Synced from monorepo

Synced from monorepo

Changes:
- include untracked files in HEAD→working git diff stats
- fix(textarea): Home/End jump to logical line when prompt is wrapped
- fix(sandbox): gate Linux-only hook write-deny code off macOS
- fix(pager): do not clobber worktree badge when opening the dashboard

Source-Revision: a61c32b12a2b400f212221cd8762e05f9b36828d