docx/pdf/pptx/xlsx descriptions aren't third person; skill-creator is over 500 lines

Checked against your own skill authoring best practices (https://platform.claude.com/docs/en/agents-and-tools/agent-skills/best-practices):

• Description point of view: docx, pdf, pptx and xlsx descriptions start "Use this skill…". The guide asks for third person ("Processes Excel files…").
• skill-creator/SKILL.md is 503 lines (limit 500).
• No contents list (over 100 lines): pdf/REFERENCE.md (612), pdf/FORMS.md (294), skill-creator/references/schemas.md (514), skill-creator/agents/analyzer.md (274), grader.md (223), comparator.md (202).