Documentation Plan

Documentation Plan

Purpose

Design a comprehensive documentation architecture that maps content types to audiences, defines onboarding paths, and establishes maintenance schedules. Produces a documentation strategy that scales with the team and codebase.

Scope Constraints

Reads existing documentation, project structure, and team context to produce a documentation strategy. Does not create or modify actual documentation files or deploy documentation infrastructure.

Inputs

• Project type and scope (library, application, platform, API)
• Target audiences (developers, API consumers, end users, operators)
• Current documentation state (what exists, what's missing, what's stale)
• Team size and growth expectations

Input Sanitization

No user-provided values are used in commands or file paths. All inputs are treated as read-only analysis targets.

Procedure

Progress Checklist

• Step 1: Identify documentation audiences
• Step 2: Map documentation types needed
• Step 3: Define documentation structure
• Step 4: Specify format and location
• Step 5: Plan developer onboarding flow
• Step 6: Design documentation testing
• Step 7: Define maintenance schedule

Step 1: Identify Documentation Audiences

Map each audience and their needs:

• New developers: Getting started, local setup, architecture overview, "where is X?" answers
• Experienced team members: API reference, design decisions, runbooks, troubleshooting guides
• API consumers: Authentication, endpoint reference, rate limits, SDKs, changelog
• End users: Feature guides, FAQs, tutorials, release notes
• Operators/SREs: Deployment procedures, monitoring runbooks, incident response, infrastructure docs
• For each audience, define their entry point, primary tasks, and information needs

Step 2: Map Documentation Types Needed

Catalog required documentation:

• Getting started: Quick start, prerequisites, installation, "hello world" in under 5 minutes
• API reference: Endpoint docs, type definitions, error codes, authentication
• Architecture overview: System diagram, component responsibilities, data flow, key decisions
• Runbooks: Operational procedures, incident response, common troubleshooting steps
• User guides: Feature walkthroughs, best practices, common patterns
• Tutorials: Step-by-step learning paths, progressive complexity, working examples

Step 3: Define Documentation Structure

Apply the Diataxis framework:

• Tutorials: Learning-oriented — guided lessons that teach through doing
• How-to guides: Task-oriented — steps to achieve a specific goal
• Explanation: Understanding-oriented — background, context, design rationale
• Reference: Information-oriented — accurate, complete technical descriptions
• Map each existing and planned document to its Diataxis category, identify gaps

Step 4: Specify Format and Location

Define where each doc type lives:

• In-repo markdown: Architecture docs, ADRs, contributing guides (versioned with code)
• Generated API docs: Auto-generated from code/types (OpenAPI, TypeDoc, Storybook)
• Wiki/knowledge base: Runbooks, onboarding guides, team processes (frequently updated)
• Inline code docs: JSDoc/TSDoc for public APIs, README per module/package
• Establish naming conventions, directory structure, and linking strategy

Step 5: Plan Developer Onboarding Flow

Design progressive onboarding:

• Day 1: Environment setup, run the app locally, make a trivial change, deploy to dev
• Week 1: Architecture overview, codebase tour, key abstractions, first real task
• Month 1: Deep-dive into owned area, understand cross-cutting concerns, contribute to docs
• Include checkpoints, mentorship touchpoints, and feedback collection
• Create an onboarding checklist that tracks progress

Step 6: Design Documentation Testing

Ensure documentation stays accurate:

• Link checking: Automated broken link detection in CI
• Code sample validation: Test that code examples compile/run (extract and execute in CI)
• Freshness reviews: Flag docs not updated in N months, assign review owners
• Screenshot/diagram validation: Process for updating visual assets when UI changes
• Feedback mechanism: Easy way for readers to report issues ("Was this helpful?" + issue link)

Step 7: Define Maintenance Schedule

Establish ongoing documentation health:

• Review cadence: Quarterly full review, monthly spot-checks on high-traffic docs
• Ownership per section: Every doc section has an owner responsible for accuracy
• Staleness detection: Automated alerts when docs haven't been updated alongside related code changes
• Deprecation process: How to mark docs as outdated, redirect to replacements, eventually remove
• Contribution guidelines: How to write docs, style guide, review process for doc PRs

Compaction resilience: If context was lost during a long session, re-read the Inputs section to reconstruct what system is being analyzed, check the Progress Checklist for completed steps, then resume from the earliest incomplete step.

Output Format

# Documentation Plan: [Project Name]

## Documentation Map

| Doc Type | Audience | Format | Location | Owner | Status |
|----------|----------|--------|----------|-------|--------|
| Getting Started | New devs | Markdown | /docs/getting-started.md | [team] | [exists/needed/stale] |
| API Reference | API consumers | Generated | /docs/api/ | [team] | ... |
| Architecture | All devs | Markdown + diagrams | /docs/architecture/ | [team] | ... |
| Runbooks | Operators | Wiki | [wiki URL] | [team] | ... |
| ... | ... | ... | ... | ... | ... |

## Diataxis Mapping

| Category | Documents | Gap Analysis |
|----------|-----------|--------------|
| Tutorials | [list] | [what's missing] |
| How-to Guides | [list] | [what's missing] |
| Explanation | [list] | [what's missing] |
| Reference | [list] | [what's missing] |

## Onboarding Path

Day 1: [Setup] → [Run app] → [Trivial change] → [Deploy to dev] ↓ Week 1: [Architecture tour] → [Codebase walkthrough] → [First task] ↓ Month 1: [Deep-dive] → [Cross-cutting concerns] → [Doc contribution]

## Maintenance Schedule

| Cadence | Activity | Owner | Automation |
|---------|----------|-------|------------|
| Per PR | Link checking | CI | Automated |
| Monthly | High-traffic doc review | Rotating | Reminder |
| Quarterly | Full doc audit | Tech lead | Staleness report |

## Ownership Matrix

| Section | Primary Owner | Backup | Last Review |
|---------|--------------|--------|-------------|
| Getting Started | [name] | [name] | [date] |
| API Reference | [name] | [name] | [date] |
| ... | ... | ... | ... |

Handoff

• Hand off to adr-template if the documentation plan reveals architectural decisions that need formal recording.
• Hand off to changelog-design if the documentation audit uncovers version upgrade communication gaps or missing migration guides.

Quality Checks

• All target audiences are identified with their specific documentation needs
• Documentation types are mapped to the Diataxis framework with gap analysis
• Format and location are specified for each doc type (in-repo, generated, wiki)
• Developer onboarding path covers day 1, week 1, and month 1 milestones
• Documentation testing includes link checking and code sample validation
• Maintenance schedule defines review cadence and staleness detection
• Every documentation section has an assigned owner
• Contribution guidelines exist for writing and reviewing documentation

Evolution Notes

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