---
title: "Document Title"
description: "Brief description of the document purpose"
author: "Author name or team"
created: "YYYY-MM-DD"
updated: "YYYY-MM-DD"
version: "1.0.0"
status: "draft | review | published"
---

Optional fields (include when relevant):

---
tags: ["api", "authentication", "guide"]
category: "architecture | guide | api | runbook | adr | spec"
aliases: ["alt-name", "short-name"]
related:
  - "./other-doc.md"
  - "./related-topic.md"
refs:
  - https://example.com/external-reference
  - https://example.com/related-spec
audience: ["backend-team", "frontend-team", "external-developers"]
---

Set created and updated to today's date. Start with status: "draft" and version: "1.0.0". Populate tags, category, and related based on the document content. Use aliases for alternative names people might search for. Use refs for external links that informed the document.

Document Structure

---
(frontmatter)
---

# Document Title

> Brief summary or purpose statement.

## Table of Contents (when 3+ sections)

---

## Sections…

---

## Additional Resources

- [Link](URL)

H1 heading MUST match the frontmatter title.

Diagrams - Mermaid Only

All diagrams MUST use Mermaid syntax. Never use ASCII art or text-based diagrams.

Common diagram types (not exhaustive — use any valid Mermaid type):

flowchart TD or flowchart LR — flows and processes
sequenceDiagram — interactions between components
stateDiagram-v2 — state machines
erDiagram — entity relationships
classDiagram — class structures
gantt — timelines and schedules
pie — pie charts
mindmap — mind maps
gitGraph — git branch visualization
architecture-beta — system architecture

Always wrap in a fenced code block with mermaid language identifier. Never use literal \n inside Mermaid text. For flowchart/mindmap markdown strings, use an actual newline. For inline breaks in Mermaid text that supports them, such as sequence diagram messages, notes, and actor aliases, use <br/>.

Formatting & Lint Rules

A PostToolUse hook enforces markdownlint automatically after every Write/Edit — fix reported violations immediately. Do NOT run markdownlint, markdownlint-cli2, or npx lint commands manually — the hook handles all validation. If your project has a custom .markdownlint.json (or .jsonc, .yaml, .yml), the hook uses it automatically.

Line length: 120 chars max. Code blocks and tables are exempt. Break long prose into multiple lines.

No inline HTML — use markdown equivalents only.

Headings: ATX style (#), max 4 levels, no trailing punctuation.

Code blocks: fenced with backticks, always specify language: typescript, javascript, json, bash, yaml, markdown, mermaid, python, go, sql, tsx, css, html, etc.

Lists: - for unordered, 1. for ordered, 2-space indent for nesting.

Tables: single space padding, minimal dashes — do not pad columns to equal width:

| Name | Type | Description |
| --- | --- | --- |
| id | string | Unique identifier |
| status | enum | draft, review, published |

Links: reference-style for repeated URLs, inline for single-use, bare URLs in <angle brackets>.

File naming: lowercase with hyphens (integration-guide.md), no spaces or underscores.

Cross-Referencing

After deciding the document's title, tags, and category — but before writing the body — check for related docs and maintain bidirectional links.

Search — Grep **/*.md for 2-3 key terms from the document's title or tags. One Grep call, not per-file reads. Also check files in the same directory.
Read candidates only — Read frontmatter of the few files that matched. Confirm genuine overlap: shared topic, dependency, or parent/child relationship. Be selective — most files won't qualify.
Link both ways — Add relative paths to related in the current file and in each matched file. Touch nothing else in matched files — only append to related and bump updated.

Rules: relative paths only, never duplicate or remove existing related entries, add the related field to frontmatter if it doesn't exist yet.

Task

Write the markdown document for: $ARGUMENTS

md-writer

MD Writer Skill

YAML Frontmatter

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