`e2e.sh check` compares every indexed fixture's manifest wall clock with
the `wall_clock` reported by /image/metadata, /memories and
/photos/gps-summary; any disagreement fails.
- Fixture videos are stamped like phone containers: the America/New_York
wall as a UTC creation_time (the label previously showed the UTC time).
- mtimes are pinned in America/New_York instead of the host's zone.
- The e2e env sets TZ=America/New_York (the #120 preflight): the Windows
exe has no /etc/timezone, so server_zone() was otherwise None.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
