Validation Command

just validate-skill components/skills/lang-haskell-library-dev
just validate-pillars lang-haskell-library-dev