From Claude Code v2.1.83 a new parameter was introduced: https://code.claude.com/docs/en/permission-modes#eliminate-prompts-with-auto-mode
Auto mode lets Claude execute without permission prompts. A separate classifier model reviews actions before they run, blocking anything that escalates beyond your request, targets unrecognized infrastructure, or appears driven by hostile content Claude read.
From Claude Code v2.1.83 a new parameter was introduced: https://code.claude.com/docs/en/permission-modes#eliminate-prompts-with-auto-mode