- Isolated git worktree per session (create, status, merge, discard) - Permission card: accept file-edit hunks individually; agent learns what was rejected - Reasoning effort per message; regenerate the last answer with another model/effort - Voice input via the Web Speech API - Folder-up button in the file browser; ssh, rsync and mc in the image Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>