name: documentation-audit description: Use when documentation drift is detected. Comprehensively audits codebase and creates/updates Swagger, features docs, and general documentation to achieve full sync.

Documentation Audit

Overview

Comprehensive documentation sync when drift is detected. Analyzes codebase and creates or updates all documentation artifacts to achieve full synchronization.

Core principle: Documentation must reflect reality. This skill brings them into alignment.

Announce at start: "I'm using documentation-audit to synchronize all documentation with the current codebase."

When This Skill Triggers

This skill is invoked when:

The Audit Process

Phase 1: Discovery

echo "=== Documentation Audit: Discovery Phase ==="

# Find all documentation files
DOC_FILES=$(find . -name "*.md" -o -name "*.yaml" -o -name "*.json" | \
  grep -E "(doc|api|swagger|openapi|feature|guide|readme)" | \
  grep -v node_modules | grep -v .git)

echo "Found documentation files:"
echo "$DOC_FILES"

# Find API documentation
API_DOC=$(find . -name "openapi.yaml" -o -name "swagger.yaml" -o -name "openapi.json" | head -1)
echo "API Documentation: ${API_DOC:-MISSING}"

# Find features documentation
FEATURE_DOC=$(find . -name "features.md" -o -name "FEATURES.md" | head -1)
echo "Features Documentation: ${FEATURE_DOC:-MISSING}"

Phase 2: API Audit

If API endpoints exist:

echo "=== Documentation Audit: API Phase ==="

# Detect API framework
detect_api_framework() {
  if grep -r "express" package.json 2>/dev/null; then echo "express"; return; fi
  if grep -r "fastify" package.json 2>/dev/null; then echo "fastify"; return; fi
  if grep -r "@nestjs" package.json 2>/dev/null; then echo "nestjs"; return; fi
  if grep -r "fastapi" requirements.txt 2>/dev/null; then echo "fastapi"; return; fi
  if grep -r "flask" requirements.txt 2>/dev/null; then echo "flask"; return; fi
  if [ -f "go.mod" ]; then echo "go"; return; fi
  echo "unknown"
}

FRAMEWORK=$(detect_api_framework)
echo "Detected framework: $FRAMEWORK"

# Extract all endpoints from code
extract_endpoints() {
  case "$FRAMEWORK" in
    express|fastify)
      grep -rh "app\.\(get\|post\|put\|delete\|patch\)" --include="*.ts" --include="*.js" | \
        sed "s/.*app\.\([a-z]*\)('\([^']*\)'.*/\1 \2/"
      ;;
    nestjs)
      grep -rh "@\(Get\|Post\|Put\|Delete\|Patch\)" --include="*.ts" | \
        sed "s/.*@\([A-Za-z]*\)('\([^']*\)'.*/\1 \2/"
      ;;
    fastapi)
      grep -rh "@app\.\(get\|post\|put\|delete\|patch\)" --include="*.py" | \
        sed "s/.*@app\.\([a-z]*\)(\"\([^\"]*\)\".*/\1 \2/"
      ;;
    *)
      echo "Unknown framework - manual inspection required"
      ;;
  esac
}

ENDPOINTS=$(extract_endpoints)
echo "Found endpoints:"
echo "$ENDPOINTS"

Phase 3: Features Audit

echo "=== Documentation Audit: Features Phase ==="

# Find user-facing components
find_features() {
  # React components in pages/views
  find . -path "*/pages/*" -name "*.tsx" -o -path "*/views/*" -name "*.tsx" | \
    xargs -I {} basename {} .tsx 2>/dev/null

  # Feature flags
  grep -rh "featureFlag\|feature:" --include="*.ts" --include="*.tsx" | \
    sed "s/.*['\"]feature[':]\s*['\"]?\([^'\"]*\)['\"]?.*/\1/" 2>/dev/null

  # Config options exposed to users
  grep -rh "config\.\|settings\." --include="*.ts" | \
    grep -v "import\|require" | \
    sed "s/.*\(config\|settings\)\.\([a-zA-Z]*\).*/\2/" 2>/dev/null | sort -u
}

FEATURES=$(find_features)
echo "Discovered features:"
echo "$FEATURES"

Phase 4: Generate Missing Documentation

Create OpenAPI if Missing

# Template for new OpenAPI file
openapi: 3.0.3
info:
  title: [PROJECT_NAME] API
  description: |
    API documentation for [PROJECT_NAME].
    Generated by documentation-audit skill.
  version: 1.0.0
  contact:
    name: API Support
servers:
  - url: http://localhost:3000
    description: Development server
  - url: https://api.example.com
    description: Production server
paths:
  # Endpoints will be added here
components:
  schemas:
    Error:
      type: object
      properties:
        code:
          type: string
        message:
          type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

Create Features Doc if Missing

# Features

> Generated by documentation-audit skill. Update with accurate descriptions.

## Overview

[Brief description of the product]

## Core Features

### [Feature 1]

**Description:** [What it does]

**How to Use:**
1. [Step 1]
2. [Step 2]

---

## Additional Features

[List additional features discovered]

---

*Last updated: [DATE]*
*Note: This file was auto-generated. Review and enhance descriptions.*

Phase 5: Update Existing Documentation

For each discovered but undocumented item:

1. API Endpoints - Add to OpenAPI spec with:

   • Path and method
   • Parameters (from function signature)
   • Request body schema (from DTO/type)
   • Response schema (from return type)
   • Basic description

2. Features - Add to features doc with:

   • Feature name
   • Basic description
   • Placeholder for how-to-use
   • Note to review and enhance

Phase 6: Validation

echo "=== Documentation Audit: Validation Phase ==="

# Validate OpenAPI
if [ -f "openapi.yaml" ]; then
  yq '.' openapi.yaml > /dev/null 2>&1 && echo "OpenAPI: Valid YAML" || echo "OpenAPI: Invalid YAML"
fi

# Validate Markdown
for file in docs/*.md; do
  if [ -f "$file" ]; then
    # Check for required sections
    if ! grep -q "^## " "$file"; then
      echo "WARNING: $file missing section headers"
    fi
  fi
done

# Check completeness
ENDPOINTS_DOCUMENTED=$(yq '.paths | keys | length' openapi.yaml 2>/dev/null || echo 0)
ENDPOINTS_IN_CODE=$(extract_endpoints | wc -l)

echo "Endpoints in code: $ENDPOINTS_IN_CODE"
echo "Endpoints documented: $ENDPOINTS_DOCUMENTED"

if [ "$ENDPOINTS_DOCUMENTED" -lt "$ENDPOINTS_IN_CODE" ]; then
  echo "WARNING: Some endpoints still undocumented"
fi

Audit Report

Post audit results to GitHub issue:

## Documentation Audit Complete

**Audit Date:** [ISO_TIMESTAMP]
**Triggered By:** [api-documentation|features-documentation|manual]

### Summary

| Category | Before | After | Status |
|----------|--------|-------|--------|
| API Endpoints | [N] undocumented | [N] documented | [COMPLETE/PARTIAL] |
| Features | [N] undocumented | [N] documented | [COMPLETE/PARTIAL] |
| General Docs | [N] missing | [N] created | [COMPLETE/PARTIAL] |

### Files Created
- `openapi.yaml` - API documentation
- `docs/features.md` - Features documentation

### Files Updated
- `openapi.yaml` - Added [N] endpoints
- `docs/features.md` - Added [N] features

### Requires Manual Review
- [ ] Verify API response schemas
- [ ] Enhance feature descriptions
- [ ] Add usage examples
- [ ] Review security documentation

### Next Steps
1. Review generated documentation
2. Add detailed descriptions
3. Include examples
4. Validate with stakeholders

---
*documentation-audit skill completed*

Checklist

During audit:

• All documentation files discovered
• API framework detected
• All endpoints extracted from code
• All features extracted from code
• Missing documentation files created
• Existing documentation updated
• All files validated
• Audit report posted to issue
• Changes committed

Quality Standards

Generated documentation must meet:

Integration

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This skill uses: