일반적인 워크플로우

cd /path/to/project 

claude 

> give me an overview of this codebase 

> explain the main architecture patterns used here 

> what are the key data models?

> how is authentication handled?

> find the files that handle user authentication 

> how do these authentication files work together? 

> trace the login process from front-end to database 

> I'm seeing an error when I run npm test 

> suggest a few ways to fix the @ts-ignore in user.ts 

> update user.ts to add the null check you suggested 

> find deprecated API usage in our codebase 

> suggest how to refactor utils.js to use modern JavaScript features 

> refactor utils.js to use ES2024 features while maintaining the same behavior 

> run tests for the refactored code 

> find functions in NotificationsService.swift that are not covered by tests 

> add tests for the notification service 

> add test cases for edge conditions in the notification service 

> run the new tests and fix any failures 

> summarize the changes I've made to the authentication module 

> create a pr 

> enhance the PR description with more context about the security improvements 

> add information about how these changes were tested 

> find functions without proper JSDoc comments in the auth module 

> add JSDoc comments to the undocumented functions in auth.js 

> improve the generated documentation with more context and examples 

> check if the documentation follows our project standards 

> What does this image show?

> Describe the UI elements in this screenshot

> Are there any problematic elements in this diagram?

> Here's a screenshot of the error. What's causing it?

> This is our current database schema. How should we modify it for the new feature?

> Generate CSS to match this design mockup

> What HTML structure would recreate this component?

> I need to implement a new authentication system using OAuth2 for our API. Think deeply about the best approach for implementing this in our codebase. 

> think about potential security vulnerabilities in this approach 

> think harder about edge cases we should handle 

claude --continue

claude --continue --print "Continue with my task"

claude --resume

# 새 브랜치로 새 worktree 생성 
git worktree add ../project-feature-a -b feature-a

# 또는 기존 브랜치로 worktree 생성
git worktree add ../project-bugfix bugfix-123

# worktree로 이동 
cd ../project-feature-a

# 이 격리된 환경에서 Claude Code 실행
claude

cd ../project-bugfix
claude

# 모든 worktree 나열
git worktree list

# 완료되면 worktree 제거
git worktree remove ../project-feature-a

cat data.txt | claude -p 'summarize this data' --output-format text > summary.txt

cat code.py | claude -p 'analyze this code for bugs' --output-format json > analysis.json

cat log.txt | claude -p 'parse this log file for errors' --output-format stream-json

mkdir -p .claude/commands

echo "Analyze the performance of this code and suggest three specific optimizations:" > .claude/commands/optimize.md 

> /project:optimize 

echo "Find and fix issue #$ARGUMENTS. Follow these steps: 1.
Understand the issue described in the ticket 2. Locate the relevant code in
our codebase 3. Implement a solution that addresses the root cause 4. Add
appropriate tests 5. Prepare a concise PR description" >
.claude/commands/fix-issue.md 

> /project:fix-issue 123 

mkdir -p ~/.claude/commands 

echo "Review this code for security vulnerabilities, focusing on:" >
~/.claude/commands/security-review.md 

> /user:security-review