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9: Use Git as Your Safety Net
Git gives you a clear record of what Claude Code changed and makes unwanted changes much easier to reverse. Begin important tasks from a clean working tree so unrelated edits do not become mixed with AI-generated changes. Use a feature branch for larger work and make commits at meaningful checkpoints.
Review the diff instead of reviewing only the final application behavior. Pay special attention to changes involving dependencies, configuration, database migrations, security, public APIs, and generated files. If Claude Code chooses the wrong approach, you can discard or revert the changes instead of manually reconstructing the old code. This is a major practical advantage of AI-assisted development because the agent can make many consistent edits while Git preserves developer control. Never treat a successful Claude Code session as a substitute for normal source-control discipline.
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