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sync-arch-docs

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Sync architecture documentation with main branch changes. This skill should be used when the user wants to update docs/guide/architecture.md to reflect changes made on the main branch. It tracks the docs/arch branch against origin/main, analyzes new commits, and updates the architecture document accordingly.

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How to use this skill

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Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/documents/sync-arch-docs/SKILL.md

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Sync Architecture Docs

Overview

This skill synchronizes architecture documentation by tracking a dedicated docs/arch branch against origin/main. It identifies new commits, analyzes what changed, determines if the architecture document needs updates, and pushes the updated branch.

Workflow

Step 1: Fetch and Find Missing Commits

Fetch latest from origin and find commits that exist in origin/main but not in the docs branch:

git fetch origin
git log --oneline origin/docs/arch..origin/main

If no commits are found (docs/arch is up-to-date), report this and exit.

Step 2: Analyze Commit Changes

For each commit behind, examine the changes to understand their architectural impact:

# Get detailed diff for commits
git log --stat -p origin/docs/arch..origin/main

# Focus on key files that affect architecture
git diff origin/docs/arch..origin/main -- src/ Cargo.toml

Look for changes that affect:

  • Module structure (new/removed modules)
  • Public APIs (new types, traits, functions)
  • Dependencies (Cargo.toml changes)
  • Handler patterns
  • Request/response flow
  • Protocol handling
  • Code generation

Step 3: Read Current Architecture Doc

Read the existing architecture document:

cat docs/guide/architecture.md

Compare against the analyzed changes to identify gaps.

Step 4: Update Architecture Document

If updates are needed, edit docs/guide/architecture.md to reflect:

  • New modules or components
  • Changed APIs or patterns
  • Updated workflows or data flows
  • New design decisions

Keep the document concise and focused on architectural understanding.

Step 5: Merge Main into docs/arch

Bring in the latest changes from main:

git merge origin/main -m "chore: sync with main"

Step 6: Commit and Push

If architecture doc was updated:

git add docs/guide/architecture.md
git commit -m "docs: update architecture for recent changes"

Push the updated branch:

git push origin docs/arch

Checklist

  • Fetch origin and check for commits behind
  • Analyze commit changes for architectural impact
  • Read current architecture document
  • Update architecture document if needed
  • Merge main into docs/arch
  • Push docs/arch to origin