Doc Frontmatter

Fix Documentation Frontmatter

Add or repair YAML frontmatter for documentation files.

Instructions

1. Read the target file

2. Check current frontmatter status:

   • No frontmatter: Generate complete frontmatter
   • Partial frontmatter: Add missing required fields
   • Invalid YAML: Fix syntax errors

3. Required fields (must all be present):

4. Derive values intelligently:

Title:

• Use explicit --title if provided
• Otherwise extract from first H1 in document
• Otherwise derive from filename: getting-started.md -> "Getting Started"

Category:

• Use explicit --category if provided
• Otherwise derive from directory:
  • docs/guides/ -> "Guides"
  • docs/api/ -> "API Reference"
  • docs/reference/ -> "Reference"
  • example/tutorials/ -> "Tutorials"

Tags:

• Use explicit --tags if provided (comma-separated)
• Otherwise analyze content for keywords
• Always include category as a tag (lowercase)
• Suggest 2-4 relevant tags

Order:

• Check sibling files in same directory
• Find highest existing order number
• Set to next available (highest + 1)
• Default to 1 if first file

5. Apply changes:
   • If no frontmatter exists, add at top of file
   • If frontmatter exists, merge new fields (don't overwrite existing valid fields)

Output Format

Show what was added/changed:

## Frontmatter Updated: docs/guides/new-doc.md

Added:
- title: "New Document"
- category: "Guides"
- tags: ["guide", "setup"]
- order: 3

Final frontmatter:
---
title: "New Document"
category: "Guides"
tags: ["guide", "setup"]
order: 3
---

Batch Mode

If path is a directory, process all .md files:

/doc-frontmatter docs/guides/

Reports summary:

Processed 5 files:
- 2 files updated
- 1 file already valid
- 2 files created frontmatter

Example Usage

/doc-frontmatter docs/new-doc.md                           # Auto-detect all
/doc-frontmatter docs/api/tool.md --category "API"         # Override category
/doc-frontmatter docs/guide.md --tags "beginner,setup"     # Specify tags
/doc-frontmatter docs/guides/                              # Batch process

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