Fix terminology: third person → passive voice

[FauxReal9999]

Summary

• Corrects terminology throughout the documentation: "third person" → "passive voice"
• The example "This skill should be used when..." is passive voice, not third person
• Third person would be "The developer uses this skill when..."

Files Changed

• CLAUDE.md - Skill compliance checklist
• CHANGELOG.md - Historical reference
• skills/create-agent-skills/ - SKILL.md, references, and workflows (7 files)

🤖 Generated with Claude Code

[kieranklaassen]

Thanks for the thoughtful PR! You're right that "third person" was imprecise terminology.

However, after checking the official Anthropic skill docs, neither "third person" nor "passive voice" is mandated. The official examples use direct/imperative style:

• "Explains code with visual diagrams and analogies. Use when..."
• "Deploy the application to production"
• "Research a topic thoroughly"

The spec just says: describe what it does and when to use it.

We'll update our docs to match the official spec rather than prescribing a specific voice. Thanks for flagging this inconsistency!