In the Explore → Plan → Implement → Commit workflow, what is the primary purpose of the 'Plan' phase?
Claude Code's Edit tool performs exact string replacements, and the old_string must exist exactly in the file and must be unique.
What are the three permission modes in Claude Code, in the order you cycle through them using Shift+Tab?
When debugging with Claude Code, if you've corrected Claude twice and it's still not right, you should immediately use /clear and restart with a clearer prompt.
In the TDD debugging loop, what is the correct sequence of steps?
When refactoring with Claude Code, you should always refactor all files at once before running any tests to save time.
What is the recommended approach when renaming a public API to avoid breaking external code?
What does Claude analyze when generating test scaffolding that matches existing patterns?
In AI-assisted development, tests serve as specification and provide objective, automated feedback to validate Claude's changes.
What is the primary benefit of Claude Code's 'Write Once, Read Many' principle?