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A new proactive permission mode picks bypass or auto-accept mode based on context.
A new mode-resolution helper picks which permission mode to switch to based on context: from proactive it chooses bypassPermissions if available, otherwise auto or acceptEdits; from ask or default it prefers auto mode when available. This appears to back a new auto-accept/proactive option in permission settings.
Names in the bundleproactive
The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.
Confirmed since
Anthropic's documentation has since written up proactive, on Output styles.
| [Proactive](#proactive) | Claude starts work right away and makes reasonable assumptions rather than asking about routine decisions | You want Claude to keep working through routine decisions, and you'll correct course if an assumption i…output-styles see the edit
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agrees
Anthropic's documentation has since written up proactive, on Output styles.
Anthropic's release notes agree
Fixed Edit/Write/Read permission rules whose path contains parentheses being dropped as invalid or ignored by the Bash sandbox, which left…